Diaphragm valve | PHDV2 Series(Pneumatic Type)

PHDV2 series uses double melt material for the body to enhance cleanness as well as anticorrosion proterty and most suitable for high pressure and high flow rate fluid.
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 0.25 0.27
Max.Operating Pressure 21MPa(G)
Operating Temp. Range PCTFE : -10～40℃ /
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
Body SUS316L
Seat PCTFE / PI
Seat Holder SUS316L
Diaphragm Ni-Co Alloy
Actuator Aluminum

Model

Male Metal Seal

Unit(mm)
Size A B C D E F G H
1/4″ 11 89 40 58 25 30 30 Rc1/8
3/8″ 17.5 92.5 40 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 89 40 70.6 25 30 30 Rc1/8
3/8″ 17.5 92.5 40 100 28 37 37 Rc1/8
1/2″

Butt Weld Long

Unit(mm)
Size A B C D E F G H
1/4″ 11 89 40 89 25 30 30 Rc1/8
3/8″ 17.5 92.5 40 105 28 37 37 Rc1/8
1/2″

Butt Weld Short

Unit(mm)
Size A B C D E F G H
1/4″ 11 89 40 44.4 25 30 30 Rc1/8
3/8″ 17.5 92.5 40 55 28 37 37 Rc1/8
1/2″
※Specification are subjected to change without prior notice.