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A screw-in, cartridge-style, poppet-type, thermal relief valve intended to prevent cylinder damage resulting from temperature induced pressure intensifi cation.This valve is not intended to be used as a dynamic relief valve, or as protection against load-induced pressure spikes.
The TR04-B20 blocks flow from ➀ to ➁ until suffi cient pressure is present at ➀ to force the spring opposed poppet from its seat.
Pressure at port ➁ should not, at any time, be more than 500 psi above the pressure at port ➀
• Miniature size.• Hardened parts for long life.• Below surface mount.• Low Leakage.
Maximum Operating Pressure: 414 bar (6000 psi)
Leakage: 1 drop/minute to 90% of crack setting
Reseat Characteristic: 10 drops/minute at 85% of pressure setting
Temperature: -40 to 120°C with Buna N seals
Filtration: See page 9.010.1
Fluids: Mineral-based or synthetics with lubricating properties at viscosities of 7.4 to 420 cSt (50 to 2000 sus); See Temperature and Oil Viscosity, page 9.060.1
Installation: No restrictions; See page 9.020.1
Cavity: VC04-B2; See page 9.104.1
Cavity Tool: CT04-B3xx; See page 8.600.1
Seal Kit: SK04-B2x-B; See page 8.650.1
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YDRA
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