Bellows valve | PSBV Series(Double Ferrule、Butt Weld)

The Primet mini-bellows valve, PSBV series, uses the machine-processed SUS316L for the main body. In addition, its bellows are also made of SUS316L and the valve structure is designed to be hermetically sealed. It is compatible with four types of coupling (metal seal, doble ferrule, weld and union).

Model specifications for the order request.

Specification

Size Temperature
(℃)		 Working Pressure
(MPa)		 Orifice Diameter
(mm)		 Cv
Flow Coefficient
PSBV-S4H -10℃～80℃ Vac.～1.0 4.5 0.36
PSBV-S6H 7.0 1.1
PSBV-S8H
PSBV-S12H 12 1.6

Material

Part name Material
Body SUS316L
Bellows SUS316L
Stem SUS316L
Disk PCTFE
Bonnet SUS304
Bonnet Gasket PCTFE

Model

Double Ferrule Type

Unit(mm)
Model Size T H1 H2 L D W P.C.D I
Double Ferrule 1/4″ 6.35 64 14 65.0 40 25 23 15.2
3/8″ 9.53 71 82.0 16.8
1/2″ 12.70 87.0 22.9
3/4″ 19.05 102 22 101.0 60 33 32 24.4

Butt Weld Type

Unit(mm)
Model Size T H1 H2 L D W P.C.D L1
Welded 1/4″ 6.35 64 14 150 40 25 23 50
3/8″ 9.53 71
1/2″ 12.70
3/4″ 19.05 106 22 150 60 33 32 -
※Specification are subjected to change without prior notice.