Vatac Valves (Quzhou) Corp.

Pressure set points from 0.05 to 28 bar (0.75 to 400 psi) · Suitable for liquids, gases and vapors up to 350 °C (600 °F)

Special features: 

» Low-maintenance, medium-controlled proportional regulators requiring no auxiliary energy

» Frictionless plug stem seal with stainless steel bellows

» Exchangeable actuator and positioning springs

» Single-seated valve with upstream and downstream pressure balancing

Special versions: 

» Control line kit for tapping the pressure directly at the valve body (accessories)

» Internal parts made of FPM (FKM), e.g. for use with mineral oils

» Free of oil and grease for oxygen or for applications with high-purity requirements with FPM (FKM) diaphragm

» EPDM diaphragm with PTFE protective facing  http://www.vatacvalve.net/