Check valves
Wherever a medium needs to flow in just one direction within a pipeline system and return flow needs to be prevented, the WEH® ultra-high pressure check valves fulfil this function with absolute reliability.
The large technical nominal diameter of the check valve enables high flow rates with a low pressure drop.
Installation is extremely simple thanks to the double pressure screw integrated in the valve: the check valve only needs to be tightened on one wrench flat, the pipe is not subjected to any tension or rotation.
| Max. allowable operating pressure PS | 2,500 bar (36,259 PSI), 4,200 bar (60,916 PSI), depending on design |
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| Cracking Pressure | 1.8 bar (26 PSI) |
| Temperature Range | +5 °C up to +50 °C |
| Medium | Liquids according to fluid group 2 DGR, e.g. hydraulic oil |
| Material | High-strength stainless steel |
| Inlet Pressure | 800 bar |
| Connection geometry | High pressure fittings 60° Cone & Thread |
| Conformity / Tests / Approvals | Pressure equipment type: Pipe-like, pressure-retaining equipment in accordance with Article 2, No. 5 of the Pressure Equipment Directive Classification: Article 4, paragraph 3 |
- Easy installation thanks to integrated double pressure screws with 1x left-hand and 1x right-hand thread
- High flow rate thanks to large nominal bores
- Long service life thanks to sealing with high-quality ceramic ball
- Delivery includes pre-assembled pressure rings and pressure screws
The WEH® ultra-high pressure check valves with ball sealing are specially designed for hydraulic applications in the high pressure range. We are happy to offer alternative versions for other media ranges and applications on request.
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