The DruvaPUR Series high-purity connection valves are engineered for use with gas cylinders containing inert, reactive, flammable, and oxidising gases and gas mixtures with a purity of up to 6.0. They are not suitable for oxygen applications.
Developed with the MVR-A 500 series, the Druva high-purity cylinder connection valves FAV 500-36/-37 offer exceptional leak-tightness and functional safety. It offers precise gas flow control for low-pressure cylinders, below 50 bar. With a hardened stainless steel cone and robust construction, this high-purity diaphragm valve can handle reactive, flammable, and oxidising gases. The FAV 500 valve is available with or without a gauge.
Developed with the MVR-A 500 series, the Druva high-purity cylinder connection valves FAV 500-36/-37 offer exceptional leak-tightness and functional safety. It offers precise gas flow control for low-pressure cylinders, below 50 bar. With a hardened stainless steel cone and robust construction, this high-purity diaphragm valve can handle reactive, flammable, and oxidising gases. The FAV 500 valve is available with or without a gauge.
Product Line | druvaPUR - High Purity |
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Purity Grade | 6.0 (99.9999%) |
Gas Properties | Inert, reactive, flammable, oxidizing |
Material (main body) | Brass, chrome-plated, stainless steel |
Regulation Type | Dual stage / Two stage |
Applications | Analytical laboratories, Laser and Plasma cutting, Industry, Automotive, Refrigeration, Petrochemical |
Valve Type | Diaphragm regulating valve |
Material body seals | Hardened metal (Stainless steel), SS-cone hardened (Brass) |
Material of diaphragm | Hastelloy, Elgiloy |
Leakage rate | less than 1×10-6 mbar l/s He (seats), less than 1×10-9mbar l/s He (outboard) |
Nominal width | DN2 |
Kv-value | 0.02 |
Vacuum capable | Yes |
Filter | 100 µm on inlet and outlet |
Dimensions (w×h×d) | approx. 120×90×40 mm, approx. 180×100×40 mm |
Operation | approx. 10 turns |
Outlet | Tube fitting 6 mm |
Maximum Inlet Pressure (bar/psi) | 50 (720) |
Weight (kg / lbs) | approx. 0.5 / 1.1 (Type -36), 0.8 / 1.76 (Type -37) |
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