PremPress Stainless Steel Press Fit Union
Technical Specification
- Materials:
- Body: 316L Stainless Steel
- Seal: Ethylene Propylene Diene Monomer (EPDM)
- Pressure Rating: Up to 16 bar (240 PSI)
- Temperature Range: -35°C to +85°C
- Sizes Available: 15mm to 54mm
- Press Profile: M
- Approvals: WRAS and DVGW approved
- Pipe Compatibility: PremPress Stainless Steel Press Fit Pipe


Description
Providing a practical solution for systems that require regular maintenance or future disassembly, this press fit union allows pipework to be easily separated without cutting or disruption. It is manufactured from premium 316L stainless steel, offering excellent resistance to corrosion and ensuring long term durability across demanding installations. The fitting combines a press connection with a threaded union interface, enabling a secure yet removable joint within the system. The M-profile press end ensures compatibility with industry standard pressing tools, delivering fast and consistent installation while eliminating the need for hot works.
Designed with an EPDM sealing system (FKM alternative available), it maintains a reliable seal across a wide operating temperature range. The integrated leak detection feature ensures any unpressed joints are immediately identified during pressure testing, helping to maintain system integrity before commissioning. Approved to WRAS and DVGW standards, this union fitting offers both flexibility and reliability for high performance pipework systems.
Key Features & Benefits
- 316L stainless steel construction: High resistance to corrosion for extended service life.
- Union design: Allows easy disconnection for maintenance and system modifications.
- Press and thread combination: Provides a secure yet removable connection within pipework systems.
- M-profile press system: Compatible with leading press tools for fast, consistent installation.
- EPDM sealing technology: Reliable sealing across a broad temperature range.
- Leak detection feature: Unpressed joints visibly leak during testing for added safety.
- Flame-free installation: No hot works required, improving safety and efficiency.
- WRAS and DVGW approved: Suitable for potable water and compliant with UK and European standards.

