Leak Rate Certification
to 2x10-9 atm cc/sec Helium available.

Body Materials
DRA100-A050x-LPO-4xx-GxS / Stainless steel 316L B.A Grade
DRA100-B050x-LPO-4xx-GxS / Stainless steel 316L E.P Grade

Bonnet Material
Nickel Plated Brass (Stainless steel 316L Optional)

Diaphragm
DRA100-x050S-xxO-4xx-GxS / Stainless steel 316L
DRA100-x050H-xxO-4xx-GxS / Hastelloy-C

Main Valve
Stainless steel 316L

Valve Spring
Stainless steel 316L

Valve Seat
PCTFE Standard
Vespel Teflon etc.. Optional

Internal Surface Finish
DRA100-A050x-LPO-4xx-GxS / B.A Grade
DRA100-B050x-LPO-4xx-GxS / E.P 10 Ra or 5 Ra microinch

Operating Temperature
PCTFE -40°C - +60°C (-40°F - +140°F)
Teflon -40°C - +70°C (-40°F - +160°F)
Vespel -40°C - +170°C (-40°F - +350°F)
Flow Capacity
Cv=0.2 Standard