ITT Goulds Pumps G&L Series NPO Open Impeller All Stainless Steel End Suction Pumps www.goulds.com Engineered for life
A Full Range of Product Features NPO Product Line Numbering System Superior Materials of Construction: Complete AISI 316L stainless steel liquid handling components and mounting bracket for corrosion resistance, quality appearance, and improved strength and ductility. Open Impeller Design: Open impeller design passes up to 3 8" solids including food particles, lint, metal filings, and other wash residue. Casing and Adapter Features: Stainless steel construction with NPT threaded, centerline connections, easily accessible vent, prime and drain connections with stainless steel plugs. Optional seal face vent/flush available. Mechanical Seal: Standard John Crane Type 21 with carbon versus silicon-carbide faces, Viton elastomers, and 316 stainless metal parts. Optional high temperature and chemical duty seals available. Motors: NEMA standard open drip-proof, totally enclosed fan cooled or explosion proof enclosures. Rugged ball bearing design for continuous duty under all operating conditions. Example Product Code 1 SN 2 C 1 A 4 F Seal Vent/Flush Option Mechanical Seal and O-ring 4 = Pre-engineered standard For optional mechanical seal modify catalog order no. with seal code listed below. Seal Code Impeller Option For optional impeller diameters modify catalog order no. with impeller code listed. Select optional impeller diameter from pump performance curve. Impeller Code John Crane Type 21 Mechanical Seal ( 8 seal) Metal Part Casing Rotary Stationary Elastomers Parts No. O-Ring 2 EPR 1K18 EPR Carbon 4 Sil- Viton 1K Viton 316 SS Sil- Carbide EPR 1K81 EPR 6 Carbide Viton 1K62 Viton Pump Size 1 x 1¼ 6 1¼ x 1½ 6 1½ x 2 6 Diameter Diameter Diameter A 4 16 16 7 16 B 4 1 16 ¼ C 3¾ 4 8 4 1 16 D 3½ 4 16 4 8 E 3¼ 4 1 16 4 7 16 F 3 3¾ 4 3 16 G 3 8 3 7 16 3¾ H The various versions of the NPO are identified by a product code number on the pump label. This number is also the catalog number for the pump. The meaning of each digit in the product code number is shown in the Product Line Numbering System chart. Driver 1 = 1 PH, ODP 6 = 7 V, TEFC 2 = 3 PH, ODP 7 = 3 PH, XP 3 = 7 V, ODP 8 = 7 V, XP 4 = 1 PH, TEFC = 1 PH, XP = 3 PH, TEFC HP Rating C = ½ HP E = 1 HP G = 2 HP J = HP D = ¾ HP F = 1½ HP H = 3 HP Driver: Hertz/Pole/RPM 1 = 6 Hz, 2 pole, 3 RPM 2 = 6 Hz, 4 pole, 17 RPM 4 = Hz, 2 pole, 29 RPM = Hz, 4 pole, 14 RPM Material SN = Stainless steel Pump Size 1 = 1 x 1¼ 6 2 = 1¼ x 1½ 6 3 = 1½ x 2 6 For frame mounted version, substitute the letters FRM in these positions.
Performance Coverage (6 Hz) 12 3 1 2 2 1 1 8 6 4 1" x 1 1 4" 6 3 RPM 1 1 4" x 1 1 2" 6 3 RPM 1 1 2" x 2" 6 3 RPM 2 1 1 2" x 2" 6 1" x 1 1 4" 6 17 RPM 17 RPM 1 1 4" x 1 1 2" 6 17 RPM 2 7 1 12 1 17 2 22 2 1 1 2 2 3 3 4 4 m /hr Notes: Not recommended for operation beyond For critical application conditions consult factory. Not all combinations of motor, impeller and seal options are available for every pump model. Please check with G&L Pumps on non-cataloged numbers. All standard 3 RPM ODP and TEFC motors supplied by Goulds Pumps, have minimum of 1.1 service factor. Standard catalog units may utilize available service factor. Check available service factor for all motors not supplied by Goulds Pumps.
NPO Close Coupled Pump Major Components: Materials of Construction 1 349 34 (1SN ONLY) 383 37 18 412B 48 13 11 184 371 123 24 184A Item No., Description Materials 18A 1 Casing AISI 34 SS 11 Impeller AISI 316L SS 18 Motor adapter 18A Motor adapter seal vent/flush AISI 316L SS 123 Deflector BUNA-N 184 Seal housing AISI 316L SS 184A Seal housing seal vent/flush 24 Motor support Steel 34 Impeller locknut AISI 34 SS 349 Seal ring, guidevane Viton Seal Face Vent/Flush Option. Image shown with NPE impeller. 37 Socket head screws, casing AISI 41 SS 371 Bolts, motor Plated steel 383 Mechanical seal **see chart 48 Drain and vent plug, casing AISI 316L SS 412B O-ring, drain and vent plug 13 O-ring, casing Viton Motor NEMA standard, 6J flange Bearing frame, greased for life Iron ½, ¾ and 1 HP Footed motor for HP, ODP and TEFC, all explosion proof. See page 11.
Performance Curves 6 Hz, 3 RPM 2 2 1 1 9 8 7 6 4 3 Model NPO / 1SN Size 1 x 1 1 4-6 RPM 3 Curve CN423R1 NPSH R G 3 8" DIA. H " A 4 16" B 4" C 3 3 4" D 3 1 2" E 3 1 4" F 3" 6' 2 EFF % 3 8' 1' 3 12' 2 18' Ordering Standard Code HP Rating Imp. Dia. F ½ 3" E ¾ 3¼ D 1 3½ C 1½ 3¾ B 1½ 4 A 2 4 16 H 3 G 3 3 8 2 1 32 32 1 HP 1 1 2 HP 2 HP 3 HP 1 2 3 4 1 2 HP 3 4 HP 6 7 8 9 1 1 2 m 3 hr Model NPO / 2SN Size 1 1 4 x 1 1 2-6 RPM 3 Curve CN47R Ordering Code Standard HP Rating Imp. Dia. 3 3 2 2 1 1 8 6 A 16" DIA. B 1 16" C 4 8" D 4 16" E 4 1 16" F 3 3 4" 3 EFF % 3' NPSH R 6' 4 42 44 9' 12' 42 4 1' 1 4 2 G 3 7 16" 1 1 2 HP G ¾ 3 7 16 F 1 3¾ E 1½ 4 1 16 D 1½ 4 16 C 2 4 8 B 3 1 16 A 3 16 2 HP 3 HP 2 4 6 3 4 HP 1 HP 8 1 12 14 16 1 1 2 2 3 3 m 3 hr 4
2 HP Performance Curves 6 Hz, 3 RPM 3 3 12 1 Model NPO / 3SN Size 1 1 2 x 2-6 RPM 3 Curve CN473R C 4 1 16" DIA. ' NPSH R 4 EFF % 4 1' 1' Ordering Standard Code HP Rating Imp. Dia. G 2 3¾" F 3 4 3 16 2 2 1 8 6 4 D 4 8" E 4 7 16" F 4 3 16" G 3 3 4" 2 2' 2' 4 3' 3' E 3 4 7 16 D 4 8 C 4 1 16 1 HP 2 3 HP 1 1 2 1 1 2 2 3 3 4 4 m hr Performance Curves 6 Hz, 17 RPM Model NPO / 1SN Size 1 x 1 1 4-6 RPM 17 Curve CN468R Ordering Standard Code HP Rating Imp. Dia. 7 6 2 G 3 8" DIA. H " 23 EFF % 28 2' NPSH R F ½ 3" E ½ 3¼ D ½ 3½ 4 3 1 1 A 4 16" B 4" C 3 3 4" D 3 1 2" E 3 1 4" 2 3' 2 ' 1 2 HP C ½ 3¾ B ½ 4 A ½ 4 16 H ½ 2 1 F 3" 3 3 G ½ 3 8 1 1 2 2 3 3 4 1 m 3 hr 6
Performance Curves 6 Hz, 17 RPM 9 3 Model NPO / 2SN Size 1 1 4 x 1 1 2-6 RPM 17 Curve CN471R Ordering Standard Code HP Rating Imp. Dia. 8 7 6 4 3 2 2 1 1 A 16" DIA. B 1 16" C 4 8" D 4 16" E 4 1 16" F 3 3 4" G 3 7 16" 3 EFF % 2' NPSH R (PIES) 38 4 3' 42 4' 4 3 ' G ½ 3 7 16" F ½ 3¾ E ½ 4 1 16 D ½ 4 16 C ½ 4 8 B ½ 1 16 A ½ 16 2 1 2 HP 1 1 2 3 4 6 7 8 1 1 m hr 2 9 8 7 6 4 3 2 2 1 Model NPO / 3SN Size 1 1 2 x 2-6 RPM 17 Curve CN474R A 7 16" DIA. B 1 4" C 4 1 16" D 4 8" E 4 7 16" F 4 3 16" G 3 3 4" 3' NPSH R 43 EFF % 48 48 6' 43 9' Ordering Standard Code HP Rating Imp. Dia. G ½ 3¾" F ½ 4 3 16 E ½ 4 7 16 D ½ 4 8 C ½ 4 1 16 B ¾ ¼ A ¾ 7 16 3 2 1 1 2 HP 3 4 HP 1 2 4 6 8 1 12 1 1 2 2 3 m 3 hr
1 2 HP Performance Curves Hz, 29 RPM 2 6 Model NPO / 1SN Size 1 x 1 1 4-6 RPM 29 Curve CN469R G 3 8" DIA. H " 2 EFF % 4' NPSH R (PIES) 2 3 Optional Impeller Ordering Code Dia. A 4 16" B 4 1 7' C 3¾ 1 4 3 2 1 A 4 16" B 4" C 3 3 4" D 3 1 2" E 3 1 4" F 3" 32 32 3 3 4 HP 12' 2 1 HP 1 1 2 HP 2 HP D E 3½ 3¼ F 3 G 3 8 H 1 2 3 4 1 2 HP 6 7 1 1 m 3 hr Model NPO / 2SN Size 1 1 4 x 1 1 2-6 RPM 29 Curve CN472R Optional Impeller 8 Ordering Code Dia. 2 7 6 A 16" DIA. B 1 16" 3 EFF % 2' NPSH R A 16" B 1 16 1 1 4 3 C 4 8" D 4 16" E 4 1 16" F 3 3 4" G 3 7 16" 4 4' 42 44 6' 8' 42 4 1' C 4 8 D 4 16 E 4 1 16 F 3¾ G 3 7 16 2 1 3 4 HP 1 HP 1 1 2 HP 2 HP 2 4 6 8 1 12 1 1 2 2 3 m 3 hr 8
Performance Curves Hz, 29 RPM Model NPO / 3SN Size 1 1 2 x 2-6 RPM 29 Curve CN47R Optional Impeller 8 A 7 16" DIA. Ordering Code Dia. B 1 4" 4' NPSH R 7 4 EFF % A 7 16" 2 1 1 6 4 3 C 4 1 16" D 4 8" E 4 7 16" F 4 3 16" G 3 3 4" 4 1' 2 14' 17' 4 2' 24' HP B ¼ C 4 1 16 D 4 8 E 4 7 16 F 4 3 16 G 3¾ 2 1 1 2 HP 2 HP 3 HP 1 1 HP 1 1 2 1 1 2 2 3 3 4 4 m 3 hr
NPO Close Coupled Dimensions, Weights and Specifications Clockwise Rotation Viewed from Drive End Y W C DISCHARGE 4¼ 1 PHASE ONLY FILL AND VENT 2 21 32 SUCTION X 6 16 3º TYP 4¼ 4 3 11 16 DRAIN 13 32 DIA. HOLE 4-MOUNTING HOLES 2 1 16 6 7 8 2 1 16 3 16 L 6½ ¾ ODP and TEFC ½, ¾ and 1 HP DISCHARGE FILL AND VENT 4¼ Y W C 1 PHASE ONLY 2¾ SUCTION X 2 16 3º TYP 4¼ 4 311 16 DRAIN 2 1 16 2 1 16 8 1 8 L 1 31 32 8¼ 13 32 DIA. HOLE 4-MOUNTING HOLES ODP and TEFC 1½, 2 and 3 HP Dimensions Determined by Pump Pump Suction Discharge HP W X Y L M 1SN 1¼ 1 ½ 3 3 16 4 3 8 2 4 9 16 7 16 2SN 1½ 1¼ ¾ 3¾ 4½ 2 1 8 1 8 7 7 8 3SN 2 1½ 1 7½ 3¾ 4 8 2 1 8 1 8 7 7 8 Available Motor Weights and Dimensions HP Motor Weights C Max. 1 Phase 3 Phase Length ODP TEFC EXP ODP TEFC EXP ½ 16 21 47 19 18 27 1 1 16 ¾ 19 24 41 21 21 3 11¼ 1 22 26 49 23 21 3 11½ 1½ 28 3 6 27 27 37 12½ 2 33 39 6 32 33 44 12 8 3 4 43 41 37 12¾ 42 42 4 14½ Dimensions in inches, weights in pounds. Notes: 1. Pump will be shipped with top vertical discharge position as standard. For other orientations, remove casing bolts, rotate discharge to desired position, replace and tighten 6mm bolts to 6 lbs.-ft. 2. Motor dimensions may vary with motor manufacturers. 3. Dimensions in inches, weights in pounds. 4. For explosion proof motor dimensions consult factory for information.. Not to be used for construction purposes unless certified. 1
NPO Close Coupled with Footed Motor and 7½ HP units and all Explosion proof All Explosion Proof Motors and HP ODP and TEFC and 7½ HP ODP Y W C FILL AND VENT DISCHARGE 4¼ 1 PHASE ONLY 1 9 16 SUCTION X 7¼ DRAIN 3º TYP 2 7 16 6½ 2 7 16 3½ 4 3 11 16 M 3 7 8 11 32 DIA. HOLE 4-MOUNTING HOLES Specifications Capacities to: 12 GPM (283L/min) at 17 RPM 2 GPM (L/min) at 3 RPM Heads to: 3 feet (11 m) at 17 RPM 1 feet ( m) at 3 RPM Working pressures to: 12 PSIG (9 bars) Maximum temperatures to: 212 F (1 C) with standard seal or 2 F (121 C) with optional high temperature seal. Direction of rotation: Clockwise when viewed from motor end. Motor specifications: NEMA 6J frame, 17 RPM, ½ and ¾ HP. 3 RPM ½ through HP. Open drip-proof, totally enclosed fan-cooled explosion proof enclosures. Stainless steel shaft with ball bearings. Single phase: Voltage 11/23 ODP and TEFC. (3 HP model 23 V only) Built-in overload with autoreset provided. Three phase: Voltage 28-23/46 ODP, TEFC and EX PROOF. NOTE: For three phase motors, overload protection must be provided in starter unit. Starter and heaters must be ordered separately. 11
NPO Frame Mounted Dimensions, Weights and Specifications FILL AND VENT SUCTION 7 8 DISCHARGE 4¼ X Y W CP 2 3½ SPACER COUPLING COUPLING GUARD C 1 PHASE ONLY 3 1 8 7 7 8 DRAIN HE 3º TYP HA HE HG HD 4 311 16 HL 7 8 KEYWAY 3 32 x 3 16 CHAVATERO 3 32 x 3 16 HF HB HP 11 32 DIA. HOLE 4-MOUNTING HOLES Specifications Capacities to: 12 GPM (283L/min) at 17 RPM 2 GPM (L/min) at 3 RPM Heads to: 3 feet (11 m) at 17 RPM 1 feet ( m) at 3 RPM Working pressures to: 12 PSIG (9 bars) Maximum temperatures to: 212 F (1 C) with standard seal or 2 F (121 C) with optional high temperature seal. Direction of rotation: Clockwise when viewed from motor end. Motor specifications: T-frame single and three phase. Open drip-proof, TEFC or explosion proof enclosures are available for 6 Hz, 3 and 17 RPM operation. For three phase motors, overload protection must be provided in starter unit. Starter and heaters must be ordered separately. NPO-F FILL AND VENT DISCHARGE 4 1 4 Y W CP SUCTION X 2 7/8 DRAIN 4 1 2 4 3 11 16 KEYWAY 3 32 x 3 16 4 HOLES 3 8 DIA. 2 2 1 4 L 3 1 4 4 13 16 9 16 1 2 12
Dimensions and Weights Determined by Pump Dim. "HL" Determined by Pump and Motor Pump Suct. NPT Disch. NPT CP L W X Y Wt. Frame 6 14 18 1SN 1 1 4 1 12 1 16 6 7 16 3 /16 4 3 8 2 22 1 2 4 9 16 6 7 16 2SN 1 1 2 1 1 4 4 1 13 1 2 7 3 3 2 4 3SN 2 1 1 2 4 8 2 1 /8 23 1 8 7 Available Motor and Bedplate Dimensions and Weights Motor Frame 6 143T 8 26 6 7 8 3 1 8 22 3 8 2 3 8 1 3 1" 14T 182T 184T 1 26 7 1 4 3 3 4 24 2 3 4 Notes: 1. Pump will be shipped with top vertical discharge position as standard. For other orientations, remove casing bolts, rotate discharge to desired position, replace and tighten 6mm bolts to 6 lbs.-ft. 2. Motor dimensions may vary with motor manufacturers. 3. Dimensions in inches, weights in pounds. 4. For explosion proof motor dimensions consult factory for information. HA HB HD HE HF HG HP. Not to be used for construction purposes unless certified. Wt. Max. Shims 7 8 43 - - Frame Size Single Phase Horsepower 3 RPM Three Phase ODP TEFC ODP TEFC C Max. Wt. Max. 6 1 2 1 1 2 1 2 1 1 2 1 2 1 1 2 1 13 4 143T 1 1 2 1 1 2 13 3 8 4 14T 2 2 1 1 2 3 1 1 2 2 14 1 4 2 182T 3 3 3 16 8 63 184T 18 1 8 112 13
Typical Applications Specifically designed for a broad range of general applications traditionally requiring various materials such as all iron, bronze fitted or all bronze construction. Dish washers Bottle and glass washers Commercial laundry systems Parts washers Machine tool coolant Water circulation Booster service Liquid transfer Spray system Chillers Washing/cleaning systems Air scrubbers Filtration systems OEM applications General water services 14
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ITT SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE. 27 ITT Corporation Engineered for life