Safety Relief Valve

Model / MPN: 1543-1-2INRNG120TO130PSI | NSN: 4820-00-900-3800

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

4820-00-900-3800

Sold in multiples of

1 EA

DEMIL

Thread Direction

Right-hand all ends

Flow Control Device

Disk

Bonnet Type

Inside spring

Bonnet Attachment Method

Integral

Disk Loading Method

Spring

Connection Style

G46b plain (pipe) 1st end

Connection Style

G9 plain, optional en (pipe) 2nd end

Valve Operation Method

Automatic

Connection Type

Threaded external pipe 1st end

Connection Type

Threaded internal pipe 2nd end

Maximum Operating Pressure

250.0 pounds per square inch single response

Thread Size

0.500 inches 2nd end

Thread Size

0.750 inches 1st end

Opening Pressure Setting

125.0 pounds per square inch

Material

Iron cast body

Thread Series Designator

Npt all ends

Furnished Items And Quantity

1 lever

1543 Series Parts

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

1543-1-2INRNG120TO130PSI Cross Reference

1543D
18217
1543D
1543-1-2INRNG12010130PSI
1543D
18217
1543D
1543-1-2INRNG12010130PSI
1543D
18217
1543D
1543-1-2INRNG12010130PSI