U23系列减压器
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GENTEC U23 series regulators are idea purge regulators for low pressure and high purity systems, especially for heavy duty of gas flow applications. The large valve minimizes fluctuation and also acts as a reliable shut-off feature in low pressure.
Features
- 316L stainless steel body
- Metal to metal diaphragm to body seal
- Easy front panel and rear bracket mounting.
- Gauge ports are standard with 1/4” face seal male, and the internal 1/4” face seal female is also available.
- Full internal electropolish
- Cleaned, assembled and packaged for ultra high purity semiconductor applications
- High cycle life
- 100% Helium leak tested
Materials of Construction
| Wetted |
| Body |
316L stainless steel |
| Seat |
PCTFE*, Vespel® |
| Diaphragm |
316L stainless steel |
| Poppet |
316L stainless steel |
| Remaining Part |
316L stainless steel |
| Non-wetted |
| Nut |
316 stainless steel |
| Cap |
nickel plated brass |
| Knob |
ABS Plastic |
| Operating Conditions |
| Maximum Inlet Pressure |
500 psig (35 barg), 3000 psig (206 barg) |
| Outlet Pressure |
0-25 psig (1.7 barg), 0-50 psig (3 barg), 0-100 psig (7 barg),
0-150 psig (10 barg) |
| Temperature |
-40°F to 165°F (-40°C to 74°C) |
| Functional Performance |
| Flow Capacity |
Cv=1.8 |
| Maximum Leak Rate: |
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| Inboard Leakage |
2 x 10-8 atm cc/sec He |
| Outboard Leakage |
2 x 10-9 atm cc/sec He |
| Across Seat Leakage |
4 x 10-8 atm cc/sec He |
| Proof Pressure |
150% of maximum rated pressure |
| Burst Pressure |
400% of maximum rated pressure |
| Surface Finish |
| Standard Ra |
20µin. |
| Optional Ra (EP) |
10 μin |
| Internal Volume |
59.5cc |
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