Model: 1535-2

Safety Relief Valve

Properties:

Pipe Size Accommodated
1.500 inches all ends
Thread Direction
Right-hand all ends
Flow Control Device
Poppet
Bonnet Type
Inside spring
Bonnet Attachment Method
Threaded
Disk Loading Method
Spring
Valve Discharge Flow Rate
398.0 gallons per minute
Maximum Operating Temp
200.0 degrees fahrenheit 1st response
Maximum Operating Temp
200.0 degrees fahrenheit 2nd response
Connection Style
G9 plain, optional en (pipe) all ends
Valve Operation Method
Automatic
Connection Type
Threaded internal pipe all ends
Features Provided
Bonnet packing and pressure tight outlet side
Thready Qty Per Inch (tpi)
11-1/2 all ends
Adjustable Pressure Range
+801.0/+2000.0 pounds per square inch
Maximum Operating Pressure
4000.0 pounds per square inch 1st response
Maximum Operating Pressure
4000.0 pounds per square inch 2nd response
Thread Size
1.500 inches all ends
Material
Copper alloy flow control device
Material
Copper alloy seat
Material
Copper alloy body
Material
Steel stem
Media For Which Designed
Water, fresh 2nd response
Media For Which Designed
Oil 1st response
Thread Series Designator
Npt all ends
Reference Number Differentiating Characteristics
As differentiated by size of valve
NSN
4820-00-837-3144
Part Number
1535-2
Description
Valve,safety Relief
CAGE
38056

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 1535-2 NSN 4820-00-837-3144

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05488
FIIG:
A046B0
Concept No.:
1
App. Key:
AP
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
127220
UFC:
64490
LTL:
77.5
LCL:
77.5
WCC:
594
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

Pricing & Availability Check

Submit this form for stock availability and pricing.
Part Number:
Quantity:
Email Address:
Phone Number:
Your Name:
Company:



Privacy Policy    Terms & Conditions

How to Order  

Ordering from buyaircraftparts.com

If you would like to order this safety relief valve (NSN 4820-00-837-3144) 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

Highest Rated Parts
Recently Purchased Parts
Hot Parts