Diaphragm valve | PDV2 Series(Pneumatic Type)

PDV2 series is the standard model of Primet with the double melt material being used for the body to enhance cleanness as well as anticorrosion property.
It has forged body made of SUS316L (double melt) and is compatible with various types of fitting (metal seal and butt weld).

Model specifications for the order request.

Specification

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

Material

Part name Material
①Body SUS316L
②Seat PCTFE / PFA / 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 65 46 58 25 30 30 Rc1/8
3/8″ 17.5 73.5 56 76 28 37 37 Rc1/8
1/2″

Female Metal Seal

Unit(mm)
Size A B C D E F G H
1/4″ 11 65 46 70.6 25 30 30 Rc1/8
3/8″ 17.5 73.5 56 100 28 37 37 Rc1/8
1/2″

Butt Weld Long

Unit(mm)
Size A B C D E F G H
1/4″ 11 65 46 89 25 30 30 Rc1/8
3/8″ 17.5 73.5 56 105 28 37 37 Rc1/8
1/2″

Butt Weld Short

Unit(mm)
Size A B C D E F G H
1/4″ 11 65 46 44.4 25 30 30 Rc1/8
3/8″ 17.5 73.5 56 55 28 37 37 Rc1/8
1/2″
※Specification are subjected to change without prior notice.