Wefatherm offers a wide variety of high-quality accessories to complete its PP-R/PP-RCT product range.

• Different kinds of valves to control flow
• Profile backing rings, flange sleeves, stub ends
• Pipe clamps, pressure test plugs

Wefatherm Double Union Ball Valve – DUAL BLOCK®

This new ball valve, available in dim. 20 – 63 mm, is a 2-way True Union ball valve with locked carrier, lockable union nuts and female ends for socket welding.

Wefatherm Double union ball valve – DUAL BLOCK® offers a variety of advanced features such as the patented SEAT STOP® carrier, a high-quality stem and ball support system, and a multifunctional locking handle. The patented DUAL BLOCK® system locks the union nuts in a preset position, preventing back-off due to vibration or thermal cycling. Deep grooves, thick O-rings, and cushioned Teflon seats contribute to strong seals.

Product features

• Top quality industrial PP-RCT ball valve with double unions and fusion end sockets
• Body, unions, end sockets made of PP-RCT, ball and stem made of PP-H
• Patented SEAT STOP® ball seat carrier system to micro-adjust ball seats and minimize axial force effects
• Patented DUAL BLOCK® system allowing locking of the union nuts in a preset position, assuring seal integrity
• Easy radial disassembly allowing quick replacement of O-rings and ball seats without any need for tools
• Option of disassembling downstream pipes with the valve in closed position
• Floating full-bore ball with high quality surface finish
• Ball seat carriers can be adjusted using the handle insert
• Complying with EN ISO 16135, suitable for 20°C/10 bar