Max. Reversed Free Flow. Max. Operating. Pressure MPa (PSI) Fine Feed 20 (5.3) 14 (2030) 40 (10.6) ( ) 40 (10.6) (
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1 These valves are the combination of flow control valve, a deceleration valve and a check valve and used mainly for controlling rapid traverse and feed cycles machine tools. Switching from rapid traverse to feed is made by a cam operation, and fine feed control is accomplished by dial rotation regardless of pressure and oil temperature variation. Rapid return is free of cam actuation. Specifications UCFG UCFG UCFG---C- - UCFG UCFG UCFG--8-C- - UCFG--- - UCFG UCFG--- - UCFG UCFG--- UCFG--- Max. Flow L/min (U.S.GPM) 6 [] (. [.]) [8] (. [.]) 8 [] (. [.6]) [] (5. [.]) 6 [8] (. [.]) [] (. [.6]) [] (.6 [.6]) [] (.6 [.6]) 8 [] (. [.6]) Range L/min (U.S.GPM).- (.8-.6) {.5-} ({.-.6}).-8 (.8-.) {.5-8} ({.-.}).5- (.-.6).5-8 (.-.).- (.6-.6).-8 (.6-.).- (.6-5.8).- (.6-5.8) Fine.5- (.-.6).5- (.-.6).-7 (.6-.5) Max. Reversed Free Flow L/min (U.S.GPM) (5.) (.6) (.6) 8 (.) Max. Operating Pressure MPa (PSI) () pprox. Mass kg (lbs.).6 (.5).6 (5.7).7 (6.) (.) 9. (.). The maximum flow rates are values with the deceleration valve and the flow control valve fully open. The values in [ ] are maximum flow rates with the deceleration valve fully open and the flow control valve fully closed.. The values in { } are for pressures above 7 MPa ( PSI). Model Number Designation F- UCF Special Seals F-: Special Seals for Phosphate Ester Type Fluids (Omit if not required) Series Number UCF: Single Control UCF: Double Control G E - Type of Mounting G: Gasket Mounting G: Gasket Mounting Valve Size Nominal Metred Flow L/min (U.S.GPM) : (.6) 8: 8 (.) : (.6) 8: 8 (.) : (7.9) : (.6) 8: 8 (.) : (7.9) Deceleration Valve Max. Flow L/min (U.S.GPM) : (.) : 8 (.) C: (.6) Design Standards: None Japanese Standard "JIS" and European Design Standard N. merican Design Standard Connection None: Internal E: External None: External None: Internal E:External None: External Design Number Design Standards Refer to
2 FLOW CONTROLS Graphic Symbols UCFG-- UCFG-- -E UCFG-- UCFG-- -E UCFG- UCFG-- UCFG-- -E UCFG- ttachment Mounting olts Valve UCFG- UCFG- UCFG- UCFG- UCFG- Socket Head Cap Screw Japanese Std. "JIS" & European Design Std. M6 55 Lg. M6 55 Lg. M6 55 Lg. M 7 Lg. M 7 Lg. Instructions llowable pressures at controlled flow outlet If internal drain types of UCFG- or or UCFG- are used, use them in metre-out circuits in order to limit the valve outlet pressure to the valves shown below. In addition, external drain types can also be used in metrein circuits. Internal Type External Type UCFG-- UCFG-- UCFG-- UCFG-- -E UCFG-- -E UCFG- UCFG-- -E UCFG- llowable Outlet Port ack Pres. MPa (PSI). () () N. merican Design Std. /- UNC -/ Lg. /- UNC -/ Lg. /- UNC -/ Lg. /8-6 UNC -/ Lg. /8-6 UNC -/ Lg. UCFG- UCFG- UCFG- UCFG- UCFG- Qty. Required Force for Spool Push Down Type Internal drain type Internal drain type Internal drain type Force N (lbs.) (.5) 8 (8.) 7 (.) 9 (.) 7 (.) (9.) 7 (.) 7 (.) Note: The push down forces are with the maximum allowable pressure at the port concerned, which is controlled flow outlet "" for internal drain types or the drain port for internal drain types. Line filter To carry out flow adjustments by as small degree as L/min (.5 U. S. GPM) or less, be sure to use a line filter, µm or less, near the valve inlet. D Minimum required pressure difference The minimum pressure differential between inlet and outlet port is required to obtain the optimum pressure compensation. It varies accordingly to the flow rate to be set. For details, refer to the performance curve. Spool push down level Limit the spool push down level within the allowable maximum stroke range shown in the installation drawings. llowable drain port back pressure Limit to. MPa (5 PSI). In addition, connect the drain pipe independently and directly to the tank. (This applies only to external drain types.) Flow adjustment [UCFG-, UCF G-] Loosen the locking screw and turn the flow adjustment dial clockwise for increase, and anti-clockwise for decrease. The dial makes about four revolutions from zero to full flow and the valve opening is indicated on the revolution indicator. fter flow adjustment, tighten the locking screw. [UCF G-] Loosen the locking screw and turn the flow adjustment handle clockwise to increase, and anti-clockwise to decrease. Open condition is indicated in digital-scale in built-in revolution indicator. fter flow adjustment, tighten the locking screw. 9
3 Min. Required Pressure Difference PSI 8 6 MPa UCFG L/min PSI 8 6 UCFG- MPa L/min U.S.GPM U.S.GPM PSI 8 6 MPa UCFG PSI MPa L/min UCFG UCFG L/min U.S.GPM U.S.GPM UCFG--* - * - * -/9 DIMENSIONS IN MILLIMETRES (INCHES) 5.5 to (. to.5) Seal Stroke.5(.6) Throttle Stroke (.6) 7 (.8) 7 (.67) (.) Dia. Roller angle to 8 (.) Reversed Free Flow Outlet Port 5(.59).5(.) Hex. Soc. 6.(.65) Tightening Torque:.5 -. Nm (.6) (. -.7 IN. lbs.) Revolution Indicator Max. "" Dia. Mounting surface should have a good machined finish. 6 (.8) 9 (.9).5 (.67) (.8) 7 (.6) 7(.8) Dia. Through (.) Dia. Spotface Places Controlled Flow Outlet or Reversed Free Flow Inlet Port 7 (.8) (.7).5 (.8) (.) 5(.97) 66(.6) 8(.5).5 (.5) (.8) 8(.) Flow djustment Dial.5(.89) Dia (.7) 5(.77) 5(.9) Fully Extended 8(.) (.6) Locating Pin. (.6) Dia. (s Furnished) Only (UCFG-- - -E) have a machined finish. "".5 (.5).5 (.)
4 FLOW CONTROLS UCFG--* - * -/9 6. to 7. (. to.7) Seal Stroke.5 (.6) Throttle Stroke.5(.8) Reversed Free Outlet Port 68(.68) (.6) 9(.9) 55(.7).5 (.6).5(.5) 7(.8) Dia. Through (.) Dia. Spotface Places Controlled Flow Outlet or Reversed Free Flow Inlet Port (.6) 9 (.) 5.5(.) 69(.7) 8(.) (.9) 7(.6) (.) Dia. Roller angle to 8(.) (.) 89.5(.5).5(.) Hex. Soc. Tightening Torque: 8(.7).5 -. Nm (. -.7 IN. lbs.) 6.(.65) (.6).5(.89) Dia. Flow djustment Dial (.6) Revolution Indicator (.7) 5(.77) 5(.) Fully Extended 8(.) Max. "" Dia. Locating Pin. (.6) Dia. (s Furnished) Only external drain type (UCFG-- -E) have a machined finish. Mounting surface should have a good machined finish. "".5 (.5) (.6) D UCFG--* - * -/9 DIMENSIONS IN MILLIMETRES (INCHES) Fine Stroke.8 (.7) Stroke. (.7) Throttle Stroke (.8) Reversed Free Flow Outlet Port Fine Flow djustment Dial 68(.68) 55(.7) (.6) 9(.9).5(.6) (.).5(.5) 7.5 to 9. (. to.5) (.) Dia. Roller Flow djustment Dial angle to Revolution Indicator 8.5 (.) 7.5 (.8) 9(.5).5(.) Hex. Soc. Tightening Torque:.5 -. Nm (. -.7 IN. lbs.).5 (.89) Dia. 8(.7) (.6) 6. (.65) (.6) Locating Pin. (.6) Dia. Max. "" Dia. Mounting surface should have a good machined finish. "".5 (.5) (.6) Controlled Flow Outlet or Reversed Free Flow Inlet Port (.6) (.5) 9(.) 5.5(.) 7(.8) 8(.) (.9) 7(.6) 7(.8) Dia. Through (.) Dia. Spotface Places 5(.77) 6(.8) 5(.) Fully Extended 8(.) (s Furnished) Only external drain type (UCFG-- -E) have a machined finish.
5 UCFG---/9 8 to 9 (. to.5) Seal Stroke (.8) Throttle Stroke 6(.) Reversed Free Flow Outlet Port 96(.78) 76(.99) (.9) 67(.6) 55(.7) (.79) Controlled Flow Outlet or Reversed Free Flow Inlet Port (.9) (.79) (.57) 6 (.6) 9 (.5) (5.5) 6 (6.) 8(.7) Dia. Roller angle to Revolution Indicator (.69) 6 (.8) (.) Dia. Through 7.5(.69) Dia. Spotface Places (.7) (5.) Flow djustment Handle 6(.8) Dia. (.8) Hex. Soc. 8(.) 6.5(.96) (.) 6 (.) 5 (.) 55 (.7) 69 (.7) (.8) Two Locating Pins 6(.) Dia. (s Furnished) Mounting surface should have a good machined finish. Max. "" Dia. "" 5.5 (.6) 8.5 (.) UCFG---/9 DIMENSIONS IN MILLIMETRES (INCHES) to (.5 to.55) Fine Stroke (.6) Reversed Free Flow Outlet Port (.) (.9) 9(.5) 8(.) Stroke (.6) Throttle Stroke 5(.) 57.5(.6) (.87) (.79) 8(.7) Dia. Roller angle to Revolution Indicator 5 (.97) 5 (.5) 6 (.6) 5 (5.9) (.8) Hex. Soc..5 (.96) 6 (.).5(.) 6 (.) Two Locating Pins 6(.) Dia. Controlled Flow Outlet or Reversed Free Flow Inlet Port Fine Flow djustment Handle 6(.8) Dia. (.9) (.79) 7 (.85) 65 (.56) 8 (.) 85 (.5) (.8) 7 (6.69) 9 (7.8) (.) Dia. Through 7.5(.69) Dia. Spotface Places Flow djustment Handle 6(.8) Dia. 5 (.) 55 (.7) 69 (.7) (.8) (s Furnished) Max. "" Dia. "" 8 (.7) Mounting surface should have a good machined finish. 5.5 (.6) 8.5 (.)
6 FLOW CONTROLS UCFG--* - * - * -/ D Item of Parts Part Numbers Qty. Remarks SO-N-P SO-N-P7 SO-N-P SO-N-P SO-N-P SO-N-P SO-N-P6 SO-N-P5 Included in Seal Kit Kit No: KS-UCFG-- Section - Used only for external drain types (UCFG-- - -E- ). UCFG--* - * -/ Section Section - Item of Parts Part Numbers Qty. Remarks SO-N-P SO-N-P SO-N-P SO-N-P SO-N-P SO-N-P6 SO-N-P8 SO-N-P6 Included in Seal Kit Kit No: KS-UCFG-- Used only for external drain types (UCFG-- -E- ).
7 UCFG--* - * -/ Item of Parts Part Numbers Qty ack Up Ring SO-N-P SO-N-P6 SO-N-P SO-N-P SO-N-P SO--P SO-N-P SO-N-P6 SO-N-P Section - List of Seal Kits Valve UCFG-- - UCFG-- -E- Section - Seal Kit Numbers KS-UCFG-- KS-UCFG--E-. Used only for external drain types (UCFG-- -E- ).. Used only for internal drain types (UCFG-- - ). Note: When ordering the seals, please specify the seal kit number from the table above. UCFG---/9 UCFG---/ Item of Parts Part Numbers ack Up Ring List of Seal Kits Valve UCFG- UCFG- SO-N-P SO--P SO-N-P SO-N-P SO-N-P SO-N-P SO-N-P8 SO-N-P SO-N-P8 SO-N-P SO-N-G5 SO-N-P Seal Kit Numbers KS-UCFG-- KS-UCFG-- UCFG Quantity UCFG Note: When ordering the seals, please specify the seal kit number from the table below Section - Section -
Max. Reversed Free Flow L/min
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