primet 产品信息 隔膜阀PDV2 系列(Pneumatic Type)

隔膜阀 | PDV2系列(Pneumatic Type)

PDV2系列为阀体采用二次熔炼材料，提高清洁度和耐腐蚀性的标准型号。
SUS316L锻造阀体（二次熔炼材料）与各种接头配件（金属密封件、双卡套、对接焊）兼容。

可提供规格型号(Electropolishing is standard)

规格参数

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

材质

Part name 材质
①Body SUS316L
②Seat PCTFE / PFA / PI
③Seat Holder SUS316L
④Diaphragm Ni-Co Alloy
⑤Actuator Aluminum

模型

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

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

Unit(mm)
SizeABCDEFGH
1/4″116546(63.5)253030Rc1/8
3/8″17.573.556(79.4)283737Rc1/8
1/2″17.573.556(86)283737Rc1/8

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.