Double Effect Overcenter Valve
A double-acting counterbalance valve providing load-holding and controlled motion in both directions — the go-to choice for double-acting cylinders, winches, and swing drives. Available in raw aluminium (275 bar) or zinc plated steel (350 bar) manifold options.
Key Specifications:
- Valve type: Double effect overcenter
- Max operating pressure: 275 bar (aluminium) / 350 bar (steel)
- Port connections V & C: Female BSPP — 3/8" or 1/2"
- Max flow: 40 l/min (3/8"), 60 l/min (1/2")
- Standard pilot ratio: 4.25:1 (8:1 and 11:1 available on request)
- Setting range: X series 30–210 bar / Y series 60–350 bar
- Standard setting: 200 bar (X) / 300 bar (Y)
- Fluid temperature: −20 °C to +90 °C
- Ambient temperature: −20 °C to +50 °C
- Filtration standard: ISO 4406
- Standard seals: NBR 70 Shore A | Viton available on request
- Manifold material: Raw aluminium (option 1) or zinc plated steel (option 3)
- Adjustment options: Steel cap (std) or tamper-proof cap
| Port Size (V-C) | Max Flow (l/min) | Pilot Ratio |
| 3/8" BSPP | 40 | 4.25:1 |
| 1/2" BSPP | 60 | 4.25:1 |
