Diaphragm Valves

DV11
Title:
Diaphragm Valves
DV11 Series

Features

• Suitable for high purity applications

• NPT connection 

• Internal spring-less design

• Metal-to-metal seal minimizes particle generation and ensures purity integrity in the flow passages

• Long service life

• 100% Helium leak tested

 

Spec Sheet

BP -

DV11

N 

L -

FNT4

Body Material

Model

Actuation

Working Pressure

Inlet / Outlet 

BP: Plated Brass

DV11

N: Manual

L: 300 psi

NT4: 1/4" Male NPT

FNT4: 1/4" Female NPT

 

• Maximum operating pressure: 300 psi (20 bar)

• Minimum operating pressure: Vacuum

• Proof pressure: 150% of maximum operating pressure

• Burst pressure: 400% of maximum operating pressure

• Temperature range: 40˚F~150˚F (-40˚C~ 65˚C)

• Inboard leakage: 1 x 10-9 atm cc/sec He

• Leakage across seat: 4 x 10-9 atm cc/sec He

•  Cv: 0.17

 

• Body: Plated Brass

• Seat: PCTFE

• Diaphragm: Elgiloy®