Secure Ordering: +1 (757) 528-8028
Parts Catalog » Hardware » Contact Us » Quote »
NationalStockNumber.info
NationalStockNumber.INFO

Worldwide distributor of NSN parts and consumables located in the USA.

Safety Relief Valve

Model / MPN: 174A 2IN30PSI | NSN: 4820-00-959-7299
ITAR Registered seal

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
4820-00-959-7299
Sold in multiples of
1 EA
DEMIL
NO
Pipe Size Accommodated
2.000 inches 1st end
Thread Direction
Right-hand all ends
Flow Control Device
Disk
Bonnet Type
Inside spring
Bonnet Attachment Method
Bolted
Disk Loading Method
Spring
Maximum Operating Temp
250.0 degrees fahrenheit single response
Connection Style
G9 plain, optional en (pipe) all ends
Valve Operation Method
Automatic or manual
Connection Type
Threaded internal pipe all ends
Features Provided
Valve stem lock shield and bonnet packing
Maximum Operating Pressure
160.0 pounds per square inch single response
Thread Size
2.000 inches all ends
Opening Pressure Setting
30.0 pounds per square inch
Material
Copper alloy stem
Material
Copper alloy 836 body
Material
Copper alloy 836 flow control device or rubber silicone class q flow control device
Material
Copper alloy 836 seat
Material Specification
Qq-c-390, alloy b5/d federal specification 1st material response flow control device
Material Specification
Qq-c-390, alloy b5/d federal specification single material response body
Material Specification
Qq-c-390, alloy b5/d federal specification single material response seat
Media For Which Designed
Steam 1st response
Media For Which Designed
Water, fresh 2nd response
Thread Series Designator
Npt all ends
174A 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.

Qty:
Email Address:
Phone Number:
Your name:
Company:
Privacy    Terms

Certified Quality Assurance  Quality check icon

  •   ISO 9001:2015 + AS9120B
  •   Counterfeit Parts Prevention
  •   100% Product Inspections
  •   7 Year Record Retention
  •   On Time Delivery
  •   HAZMAT Certified
  •   Worldwide Shipping
174A 2IN30PSI Cross Reference
  • 174A
  • 174A
  • 174A