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Liquip NRV80 sandwich type non-return valve is typically fitted between standard 3" TTMA or 80mm DIN pipeline flanges, predominantly in aviation refuellers.
Main poppet opens at a pressure of 0.9kPa.
Vacumm poppet opens at a pessure of 350kPa.
Suitable for Aviation fuel.
O-rings are used for positive sealing.
Aluminium body, poppet, spider and washer.
All Viton seals and O-rings.
Stainless steel shaft screws and springs.
NRV80: Aviation non return valve - 3" TTMA.