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

FAQ Hydraulic Pump Co., Ltd.

 DENISON vane pump   Yuken Double Vane pump   Rexroth PRESSURE RELIEF VALVE  
  • Home
  • Stock Categories
    • DENISON vane pump
    • Yuken Double Vane pump
    • Rexroth PRESSURE RELIEF VALVE
    • Rexroth THROTTLE VALVE
    • Danfoss Shut-off valves
    • Rexroth Piston Pump
    • Rexroth check valve
    • Yuken single Vane pump
    • Rexroth Solenoid directional valve
    • Rexroth Vane pump
    • Yuken pressure valve
    • Yuken Piston pump
    • PAKER Piston Pump
    • CAT injector
    • BOSCH injector
    • CUMMINS injector
    • COMMON RAIL injector
    • Denison Vane Pumps
    • High Pressure Vane Pump
    • Hydraulic Gear Pump
    • Hydraulic Piston Pump
    • Hydraulic Vane Motor
    • Hydraulic Vane Pump
    • Industrial Vane Pump
    • Tokimec Vane Pump
    • Vickers Vane Pump
    • Yuken Vane Pump
  • Technical Articles
  • DENISON vane pump
  • Yuken Double Vane pump
  • Rexroth PRESSURE RELIEF VALVE
✖

Home

Stock Categories

Technical Articles

DENISON vane pump

Yuken Double Vane pump

Rexroth PRESSURE RELIEF VALVE

Home>Products>Rexroth check valve>Rexroth SL20GB1-4X/ check valve

  • Rexroth SL20GB1-4X/ check valve
  • Rexroth SL20GB1-4X/ check valve
  • Rexroth SL20GB1-4X/ check valve
  • Rexroth SL20GB1-4X/ check valve

Rexroth SL20GB1-4X/ MODELS

Need a CAD or 3D Model?

Contact NowWhatsAppBe Our Agent

Rexroth SL20GB1-4X/ check valve

category

Rexroth check valve

Rexroth SL20GB1-4X/ SPECIFICATIONS

  • 170 Million used Rexroth SL20GB1-4X/ check valve instantly searchable. FAQ Hydraulic Pump Co., Ltd. Shop our N/A Minimum Buy Quantity large 0.0 Inventory selection of parts based on brand, price, description, and location. Order the Rexroth check valve with stock ...

  • Rexroth

  • SL20GB1-4X/

  • 75.0 LB
  • Flange Mount
  • Left Hand (CCW)
  • 3520VQ25A11-11CC20-LH
  • 3
  • Flange
  • N/A
  • Standard Pilot
FAQ Hydraulic Pump Co., Ltd.

FAQ Hydraulic Pump Co., Ltd.China

  • FAQ 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

Rexroth SL20GB1-4X/ check valve Specification details

  • 1.25 in
  • 14 Tooth Splined
  • 3520VQ
  • 1 15/16 in
  • Double
  • Buna-N
  • 5
  • 1.04 in
  • SAE C, 2 Bolt
  • Single Shaft Seal
  • 12/24
  • 2500
  • 2500
  • N/A
  • 11 gal/min @ 1200 rpm, 16.5 gal/min @ 1800 rpm
  • 1.248 in
  • 1.247 in
  • N/A
  • N/A
  • N/A
  • 25 gal/min @ 1200 rpm, 37.5 gal/min @ 1800 rpm
  • 3520VQ25A11-11CC20-LH
  • 3000
  • 3000
  • 16.5
  • 37.5
  • w/o Integral Valves
  • Outlet 45° CW from Inlet
  • Outlet Inline w/Inlet
  • 3/4 in Flange
  • 1 1/4 in Flange
  • 2.2

Rexroth SL20GB1-4X/ Rexroth SL20GB1-4X/ check valve Specification

 

Rexroth 4WMM6G.M.T.U.R.F.P.Q.W.L.5X/ check valveShaft Seal Type:75.0 LB; Manufacturer Part No.:Flange Mount; Weight:Left Hand (CCW); Cover End RPM [Max:3520VQ25A11-11CC20-LH; Shaft End Pressure [Max:3; Seal Material:Flange; Model No.:N/A; Cover End Flow @ RPM:Standard Pilot; Minor Diameter [Min:1.25 in; Shaft Key:14 Tooth Splined; Pump Series:3520VQ; Shaft Length:1 15/16 in; Configuration:Double; Seal Material:Buna-N; Max. RPM [Max:2500; Minor Diameter:1.04 in; Mounting Flange:SAE C, 2 Bolt; Shaft Seal Type:Single Shaft Seal; Spline Description:12/24; Cover End RPM [Max:2500; Shaft End RPM [Max:2500; Controlled Flow Rate:N/A; Cover End Flow @ RPM:11 gal/min @ 1200 rpm, 16.5 gal/min @ 1800 rpm; Major Diameter [Max:1.248 in; Major Diameter [Min:1.247 in; Minor Diameter [Max:N/A; Minor Diameter [Min:N/A; Relief Valve Setting:N/A; Shaft End Flow @ RPM:25 gal/min @ 1200 rpm, 37.5 gal/min @ 1800 rpm; Manufacturer Part No.:3520VQ25A11-11CC20-LH; Cover End Pressure [Max:3000; Shaft End Pressure [Max:3000; GPM @ 1,800 rpm, Cover End:16.5; GPM @ 1,800 rpm, Shaft End:37.5; 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:3/4 in Flange; Pressure Port Size, Shaft End:1 1/4 in Flange; Displacement Cover End (cu in/revolution):2.2; Displacement Shaft End (cu in/revolution):5;
Rexroth S30A check valveRelief Valve Setting:75.0 LB; Mounting Flange:Flange Mount; Controlled Flow Rate:Left Hand (CCW); Weight:3520VQ25A11-11CC20-LH; Major Diameter [Min:3; Shaft Length:Flange; Model No.:N/A; Shaft End Flow @ RPM:Standard Pilot; Minor Diameter [Min:1.25 in; GPM @ 1,800 rpm, Cover End:14 Tooth Splined; Pump Series:3520VQ; Shaft Length:1 15/16 in; Configuration:Double; Seal Material:Buna-N; Max. RPM [Max:2500; Minor Diameter:1.04 in; Mounting Flange:SAE C, 2 Bolt; Shaft Seal Type:Single Shaft Seal; Spline Description:12/24; Cover End RPM [Max:2500; Shaft End RPM [Max:2500; Controlled Flow Rate:N/A; Cover End Flow @ RPM:11 gal/min @ 1200 rpm, 16.5 gal/min @ 1800 rpm; Major Diameter [Max:1.248 in; Major Diameter [Min:1.247 in; Minor Diameter [Max:N/A; Minor Diameter [Min:N/A; Relief Valve Setting:N/A; Shaft End Flow @ RPM:25 gal/min @ 1200 rpm, 37.5 gal/min @ 1800 rpm; Manufacturer Part No.:3520VQ25A11-11CC20-LH; Cover End Pressure [Max:3000; Shaft End Pressure [Max:3000; GPM @ 1,800 rpm, Cover End:16.5; GPM @ 1,800 rpm, Shaft End:37.5; 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:3/4 in Flange; Pressure Port Size, Shaft End:1 1/4 in Flange; Displacement Cover End (cu in/revolution):2.2; Displacement Shaft End (cu in/revolution):5;
Rexroth S15A check valveDisplacement Shaft End (cu in/revolution):75.0 LB; Minor Diameter [Min:Flange Mount; Spline Description:Left Hand (CCW); Cover End Pressure [Max:3520VQ25A11-11CC20-LH; Pressure Port Size, Shaft End:3; Port Type:Flange; Cover End Flow @ RPM:N/A; Minor Diameter:Standard Pilot; Shaft End RPM [Max:1.25 in; Shaft End Flow @ RPM:14 Tooth Splined; Pump Series:3520VQ; Shaft Length:1 15/16 in; Configuration:Double; Seal Material:Buna-N; Max. RPM [Max:2500; Minor Diameter:1.04 in; Mounting Flange:SAE C, 2 Bolt; Shaft Seal Type:Single Shaft Seal; Spline Description:12/24; Cover End RPM [Max:2500; Shaft End RPM [Max:2500; Controlled Flow Rate:N/A; Cover End Flow @ RPM:11 gal/min @ 1200 rpm, 16.5 gal/min @ 1800 rpm; Major Diameter [Max:1.248 in; Major Diameter [Min:1.247 in; Minor Diameter [Max:N/A; Minor Diameter [Min:N/A; Relief Valve Setting:N/A; Shaft End Flow @ RPM:25 gal/min @ 1200 rpm, 37.5 gal/min @ 1800 rpm; Manufacturer Part No.:3520VQ25A11-11CC20-LH; Cover End Pressure [Max:3000; Shaft End Pressure [Max:3000; GPM @ 1,800 rpm, Cover End:16.5; GPM @ 1,800 rpm, Shaft End:37.5; 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:3/4 in Flange; Pressure Port Size, Shaft End:1 1/4 in Flange; Displacement Cover End (cu in/revolution):2.2; Displacement Shaft End (cu in/revolution):5;
Rexroth S10A check valvePort Type:75.0 LB; Pressure Port Size, Shaft End:Flange Mount; Manufacturer Part No.:Left Hand (CCW); Shaft Type:3520VQ25A11-11CC20-LH; Seal Material:3; Pilot Type:Flange; Minor Diameter:N/A; Controlled Flow Rate:Standard Pilot; Shaft End Flow @ RPM:1.25 in; Port Size:14 Tooth Splined; Pump Series:3520VQ; Shaft Length:1 15/16 in; Configuration:Double; Seal Material:Buna-N; Max. RPM [Max:2500; Minor Diameter:1.04 in; Mounting Flange:SAE C, 2 Bolt; Shaft Seal Type:Single Shaft Seal; Spline Description:12/24; Cover End RPM [Max:2500; Shaft End RPM [Max:2500; Controlled Flow Rate:N/A; Cover End Flow @ RPM:11 gal/min @ 1200 rpm, 16.5 gal/min @ 1800 rpm; Major Diameter [Max:1.248 in; Major Diameter [Min:1.247 in; Minor Diameter [Max:N/A; Minor Diameter [Min:N/A; Relief Valve Setting:N/A; Shaft End Flow @ RPM:25 gal/min @ 1200 rpm, 37.5 gal/min @ 1800 rpm; Manufacturer Part No.:3520VQ25A11-11CC20-LH; Cover End Pressure [Max:3000; Shaft End Pressure [Max:3000; GPM @ 1,800 rpm, Cover End:16.5; GPM @ 1,800 rpm, Shaft End:37.5; 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:3/4 in Flange; Pressure Port Size, Shaft End:1 1/4 in Flange; Displacement Cover End (cu in/revolution):2.2; Displacement Shaft End (cu in/revolution):5;
Rexroth 4WMM6......./V check valveShaft End Pressure [Max:75.0 LB; Seal Material:Flange Mount; Port Orientation - Cover End:Left Hand (CCW); Major Diameter [Min:3520VQ25A11-11CC20-LH; GPM @ 1,800 rpm, Shaft End:3; Pressure Port Size, Shaft End:Flange; Model No.:N/A; Port Type:Standard Pilot; Shaft Length:1.25 in; Integral Valve Configuration:14 Tooth Splined; Pump Series:3520VQ; Shaft Length:1 15/16 in; Configuration:Double; Seal Material:Buna-N; Max. RPM [Max:2500; Minor Diameter:1.04 in; Mounting Flange:SAE C, 2 Bolt; Shaft Seal Type:Single Shaft Seal; Spline Description:12/24; Cover End RPM [Max:2500; Shaft End RPM [Max:2500; Controlled Flow Rate:N/A; Cover End Flow @ RPM:11 gal/min @ 1200 rpm, 16.5 gal/min @ 1800 rpm; Major Diameter [Max:1.248 in; Major Diameter [Min:1.247 in; Minor Diameter [Max:N/A; Minor Diameter [Min:N/A; Relief Valve Setting:N/A; Shaft End Flow @ RPM:25 gal/min @ 1200 rpm, 37.5 gal/min @ 1800 rpm; Manufacturer Part No.:3520VQ25A11-11CC20-LH; Cover End Pressure [Max:3000; Shaft End Pressure [Max:3000; GPM @ 1,800 rpm, Cover End:16.5; GPM @ 1,800 rpm, Shaft End:37.5; 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:3/4 in Flange; Pressure Port Size, Shaft End:1 1/4 in Flange; Displacement Cover End (cu in/revolution):2.2; Displacement Shaft End (cu in/revolution):5;
Rexroth WMM6.........5X/....../B10 B12 B15 check valveManufacturer Part No.:75.0 LB; Pressure Port Size, Shaft End:Flange Mount; Shaft Type:Left Hand (CCW); Model No.:3520VQ25A11-11CC20-LH; Port Type:3; Major Diameter [Min:Flange; Controlled Flow Rate:N/A; Spline Description:Standard Pilot; Shaft End Pressure [Max:1.25 in; Pressure Port Size, Cover End:14 Tooth Splined; Pump Series:3520VQ; Shaft Length:1 15/16 in; Configuration:Double; Seal Material:Buna-N; Max. RPM [Max:2500; Minor Diameter:1.04 in; Mounting Flange:SAE C, 2 Bolt; Shaft Seal Type:Single Shaft Seal; Spline Description:12/24; Cover End RPM [Max:2500; Shaft End RPM [Max:2500; Controlled Flow Rate:N/A; Cover End Flow @ RPM:11 gal/min @ 1200 rpm, 16.5 gal/min @ 1800 rpm; Major Diameter [Max:1.248 in; Major Diameter [Min:1.247 in; Minor Diameter [Max:N/A; Minor Diameter [Min:N/A; Relief Valve Setting:N/A; Shaft End Flow @ RPM:25 gal/min @ 1200 rpm, 37.5 gal/min @ 1800 rpm; Manufacturer Part No.:3520VQ25A11-11CC20-LH; Cover End Pressure [Max:3000; Shaft End Pressure [Max:3000; GPM @ 1,800 rpm, Cover End:16.5; GPM @ 1,800 rpm, Shaft End:37.5; 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:3/4 in Flange; Pressure Port Size, Shaft End:1 1/4 in Flange; Displacement Cover End (cu in/revolution):2.2; Displacement Shaft End (cu in/revolution):5;
Rexroth S20A check valveCover End RPM [Max:75.0 LB; Integral Valve Configuration:Flange Mount; Spline Description:Left Hand (CCW); Major Diameter [Min:3520VQ25A11-11CC20-LH; Shaft Dia.:3; Minor Diameter:Flange; Minor Diameter [Max:N/A; Manufacturer Part No.:Standard Pilot; Pilot Type:1.25 in; Port Orientation - Cover End:14 Tooth Splined; Pump Series:3520VQ; Shaft Length:1 15/16 in; Configuration:Double; Seal Material:Buna-N; Max. RPM [Max:2500; Minor Diameter:1.04 in; Mounting Flange:SAE C, 2 Bolt; Shaft Seal Type:Single Shaft Seal; Spline Description:12/24; Cover End RPM [Max:2500; Shaft End RPM [Max:2500; Controlled Flow Rate:N/A; Cover End Flow @ RPM:11 gal/min @ 1200 rpm, 16.5 gal/min @ 1800 rpm; Major Diameter [Max:1.248 in; Major Diameter [Min:1.247 in; Minor Diameter [Max:N/A; Minor Diameter [Min:N/A; Relief Valve Setting:N/A; Shaft End Flow @ RPM:25 gal/min @ 1200 rpm, 37.5 gal/min @ 1800 rpm; Manufacturer Part No.:3520VQ25A11-11CC20-LH; Cover End Pressure [Max:3000; Shaft End Pressure [Max:3000; GPM @ 1,800 rpm, Cover End:16.5; GPM @ 1,800 rpm, Shaft End:37.5; 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:3/4 in Flange; Pressure Port Size, Shaft End:1 1/4 in Flange; Displacement Cover End (cu in/revolution):2.2; Displacement Shaft End (cu in/revolution):5;
Rexroth S25A check valveMinor Diameter [Max:75.0 LB; GPM @ 1,800 rpm, Cover End:Flange Mount; Shaft Key:Left Hand (CCW); Mounting Flange:3520VQ25A11-11CC20-LH; Shaft Dia.:3; Major Diameter [Min:Flange; Displacement Cover End (cu in/revolution):N/A; Shaft Length:Standard Pilot; Cover End RPM [Max:1.25 in; Spline Description:14 Tooth Splined; Pump Series:3520VQ; Shaft Length:1 15/16 in; Configuration:Double; Seal Material:Buna-N; Max. RPM [Max:2500; Minor Diameter:1.04 in; Mounting Flange:SAE C, 2 Bolt; Shaft Seal Type:Single Shaft Seal; Spline Description:12/24; Cover End RPM [Max:2500; Shaft End RPM [Max:2500; Controlled Flow Rate:N/A; Cover End Flow @ RPM:11 gal/min @ 1200 rpm, 16.5 gal/min @ 1800 rpm; Major Diameter [Max:1.248 in; Major Diameter [Min:1.247 in; Minor Diameter [Max:N/A; Minor Diameter [Min:N/A; Relief Valve Setting:N/A; Shaft End Flow @ RPM:25 gal/min @ 1200 rpm, 37.5 gal/min @ 1800 rpm; Manufacturer Part No.:3520VQ25A11-11CC20-LH; Cover End Pressure [Max:3000; Shaft End Pressure [Max:3000; GPM @ 1,800 rpm, Cover End:16.5; GPM @ 1,800 rpm, Shaft End:37.5; 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:3/4 in Flange; Pressure Port Size, Shaft End:1 1/4 in Flange; Displacement Cover End (cu in/revolution):2.2; Displacement Shaft End (cu in/revolution):5;

 

Check valves | Bosch Rexroth AG

Check valve · Z1S 6. Size 6; Component series 4X; Maximum operating pressure 350 bar; Maximum flow 40 l/min. Data sheet · Operating Instructions

Check valves | Bosch Rexroth USA

Check valve · Z1S 6. Size 6; Component series 4X; Maximum operating pressure 5100 psi; Maximum flow 10.6 gpm. Data sheet · Operating Instructions

Check valve | Bosch Rexroth AG

Check valve. Z1S 10. Size 10; Component series 4X; Maximum operating pressure 350 bar; Maximum flow 100 l/min. Order 

Check valves, pilot operated | Bosch Rexroth AG

Check valves, pilot operated. Z2S 10. Size 10; Component series 3X; Maximum operating pressure 315 bar; Maximum flow 120 l/min. Order 

Check valve | Bosch Rexroth AG

Check valve. S6…S30 A..-1X/... Size 6 … 30; Component series 1X; Maximum operating pressure 450 bar; Maximum flow 450 l/min. Order 

 

Rexroth SL20GB1-4X/ check valve Video

 

Contact Us

FAQ Hydraulic Pump Co., Ltd.
AddressAl. Stanow Zjednoczonych 63A 04-028 Warsaw, Poland
  • FAQ 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

Rexroth SL20GB1-4X/ Technical Articles

How do you get air out of hydraulic system?
How To Deal With Air In Hydraulic Oil | Hydraulics & PneumaticsFree air - such as a pocket of air trapped in part of a system. As pointed out above, hydraulic oil can contain up to 12 percent dissolved air by volume. Certain  How to Bleed a...
What are 3 types of hydraulic pumps?
Types of Hydraulic Pumps - How to Repair Hydraulic pumpWhat Are the Different Types of Hydraulic Pumps? There are three main types of hydraulic pumps that you will encounter — piston pumps, vane pumps and gear  Engineering Essentials:...
What the difference between a hydraulic pump and motor?
What Is The Difference Between A Hydraulic Pump And AMar 23, 2020 — (1) In principle, the hydraulic motor and hydraulic pump are reversible. If driven Differences between hydraulic motors and hydraulic pumps: Fundamentals of Hydraulic Motors |...

Rexroth check valve CATEGORIES

  • DENISON vane pump
  • Yuken Double Vane pump
  • Rexroth PRESSURE RELIEF VALVE
  • Rexroth THROTTLE VALVE
  • Danfoss Shut-off valves
  • Rexroth Piston Pump
  • Rexroth check valve
  • Yuken single Vane pump
  • Rexroth Solenoid directional valve
  • Rexroth Vane pump
  • Yuken pressure valve
  • Yuken Piston pump
  • PAKER Piston Pump
  • CAT injector
  • BOSCH injector
  • CUMMINS injector
  • COMMON RAIL injector
  • Denison Vane Pumps
  • High Pressure Vane Pump
  • Hydraulic Gear Pump
  • Hydraulic Piston Pump
  • Hydraulic Vane Motor
  • Hydraulic Vane Pump
  • Industrial Vane Pump
  • Tokimec Vane Pump
  • Vickers Vane Pump
  • Yuken Vane Pump
MORE

Customers Who Viewed Rexroth SL20GB1-4X/ Also Viewed

  • Rexroth WMM6.........5X/....../B10 B12 B15 check valve
  • Rexroth 4WMM6......./V check valve
  • Rexroth 4WMM6G.M.T.U.R.F.P.Q.W.L.5X/ check valve
  • Rexroth 4WMM6E.J.H.5X/ check valve
  • Rexroth 4WMM6A.B.C.D.Y5X/ check valve
 
  • About Us|
  • Contact Us|
  • Site Map
  • Sitemaps

FAQ Hydraulic Pump Co., Ltd.. Copyright © 2017 - 2024 All Rights Reserved.

  • Home
  • Stock Categories
    • DENISON vane pump
    • Yuken Double Vane pump
    • Rexroth PRESSURE RELIEF VALVE
    • Rexroth THROTTLE VALVE
    • Danfoss Shut-off valves
    • Rexroth Piston Pump
    • Rexroth check valve
    • Yuken single Vane pump
    • Rexroth Solenoid directional valve
    • Rexroth Vane pump
    • Yuken pressure valve
    • Yuken Piston pump
    • PAKER Piston Pump
    • CAT injector
    • BOSCH injector
    • CUMMINS injector
    • COMMON RAIL injector
    • Denison Vane Pumps
    • High Pressure Vane Pump
    • Hydraulic Gear Pump
    • Hydraulic Piston Pump
    • Hydraulic Vane Motor
    • Hydraulic Vane Pump
    • Industrial Vane Pump
    • Tokimec Vane Pump
    • Vickers Vane Pump
    • Yuken Vane Pump
  • Technical Articles
  • DENISON vane pump
  • Yuken Double Vane pump
  • Rexroth PRESSURE RELIEF VALVE
✖

Home

Stock Categories

Technical Articles

DENISON vane pump

Yuken Double Vane pump

Rexroth PRESSURE RELIEF VALVE

Contact Us