Key advantages:

Bonded diaphragm design, air moist small volume

Soft seat and metal seat combination design, low leakage rate

Because of the mechanical connection between the upper and lower stem, it can be operated forward

Patent design

Threaded leak hole for outward discharge connection of pipe

Gas type Pure & Ultra-pure

Diaphragm material Hastelloy

Seat material Hastelloy

Body material AISI 316L

Helium leakage rate at high pressure 1*10-9 mbar l/sec (He)

Seat diameter is 4 mm 0.15748 Inches

Upper operating temperature 65 Celsius 149 Fahrenheit

Operating temperature limit -40 Celsius -40 Fahrenheit

CV 0.3

Upper working pressure 200 bar 2900 PSI

Mandrel material is AISI 316L, Hastelloy