![[YUKEN] — ST1004 Air Bleed Valve (Rc 3/8, 25 MPa)](https://img.prosourcemro.com/2026/05/002-173-1024x580.png)
Accessories
Yuken
[YUKEN] — ST1004 Air Bleed Valve (Rc 3/8, 25 MPa)
Family ID: YK-ST1004
Air Bleed Valves. Attached to the pump discharge side, the valve automatically discharges air that has entered the circuit. Connection bore Rc 3/8, maximum use pressure 25 MPa, blow-off pressure 0.15 MPa, cracking pressure 0.34 MPa. Three blow-off flow ratings (2 / 5 / 10 L/min) are selected according to the pump discharge rate.
3 product codes available in this family
Product Codes & Specifications
| Product Code | Description | Brand | Spec | ||
|---|---|---|---|---|---|
| ST1004-2-1002 | Air bleed valve, Rc 3/8, 25 MPa, blow-off 2 L/min (pump discharge under 20 L/min) | YUKEN | Type: Air Bleed Valve | Connection Bore: Rc 3/8 | Max Use Pressure: 25 MPa | Blow-off Pressure: 0.15 MPa | Cracking Pressure: 0.34 MPa | Blow-off Flow: 2 L/min | Application: pump discharge under 20 L/min | ||
| ST1004-5-10 | Air bleed valve, Rc 3/8, 25 MPa, blow-off 5 L/min (pump discharge 20-75 L/min) | YUKEN | Type: Air Bleed Valve | Connection Bore: Rc 3/8 | Max Use Pressure: 25 MPa | Blow-off Pressure: 0.15 MPa | Cracking Pressure: 0.34 MPa | Blow-off Flow: 5 L/min | Application: pump discharge 20-75 L/min | ||
| ST1004-10-10 | Air bleed valve, Rc 3/8, 25 MPa, blow-off 10 L/min (pump discharge 75 L/min or more) | YUKEN | Type: Air Bleed Valve | Connection Bore: Rc 3/8 | Max Use Pressure: 25 MPa | Blow-off Pressure: 0.15 MPa | Cracking Pressure: 0.34 MPa | Blow-off Flow: 10 L/min | Application: pump discharge 75 L/min or more |
