Spectrolab Diaphragm shut-off valves DVM
Product Features
- Brass diaphragm valves for manual shut-off
- For non corrosive gases and gas mixtures up to quality 6.0
- Diaphragm metal-to-metal sealed to atmosphere
- Suitable for up to 580 psi pressure
- Fully functional under vacuum
- DVM-8 optional with position indicator
- Approved for use with oxygen
- Ergonomically designed
Technical Data
Type
Diaphragm valve
Operating pressure
DN8 / DN13: max. 580 psi
DN19: max. 360 psi
DN19: max. 360 psi
Materials
Body: chrome-plated brass
Diaphragm DN8: stainless steel 1.4571
Diaphragm DN13/19: stainless steel 1.4310
Diaphragm DN8: stainless steel 1.4571
Diaphragm DN13/19: stainless steel 1.4310
In- / outlet
See dimensions on datasheet
Temperature range
-4°F to +140°F
Leak rate
(to atmosphere) 1 x 10⁻⁸ mbar l/s He
(via valve seat) 1 x 10⁻⁶ mbar l/s He
(via valve seat) 1 x 10⁻⁶ mbar l/s He
Seat diameter
8, 13 or 19 mm
Cᵥ-value
DN8: 1,47
DN13: 2,1
DN19: 3,1
DN13: 2,1
DN19: 3,1
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