ISO5211 top flange

Makes easier the adaption of an actuator on the valve, This flange has nothces ot welcome a lockable handle.

Stem Thrust Seal
Act as a primary sealing, Make of PTFE+PEEK, it ensures a longer lifetime and number of cycles.

Antiblow-out stem
The stem is designed to resist high operating torques without breaking nor twisting.

Gland Packing
The gland box is machined and receive a V-ring packing.This assembly ensures an antistatic gland-packing,TA LUFT certified.

Spring Washers
The spring washers act as a spring to compensate the packing wear

Seats
A wide range of seat materials is available.The PS4 valve can be use in many process appplications from -196 C to 320C=0 PSI

Ball
A cavity relief is drilled in the stem notch in order to avoid any overpressure in "Open"Position

Machined connections
They require a short leadtime to be manufactured.These connections can be machined according to any pipe standard.

Rotating flanges
This concept makes easier the assembly of the connections on the pipe.It avoids any stress on the bolting as no misalighment is possible

Encapsulated body seals
In PTFE,they are giving a reliable sealing between the body and connections

Safety nut lock
These nut locks ensures to keep the packing nut and the handle nut in place during valve operations.