Relief valve 500
for fueladjustmentfor aircraft

relief valve
relief valve
relief valve
relief valve
relief valve
relief valve
relief valve
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Characteristics

Media
for fuel
Function
adjustment
Applications
for aircraft
Other characteristics
in-line, relief, load
DN

Max.: 38.1 mm
(1.5 in)

Min.: 6.35 mm
(0.25 in)

Pressure

Max.: 200 psi

Min.: 0 psi

400 psi, 500 psi

Temperature range

Max.: 204 °C
(399.2 °F)

Min.: -196 °C
(-320.8 °F)

Description

Bubble Tight Optional Factory Preset Accurate Set Pressure Wide Range of Cracking Pressures Maintenance-free Service 100% Seat Leakage Tested Closed Résilient seal design prevents leakage. Sealing efficiency increases with increased pressure up to cracking pressure. Métal to métal seat on low pressure side supports spring load and prevents sticking. Open When system pressure overcomes spring force, poppet opens momentarily exposing variable orifice between poppet and body to pass increasing flow with minimum pressure rise without blowdown. Resealing Résilient seal automatically eslablishes line of contact with spherical seat. Seal provides dead tight reseal very close to cracking pressure.

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.