Gear Pumps and Motors Technical Catalog. Series 26 Pumps Series 26 Motors Series L2 Pumps
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- Rudolph Andrew Garrett
- 6 years ago
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1 Gear Pumps and Motors Technical Catalog Series 26 Pumps Series 26 Motors Series L2 Pumps
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4 Table of Contents Series 26 Pumps Features...5 General Specifications and Performance Data...7 Performance Data Charts...5 Standard Catalog Assemblies - Dimensions...11 Order Numbers...12 Optional Configurations...14 Component Parts - Dimensions...15 Model Code - Single...18 Model Code - Multiple...19 Side-Load Applications...21 Load Sensing Priority Valve...23 Series 26 Motors General Specifications...24 Performance Data...25 Model Code - Single...26 Series L2 Pumps General Specifications and Performance Data...27 Performance Data Charts...28 Standard Catalog Assemblies - Dimensions...3 Order Numbers...31 Optional Configurations...33 Component Parts - Dimensions...34 Model Code - Single...37 Model Code - Multiple
5 Features Pressures to 35 PSI and flow to 24.1 GPM Quiet Operation The 13-tooth gears, versus 1 teeth in previous pumps, minimizes the flow ripple. This reduces noise as well as vibration. The improved trap reliefs not only increase power, they also help keep oil flowing smoothly to reduce noise. Improved Efficiency Improved bearing lubrication system uses inlet oil instead of high pressure oil, improving volumetric efficiency for more power output. The highly polished shaft and gears improve mechanical efficiency and reduce wear on these components, adding to the service life and reliability of the pump. The optimized trapped oil relief areas help reduce pressure ripple for quieter operation. This also decreases the input power requirements. Field Reversible The innovative new wear plate permits simple field reversibility of the pump direction. Simply open the pump, switch the drive gear and idler gear, reposition the plug and reassemble. No extra parts are needed. Interchangeability The Series 26 Gear Pump has been designed to retrofit equipment using the B1 and B2 Gear Pumps. Extra shafts, porting, and mounting configurations, as well as 13 available displacements, give you the choices you need for an easy conversion to this superior pump. 5
6 General Specifications and Performance Data Rotation Field Reversible Mounting Flange SAE A 2 Bolt Max. Continuous Pressure 21 bar [3 PSI]* Max. Intermittent Pressure 24 bar [35 PSI]** Minimum Speed at Continuous Pressure 75 RPM Maximum Rotating Torque at Pressure 4 Nm [36 lb-in] Maximum Continuous Operating Temperature 15 C [22 F] Minimum Continuous Oil Viscocity 5.7 cst [45 SUS] Minimum Operating Temperature -29 C [-2 F] Maximum Inlet Vacuum at Operating Condition,8 bar Abs. [11.6 psi Abs.] Continuous - pump may be run continuously at these ratings. Intermittent - intermittent operation, 1% of every minute. * 3.6 cm 3 /rev. [1.87 in 3 /rev.] displacement max. continuous pressure is 19 bar [275 PSI]. ** 3.6 cm 3 /rev. [1.87 in 3 /rev.] displacement max. intermittent pressure is 224 bar [325 PSI]. For side load limits consult your Eaton representative. Displacement cm 3 /r [in 3 /r] 6,6 8,2 9,5 1,8 13,8 16,7 19,7 [.4] [.5] [.58] [.66] [.84] [1.2] [1.2] Max. Intermittent Pressure bar [PSI] [35] [35] [35] [35] [35] [35] [35] Rated Speed (RPM) Minimum Output Flow at 27 bar [3 PSI] 2,1 25, 29,5 33,7 43,5 55,3 57,9 and Rated Speed LPM [GPM] [5.3] [6.6] [7.8] [8.9] [11.5] [14.6] [15.3] Input Power at 27 bar [3 PSI] and 9,7 11,9 14,1 15,5 2, 22, 26,2 Rated Speed and Cont. Pressure kw [HP] [13.] [15.9] [18.9] [2.8] [26.8] [29,4] [35.2] Displacement cm 3 /r [in 3 /r] 22,5 24,3 25,2 27,7 29, 3,6 [1.37] [1.48] [1.54] [1.69] [1.77] [1.87] Max. Intermittent Pressure bar [PSI] [35] [35] [35] [35] [34] [325] Rated Speed (RPM) Minimum Output Flow at 27 bar [3 PSI] 62,1 67, 69,7 76,5 79,9 84,4 and Rated Speed LPM [GPM] [16.4] [17.7] [18.4] [2.2] [21.1] [22.3] Input Power at 27 bar [3 PSI] and 27,3 3,5 31, 33,4 35,4 37,4 Rated Speed and Cont. Pressure kw [HP] [36.6] [4.9] [41.6] [44.8] [47.4] [5.1] The performance data in the table above and the following graphs was collected using a mineral base oil with a viscosity of 133 SUS at 49 C [12 F]. Ordering Information Catalog Assemblies Cross Reference Standard catalog assemblies are built from high production parts and are the most economical pump assemblies available in this series. The standard assembly order number is a preassigned part number and may be used to order the specific standard assembly (see pages 1 13). The far right column lists the B1 or B2 pump replaced by the Series 26 pump. 6
7 Performance Data Charts 7 6,56 19,68 cm 3 /rev [ in 3 /rev] 13 [17] 6,56 cm 3 /rev [.4 in 3 /rev] 12 [16] Flow in L/min. 138 bar [2 PSI] [15] [1] [5] 19,7 [1.2] 16,7 [1.2] 13,8 [.84] 1,8 [.66] 9.5 [.58] 8,2 [.5 ] 6,6 [.41] Input kw [HP] 11 [15] 1 [13] 9 [12] 8 [11] 7 [9] 6 [8] 5 [7] 4 [5] 3 [4] 2 [3] 27 Bar [3 PSI] 172 Bar [25 PSI] 138 Bar [2 PSI] 14 Bar [15 PSI] 69 Bar [1 PSI] 35 Bar [5 PSI] 1 [1.3] [] [17] 8,2 cm 3 /rev [.5 in 3 /rev] 26 [35] 9,51 cm 3 /rev [.58 in 3 /rev 12 [16] 24 [32] Input kw [HP] 11 [15] 1 [13] 9 [12] 8 [11] 7 [9] 6 [8] 5 [7] 4 [5] 3 [4] 2 [3] 1 [1.3] 27 Bar [3 PSI] 172 Bar [25 PSI] 138 Bar [2 PSI] 14 Bar [15 PSI] 69 Bar [1 PSI] 35 Bar [5 PSI] Input kw [HP] 22 [29.5] 2 [27] 18 [24] 16 [21.5] 14 [19] 12 [16] 1 [13] 8 [11] 6 [8] 4 [5] 2 [3] 27 Bar [3 PSI] 172 Bar [25 PSI] 138 Bar [2 PSI] 14 Bar [15 PSI] 69 Bar [1 PSI] 35 Bar [5 PSI]
8 Performance Data Charts 26 [35] 1,82 cm 3 /rev [.66 in 3 /rev] 26 [35] 13,78 cm 3 /rev [.84 in 3 /rev] 24 [32] 24 [32] 22 [29.5] 22 [29.5] 2 [27] 2 [27] Input kw [HP] 18 [24] 16 [21.5] 14 [19] 12 [16] 1 [13] 8 [11] 6 [8] 4 [5] 2 [3] Bar[5 27 Bar [3 172 Bar [25 [15 Bar Bar[1 PSI] PSI] PSI] PSI] 138 Bar [2 PSI] PSI] Input kw [HP] 18 [24] 16 [21.5] 14 [19] 12 [16] 1 [13] 8 [11] 6 [8] 4 [5] 2 [3] 7 Bar [3 PSI PSI 2 ] 72 Bar [25 1 ] 8 Bar [2 PSI 1 3 ] 184 Bar [15 ] PSI ] 69 Bar[1 SI 35 Bar [5P ] [37.5] 16,73 cm 3 /rev [1.2 in 3 /rev] 28 [37.5] 19,68 cm 3 /rev [1.2 in 3 /rev] 26 [35] 26 [35] Input kw [HP] 24 [32] 22 [29.5] 2 [27] 18 [24] 16 [21.5] 14 [19] 12 [16] 1 [13] 8 [11] 6 [5] 4 [4] 2 [3] Bar 27 ] Bar 38 Bar 1 ] Bar [3 PSI [25 PSI [2 PSI 172 ] [15 PSI 14 ] Bar [1PSI 69 ] 5 Bar [5PSI 3 ] Input kw [HP] 24 [32] 22 [29.5] 2 [27] 18 [24] 16 [21.5] 14 [19] 12 [16] 1 [13] 8 [11] 6 [5] 4 [4] 2 [3] 27 Bar [3 PSI] PS 172 Bar [25 PSI] 38 Bar [2 SI 1I] SI ] 14 Bar [15 P ] 69 Bar [1P PSI ] 35 Bar [
9 Performance Data Charts Flow in L/min. 138 bar [2 PSSI] ,47 3,67 cm 3 /rev [ in 3 /rev] [2] [15] [1] [5] 3,6 [1.87] 29, [1.77] 27,7 [1.69] 25,2 [1.54] 24,3 [1.48] 22,5 [1.37] Input kw [HP] 28 [37.5] 26 [35] 24 [32] 22 [29.5] 2 [27] 18 [24] 16 [21] 14 [19] 12 [16] 1 [13] 8 [11] 6 [5] 4 [4] 22,47 cm 3 /rev [1.37 in 3 /rev] 27 Bar [3 PSI] 172 Bar [25 PSI] 138 Bar [2 PSI] 14 Bar [15 PSI] 69 Bar [1 PSI] 35 Bar [5 PSI] 1 2 [2.7] 32 [43] 3 [4] 28 [37.5] 26 [35] [] ,27 cm 3 /rev [1.48 in 3 /rev] ,56 cm 3 /rev [1.54 in 3 /rev] 32,84 [44] 29,84 [4] 26,86 [36] Input kw [HP] 24 [32] 22 [29.5] 2 [27] 18 [24] 16 [21] 14 [19] 12 [16] 1 [13] 8 [11] 6 [5] 4 [4] 2 [3] 27 Bar [3 PSI] 172 Bar [25 PSI] 138 Bar [2 PSI] 14 Bar [15 PSI] 69 Bar [1 PSI] 35 Bar [5 PSI] Input kw [HP] 23,87 [32] 2,89 [28] 17,9 [24] 14,92 [2] 11,94 [16] 8,95 [12] 5,97 [8] 2,98 [4] 27 Bar [3 PSI] 172 Bar [25 PSI] 138 Bar [2 PSI] 14 Bar [15 PSI] 69 Bar [1 PSI] 35 Bar [5 PSI]
10 Performance Data Charts 4 [54] 27,72 cm 3 /rev [1.69 in 3 /rev] 29,3 cm 3 /rev [1.77 in 3 /rev] 3,67 cm 3 /rev [1.87 in 3 /rev] 4 [54] 4 [54] 38 [51] 38 [51] 38 [51] 36 [48] 36 [48] 36 [48] Input kw [HP] 34 [45.5] 32 [43] 3 [4] 28 [37.5] 26 [35] 24 [32] 22 [29.5] 2 [27] 18 [24] 16 [21] 14 [19] 12 [16] 1 [13] 8 [11] 6 [5] 4 [4] 27 bar [3 PSI] 172 Bar [25 PSI] 138 Bar [2 PSI] 14 Bar [15 PSI] 69 Bar [1 PSI] 35 Bar [5 PSI] Input kw [HP] 34 [45.5] 32 [43] 3 [4] 28 [37.5] 26 [35] 24 [32] 22 [29.5] 2 [27] 18 [24] 16 [21] 14 [19] 12 [16] 1 [13] 8 [11] 6 [5] 4 [4] 27 bar [3 PSI] 172 Bar [25 PSI] 138 Bar [2 PSI] 14 Bar [15 PSI] 69 Bar [1 PSI] 35 Bar [5 PSI] Input kw [HP] 34 [45.5] 32 [43] 3 [4] 28 [37.5] 26 [35] 24 [32] 22 [29.5] 2 [27] 18 [24] 16 [21] 14 [19] 12 [16] 1 [13] 8 [11] 6 [5] 4 [4] 27 bar [3 PSI] 172 Bar [25 PSI] 138 Bar [2 PSI] 14 Bar [15 PSI] 69 Bar [1 PSI] 35 Bar [5 PSI] 2 [3] 2 [3] 2 [3]
11 Standard Catalog Assemblies - Dimensions All dimensions are in mm [in]. * Multiple pump input torque limitations: the total torque for multiple pump displacements and pressure combinations cannot exceed the maximum input torque rating of the shaft. The proper formula is Pressure times Displacement divided by [1.2] C L 21.1 [.83] 15. [.59] 6.4 [.25] 13. [5.12] 16.4 [4.19] 18 [.71] Suction Port Side Porting Suction Port Rear Porting 46.2 [1.82] Left Hand Rotation Shown 92.5 [3.64] Driveshaft Centerline 18 [.71] Pressure Port Rear Porting Pressure Port Side Porting 2X Dim A Dim B See Shaft Drawing Dia ±.3 [3.249±.1] 2X Dia ±.13 [.455±.5] C L 47.6 [1.88] 83.3 [3.28] MODEL Displacement (cm 3 /r [in 3 /r]) 6.6 [.4] 8.2 [.5] 9.5 [.58] 1.8 [.66] 13.8 [.84] 16.7 [1.2] 19.7 [1.2] Dimension A (mm [in]) 72.6 [2.86] 74.3 [2.93] 75.9 [2.99] 77.5 [3.5] 8.7 [3.18] 83.9 [3.3] 87.1 [3.43] Dimension B (mm [in]) 93.2 [3.67] 94.9 [3.74] 96.5 [3.8] 98.1 [3.86] 11.3 [3.99] 14.5 [4.11] 17.7 [4.24] MODEL Displacement (cm 3 /r [in 3 /r]) 22.5 [1.37] 24.3 [1.48] 25.2 [1.54] 27.7 [1.69] 29. [1.77] 3.6 [1.87] Dimension A (mm [in]) 9.3 [3.56] 92.7 [3.65] 93.5 [3.68] 96.7 [3.81] 98.6 [3.88] 99.9 [3.93] Dimension B (mm [in]) 11.9 [4.37] [4.46] [4.49] [4.62] [4.69] 12.5 [4.74] 5/8 Inch 9 Tooth Spline Maximum Input Torque 62 Nm [55 lb-in] 3/4 Inch 11 Tooth Spline Maximum Input Torque 119 Nm [15 lb-in] 3/4 Inch Straight Key Maximum Input Torque 113 Nm [1 lb-in] 5/8 Inch Straight Key Maximum Input Torque 56 Nm [5 lb-in] 31.8 [1.25] 31.7 [1.25] 31.7 [1.25] Key 4.8 [.19] 4.724±.38 [.186±.15] 31.8 [1.25] 23.9 [.94] 17.4 [.68] 4.8 [.19] Key 3.94±.3 [.155±.1] 9 Tooth 16/32 DP 3 Involute Flat Root Class 1 Side Fit Spline SAE J498b 22.4 [.88] Min Full Spline 11 Tooth 16/32 DP 3 Involute Flat Root Class 1 Side Fit Spline SAE J498b 22.2 [.88] Full Depth 21.1±.1 [.827±.4] Dia ±.3 [.7499±.1] 17.6±.13 [.693±.5] Dia ±.3 [.624±.1] 11
12 Order Numbers * 5/8 9 T Spline has a maximum allowable input torque of 62 Nm [55 lb-in]. ** 5/8 Keyed shaft has a maximum allowable input torque of 56 Nm [5 lb-in]. RIGHT HAND LEFT HAND SAE O-RING SAE O-RING ROTATION ROTATION PORT PRESSURE SUCTION PRODUCT NO PRODUCT NO SHAFT LOCATION PORT SIZE PORT SIZE REPLACES Model 261 6,6 cm 3 /r [.4 in 3 /r] Displacement 261-RZG 261-LZG 5/8 Keyed Side 7/8-14 UNF-2B 1-1/16-12 UN-2B 243-RZA/LZA 261-RZH 261-LZH 5/8 Keyed Rear 7/8-14 UNF-2B 1-1/16-12 UN-2B 243-RZC/LZD 261-RZJ 261-LZJ 5/8 9 T Spline Side 7/8-14 UNF-2B 1-1/16-12 UN-2B 243-RZB/LZA 261-RZK 261-LZK 5/8 9 T Spline Rear 7/8-14 UNF-2B 1-1/16-12 UN-2B 243-RZD/LZE Model 262 8,2 cm 3 /r [.5 in 3 /r] Displacement 262-RZA 262-LZA 3/4 11T Spline Side 7/8-14 UNF-2B 1-5/16-12 UN-2B 253-RSA/LSA 262-RZB 262-LZB 3/4 11T Spline Rear 7/8-14 UNF-2B 1-5/16-12 UN-2B 253-RSB/LSB 262-RZC 262-LZC 3/4 Keyed Side 7/8-14 UNF-2B 1-5/16-12 UN-2B 253-RSC/LSC 262-RZD 262-LZD 3/4 Keyed Rear 7/8-14 UNF-2B 1-5/16-12 UN-2B 253-RSD/LSD 262-RZE 262-LZE 5/8 9 T Spline Side 7/8-14 UNF-2B 1-5/16-12 UN-2B 253-RSE/LSE 262-RZF 262-LZF 5/8 9 T Spline Rear 7/8-14 UNF-2B 1-5/16-12 UN-2B 253-RSF/LSF 262-RZG 262-LZG 5/8 Keyed Side 7/8-14 UNF-2B 1-1/16-12 UN-2B 2431-RZC/LZA 262-RZH 262-LZH 5/8 Keyed Rear 7/8-14 UNF-2B 1-1/16-12 UN-2B 2431-RZG/LZG 262-RZJ 262-LZJ 5/8 9 T Spline Side 7/8-14 UNF-2B 1-1/16-12 UN-2B 2431-RZD/LZB 262-RZK 262-LZK 5/8 9 T Spline Rear 7/8-14 UNF-2B 1-1/16-12 UN-2B 2431-RZH/LZH Model 263 9,5 cm 3 /r [.58 in 3 /r] Displacement 263-RZG 263-LZG 5/8 Keyed Side 7/8-14 UNF-2B 1-1/16-12 UN-2B 2432-RZB/LZB 263-RZH 263-LZH 5/8 Keyed Rear 7/8-14 UNF-2B 1-1/16-12 UN-2B 2432-RZC/LZD 263-RZJ 263-LZJ 5/8 9 T Spline Side 7/8-14 UNF-2B 1-1/16-12 UN-2B 2432-RZA/LZA 263-RZK 263-LZK 5/8 9 T Spline Rear 7/8-14 UNF-2B 1-1/16-12 UN-2B 2432-RZD/LZE Model 264 1,8 cm 3 /r [.66 in 3 /r] Displacement 264-RZA 264-LZA 3/4 11T Spline Side 7/8-14 UNF-2B 1-5/16-12 UN-2B 2531-RSA/LSA 264-RZB 264-LZB 3/4 11T Spline Rear 7/8-14 UNF-2B 1-5/16-12 UN-2B 2531-RSB/LSB 264-RZC 264-LZC 3/4 Keyed Side 7/8-14 UNF-2B 1-5/16-12 UN-2B 2531-RSC/LSC 264-RZD 264-LZD 3/4 Keyed Rear 7/8-14 UNF-2B 1-5/16-12 UN-2B 2531-RSD/LSD 264-RZE 264-LZE 5/8 9 T Spline Side 7/8-14 UNF-2B 1-5/16-12 UN-2B 2531-RSE/LSE 264-RZF 264-LZF 5/8 9 T Spline Rear 7/8-14 UNF-2B 1-5/16-12 UN-2B 2531-RSF/LSF 264-RZG 264-LZG 5/8 Keyed Side 7/8-14 UNF-2B 1-1/16-12 UN-2B 2433-RZB/LZB 264-RZH 264-LZH 5/8 Keyed Rear 7/8-14 UNF-2B 1-1/16-12 UN-2B 2433-RZE/LZF 264-RZJ 264-LZJ 5/8 9 T Spline Side 7/8-14 UNF-2B 1-1/16-12 UN-2B 2433-RZD/LZA 264-RZK 264-LZK 5/8 9 T Spline Rear 7/8-14 UNF-2B 1-1/16-12 UN-2B 2433-RZF/LZG Model ,8 cm 3 /r [.84 in 3 /r] Displacement 265-RZA 265-LZA 3/4 11T Spline Side 7/8-14 UNF-2B 1-5/16-12 UN-2B 2532-RSA/LSA 265-RZB 265-LZB 3/4 11T Spline Rear 7/8-14 UNF-2B 1-5/16-12 UN-2B 2532-RSB/LSB 265-RZC 265-LZC 3/4 Keyed Side 7/8-14 UNF-2B 1-5/16-12 UN-2B 2532-RSC/LSC 265-RZD 265-LZD 3/4 Keyed Rear 7/8-14 UNF-2B 1-5/16-12 UN-2B 2532-RSD/LSD 265-RZE 265-LZE 5/8 9 T Spline Side 7/8-14 UNF-2B 1-5/16-12 UN-2B 2532-RSE/LSE 265-RZF 265-LZF 5/8 9 T Spline Rear 7/8-14 UNF-2B 1-5/16-12 UN-2B 2532-RSF/LSF 265-RZG 265-LZG 5/8 Keyed Side 7/8-14 UNF-2B 1-1/16-12 UN-2B 2434-RZC/LZA 265-RZH 265-LZH 5/8 Keyed Rear 7/8-14 UNF-2B 1-1/16-12 UN-2B 2434-RZG/LZF 265-RZJ 265-LZJ 5/8 9 T Spline Side 7/8-14 UNF-2B 1-1/16-12 UN-2B 2434-RZD/LZB 265-RZK 265-LZK 5/8 9 T Spline Rear 7/8-14 UNF-2B 1-1/16-12 UN-2B 2434-RZH/LZG Model ,7 cm 3 /r [1.2 in 3 /r] Displacement 266-RZA 266-LZA 3/4 11T Spline Side 7/8-14 UNF-2B 1-5/16-12 UN-2B 2533-RSA/LSA 266-RZB 266-LZB 3/4 11T Spline Rear 7/8-14 UNF-2B 1-5/16-12 UN-2B 2533-RSB/LSB 266-RZC 266-LZC 3/4 Keyed Side 7/8-14 UNF-2B 1-5/16-12 UN-2B 2533-RSC/LSC 266-RZD 266-LZD 3/4 Keyed Rear 7/8-14 UNF-2B 1-5/16-12 UN-2B 2533-RSD/LSD 266-RZE 266-LZE 5/8 9 T Spline Side 7/8-14 UNF-2B 1-5/16-12 UN-2B 2533-RSE/LSE 266-RZF 266-LZF 5/8 9 T Spline Rear 7/8-14 UNF-2B 1-5/16-12 UN-2B 2533-RSF/LSF 266-RZG 266-LZG 5/8 Keyed Side 7/8-14 UNF-2B 1-1/16-12 UN-2B 2435-RZC/LZA 266-RZH 266-LZH 5/8 Keyed Rear 7/8-14 UNF-2B 1-1/16-12 UN-2B 2435-RZG/-LZF 266-RZJ 266-LZJ 5/8 9 T Spline Side 7/8-14 UNF-2B 1-1/16-12 UN-2B 2435-RZD/LZB 266-RZK 266-LZK 5/8 9 T Spline Rear 7/8-14 UNF-2B 1-1/16-12 UN-2B 2435-RZH/LZG 12
13 Order Numbers * 5/8 9 T Spline has a maximum allowable input torque of 62 Nm [55 lb-in]. ** 5/8 Keyed shaft has a maximum allowable input torque of 56 Nm [5 lb-in]. RIGHT HAND LEFT HAND SAE O-RING SAE O-RING ROTATION ROTATION PORT PRESSURE SUCTION PRODUCT NO PRODUCT NO SHAFT LOCATION PORT SIZE PORT SIZE REPLACES Model ,7 cm 3 /r [1.2 in 3 /r] Displacement 267-RZA 267-LZA 3/4 11T Spline Side 7/8-14 UNF-2B 1-5/16-12 UN-2B 2534-RSA/LSA 267-RZB 267-LZB 3/4 11T Spline Rear 7/8-14 UNF-2B 1-5/16-12 UN-2B 2534-RSB/LSB 267-RZC 267-LZC 3/4 Keyed Side 7/8-14 UNF-2B 1-5/16-12 UN-2B 2534-RSC/LSC 267-RZD 267-LZD 3/4 Keyed Rear 7/8-14 UNF-2B 1-5/16-12 UN-2B 2534-RSD/LSD 267-RZE 267-LZE *5/8 9 T Spline Side 7/8-14 UNF-2B 1-5/16-12 UN-2B 2534-RSE/LSE 267-RZF 267-LZF *5/8 9 T Spline Rear 7/8-14 UNF-2B 1-5/16-12 UN-2B 2534-RSF/LSF 267-RZG 267-LZG **5/8 Keyed Side 7/8-14 UNF-2B 1-1/16-12 UN-2B 2436-RZA/LZA 267-RZH 267-LZH **5/8 Keyed Rear 7/8-14 UNF-2B 1-1/16-12 UN-2B 2436-RZE/LZF 267-RZJ 267-LZJ *5/8 9 T Spline Side 7/8-14 UNF-2B 1-1/16-12 UN-2B 2436-RZD/LZB 267-RZK 267-LZK *5/8 9 T Spline Rear 7/8-14 UNF-2B 1-1/16-12 UN-2B 2436-RZF/LZG Model ,5 cm 3 /r [1.37 in 3 /r] Displacement 268-RZA 268-LZA 3/4 11T Spline Side 7/8-14 UNF-2B 1-5/16-12 UN-2B 2535-RSA/LSA 268-RZB 268-LZB 3/4 11T Spline Rear 7/8-14 UNF-2B 1-5/16-12 UN-2B 2535-RSB/LSB 268-RZC 268-LZC 3/4 Keyed Side 7/8-14 UNF-2B 1-5/16-12 UN-2B 2535-RSC/LSC 268-RZD 268-LZD 3/4 Keyed Rear 7/8-14 UNF-2B 1-5/16-12 UN-2B 2535-RSD/LSD 268-RZE 268-LZE *5/8 9 T Spline Side 7/8-14 UNF-2B 1-5/16-12 UN-2B 2535-RSE/LSE 268-RZF 268-LZF *5/8 9 T Spline Rear 7/8-14 UNF-2B 1-5/16-12 UN-2B 2535-RSF/LSF Model ,3 cm 3 /r [1.48 in 3 /r] Displacement 269-RZG 269-LZG **5/8 Keyed Side 7/8-14 UNF-2B 1-1/16-12 UN-2B 2437-RZC/LZA 269-RZH 269-LZH **5/8 Keyed Rear 7/8-14 UNF-2B 1-1/16-12 UN-2B 2437-RZG/LZF 269-RZJ 269-LZJ *5/8 9 T Spline Side 7/8-14 UNF-2B 1-1/16-12 UN-2B 2437-RZD/LZB 269-RZK 269-LZK *5/8 9 T Spline Rear 7/8-14 UNF-2B 1-1/16-12 UN-2B 2437-RZH/LZG Model ,2 cm 3 /r [1.54 in 3 /r] Displacement 261-RZA 261-LZA 3/4 11T Spline Side 7/8-14 UNF-2B 1-5/16-12 UN-2B 2536-RSA/LSA 261-RZB 261-LZB 3/4 11T Spline Rear 7/8-14 UNF-2B 1-5/16-12 UN-2B 2536-RSB/LSB 261-RZC 261-LZC 3/4 Keyed Side 7/8-14 UNF-2B 1-5/16-12 UN-2B 2536-RSC/LSC 261-RZD 261-LZD 3/4 Keyed Rear 7/8-14 UNF-2B 1-5/16-12 UN-2B 2536-RSD/LSD 261-RZE 261-LZE *5/8 9 T Spline Side 7/8-14 UNF-2B 1-5/16-12 UN-2B 2536-RSE/LSE 261-RZF 261-LZF *5/8 9 T Spline Rear 7/8-14 UNF-2B 1-5/16-12 UN-2B 2536-RSF/LSF Model ,7 cm 3 /r [1.69 in 3 /r] Displacement 2611-RZA 2611-LZA 3/4 11T Spline Side 7/8-14 UNF-2B 1-5/16-12 UN-2B 2537-RSA/LSA 2611-RZB 2611-LZB 3/4 11T Spline Rear 7/8-14 UNF-2B 1-5/16-12 UN-2B 2537-RSB/LSB 2611-RZC 2611-LZC 3/4 Keyed Side 7/8-14 UNF-2B 1-5/16-12 UN-2B 2537-RSC/LSC 2611-RZD 2611-LZD 3/4 Keyed Rear 7/8-14 UNF-2B 1-5/16-12 UN-2B 2537-RSD/LSD 2611-RZE 2611-LZE *5/8 9 T Spline Side 7/8-14 UNF-2B 1-5/16-12 UN-2B 2537-RSE/LSE 2611-RZF 2611-LZF *5/8 9 T Spline Rear 7/8-14 UNF-2B 1-5/16-12 UN-2B 2537-RSF/LSF Model , cm 3 /r [1.77 in 3 /r] Displacement 2612-RZG 2612-LZG **5/8 Keyed Side 7/8-14 UNF-2B 1-1/16-12 UN-2B 2438-RZA/LZA 2612-RZH 2612-LZH **5/8 Keyed Rear 7/8-14 UNF-2B 1-1/16-12 UN-2B 2438-RZE/LZF 2612-RZJ 2612-LZJ *5/8 9 T Spline Side 7/8-14 UNF-2B 1-1/16-12 UN-2B 2438-RZD/LZB 2612-RZK 2612-LZK *5/8 9 T Spline Rear 7/8-14 UNF-2B 1-1/16-12 UN-2B 2438-RZF/LZG Model ,6 cm 3 /r [1.87 in 3 /r] Displacement 2613-RZA 2613-LZA 3/4 11T Spline Side 7/8-14 UNF-2B 1-5/16-12 UN-2B 2538-RZA/LZA 2613-RZB 2613-LZB 3/4 11T Spline Rear 7/8-14 UNF-2B 1-5/16-12 UN-2B 2538-RZB/LZB 2613-RZC 2613-LZC 3/4 Keyed Side 7/8-14 UNF-2B 1-5/16-12 UN-2B 2538-RZC/LZC 2613-RZD 2613-LZD 3/4 Keyed Rear 7/8-14 UNF-2B 1-5/16-12 UN-2B 2538-RZD/LZD 2613-RZE 2613-LZE *5/8 9 T Spline Side 7/8-14 UNF-2B 1-5/16-12 UN-2B 2538-RZE/LZE 2613-RZF 2613-LZF *5/8 9 T Spline Rear 7/8-14 UNF-2B 1-5/16-12 UN-2B 2538-RZF/LZF 13
14 Optional Configurations Single Gear Pump with Tandem Backplate Double Gear Pump with Tandem Backplate The Series 26 Gear Pump components can be assembled into many optional configurations. The versatile design allows you to assemble a pump to meet your specific needs. Model codes for single and multiple pumps along with the component part dimension drawings are given on the following pages. Triple Gear Pump with Two Suction Ports and Tandem Backplate Single Gear Pump Double Gear Pump with Common Suction Port Single Gear Pump w/tandem Flow Divider Backplate Double Gear Pump with Tandem Flow Divider Backplate Triple Gear Pump with Two Suction Ports Triple Gear Pump with Two Suction Ports and Tandem Flow Divider Backplate Single Gear Pump with Relief Valve Double Gear Pump with Relief Valve Single Gear Pump with Flow Divider and Relief Valve Double Gear Pump with Flow Divider and Relief Valve Triple Gear Pump with Two Suction Ports and Relief Valve Triple Gear Pump with Two Suction Ports, Flow Divider and Relief Valve 14
15 Component Parts - Dimensions All dimensions are in mm [in]. Front Plate SAE A 2 Bolt Flange used on all Standard Catalog Assemblies 15. [.59] 6.4 [.25] 13. [5.12] 16.4 [4.19] B Mount 2X Ø 14,27 [.562] Dia ±.3 [3.249±.1] 3.4 [1.2] 2X Dia ±.13 [.455±.5] C L 47.6 [1.88] 83.3 [3.28] Interrupted pilot does not allow o-ring sealing. A Gasket or sealant must be used in wet mount applications. 146, [5.75] 174,5 [6.87] Ø 11,58 +/-,3 [ /-.1] 9,4 [.37] 4 Bolt Euro Mount 9 [3.54] 45 [1.77] 4X 9.1 [.36] 4X 45 7,1 [.28] Body Used on Single and Multiple Pumps 34,5 [1.36] 1,1 [3.94] 47,8 [1.88] 125,7 [4.95] 134,9 [5.31] Ø /-,3 [ /-.1] 72,1 [2.84] 36,1 [1.42] Dim A Model Displacement (cm 3 /r [in 3 /r]) 6.6 [.4] 8.2 [.5] 9.5 [.58] 1.8 [.66] 13.8 [.84] 16.7 [1.2] 19.7 [1.2] Dimension A (mm [in]) 14.4 [.57] 16.3 [.64] 17.7 [.7 ] 19.5 [.77] 22.7 [.89] 25.9 [1.2] 29.1 [1.15] Model Displacement (cm 3 /r [in 3 /r]) 22.5 [1.37] 24.3 [1.48] 25.2 [1.54] 27.7 [1.69] 29. [1.77] 3.6 [1.87] Dimension A (mm [in]) 32.3 [1.27] 34.7 [1.36] 35.5 [1.4] 38.7 [1.52] 4.3 [1.59] 41.9 [1.65] 15
16 Component Parts - Dimensions All dimensions are in mm [in]. Backplate Used on Single and Multiple Pumps 18 [.71] 25.9 [1.2] C L 21.1 [.83] Driveshaft Centerline Suction Port Side Porting Suction Port Rear Porting 46.2 [1.82] 92.5 [3.64] 18 [.71] Pressure Port Rear Porting Pressure Port Side Porting 48.3 [1.9] 27.7 [1.9] Left Hand Rotation Shown Flow Divider Backplate Used on Single and Multiple Pumps 63.8 [2.51] Secondary Pressure Port Rear Porting Secondary Pressure Port Side Porting 1.3 [.5] 38.1 [1.5] Priority Pressure Port Side Porting Priority Pressure Port Rear Porting 19.3 [.76] Right Hand Rotation Shown 48.8 [1.92] C L 3.2 [1.19] 55.1 [2.17] 9.9 [3.58] Suction Port Rear Porting Suction Port Side Porting 18 [.71] Relief Valve 58.2 [2.29] Driveshaft Centerline Optional Hex Plug (No Relief Valve) 79.8 [3.14] 45.5 [1.79] 7.1 [2.76] 16
17 Component Parts - Dimensions All dimensions are in mm [in]. Relief Valve Backplate Used on Single and Multiple Pumps - Right Hand Rotation Shown C L 18.1 [.71] Pressure Port Side Porting Pressure Port Rear Porting 11.7 [.46] 21.1 [.83] 47.8 [1.88] 25.9 [1.2] 66 [2.6] Relief Valve 95.5 [3.76] Relief Valve External Drain 7/8-14 SAE 21.8 [.86] 58.5 [2.31] Driveshaft Centerline Suction Port Side Porting Suction Port Rear Porting 39.1 [1.54] 27.7 [1.9] 52.3 [2.6] Adaptor Plate Used on Multiple Pumps - Right Hand Rotation Shown 18.1 [.71] Pressure Port 46.2 [1.82] C L 62.7 [2.47] Driveshaft Centerline Suction Port 48.3 [1.9] Tandem Backplate Used on Single and Multiple Pumps SAE AA 2 Bolt Flange 15,7 [.62] See Model Code for Output Shaft Options 82.5 [3.25] C L 2X 3/ [.71] Driveshaft Centerline Pressure Port Suction Port 9 tooth 2/4 DP 3 invlt flat root class I side fit spline SAE J498b 9,7 [.38] min. full spline 46.2 [1.82] 92.5 [3.64] 5.8 [2.] 2.8 [.82] Max Torque Rating: 29.5 Nm [261 lbf in] Right Hand Rotation Shown 17
18 Model Code - Single Series 26 Gear Pumps can be ordered by using the following Model Code. A twenty-four digit coding system has been designed to identify the features presently available on single gear pumps. The characters and their relative positions within the code identify specific features. Use the Model Code Matrix as an aid when assembling the model code for the pump with the features you desire. It may be helpful to photocopy the matrix and write the numbers and letters into the boxes as you select features. All twenty-four digits of the code must be submitted when ordering. All dimensions are in inches. ACN * * ** ** A A 1, 2, , 7 8, , 13 14, 15 16, , 2 21, , 2, 3 26 Series ACN Gear Pump - Single Unit 4 Unit Type A Plain B Flow Divider with/without Relief Valve (Pos ) C Relief Valve (Pos ) 5 Input Rotation (viewed from input shaft end) L Left-hand Rotation CCW R Right-hand Rotation CW 6, 7 Displacement (cm 3 /r [in 3 /r]) 1 = 6.6 [.4] 2 = 8.2 [.5] 3 = 9.5 [.58] 4 = 1.8 [.66] 5 = 13.8 [.84] 6 = 16.7 [1.2] 7 = 19.7 [1.2] 8 = 22.5 [1.37] 9 = 24.3 [1.48] 1 = 25.2 [1.54] 11 = 27.7 [1.69] 12 = 29. [1.77] 13 = 3.6 [1.87] 8, 9 Input Shaft AA = 5/8 Inch Dia. 9 Tooth Spline 16/32 Pitch Shaft Extension 31.8 [1.25] AB = 3/4 Inch Dia. 11 Tooth Spline 16/32 Pitch Shaft Extension 31.8 [1.25] AC = 3/4 Inch Dia. Straight Keyed, Keyway 4.8 x 25.4 [.19 x 1.] Shaft Extension 31.8 [1.25] AD = 5/8 Inch Dia. Straight Keyed, Keyway 4.1 X 18.3 [.16 X.72] Shaft Extension 31.8 [1.25] 1 Mounting Features A = SAE 2-Bolt A Flange, Series 82-2 B = SAE 2-Bolt B Flange, Series 11-2 D = European 4-Bolt 11 Auxiliary Mounting Features - No Rear Mounting C - (2-Bolt AA) SAE Flange Series 5-2, with 9 Tooth Internal Spline 2/4 Pitch, Accepts 25.4 [1.] Shaft Extension 12, 13 Ports, Sizes and Location- Backplate 1 = Plain: Suction Port UN-2B SAE O-ring Port; Pressure Port UNF-2B SAE O-ring Port - Side Sports 2 = Plain: Suction Port UN-2B SAE O-ring Port; Pressure Port UNF-2B SAE O-Ring Port - Rear Ports 3 = Plain: Suction Port UN-2B SAE O-ring Port; Pressure Port UNF-2B SAE O-ring Port Accepts Fittings Per SAE J Side Ports 4 = Plain: Suction Port UN-2B SAE O-ring Port; Pressure Port UNF-2B SAE O-ring Port Accepts Fittings Per SAE J1926 -Rear Ports 8 = Plain Thru Shaft: Suction Port UN-2B SAE O- ring Port; Pressure Port UNF-2B SAE O-ring Port - Side Ports 15 = Relief Valve: Suction Port UN-2B SAE O-ring Port; Pressure Port UNF-2B SAE O-ring Port - Side Ports; Drain Port UNF- 2B SAE O-ring Port 16 = Relief Valve: Suction Port UN-2B SAE O-ring Port; Pressure Port UNF-2B SAE O-ring Port - Rear Ports; Drain Port UNF- 2B SAE O-ring Port 2 = Flow Divider: Suction Port UN-2B SAE O-ring Port; Priority Pressure Port UNF-2B SAE O- ring Port; Secondary Pressure Port UNF-2B SAE O- ring Port - Side Ports 21 = Flow Divider: Suction Port UN-2B SAE O-ring Port; Priority Pressure Port UNF-2B SAE O- ring Port; Secondary Pressure Port UNF-2B SAE O- ring Port - Rear Ports 14, 15 Priority Flow Divider Setting (LPM [GPM]) = No Flow Setting AA = 3.8 [1.] AD = 7.6 [2.] AJ = 11.4 [3.] AL = 15.1 [4.] AN = 18.9 [5.] AR = 22.7 [6.] AS = 26.5 [7.] AT = 3.3 [8.] 16, 17 Relief Valve Full Flow Setting (bar [PSI]) = No Relief Valve Setting AA = 34.5 [ 5] AB = 51.7 [ 75] AC = 68.9 [1] AE = 86.2 [125] AF = 13.4 [15] AJ = 12.7 [175] AL = [2] AN = [225] AP = [25] AR = [275] AS = 26.8 [3] BR = [35] BT = [325] 18 Test Data - Generic A - Unit Specific (required for flow divider and relief valve options.) 19, 2 Special Features - No Special Features AB - Viton Shaft Seal 21, 22 Paint - None A - Red Primer B - Black 23 Identification - Standard 24 Design Code A - A 18
19 Model Code - Multiple Series 26 Gear Pumps can be ordered by using the following Model Code. A thirty-two digit coding system has been designed to identify the features presently available on Multiple gear pumps. The characters and their relative positions within the code identify specific features. Use the Model Code Matrix as an aid when assembling the model code for the pump with the features you desire. It may be helpful to photocopy the matrix and write the numbers and letters into the boxes as you select features. All thirty-two digits of the code must be submitted when ordering. All dimensions are in inches. ACM * * ** ** ** ** ** ** ** A B 1, 2, , 7 8, 9 1, 11 12, 13 14, 15 16, 17 18, 19 2, 21 22, ,28 29, , 2, 3 26 Series ACM Gear Pump - Multiple Unit 4 Unit Type A Plain B Flow Divider with/without Relief Valve (Pos. 2-21) C Relief Valve 5 Input Rotation (viewed from input shaft end) L Left-hand Rotation CCW R Right-hand Rotation CW 6, 7 Displacement - Front (cm 3 /r [in 3 /r]) 1 = 6.6 [.4] 2 = 8.2 [.5] 3 = 9.5 [.58] 4 = 1.8 [.66] 5 = 13.8 [.84] 6 = 16.7 [1.2] 7 = 19.7 [1.2] 8 = 22.5 [1.37] 9 = 24.3 [1.48] 1 = 25.2 [1.54] 11 = 27.7 [1.69] 12 = 29. [1.77] 13 = 3.6 [1.87] 8, 9 Displacement - Ctr. Triple Only (cm 3 /r [in 3 /r]) 1 = 6.6 [.4] 2 = 8.2 [.5] 3 = 9.5 [.58] 4 = 1.8 [.66] 5 = 13.8 [.84] 6 = 16.7 [1.2] 7 = 19.7 [1.2] 8 = 22.5 [1.37] 9 = 24.3 [1.48] 1 = 25.2 [1.54] 11 = 27.7 [1.69] 12 = 29. [1.77] 13 = 3.6 [1.87] 99 = No Center Displacement 1, 11 Displacement - Rear (cm 3 /r [in 3 /r]) 1 = 6.6 [.4] 2 = 8.2 [.5] 3 = 9.5 [.58] 4 = 1.8 [.66] 5 = 13.8 [.84] 6 = 16.7 [1.2] 7 = 19.7 [1.2] 8 = 22.5 [1.37] 9 = 24.3 [1.48] 1 = 25.2 [1.54] 11 = 27.7 [1.69] 12 = 29. [1.77] 13 = 3.6 [1.87] 12, 13 Input Shaft AA = 5/8 Inch Dia. 9 Tooth Spline 16/32 Pitch Shaft Extension 31.8 [1.25] AB = 3/4 Inch Dia. 11 Tooth Spline 16/32 Pitch Shaft Extension 31.8 [1.25] AC = 3/4 Inch Dia. Straight Keyed, Keyway 4.8 x 25.4 [.19 x 1.] Shaft Extension 31.8 [1.25] AD = 5/8 Inch Dia. Straight Keyed, Keyway 4.1 X 18.3 [.16 X.72] Shaft Extension 31.8 [1.25] 14, 15 Front Adapter Ports 1 = Suction Port 1-5/8 12 UN-2B SAE O-ring Port; Pressure Port 7/8 14 UNF-2B SAE O-ring Port 5 = Suction Port 1-5/16 12 UN-2B SAE O-ring Port; Pressure Port 7/8 14 UNF-2B SAE O-ring Port 16, 17 Ports - Rear Adapter (Triple Units) = No Rear Adaptor 1 = Suction Port 1-5/8 12 UN-2B SAE O-ring Port; Pressure Port 7/8 14 UNF-2B SAE O-ring Port 5 = Suction Port 1-5/16 12 UN-2B SAE O-ring Port; Pressure Port 7/8 14 UNF-2B SAE O-ring Port 18, 19 Ports, Sizes and Location- Backplate 1 = Plain: Suction Port 1-5/16 12 UN-2B SAE O-ring Port Size; Pressure Port 7/8 14 UNF-2B SAE O-ring Port Side Ports 2 = Plain: Suction Port 1-5/16 12 UN-2B SAE O-ring Port Size; Pressure Port 7/8 14 UNF-2B SAE O-ring Port Rear Ports 3 = Plain: Suction Port 1-1/16 12 UN-2B SAE O-ring Port Size; Pressure Port 7/8 14 UNF-2B SAE O-ring Port Side Ports 4 = Plain: Suction Port 1-1/16 12 UN-2B SAE O-ring Port Size; Pressure Port 7/8 14 UNF-2B SAE O-ring Port Rear Ports 8 = Plain Tandem: Suction Port UN-2B SAE O- ring Port; Pressure Port UNF-2B SAE O-ring Port - Side Ports 14 = Plain: Suction Port 1-5/16 12 UN-2B SAE O-ring Port Size (Plugged); Pressure Port 7/8 14 UNF-2B SAE O-ring Port Side Ports, used with position 14 and 15 1 and 16 and = Plain: Suction Port 1-5/16 12 UN-2B SAE O-ringPort Size (Plugged); Pressure Port 7/8 14 UNF-2B SAE O-ring Port Rear Ports, used with position 14 and 15 1 and 16 and = Plain Tandem: Suction Port UN-2B SAE O- ring Port (Plugged); Pressure Port UNF-2B SAE O- ring Port - Side Ports 19
20 Model Code - Multiple All dimensions are in inches. ACM * * ** ** ** ** ** ** ** A B 1, 2, , 7 8, 9 1, 11 12, 13 14, 15 16, 17 18, 19 2, 21 22, ,28 29, = Plain: Suction Port UN-2B SAE O-ring Port (Plugged); Pressure Port UN-2B SAE O-ring Port - Side Ports 2 = Relief Valve: Suction Port UN-2B SAE O-ring Port; Pressure Port UNF-2B SAE O-ring Port - SIDE Ports; DRAIN Port UNF-2B SAE O-ring Port 21 = Relief Valve: Suction Port UN-2B SAE O-ring Port; Pressure Port UNF-2B SAE O-ring Port - Rear Ports; DRAIN Port UNF-2B SAE O-ring Port - TOP Port 27 = Flow Divider: Suction Port UN-2B SAE O- ring Port; Priority Pressure Port UNF-2B SAE O- ring Port; Secondary Pressure Port UNF-2B SAE O- ring Port - SIDE Ports 28 = Flow Divider: Suction Port UN-2B SAE O- ring Port; Priority Pressure Port UNF-2B SAE O- ring Port; Secondary Pressure Port UNF-2B SAE O- ring Port - Rear Ports 2, 21 Priority Flow Divider Setting (LPM [GPM]) = No Flow Setting AA = 3.8 [1.] AD = 7.6 [2.] AJ = 11.4 [3.] AL = 15.1 [4.] AN = 18.9 [5.] AR = 22.7 [6.] AS = 26.5 [7.] AT = 3.3 [8.] 22,23 Relief Valve Full Flow Setting (bar [PSI]) = No Relief Valve Setting AA = 34.5 [5] AB = 51.7 [75] AC = 68.9 [1] AE = 86.2 [125] AF = 13.4 [15] AJ = 12.7 [175] AL = [2] AN = [225] AP = [25] AR = [275] 24 Mounting Features (Front) A = (2-Bolt A) SAE Flange, Series 82-3 C = (2-Bolt B) SAE Flange Series 82.3 G = (4-Bolt) European 25 Auxiliary Mounting Features = No Rear Mounting C = (2-Bolt AA) SAE Flange Series 5-2, with 9 Tooth Internal Spline 2/4 Pitch, Accepts 25.4 [1.] Shaft Extension 26 Test Data - Generic A - Unit Specific (required for flow divider and relief valve options.) 27, 28 Special Features - No Special Features AB - Viton Shaft Seal 29, 3 Paint - None A - Red Primer B - Black 31 Identification - Standard 32 Design Code B - B 29 = Flow Divider: Suction Port UN-2B SAE O- ring Port; Priority Pressure Port UNF-2B SAE O- ring Port; Secondary Pressure Port UNF-2B SAE O- ring Port - SIDE Ports AS = 26.8 [3] Consult your Eaton representative when requiring common inlet option. 2
21 Side-Load Applications Maximum Allowable Operating Pressures Ideal positions shown. Side load is acceptable within 9 of either side of the ideal position. Charts are based on 1% slack side tension. Max. speed per catalog. Max. operating pressure shown. Y Gear Drive 45 Pump Inlet CW Rotation CCW Rotation 45 Pump Inlet Pulley Drive Pitch Dia. 5 5 Pump Inlet CW Rotation CCW Rotation Pump Inlet.4/.5 CID PULLEY GEAR PITCH Y Dimension /.66 CID PULLEY GEAR PITCH Y Dimension CID PULLEY GEAR PITCH Y Dimension CID PULLEY GEAR PITCH Y Dimension
22 Side-Load Applications Maximum Allowable Operating Pressures Ideal positions shown. Side load is acceptable within 9 of either side of the ideal position. Charts are based on 1% slack side tension. Max. speed per catalog. Max. operating pressure shown. Y Pitch Dia. 1.2 CID PULLEY GEAR PITCH Y Dimension 2. N/R N/R N/R CID PULLEY GEAR PITCH Y Dimension 2. N/R N/R N/R N/R N/R N/R N/R N/R CID PULLEY GEAR PITCH Y Dimension 2. N/R N/R N/R N/R N/R /1.87 CID PULLEY GEAR PITCH Y Dimension 2. N/R N/R N/R N/R N/R N/R N/R N/R N/R N/R N/R /1.54 CID PULLEY GEAR PITCH Y Dimension 2. N/R N/R N/R N/R N/R N/R
23 Load Sensing Priority Valve The Load Sensing PriorityValve is used with the open loop load sense systemsthat are typically used in steering and braking circuits. The load sense gear pump provides metered priorityflow (CF)on demand. The excess flow (EF)is available for auxiliary circuits.the response time was selectedto insure that the operator will not sense a delay or steering kick during transient conditions. VALVE SPECIFICATIONS Rated Pressure 27 BAR (3PSI) Rated Inlet Flow 18 L/m (28GPM) Maximum Controlled Flow (CF) 33 L/m(8.5 GPM) Bias Pressure Dynamic - 1 bar (15 PSI) Std. Static bar (1 PSI) Std. Relief Pressure bar (5-3 PSI) Response Time 7 msec. max. (std. bias spring) CF Flow Variation over full pressure range +/- 1% PUMP SPECIFICATIONS Displacements Mounting Ports Type 9 Available: 8.2cm 3 /r [.5 in 3 /r] thru 3.6 cm 3 /r [1.87in 3 /r] SAE 2-Bolt A Mount SAE 2-Bolt B Mount 4-Bolt European Mount (8mm Pilot) Side or Rear Single or Multiple Configuration 23
24 Series 26 Motors General Specifications Rotation Bi-Rotation Mounting Flange SAE A 2 Bolt Max. Continuous Pressure 21 bar [3 PSI]* Max. Intermittent Pressure 24 bar [35 PSI]** Minimum Speed at Continuous Pressure 75 RPM Maximum Rotating Torque at Pressure 4 Nm [36 lb-in] Maximum Continuous Operating Temperature 15 C [22 F] Minimum Continuous Oil Viscocity 5.7 cst [45 SUS] Minimum Operating Temperature -29 C [-2 F] Maximum Inlet Vacuum at Operating Condition,8 bar Abs. [11.6 psi Abs.] Maximum Thrust Load 5 lbs. Maximum Seal Pressure 15 PSI, 2 15 RPM Continuous - motor may be run continuously at these ratings. Intermittent - intermittent operation, 1% of every minute. * 31.8 cm 3 /rev. [1.94 in 3 /rev.] displacement max. continuous pressure is 19 bar [275 PSI]. ** 31.8 cm 3 /rev. [1.94 in 3 /rev.] displacement max. intermittent pressure is 224 bar [325 PSI]. For side load limits consult your Eaton representative. Displacement cm 3 /r [in 3 /r] 7, 8,8 1,1 11,6 14,5 17,3 2,3 [.43] [.54] [.62] [.71] [.88] [1.6] [1.24] Max. Intermittent Pressure bar [PSI] [3495] [3495] [3495] [3495] [3495] [3495] [3495] Rated Speed (RPM) Minimum Output Flow at Continuous 22,2 27,9 32, 36,7 48, 5,9 59,8 Rated Speed and Pressure LPM [GPM] [5.9] [7.4] [8.5] [9.7] [12.7] [13.5] [15.8] Input Power at Intermittent Rated 11,9 15, 17,2 19,7 24,7 26,2 3,7 Speed and Pressure kw [HP] [16.] [2.1] [23.] [26.5] [33.1] [35.1] [41.2] Displacement cm 3 /r [in 3 /r] 23,1 25,2 26, 28,8 3,3 31,7 [1.41] [1.54] [1.59] [1.76] [1.85] [1.93] Max. Intermittent Pressure bar [PSI] [3495] [3495] [3495] [3495] [3393] [3248] Rated Speed (RPM) Minimum Output Flow at Continuous 63,8 69,6 71,8 79,5 83,6 87,5 Rated Speed and Pressure LPM [GPM] [16.8] [18.4] [19.] [21.] [22.1] [23.1] Input Power at Intermittent Rated 32,8 35,7 36,9 4,8 41,7 41,8 Speed and Pressure kw [HP] [43.9] [47.9] [49.4] [54.8] [55.9] [56.] The performance data in the table above and the following graphs was collected using a mineral base oil with a viscosity of 133 SUS at 49 C [12 F]. Ordering Information Catalog Assemblies Cross Reference Standard catalog assemblies are built from high production parts and are the most economical pump assemblies available in this series. The standard assembly order number is a preassigned part number and may be used to order the specific standard assembly (see page 24). 24
25 Series 26 Motors Performance Data 14,2 [.56] Bottom Drain 92,5 [3.64] 46,2 [1.82] 42,2 [1.66] 21,1 [.83] Dim D Max 2X Dim C 2X Dim A For shaft configuration, see separate shaft drawing. For front mounting configuration, see separate front mounting drawing. 72, [2.83] Top Drain Work Port Work Port (optional) 35,7 [1.41] Work Port Work Port (optional) 92,5 [3.64] 46,2 [1.82] Driveshaft Work Port Work Port (optional) Case Drain Port - Bottom (Plugged for Internal Drain Option) Case Drain Port - Top (Plugged for Internal Drain Option) 42,2 [1.66] 21,1 [.83] Driveshaft Work Port Work Port (optional) 18 [.71] Dim B FRONT MOUNT: 2 BOLT SAE A AND B DISPLACEMENT DIM A DIM B DIM C DIM D cm3/r [in3/r] mm [in] mm [in] mm [in] mm [in] 7. [.43] 69.2 [2.72] 67.9 [2.67] 89. [3.5] 96.6 [3.8] 8.8 [.54] 71.1 [2.8] 69.8 [2.75] 9.9 [3.58] 98.5 [3.88] 1.2 [.62] 72.6 [2.86] 71.3 [2.81] 92.4 [3.64] 1. [3.94] 11.6 [.71] 74.3 [2.93] 73. [2.88] 94.1 [3.71] 11.7 [4.1] 12.5 [.76] 75.2 [2.96] 74. [2.91] 95.1 [3.74] 12.7 [4.4] 14.6 [.89] 77.5 [3.5] 76.2 [3.] 97.3 [3.83] 14.9 [4.13] 17.4 [1.6] 8.7 [3.18] 79.4 [3.13] 1.5 [3.96] 18.1 [4.26] 2.3 [1.24] 83.9 [3.3] 82.6 [3.25] 13.7 [4.8] [4.38] 23.1 [1.41] 87.1 [3.43] 85.8 [3.38] 16.9 [4.21] [4.51] 26.1 [1.59] 9.3 [3.56] 89. [3.51] 11.1 [4.34] [4.64] 28.8 [1.76] 93.5 [3.68] 92.2 [3.63] [4.46] 12.9 [4.76] 31.8 [1.94] 96.7 [3.81] 95.4 [3.76] [4.59] [4.89] 25
26 Series 26 Motors Model Code - Single Series 26 Gear Motors can be ordered by using the following Model Code. A twenty-four digit coding system has been designed to identify the features presently available on single gear pumps. The characters and their relative positions within the code identify specific features. Use the Model Code Matrix as an aid when assembling the model code for the pump with the features you desire. It may be helpful to photocopy the matrix and write the numbers and letters into the boxes as you select features. All twenty-four digits of the code must be submitted when ordering. All dimensions are in inches. ADM * * ** ** A A 1, 2, , 7 8, , 12 13, , , 2 21, , 2, 3 26 Series ADM Gear Motor 4 Unit Type A Plain 5 Output Rotation D Bi-Directional L Left-hand Rotation CCW R Right-hand Rotation CW 6, 7 Displacement (cm 3 /r [in 3 /r]) 1 = 7. [.43] 2 = 8.8 [.54] 3 = 1.2 [.62] 4 = 11.6 [.71] 5 = 14.6 [.89] 6 = 17.4 [1.6] 7 = 2.3 [1.24] 8 = 23.1 [1.41] 9 = 25.2 [1.54] 1 = 26.1 [1.59] 11 = 28.8 [1.76] 12 = 3.3 [1.85] 13 = 31.8 [1.94] 8, 9 Output Shaft AA = 9 Tooth Spline 16/32 Spline, Min. Full Spline 22.4 [.88], Shaft Extension 31.8 [1.25] AB = 11 Tooth Spline 16/32 Spline, Min. Full Spline 22.4 [.88], Shaft Extension 31.8 [1.25] AC = Straight Shaft Dia 19.5 [.75], Keyway 4.8 x 25.4 [.19 x 1.], Shaft Extension 31.8 [1.25] (Key Included) AD = Straight Shaft Dia [.625], Keyway 4.1 x 18.3 [.16 x.72], Shaft Extension 31.8 [1.25] (Key Included) AJ = Dia [.625], Taper.125:1,.5-2 UNF-2A, Keyway 4.1 x 17.5 [.16 x.69], Shaft Extension 43.7 [1.72] (Key Included) 1 Mounting Features A = 2-Bolt A - SAE Flange Series , 12 Ports, Sizes and Location- Backplate 1 = Inlet Port UN-2B SAE O-Ring Port; Outlet Port UN-2B SAE O-Ring Port - Side Ports 2 = Inlet Port UN-2B SAE O-Ring Port; Outlet Port UN-2B SAE O-Ring Port - Rear Ports 3 = Inlet Port UN-2B SAE O-Ring Port; Outlet Port UN-2B SAE O-Ring Port - Side Ports 4 = Inlet Port UN-2B SAE O-Ring Port; Outlet Port UN-2B SAE O-Ring Port - Rear Ports 13, 14 Case Drain = No Case Drain AA = UNF-2B SAE O-Ring Port - Bottom AB = UNF-2B SAE O-Ring Port - Top AC = Internal with Bi-Directional Checks, UNF-2B SAE O-Ring Port - Plugged 16, 17 Relief Valve Setting bar [lbf/in 2 ] = No Relief Valve Setting AA = [17] AB = [25] AC = 31. [45] 18 Test Data - Generic A - Unit Specific (Used with Relief Valve) 19, 2 Special Features - No Special Features 21, 22 Paint - None A - Primer per Spec 29-13A B - Black per Spec 29-13B 23 Identification - Standard 24 Design Code A - A AD = UNF-2B SAE O-Ring Port - Bottom-Plugged AE = UNF-2B SAE O-Ring Port - Top-Plugged 15 Relief Valve Type = No Relief Valve C = Cross-over 26
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