Model: 1535-1SIZE1 1-2

Safety Relief Valve

Properties:

Pipe Size Accommodated

1.500 inches all ends

Thread Direction

Right-hand all ends

Flow Control Device

Disk

Bonnet Type

Inside spring

Bonnet Attachment Method

Threaded

Disk Loading Method

Spring

Valve Discharge Flow Rate

314.0 gallons per minute

Maximum Operating Temp

200.0 degrees fahrenheit single response

Connection Style

G9 plain, optional en (pipe) all ends

Valve Operation Method

Automatic

Connection Type

Threaded internal pipe all ends

Features Provided

Pressure tight outlet side

Thready Qty Per Inch (tpi)

11-1/2 all ends

Maximum Operating Pressure

4000.0 pounds per square inch single response

Thread Size

1.500 inches all ends

Opening Pressure Setting

750.0 pounds per square inch

Material

Copper alloy

Media For Which Designed

Water-oil-gas single response

Thread Series Designator

Npt all ends

NSN

4820-00-814-1957

Part Number

1535-1SIZE1 1-2

Description

Valve,safety Relief

CAGE

03352

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.

Part 1535-1SIZE1 1-2 NSN 4820-00-814-1957

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

05488

FIIG:

A046B0

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

127220

UFC:

64490

LTL:

77.5

LCL:

77.5

WCC:

594

TCC:

SHC:

ACC:

Trailers/Vehicles

Pricing & Availability Check

Submit this form for stock availability and pricing.

How to Order

Ordering from buyaircraftparts.com

If you would like to order this safety relief valve (NSN 4820-00-814-1957) please submit the pricing and availability form above to receive an up to date quote by email. If you agree to the pricing and terms you can e-sign your order online!

We are pleased to have the opportunity to serve you.

Have a Question

Hours:	08:00-18:00 Eastern Standard Time
Phone:	+1 470-231-0824
Email:	Contact Form »

Schedule B and Export

Schedule B: 8481400000
SITC: 74740
End Use: Industrial machines, other
NAICS: 332911
USDA: 1

Freight Class: Safety or relief valves