Safety Relief Valve

Model / MPN: 9657-6-81SS | NSN: 4820-01-128-1611

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

4820-01-128-1611

Sold in multiples of

1 EA

DEMIL

Flow Control Device

Disk

Bonnet Type

Inside spring

Bonnet Attachment Method

Bolted

Disk Loading Method

Spring

Maximum Operating Temp

150.0 degrees fahrenheit single response

End Application

Los angeles class ss (688)

Valve Operation Method

Automatic

Connection Type

Flange all ends

Valve Size

3.000 inches

Adjustable Pressure Range

+89.0/+106.0 pounds per square inch

Maximum Operating Pressure

210.0 pounds per square inch single response

First Connection Face To Centerline Distance

6.000 inches

Second Connection Face To Centerline Distance

6.375 inches

Material

Steel

9657 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.

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9657-6-81SS Cross Reference

20244
20244-L-91S
20244L91SS
20244L91SS
20244
20244-L-91S