General Tied Diaphragm Regulators
RTGC Series
Introduction
RTGC Series General Tied Diaphragm Regulators feature a single-stage pressure reduction design. Their tied diaphragm construction provides positive shutoff.
With no threads or springs in wetted areas, these regulators are ideal for high purity and ultra-high purity applications ranging from low to medium flow.
Features
- Compact design and lightweight
- Lift poppet and diaphragm are made of Alloy C-22, offering excellent corrosion resistance
- Metal-to-metal seal between valve body and diaphragm provides ensured sealing performance
- Reinforced diaphragm improves sealing performance and extends service life
- Tied diaphragm construction offers positive shutoff for added safety
- The bonnet includes a captured vent hole, allowing media to be vented to a designated location in the event of accidental diaphragm rupture
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Port Size |
1/4″, 3/8″ or 1/2″ |
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Max. Working Pressure |
3500 psig (241 bar) |
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Outlet Pressure Range |
0 ~ 30 psig (0 ~ 2.1 bar) |
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|
0 ~ 60 psig (0 ~ 4.2 bar)
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|
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0 ~ 100 psig (0 ~ 6.9 bar) |
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|
0 ~ 150 psig (0 ~ 10.3 bar) |
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Flow Coefficient (Cv) |
3500 psig Inlet: 0.06
(241 bar Inlet: 0.06) |
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600, 1000 psig Inlet: 0.15 (41.4, 68.9 bar Inlet: 0.15) |
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Working Temperature |
PCTFE：-40 ~ 149 °F -(40 ~ 65 °C)
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|
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Polyimide：-15 ~ 302 °F -(26 ~ 150 °C) |
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SPE (Supply Pressure Effect) |
0.6 psig per 100 psig source pressure change |
Flow Data
Process Specification
| Process Specification | Special Cleaning and Packaging Process (FC-02) | Ultra High Purity Process (FC-03) |
|---|---|---|
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Material
|
316L SS |
316L SS, 316L VAR |
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Wetted Surface Roughness |
Ra 10 μin. (0.25 μm) |
Ra 5 μin. (0.13 μm) |
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Polishing Process |
Machine Finished |
Electropolished |
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Assembly Environment |
In specially cleaned areas |
ISO Class 4 (FS 209E Class 10 equivalent) cleanroom |
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Packaging |
Double bagged |
Double bagged in cleanroom |
Major Materials of Construction
| Item | Component | Material/Specification |
|---|---|---|
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1 |
Diaphragm |
Alloy C-22/ASTM B575 |
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2 |
Gland |
630/ASTM A564 |
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3 |
Seat |
PCTFE/ASTM D1430 or Polyimide
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4 |
Support |
316L SS or 316L SS VAR
|
|
5 |
Lift Poppet |
Alloy C-22/ASTM B574 |
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6 |
Bonnet Nut |
304 SS/ASTM A479
|
|
7 |
Body |
316L SS or 316L SS VAR |
Porting Configuration Symbol
Porting Configuration Symbol
Notes:
1. IN and OUT are the inlet and outlet ports for connecting the valve to the system. so that other Port should not be used for system connections.
2. Porting configuration is viewed from the top.
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