1227 1-2-7T025
View detailed technical data, stock status, and sourcing information for: 1227 1-2-7T025
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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.
plain (pipe) 1st end connection style, 582.0 pounds per hour valve discharge flow rate, 550.0 fahrenheit single response maximum operating temp, right-hand all ends thread direction, disk flow control device
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Thread Direction
- right-hand all ends
- Flow Control Device
- disk
- Valve Discharge Flow Rate
- 582.0 pounds per hour
- Maximum Operating Temp
- 550.0 fahrenheit single response
- Connection Style
- plain (pipe) 1st end
- Connection Style
- plain,optional end(pipe) 2nd end
- Valve Operation Method
- automatic
- Connection Type
- threaded external pipe 1st end
- Connection Type
- threaded internal pipe 2nd end
- Features Provided
- pressure tight outlet side
- Adjustable Pressure Range
- +1.0 to 250.0 pounds per square inch
- Maximum Operating Pressure
- 250.0 pounds per square inch single response
- Nominal Thread Size
- 0.500 inches 1st end
- Nominal Thread Size
- 0.750 inches 2nd end
- Material
- copper alloy body
- Material
- copper alloy stem
- Material
- nickel flow control device
- Material
- nickel seat
- Media For Which Designed
- air single response
- Style Designator
- angle
- Thread Series Designator
- npt all ends
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 4820-00-287-4125 | No Name Available | 03/01/1977 |
| 4820-01-286-6622 | No Name Available | 06/01/2007 |
Related Parts
This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:
| Part Number | Name |
|---|---|
| 1227 1-2-7T025 | Safety Relief Valve |
| 2476-427PCV58 | Safety Relief Valve |
| 2476-437PCV83 | Safety Relief Valve |
| 2476-453PCV60 | Safety Relief Valve |
| 313-4804-1509844REVAPCV5 | Safety Relief Valve |
| 362-2100-795814PCV8 | Safety Relief Valve |
| 362-4900-795693PCV29 | Safety Relief Valve |
| 362-4900-795693PCV45 | Safety Relief Valve |
| 362-4900-795711PCV1012 | Safety Relief Valve |
| 362-4900-795711PCV1024 | Safety Relief Valve |
| 362-4900-795711PCV13 | Safety Relief Valve |
| 362-4900-795756PCV791 | Safety Relief Valve |
| 435-4900-235363PCV58 | Safety Relief Valve |
| 435-4900-235373PCV83 | Safety Relief Valve |
| 435-4900-235389PCV60 | Safety Relief Valve |
| 6000-D-1 140 T 169 PSI | Safety Relief Valve |
| 6010-D-1 140 T 169 PSI | Safety Relief Valve |
| 6010DC 140PSI | Safety Relief Valve |
| 6010DC-15PSI | Safety Relief Valve |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 4820-00-039-5197?
Does the NSN 4820-00-039-5197 have a Schedule B code assigned?
Does NSN 4820-00-039-5197 require demilitarization?
Does NSN 4820-00-039-5197 contain precious materials?
Does NSN 4820-00-039-5197 contain hazardous materials?
When the NSN 4820-00-039-5197 was assigned to the Federal Catalog?
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