PN16 valve wedge with inner thread and outher-inner thread
Water intended for human consumption.
The State Hygiene Institute in Warsaw.
Working pressure PN16.
Max. temp. 40°C.
Threaded connection according to PN-ISO 228-1.
Maximum torque closure MOT=1xDN [Nm].
Requirements and tests according to PN-EN 1074 – 1 and 2.
Full, smooth culvert, free of depressions.
Wedge nut fixed, no backlash, preventing vibration of wedge during operation of the bolt. Non-rising stem made of stainless steel with rolled thread, secured with a resistance nut.
Wedge vulcanized inside and outside with a rubber compound, suitably shaped and secured against rotation with rails.
Cover screws are recessed and sealed with a hot mass and protected against corrosion.
Internal and external protection against corrosion with epoxy powder paint RAL 5005 with a thickness of 250μm and puncture resistance of 3kV.