Fitting with bulkhead fitting
The WEH® ultra- high pressure fittings ensure the leak-free connection of pipe components. The cone and thread fittings give you the good feeling of a simple and reliable fitting system. All fittings can be ordered individually or complete with the matching fittings.
The high-pressure fittings are metal-to-metal sealed and can be connected multiple times - for pressure ranges up to 10,000 bar / 150,000 psi. Ready for use for different media of fluid group 2 (according to DGR 2014/68/EU), such as air, water and hydraulic oil. Suitable for pipes in the standard market sizes 1/4“, 3/8” and 9/16”. Our fittings are available with both metric and imperial threads.
For the pressure ranges 2,500 bar / 35.000 psi and 4,200 bar / 60,000 psi, the fitting is manufactured using the common global standard of a 58° outer cone in a 60° inner cone.
For pressure ratings of 7,000 bar and 10,000 bar, we offer special high-density fittings with a 120° internal cone; the pipe end is then fitted with a 116° external cone.
To attach the outer cone on the tube ends and for reworking or repair of the inner cone, WEH® offers all the necessary tools.
Bulkhead fitting with two identical connections, available with all standard high-pressure connection sizes. Pressure rings and pressure screws are pre-assembled on all connections.
The connection geometry is an high pressure fitting 60° cone & thread.
Special versions with different connection threads or for different pressure ranges are available on request.
Special materials for demanding media or operating conditions are available on request.
| Pressure Range (PS) | Depending on design |
|---|---|
| Temperature Range | +5 °C up to +50 °C |
| Medium | Air / Water / Hydraulic oil (only oils according to fluid group 2 DGR) |
| 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 conversion/replacement thanks to identical size of cross; T and angle piece
- Optimized flow rate; as nominal width of fittings is higher than that of tubes
- Special sealing contour for leak-free connection
- Pressure-resistant up to 10,000 bar / 150,000 psi
The WEH® ultra- high pressure fittings are designed as a standard for hydraulic high pressure systems. Typical applications include hydraulic systems in hydroforming and water jet plants, high-pressure test stands, isostatic pressure for manufacturing ceramics as well as high-pressure applications in chemistry and food processing.

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