
Model specifications for the order request.

PSDV series is designed to have seat holders to minimize the dead space on the seat bottom side.
It has forged body made of SUS316L (single melt) and is compatible with various types of fitting (metal seal, double ferrule and butt weld).
Size | 1/4” | 3/8” | 1/2” | |
---|---|---|---|---|
Cv value | 0.3 | 0.7 | ||
Max.Operating Pressure | 1.0MPa(G) | |||
Operating Temp. Range | PCTFE : -10~60℃ / PFA, PI:-10~150℃ | |||
External Leakage | Inboard | ≦3×10-12 Pa・m3 /sec Helium | ||
Across Seat | PCTFE, PI : ≦3×10-10 Pa・m3 /sec Helium PFA : ≦3×10-9 Pa・m3 /sec Helium |
Part name | Material |
---|---|
①Body | SUS316L |
②Seat | PCTFE / PFA / PI |
③Seat Holder | SUS316L |
④Diaphragm | Ni-Co Alloy |
⑤Handle | Aluminum |
Size | A | B | C | D | E | F | G |
---|---|---|---|---|---|---|---|
1/4″ | 11 | (60) | 45 | 58 | 25 | 30 | 30 |
1/2″ | 17.5 | (73.5) | 45 | 76 | 28 | 37 | 37 |
Size | A | B | C | D | E | F | G |
---|---|---|---|---|---|---|---|
1/4″ | 11 | (60) | 45 | 70.6 | 25 | 30 | 30 |
1/2″ | 17.5 | (73.5) | 45 | 100 | 28 | 37 | 37 |
Size | A | B | C | D | E | F | G |
---|---|---|---|---|---|---|---|
1/4″ | 11 | (60) | 45 | (63.5) | 25 | 30 | 30 |
3/8″ | 17.5 | (73.5) | 45 | (79.4) | 28 | 37 | 37 |
1/2″ | 17.5 | (73.5) | 45 | (86) | 28 | 37 | 37 |
Size | A | B | C | D | E | F | G |
---|---|---|---|---|---|---|---|
1/4″ | 11 | (60) | 45 | 89 | 25 | 30 | 30 |
3/8″ | 17.5 | (73.5) | 45 | 105 | 28 | 37 | 37 |
1/2″ |
Size | A | B | C | D | E | F | G |
---|---|---|---|---|---|---|---|
1/4″ | 11 | (60) | 45 | 44.4 | 25 | 30 | 30 |
3/8″ | 17.5 | (73.5) | 45 | 55 | 28 | 37 | 37 |
1/2″ |