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Shear Off Valve

Shear Off Valve

Shear Off Valve

(OP)
Hello,

We are manufacturers of Thermocouples, and one of our customers wants us to quote for 68 thermocouple assemblies complete with a “Shear-off valve”in the nipple extension. The purpose of this is that if the protection tube fails the valve will close automatic so no fluids will be spilled. While the valve closes it will cut off the thermocouple sensor wires. The manufacturer of the valves has to be UOP approved.

Processes involved :

    Process      Max. Pressure        Max temp degrees C
1.    Fluegas            4.8 kg/cm2        746
2.    HC        5.5 kg/cm2        788
3.    Hydrocarb    4.1kg/cm2        565
4.    Catalyst    5.1kg/cm2        788

Valve rating : 300#
Normal pressure when open: Atmospheric
Pressure to activate valve .5kg/cm2 above atmospheris pressure

Can anybody let me know where I could get this kind of valves?

Thanks.

RE: Shear Off Valve

Have you asked UOP?

RE: Shear Off Valve

(OP)
Yes I did ask about two weeks ago, no responce yet.

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