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Worldwide distributor of NSN parts and consumables located in the USA.

Safety Relief Valve

Model / MPN: E8600H51M | NSN: 4820-01-130-6612
ITAR Registered seal

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes valve (1), relief, pressure and temperature.

Product Details
NATO Stock Number
4820-01-130-6612
Sold in multiples of
1 EA
DEMIL
NO
Thread Class
2a all ends
Thread Direction
Right-hand all ends
Flow Control Device
Disk
Bonnet Type
Inside spring
Bonnet Attachment Method
Bolted
Disk Loading Method
Spring
Maximum Operating Temp
425.0 degrees fahrenheit single response
Connection Style
G50 external seat for gasket seal (boss) all ends
Valve Operation Method
Automatic
Connection Type
Threaded external boss all ends
Thready Qty Per Inch (tpi)
12 all ends
Adjustable Pressure Range
+45.0/+55.0 pounds per square inch
Maximum Operating Pressure
1500.0 pounds per square inch single response
Thread Size
1.187 inches all ends
Material
Copper alloy stem
Material
Copper alloy body
Material
Nickel alloy flow control device
Material
Rubber butadiene-acrylonitrile class nbr packing
Material
Rubber butadiene-acrylonitrile class nbr seat
Material Specification
Qq-c-390, alloy d4/d/ federal specification single material response body
Material Specification
Qq-b-637, comp 3 federal specification single material response stem
Material Specification
Qq-n-281 federal specification single material response flow control device
Media For Which Designed
Steam 2nd response
Media For Which Designed
Air 1st response
Thread Series Designator
Un all ends
Furnished Items And Quantity
2 nut and 2 tailpiece

Pricing and Availability

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E8600H51M Cross Reference
  • 8600
  • E8600H51M