Single Stage Pressure Regulators VSR-920UB Series
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Product Feature
- Single-stage pressure regulator
- 10μin. Ra surface finish
- Minimized internal volume for short purge times
- All materials used meet ASTM A479 / A484 / A276 standards
- Internal connectors for pressure gauges
- Flow capacity: to 2000 slpm
- High control accuracy
- Metal-to-metal seal to atmosphere
- Simple outlet pressure limitation by hand-wheel
- 100% helium-leak-tested
- Tied-diaphragm design
Dimensions (mm)
Technical Data
| Type: | single-stage |
| Inlet pressure P1: | max. 300 psig |
| Outlet pressure P2: | 30/60/100/150 psig |
| Surface finish: | 10μin. Ra |
| Materials | |
| Body: | see ordering info |
| Valve seat: | PFA (Vespel® optional) |
| Diaphragm: | Hastelloy®C276 |
| Inlets and Outlets: | 3/4” / 1” VFS fitting or tube weld |
| Bonnet port: | 1/8” FNPT(option) |
| Temperature range: | 40oF to +160oF (-40oC to +71oC) |
| Leak rate: (to atmosphere) (via seat) | 1x10-9 mbar I/s He 1x10-8 mbar I/s He |
| Flow capacity: | Cv=1.6 |
| Weight: | approx. 2.72kg (depending on connections or options) |
| Supply pressure effect: | 7 psig rise in delivery pressure per 100 psig source pressure drop |
Flowchart
Ordering Information
Ordering Example
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