Diaphragm Valves
Pressure Regulators
Positive Shut-off AP 1900
Springless Pressure Regulators
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Positive Shut-off Pressure Regulator
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Series AP 1900
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Features:
- Single stage
- Stainless steel 316L VAR
secondary remelt
construction
- Large diaphragm for
increased sensitivity and
control
- Vacuum to 3,500 psig
(241 bar) inlet
- 15 µin. Ra max surface
finish (10, 7 and 5 µin.
optional)
- Cleaned, assembled
and packaged for high
purity semiconductor
applications
- High flow (HF) option
Operating Parameters:
| Source pressure | | vacuum to 3,500 psig (241 bar) |
| Delivery pressure AP 1901 | | 1 to 10 psig (0.07 to .7 bar) |
AP 1902 | | 1 to 30 psig (0.07 to 2 bar) |
AP 1906 | | 2 to 60 psig (0.14 to 4 bar) |
AP 1910 | | 2 to 100 psig (0.14 to 7 bar) |
AP 1915 | | 5 to 150 psig (.34 to 10 bar) |
| Proof pressure | | 4,000 psig (276 bar) |
| Burst pressure | | 8,000 psig (552 bar) |
Other Parameters:
| Inlet/outlet connectors | | 1/4, 3/8 or 1/2 inch face seal or tube weld |
| Bonnet port | | 1/8 inch NPT |
| Flow coefficient | | (Cv) 0.13 (HF = 0.16) |
| Internal volume | | 0.82 in3 (13.5 cm3) |
| Operating temperature | | -40° to +160°F (-40° to +71°C) |
| Surface finish | | 15 µin. (0.4 µm) Ra max standard;
10 µin (0.25 µm); 7 µin (0.18 µm); and 5 µin (0.13 µm) optional |
| Inboard leakage | | 2 x 10-10 sccs |
| Outboard leakage | | 2 x 10-9 sccs He at 1,500 psig inlet pressure |
| Leakage across seat | | 4 x 10-8 sccs He at 1,000 psig inlet pressure |
| Installation | | surface or panel (optional) |
| Delivery pressure rise | | 0.25 psig per 100 psig source pressure drop |
| HF | | 0.6 psig per 100 psig source pressure drop |
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Biotechnology Industry
