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coupled with electropolishing, allows easier cleaning and potentially less particle contamination in the flow stream.
Four different seat materials, three alternate orifice sizes and six pressure control ranges with stainless steel diaphragms offer the user a wide spectrum of capabilities for pressure and flow control.
- Gas or liquid service
- 316L stainless steel construction
- Electropolished body with better than 25 Ra finish in diaphragm cavity
- 20 micron inlet filter
- Bubble tight shutoff
- Available Cv's from 0.025 to 0.50. A Cv of 0.06 is standard.
- Outlet pressure ranges are 10, 25, 50, 100, 250, 500 and 750 psig
- Proof pressure is 2 times maximum working pressure
- Burst pressure is 4 times maximum working pressure
- Weight: 1.9 lbs (0.86 kg)
- Mounting style is surface or panel (see Outline and mounting dimensions)
- 3D animation of the PR-1 valve, click here
Maximum Temperature & Operating Inlet Pressures
| Seat Material |
Maximum Temperature |
|
Maximum Operating Inlet Pressure |
| Tefzel® |
150º F (66º C) |
@ |
3600 psig (24.82 MPa) |
| High Density PTFE |
150º F (66º C) |
@ |
3600 psig (24.82 MPa) |
| CF PTFE |
175º F (80º C) |
@ |
3600 psig (24.82 MPa) |
| PCTFE |
175º F (80º C) |
@ |
6000 psig (41.37 MPa) |
| Polyimide |
500º F (260º C) |
@ |
3600 psig (24.82 MPa) |
| 175º F (80º C) |
@ |
6000 psig (41.37 MPa) |
| PEEK |
500º F (260º C) |
@ |
3600 psig (24.82 MPa) |
| 175º F (80º C) |
@ |
6000 psig (41.37 MPa) |
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