Spectropur Diaphragm valves MV3-VCR
RM 0.00
Description
Spectropur Diaphragm valves MV3-VCR
Product Features
- Stainless steel valves for manual or automatic (pneumatic) shut-off
- Diaphragm metal-to-metal sealed to atmosphere
- Fully functional even when valve is evacuated
- Minimized internal volume for short purge times
- No parts in the gas-wetted area exposed to friction or torsional stress provide minimum particle generation
- Embedded soft seat seal made of PCTFE or PVDF permits frequent operation without loss of tightness
- Modular design for easy replacement of internal parts
- Clearly legible position indication (on/off)
- 100 % Helium-leak-tested
- Assembly in cleanroom class ISO 5.0
- Modular design
- Pneumatic actuator optional for line pressure 25, 100, 200 and 300 bar
- Optional with inductive proximity switch
Specifications
- Materials Body: stainless steel 1.4404
- Diaphragms: Hastelloy C276
- Other gas wetted parts: stainless steel 1.4404
- Valve seat: PCTFE or PVDF
- Surface roughness: Rₐ, max. ≤ 0,25 µm, (gas-wetted areas) Rₐ, Avg. ≤ 0,13 µm
- Leak rate: (to atmosphere) 1 x 10⁻⁹ mbar l/s He, (via seat) 1 x 10⁻⁶ mbar l/s He
- Operating pressure: max. 300 bar
- O2: max. 200 bar
- Cᵥ-value: 0,33
- Nominal size: DN 4
- Temperature range: -20°C to +60°C
- In- / Outlet: 1/4″ VCR-male
- 1/4″ VCR-female: tube stub 1/4″x28mm
