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Series AP 3540, 3550, 3580
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Features:
- Stainless steel 316L VAR
secondary remelt or
Hastelloy® alloy C-22®
construction
- 15 µin. surface finish
(10, 7 and 5 µin. optional)
- Metal to metal seal to
atmosphere
- LOTO, PL 210, compatible
(AP 3540)
- Replaceable PCTFE seat
(Vespel® optional)
- Pneumatically actuated
normally closed or
normally open
- Surface mount, multiport
or block valve (optional)
- Cleaned, assembled and
packaged for high purity
semiconductor applications
Operating Parameters - all valves:
| Inlet pressure AP 3540 | | vacuum to 125 psig (9 bar) |
AP 3550 | | vacuum to 250 psig (17 bar) |
AP 3580 | | vacuum to 250 psig (17 bar) |
| Outlet pressure | | vacuum to inlet pressure |
| Proof pressure | | 1,000 psig (69 bar) |
| Burst pressure | | 8,000 psig (552 bar) |
| Actuation pressure | | 70 to 110 psig (4.8 to 7.6 bar) |
Other Parameters - all valves:
| Status AP 3540, 3550 | | normally closed |
AP 3580 | | normally open |
| Inlet /outlet connectors | | 1/4 or 3/8 inch face seal or tube weld |
| Actuation port AP 3550, 4550 | | #10–32 thread, side port |
AP 3540, 3580 | | 1/8 inch NPT, top port |
| Flow coefficient AP 3540, 3550, 3580 | | 0.29, XT = 0.6 |
| Internal volume | | 0.06 in3 (1.07 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 125 psig |
| Leakage across seat | | 4 x 10-8 sccs He at 125 psig inlet pressure |
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Biotechnology Industry
