primet pdoduct Diaphragm valve PSDV Pneumatic Type

Diaphragm valve | PSDV Series(Pneumatic Type)

PSDV series is designed to have a seat holder to minimize the dead space on the seat bottom side.
It has a forged body made of SUS316L (single melt) and is compatible with various types of fitting (metal seal, double ferrule and butt weld).

Model specifications for the order request.

primet PSDV Serise 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

primet PSDV Serise Model Material
Part name Material
①Body SUS316L
②Seat PCTFE / PFA / PI
③Seat Holder SUS316L
④Diaphragm Ni-Co Alloy
⑤Actuator Aluminum

Model

Male Metal Seal

primet Diaphragm valve PSDV 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
1/2″ 17.5 73.5 56 76 28 37 37 Rc1/8

Female Metal Seal

primet Diaphragm valve PSDV 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
1/2″ 17.5 73.5 56 100 28 37 37 Rc1/8

Double Ferrule

primet Diaphragm valve PSDV Double Ferrule
Unit(mm)
Size A B C D E F G H
1/4″ 11 65 46 (63.5) 25 30 30 Rc1/8
3/8″ 17.5 73.5 56 (79.4) 28 37 37 Rc1/8
1/2″ 17.5 73.5 56 (86) 28 37 37 Rc1/8

Butt Weld Long

primet Diaphragm valve PSDV 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

primet Diaphragm valve PSDV 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.