• |
  • Request a quote
English
English
RMF Hydraulic Pump Co., Ltd.

RMF Hydraulic Pump Co., Ltd.

 Rexroth PRESSURE RELIEF VALVE   Yuken Piston pump   Rexroth Vane pump  
  • Home
  • Stock Categories
    • Rexroth PRESSURE RELIEF VALVE
    • Yuken Piston pump
    • Rexroth Vane pump
    • PAKER Piston Pump
    • Rexroth check valve
    • Yuken single Vane pump
    • Rexroth THROTTLE VALVE
    • Danfoss Shut-off valves
    • Yuken pressure valve
    • Rexroth Piston Pump
    • DENISON vane pump
    • Rexroth Solenoid directional valve
    • Yuken Double Vane pump
    • BOSCH injector
    • DEUTZ injector
    • COMMON RAIL injector
    • Eaton Vickers ydraulic Pump
    • For Komatsu
    • For Rexroth
    • Gear Pump
    • Hydraulic Motor
    • Kawasaki ydraulic Pump
    • Original Hydraulic Pump
    • Parker Denison ydraulic Pump
    • Piston Pump
    • Replacement for CAT
    • Sauer ydraulic Pump
    • Vane Pump
    • Water Pump
    • Yuken Hydraulic Pump
  • Technical Articles
  • Rexroth PRESSURE RELIEF VALVE
  • Yuken Piston pump
  • Rexroth Vane pump
✖

Home

Stock Categories

Technical Articles

Rexroth PRESSURE RELIEF VALVE

Yuken Piston pump

Rexroth Vane pump

Home>Products>Yuken pressure valve>Yuken MHB-03-*-20 pressure valve

  • Yuken MHB-03-*-20 pressure valve
  • Yuken MHB-03-*-20 pressure valve
  • Yuken MHB-03-*-20 pressure valve
  • Yuken MHB-03-*-20 pressure valve

Yuken MHB-03-*-20 MODELS

Need a CAD or 3D Model?

Contact NowWhatsAppBe Our Agent

Yuken MHB-03-*-20 pressure valve

category

Yuken pressure valve

Yuken MHB-03-*-20 SPECIFICATIONS

  • Yuken MHB-03-*-20 pressure valve Needs Analysis , Yuken pressure valve Manufacturing Service . Get Your Tapered hole adapter Bearing Inner Dia. Shape Free.

  • Yuken

  • MHB-03-*-20

  • 45.0 LB
  • Flange Mount
  • Left Hand (CCW)
  • 2.8
  • 2.5
  • Flange
  • N/A
  • Standard Pilot
RMF Hydraulic Pump Co., Ltd.

RMF Hydraulic Pump Co., Ltd.China

  • RMF Hydraulic Pump Co., Ltd.2020-07-10 09:46:19
    Welcome to my shop! Glad to serve you! Please send your question!
Price Inspection Certificate Product Specifications Company Profile

Dimensions Yuken MHB-03-*-20 pressure valve

  • 0.875 in
  • 13 Tooth Splined
  • 2520VQ
  • 1 3/8 in
  • Double
  • Buna-N
  • 2700
  • 0.715 in
  • SAE B, 2 Bolt
  • Single Shaft Seal
  • 16/32
  • 2700
  • 2700
  • N/A
  • 14 gal/min @ 1200 rpm, 21 gal/min @ 1800 rpm
  • 0.873 in
  • 0.872 in
  • N/A
  • N/A
  • N/A
  • 14 gal/min @ 1200 rpm, 21 gal/min @ 1800 rpm
  • 2520VQ14E14-11CC20-LH
  • 2000
  • 3000
  • 21
  • 21
  • w/o Integral Valves
  • Outlet 45° CW from Inlet
  • Outlet Inline w/Inlet
  • 1 1/16 in SAE O-Ring
  • 1 in Flange
  • 2.8

Yuken MHB-03-*-20 Specification details Yuken MHB-03-*-20 pressure valve

 

Yuken DSHG-06 pressure valveCover End Pressure [Max:45.0 LB; Major Diameter [Max:Flange Mount; Max. RPM [Max:Left Hand (CCW); GPM @ 1,800 rpm, Shaft End:2520VQ14E14-11CC20-LH; Port Size:2.5; Seal Material:Flange; Spline Description:N/A; Mounting:Standard Pilot; Port Type:0.875 in; Pilot Type:13 Tooth Splined; Pump Series:2520VQ; Shaft Length:1 3/8 in; Configuration:Double; Seal Material:Buna-N; Max. RPM [Max:2700; Minor Diameter:0.715 in; Mounting Flange:SAE B, 2 Bolt; Shaft Seal Type:Single Shaft Seal; Spline Description:16/32; Cover End RPM [Max:2700; Shaft End RPM [Max:2700; Controlled Flow Rate:N/A; Cover End Flow @ RPM:14 gal/min @ 1200 rpm, 21 gal/min @ 1800 rpm; Major Diameter [Max:0.873 in; Major Diameter [Min:0.872 in; Minor Diameter [Max:N/A; Minor Diameter [Min:N/A; Relief Valve Setting:N/A; Shaft End Flow @ RPM:14 gal/min @ 1200 rpm, 21 gal/min @ 1800 rpm; Manufacturer Part No.:2520VQ14E14-11CC20-LH; Cover End Pressure [Max:2000; Shaft End Pressure [Max:3000; GPM @ 1,800 rpm, Cover End:21; GPM @ 1,800 rpm, Shaft End:21; Integral Valve Configuration:w/o Integral Valves; Port Orientation - Cover End:Outlet 45° CW from Inlet; Port Orientation - Shaft End:Outlet Inline w/Inlet; Pressure Port Size, Cover End:1 1/16 in SAE O-Ring; Pressure Port Size, Shaft End:1 in Flange; Displacement Cover End (cu in/revolution):2.8; Displacement Shaft End (cu in/revolution):2.8;
Yuken DSHG-10 pressure valveSeal Material:45.0 LB; Cover End Flow @ RPM:Flange Mount; Max. RPM [Max:Left Hand (CCW); Port Orientation - Shaft End:2520VQ14E14-11CC20-LH; Controlled Flow Rate:2.5; Cover End Pressure [Max:Flange; Pilot Type:N/A; Integral Valve Configuration:Standard Pilot; Rotation:0.875 in; Shaft Key:13 Tooth Splined; Pump Series:2520VQ; Shaft Length:1 3/8 in; Configuration:Double; Seal Material:Buna-N; Max. RPM [Max:2700; Minor Diameter:0.715 in; Mounting Flange:SAE B, 2 Bolt; Shaft Seal Type:Single Shaft Seal; Spline Description:16/32; Cover End RPM [Max:2700; Shaft End RPM [Max:2700; Controlled Flow Rate:N/A; Cover End Flow @ RPM:14 gal/min @ 1200 rpm, 21 gal/min @ 1800 rpm; Major Diameter [Max:0.873 in; Major Diameter [Min:0.872 in; Minor Diameter [Max:N/A; Minor Diameter [Min:N/A; Relief Valve Setting:N/A; Shaft End Flow @ RPM:14 gal/min @ 1200 rpm, 21 gal/min @ 1800 rpm; Manufacturer Part No.:2520VQ14E14-11CC20-LH; Cover End Pressure [Max:2000; Shaft End Pressure [Max:3000; GPM @ 1,800 rpm, Cover End:21; GPM @ 1,800 rpm, Shaft End:21; Integral Valve Configuration:w/o Integral Valves; Port Orientation - Cover End:Outlet 45° CW from Inlet; Port Orientation - Shaft End:Outlet Inline w/Inlet; Pressure Port Size, Cover End:1 1/16 in SAE O-Ring; Pressure Port Size, Shaft End:1 in Flange; Displacement Cover End (cu in/revolution):2.8; Displacement Shaft End (cu in/revolution):2.8;
Yuken BSG-06-2B*-46 pressure valveShaft Dia.:45.0 LB; Cover End Flow @ RPM:Flange Mount; Relief Valve Setting:Left Hand (CCW); Minor Diameter [Max:2520VQ14E14-11CC20-LH; Shaft End Flow @ RPM:2.5; Seal Material:Flange; Port Orientation - Cover End:N/A; Pressure Port Size, Cover End:Standard Pilot; Shaft End RPM [Max:0.875 in; Weight:13 Tooth Splined; Pump Series:2520VQ; Shaft Length:1 3/8 in; Configuration:Double; Seal Material:Buna-N; Max. RPM [Max:2700; Minor Diameter:0.715 in; Mounting Flange:SAE B, 2 Bolt; Shaft Seal Type:Single Shaft Seal; Spline Description:16/32; Cover End RPM [Max:2700; Shaft End RPM [Max:2700; Controlled Flow Rate:N/A; Cover End Flow @ RPM:14 gal/min @ 1200 rpm, 21 gal/min @ 1800 rpm; Major Diameter [Max:0.873 in; Major Diameter [Min:0.872 in; Minor Diameter [Max:N/A; Minor Diameter [Min:N/A; Relief Valve Setting:N/A; Shaft End Flow @ RPM:14 gal/min @ 1200 rpm, 21 gal/min @ 1800 rpm; Manufacturer Part No.:2520VQ14E14-11CC20-LH; Cover End Pressure [Max:2000; Shaft End Pressure [Max:3000; GPM @ 1,800 rpm, Cover End:21; GPM @ 1,800 rpm, Shaft End:21; Integral Valve Configuration:w/o Integral Valves; Port Orientation - Cover End:Outlet 45° CW from Inlet; Port Orientation - Shaft End:Outlet Inline w/Inlet; Pressure Port Size, Cover End:1 1/16 in SAE O-Ring; Pressure Port Size, Shaft End:1 in Flange; Displacement Cover End (cu in/revolution):2.8; Displacement Shaft End (cu in/revolution):2.8;
Yuken DSG-03 pressure valvePort Orientation - Cover End:45.0 LB; Displacement Shaft End (cu in/revolution):Flange Mount; Seal Material:Left Hand (CCW); Pilot Type:2520VQ14E14-11CC20-LH; Port Type:2.5; Integral Valve Configuration:Flange; Pressure Port Size, Cover End:N/A; Port Orientation - Shaft End:Standard Pilot; Mounting Flange:0.875 in; Rotation:13 Tooth Splined; Pump Series:2520VQ; Shaft Length:1 3/8 in; Configuration:Double; Seal Material:Buna-N; Max. RPM [Max:2700; Minor Diameter:0.715 in; Mounting Flange:SAE B, 2 Bolt; Shaft Seal Type:Single Shaft Seal; Spline Description:16/32; Cover End RPM [Max:2700; Shaft End RPM [Max:2700; Controlled Flow Rate:N/A; Cover End Flow @ RPM:14 gal/min @ 1200 rpm, 21 gal/min @ 1800 rpm; Major Diameter [Max:0.873 in; Major Diameter [Min:0.872 in; Minor Diameter [Max:N/A; Minor Diameter [Min:N/A; Relief Valve Setting:N/A; Shaft End Flow @ RPM:14 gal/min @ 1200 rpm, 21 gal/min @ 1800 rpm; Manufacturer Part No.:2520VQ14E14-11CC20-LH; Cover End Pressure [Max:2000; Shaft End Pressure [Max:3000; GPM @ 1,800 rpm, Cover End:21; GPM @ 1,800 rpm, Shaft End:21; Integral Valve Configuration:w/o Integral Valves; Port Orientation - Cover End:Outlet 45° CW from Inlet; Port Orientation - Shaft End:Outlet Inline w/Inlet; Pressure Port Size, Cover End:1 1/16 in SAE O-Ring; Pressure Port Size, Shaft End:1 in Flange; Displacement Cover End (cu in/revolution):2.8; Displacement Shaft End (cu in/revolution):2.8;
Yuken DSHG-03 pressure valveMinor Diameter:45.0 LB; Rotation:Flange Mount; Model No.:Left Hand (CCW); Shaft End Flow @ RPM:2520VQ14E14-11CC20-LH; Displacement Cover End (cu in/revolution):2.5; Shaft Key:Flange; Port Size:N/A; Integral Valve Configuration:Standard Pilot; Relief Valve Setting:0.875 in; Port Type:13 Tooth Splined; Pump Series:2520VQ; Shaft Length:1 3/8 in; Configuration:Double; Seal Material:Buna-N; Max. RPM [Max:2700; Minor Diameter:0.715 in; Mounting Flange:SAE B, 2 Bolt; Shaft Seal Type:Single Shaft Seal; Spline Description:16/32; Cover End RPM [Max:2700; Shaft End RPM [Max:2700; Controlled Flow Rate:N/A; Cover End Flow @ RPM:14 gal/min @ 1200 rpm, 21 gal/min @ 1800 rpm; Major Diameter [Max:0.873 in; Major Diameter [Min:0.872 in; Minor Diameter [Max:N/A; Minor Diameter [Min:N/A; Relief Valve Setting:N/A; Shaft End Flow @ RPM:14 gal/min @ 1200 rpm, 21 gal/min @ 1800 rpm; Manufacturer Part No.:2520VQ14E14-11CC20-LH; Cover End Pressure [Max:2000; Shaft End Pressure [Max:3000; GPM @ 1,800 rpm, Cover End:21; GPM @ 1,800 rpm, Shaft End:21; Integral Valve Configuration:w/o Integral Valves; Port Orientation - Cover End:Outlet 45° CW from Inlet; Port Orientation - Shaft End:Outlet Inline w/Inlet; Pressure Port Size, Cover End:1 1/16 in SAE O-Ring; Pressure Port Size, Shaft End:1 in Flange; Displacement Cover End (cu in/revolution):2.8; Displacement Shaft End (cu in/revolution):2.8;
Yuken MPW-03-*-20 pressure valveCover End RPM [Max:45.0 LB; Pressure Port Size, Shaft End:Flange Mount; Manufacturer Part No.:Left Hand (CCW); Shaft End Flow @ RPM:2520VQ14E14-11CC20-LH; Shaft End RPM [Max:2.5; Cover End Pressure [Max:Flange; Major Diameter [Min:N/A; Mounting:Standard Pilot; Relief Valve Setting:0.875 in; Minor Diameter [Max:13 Tooth Splined; Pump Series:2520VQ; Shaft Length:1 3/8 in; Configuration:Double; Seal Material:Buna-N; Max. RPM [Max:2700; Minor Diameter:0.715 in; Mounting Flange:SAE B, 2 Bolt; Shaft Seal Type:Single Shaft Seal; Spline Description:16/32; Cover End RPM [Max:2700; Shaft End RPM [Max:2700; Controlled Flow Rate:N/A; Cover End Flow @ RPM:14 gal/min @ 1200 rpm, 21 gal/min @ 1800 rpm; Major Diameter [Max:0.873 in; Major Diameter [Min:0.872 in; Minor Diameter [Max:N/A; Minor Diameter [Min:N/A; Relief Valve Setting:N/A; Shaft End Flow @ RPM:14 gal/min @ 1200 rpm, 21 gal/min @ 1800 rpm; Manufacturer Part No.:2520VQ14E14-11CC20-LH; Cover End Pressure [Max:2000; Shaft End Pressure [Max:3000; GPM @ 1,800 rpm, Cover End:21; GPM @ 1,800 rpm, Shaft End:21; Integral Valve Configuration:w/o Integral Valves; Port Orientation - Cover End:Outlet 45° CW from Inlet; Port Orientation - Shaft End:Outlet Inline w/Inlet; Pressure Port Size, Cover End:1 1/16 in SAE O-Ring; Pressure Port Size, Shaft End:1 in Flange; Displacement Cover End (cu in/revolution):2.8; Displacement Shaft End (cu in/revolution):2.8;
Yuken FG-06 pressure valveManufacturer Part No.:45.0 LB; Shaft End Pressure [Max:Flange Mount; Shaft Seal Type:Left Hand (CCW); Displacement Shaft End (cu in/revolution):2520VQ14E14-11CC20-LH; Major Diameter [Max:2.5; Port Size:Flange; Shaft End Flow @ RPM:N/A; Shaft Key:Standard Pilot; Port Orientation - Cover End:0.875 in; Model No.:13 Tooth Splined; Pump Series:2520VQ; Shaft Length:1 3/8 in; Configuration:Double; Seal Material:Buna-N; Max. RPM [Max:2700; Minor Diameter:0.715 in; Mounting Flange:SAE B, 2 Bolt; Shaft Seal Type:Single Shaft Seal; Spline Description:16/32; Cover End RPM [Max:2700; Shaft End RPM [Max:2700; Controlled Flow Rate:N/A; Cover End Flow @ RPM:14 gal/min @ 1200 rpm, 21 gal/min @ 1800 rpm; Major Diameter [Max:0.873 in; Major Diameter [Min:0.872 in; Minor Diameter [Max:N/A; Minor Diameter [Min:N/A; Relief Valve Setting:N/A; Shaft End Flow @ RPM:14 gal/min @ 1200 rpm, 21 gal/min @ 1800 rpm; Manufacturer Part No.:2520VQ14E14-11CC20-LH; Cover End Pressure [Max:2000; Shaft End Pressure [Max:3000; GPM @ 1,800 rpm, Cover End:21; GPM @ 1,800 rpm, Shaft End:21; Integral Valve Configuration:w/o Integral Valves; Port Orientation - Cover End:Outlet 45° CW from Inlet; Port Orientation - Shaft End:Outlet Inline w/Inlet; Pressure Port Size, Cover End:1 1/16 in SAE O-Ring; Pressure Port Size, Shaft End:1 in Flange; Displacement Cover End (cu in/revolution):2.8; Displacement Shaft End (cu in/revolution):2.8;
Yuken DSHG-04 pressure valveManufacturer Part No.:45.0 LB; Minor Diameter:Flange Mount; Shaft Dia.:Left Hand (CCW); Cover End Flow @ RPM:2520VQ14E14-11CC20-LH; Cover End Pressure [Max:2.5; Shaft End Pressure [Max:Flange; Model No.:N/A; Mounting:Standard Pilot; Shaft Key:0.875 in; Shaft End Flow @ RPM:13 Tooth Splined; Pump Series:2520VQ; Shaft Length:1 3/8 in; Configuration:Double; Seal Material:Buna-N; Max. RPM [Max:2700; Minor Diameter:0.715 in; Mounting Flange:SAE B, 2 Bolt; Shaft Seal Type:Single Shaft Seal; Spline Description:16/32; Cover End RPM [Max:2700; Shaft End RPM [Max:2700; Controlled Flow Rate:N/A; Cover End Flow @ RPM:14 gal/min @ 1200 rpm, 21 gal/min @ 1800 rpm; Major Diameter [Max:0.873 in; Major Diameter [Min:0.872 in; Minor Diameter [Max:N/A; Minor Diameter [Min:N/A; Relief Valve Setting:N/A; Shaft End Flow @ RPM:14 gal/min @ 1200 rpm, 21 gal/min @ 1800 rpm; Manufacturer Part No.:2520VQ14E14-11CC20-LH; Cover End Pressure [Max:2000; Shaft End Pressure [Max:3000; GPM @ 1,800 rpm, Cover End:21; GPM @ 1,800 rpm, Shaft End:21; Integral Valve Configuration:w/o Integral Valves; Port Orientation - Cover End:Outlet 45° CW from Inlet; Port Orientation - Shaft End:Outlet Inline w/Inlet; Pressure Port Size, Cover End:1 1/16 in SAE O-Ring; Pressure Port Size, Shaft End:1 in Flange; Displacement Cover End (cu in/revolution):2.8; Displacement Shaft End (cu in/revolution):2.8;

 

Yuken hydraulic pressure control valves - relief valves, pilot

DT-01-2290 - Relief Valve Rem. Control. Yuken DT series Direct Type Relief Valves. Adjusts maximum pressure and prevents damage caused by excess pressure 

YUKEN Hydraulic Equipment

Valve Type. Maximum. Operating. Pressure. Graphic Symbols. MPa. (PSI). Remote Cont. Relief Valves. Direct Type. Relief Valves. Pilot Operated. Relief Valves

Pressure Contorl Valves | Yuken

Pressure Control. vane pumps. Remote Control Relief Valve. Download PDF. vane pumps. Pilot Operated Relief Valve. Download PDF. vane pumps. Hydro- 

YUKEN Hydraulic Equipment

Valve Type. Maximum. Operating. Pressure. Graphic Symbols. MPa. (PSI). Remote Cont. Relief Valves. Direct Type. Relief Valves. Pilot Operated. Relief Valves

Yuken hydraulic pressure control valves - relief valves, pilot

DT-01-2290 - Relief Valve Rem. Control. Yuken DT series Direct Type Relief Valves. Adjusts maximum pressure and prevents damage caused by excess pressure 

 

Yuken MHB-03-*-20 pressure valve Video

 

Contact Us

RMF Hydraulic Pump Co., Ltd.
Address9015 Winona Avenue, Schiller Park, lL 60176, U.S.A.
  • RMF Hydraulic Pump Co., Ltd.
    • Quick question Quick question I'm very interested in your products; could you send me some detail reference information? Please send me detail product specification, thank you! May I be an agency of your products,and what's yourterms? We intend to purchase this product, would you please send me the quotation and minimum order quantity?
     This feature is Quick question function, select the corresponding question types, automatically enter the corresponding problem, remove your trouble of typing
Send Now

Yuken MHB-03-*-20 Technical Articles

How do I know what size hydraulic pump I need?
Hydraulic Pump Volume Capacity - Engineering ToolBoxCalculate hydraulic pump volume capacity · 1 gpm (US) =6.30888x10-5 m3/s = 0.227 m3/h = 0.06309 dm3(litre)/s = 2.228x10-3 ft3/s = 0.1337 ft3/min = 0.8327 gpm  Hydraulic Pump...
What does it mean when a pump is cavitating?
Cavitation Definition | Intro to PumpsCavitation occurs at the inlet of a pump impeller when small bubbles rapidly and pump operators notice the sound of cavitation within a pump they should act  Understanding and avoiding pump cavitation | PI...
What is the most efficient hydraulic pump?
Maximizing Hydraulic Efficiency - Design EngineeringThis type of circuit offers one of the most efficient hydraulic circuits possible. In a typical closed loop circuit, there are two pumps: The main loop pump that  What hydraulic pump type is...

Yuken pressure valve CATEGORIES

  • Rexroth PRESSURE RELIEF VALVE
  • Yuken Piston pump
  • Rexroth Vane pump
  • PAKER Piston Pump
  • Rexroth check valve
  • Yuken single Vane pump
  • Rexroth THROTTLE VALVE
  • Danfoss Shut-off valves
  • Yuken pressure valve
  • Rexroth Piston Pump
  • DENISON vane pump
  • Rexroth Solenoid directional valve
  • Yuken Double Vane pump
  • BOSCH injector
  • DEUTZ injector
  • COMMON RAIL injector
  • Eaton Vickers ydraulic Pump
  • For Komatsu
  • For Rexroth
  • Gear Pump
  • Hydraulic Motor
  • Kawasaki ydraulic Pump
  • Original Hydraulic Pump
  • Parker Denison ydraulic Pump
  • Piston Pump
  • Replacement for CAT
  • Sauer ydraulic Pump
  • Vane Pump
  • Water Pump
  • Yuken Hydraulic Pump
MORE

Customers Who Viewed Yuken MHB-03-*-20 Also Viewed

  • Yuken DSHG-10 pressure valve
  • Yuken DSHG-06 pressure valve
  • Yuken DSHG-04 pressure valve
  • Yuken DSHG-03 pressure valve
  • Yuken DSG-03 pressure valve
 
  • About Us|
  • Contact Us|
  • Site Map
  • Sitemaps

RMF Hydraulic Pump Co., Ltd.. Copyright © 2017 - 2025 All Rights Reserved.

  • Home
  • Stock Categories
    • Rexroth PRESSURE RELIEF VALVE
    • Yuken Piston pump
    • Rexroth Vane pump
    • PAKER Piston Pump
    • Rexroth check valve
    • Yuken single Vane pump
    • Rexroth THROTTLE VALVE
    • Danfoss Shut-off valves
    • Yuken pressure valve
    • Rexroth Piston Pump
    • DENISON vane pump
    • Rexroth Solenoid directional valve
    • Yuken Double Vane pump
    • BOSCH injector
    • DEUTZ injector
    • COMMON RAIL injector
    • Eaton Vickers ydraulic Pump
    • For Komatsu
    • For Rexroth
    • Gear Pump
    • Hydraulic Motor
    • Kawasaki ydraulic Pump
    • Original Hydraulic Pump
    • Parker Denison ydraulic Pump
    • Piston Pump
    • Replacement for CAT
    • Sauer ydraulic Pump
    • Vane Pump
    • Water Pump
    • Yuken Hydraulic Pump
  • Technical Articles
  • Rexroth PRESSURE RELIEF VALVE
  • Yuken Piston pump
  • Rexroth Vane pump
✖

Home

Stock Categories

Technical Articles

Rexroth PRESSURE RELIEF VALVE

Yuken Piston pump

Rexroth Vane pump

Contact Us