Diaphragm valve | PKDV2 Series(Pneumatic Type)
PKDV series is most suitable for applications to deal with high-pressure fluid. This series is designed to have a seat holder to minimize the dead space on the seat bottom side.
It has forged body made of SUS316L (double melt) and is compatible with various types of fitting (metal seal, double ferrule and butt weld).
Specification
Size | 1/4” | |
---|---|---|
Cv value | 0.1 | |
Max.Operating Pressure | 16.2MPa(G) / 21MPa(G) (Option) | |
Operating Temp. Range | PCTFE : -10~60℃ / PI : -10~150℃ | |
External Leakage | Inboard | ≦3×10-12 Pa・m3 /sec Helium |
Across Seat | ≦3×10-10 Pa・m3 /sec Helium |
Material
Part name | Material |
---|---|
①Body | SUS316L |
②Seat | PCTFE / PI |
③Seat Holder | SUS316L |
④Diaphragm | Ni-Co Alloy |
⑤Actuator | Aluminum |
Model
Male Metal Seal
Unit(mm)
Size | A | B | C | D | E | F | G | H |
---|---|---|---|---|---|---|---|---|
1/4″ | 11 | 87 | 40 | 52 | 17 | 24 | 25 | Rc1/8 |
Female Metal Seal
Unit(mm)
Size | A | B | C | D | E | F | G | H |
---|---|---|---|---|---|---|---|---|
1/4″ | 11 | 87 | 40 | 66 | 17 | 24 | 25 | Rc1/8 |
Double Ferrule
Unit(mm)
Size | A | B | C | D | E | F | G | H |
---|---|---|---|---|---|---|---|---|
1/4″ | 11 | 87 | 40 | (63.5) | 17 | 24 | 25 | Rc1/8 |
Butt Weld Long
Unit(mm)
Size | A | B | C | D | E | F | G | H |
---|---|---|---|---|---|---|---|---|
1/4″ | 11 | 87 | 40 | 47 | 17 | 24 | 25 | Rc1/8 |
Butt Weld Short
Unit(mm)
Size | A | B | C | D | E | F | G | H |
---|---|---|---|---|---|---|---|---|
1/4″ | 11 | 87 | 40 | 44.4 | 17 | 24 | 25 | Rc1/8 |
※Specification are subjected to change without prior notice.