Double Effect Overcenter Valve, AR Model
The AR (alternative porting) variant of the double-acting counterbalance valve, featuring a different port arrangement suited to specific manifold or direct-mount configurations. Zinc plated steel body rated to 350 bar.
Key Specifications:
- Valve type: Double effect overcenter — AR model
- Max operating pressure: 350 bar
- 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: Zinc plated steel
- Adjustment options: Steel cap (std) or tamper-proof cap
| Port Size (V-C) | Weight (kg) | Max Flow (l/min) | Pilot Ratio |
| 3/8" BSPP | 2.2 | 40 | 4.25:1 |
| 1/2" BSPP | 2.1 | 60 | 4.25:1 |








