NON – RETURN VALVE NRV

Non – return valve at diaphragm to line for gaseous fluids at low and medium pressure.
Non – return valve is equipped with Viton or Ethylene. Propylene diaphragm to ensure maximum safety in any condition of use.
In the case of use with gas for food industry the materials that compose it are treated with Niploy Process to ensure non – toxicity and avoided the occurrence of bacteria and dangerous oxidation.
For use with Oxygen, the valves are degreased.

Technical data
Maximum inlet pressure 40 bar Brass 250 bar Stainless Steel
Minimum operating pressure < 200 mbar Inox / Stainless Steel
Body material Brass OT58 / Stainless steel AISI316L
Spring material Stainless steel AISI304
Diaphragm and o-ring material Viton / EPDM
Operating temperature -30°C +50°C

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