Safety Relief Valve

Model / MPN: 1806 1-2-136-169 | NSN: 4820-00-287-4644

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

4820-00-287-4644

Sold in multiples of

1 EA

DEMIL

Flow Control Device

Disk

Disk Loading Method

Spring

Renewable Seat Ring Type

Threaded

Maximum Operating Temp

150.0 degrees fahrenheit 2nd response

Maximum Operating Temp

425.0 degrees fahrenheit 1st response

Valve Operation Method

Automatic

Connection Type

Unthreaded internal tube all ends

Adjustable Pressure Range

+136.0/+169.0 pounds per square inch

Maximum Operating Pressure

200.0 pounds per square inch 1st response

Maximum Operating Pressure

400.0 pounds per square inch 2nd response

Outside Diameter Tube Accommodated

0.500 inches all ends

Material

Copper alloy stem

Material

Copper alloy body

Material

Nickel alloy seat

Material

Nickel alloy flow control device

Media For Which Designed

Steam 1st response

Media For Which Designed

Water-oil-gas 2nd response

Style Designator

Angle

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

Certified Quality Assurance

ISO 9001:2015 + AS9120B
Counterfeit Parts Prevention
100% Product Inspections
7 Year Record Retention
On Time Delivery
HAZMAT Certified
Worldwide Shipping

1806 1-2-136-169 Cross Reference

S4824H3163773PC1T018
5119-4824-3801PC1T0-16
5119-4824-3801PC1T016
1806CCU
R6309HHPC1T016
K1-4900-1000250ALT10PC49
20058Q51M
FIG1251 1/2IN
5119-4824-3801PC1T0-16
5119-4824-3801PC1T016
3076-10ALT10PCV49
S4824H3163773PC1T018
20058Q51M
FIG1251 1/2IN