Bellows valve | PLBV Series

The PLBV series is the standard product of Primet bellows valves.
It is SUS316L product of forging. It is compatible with three types of coupling: union, flange and welded tube end.

Model specifications for the order request.

Specification

Model Connection Size Orifice Diam
(mm)		 Cv Temperature
(℃)		 Working Pressure
(MPa)		 Weight (kg)
PLBV 8A 8 1.57 -10℃～80℃ Vac.～1.0 0.93
10A 9 1.65 1.3
15A 12 2.86 1.5
20A 15 4.1 2.2
25A 20 6.88 3.2

Material

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

Model

Union Type

Unit(mm)
Model Size d D L1 L2 H1 H2 K K1 A C
PLBV-U 15A 15 22.2 100 35 101 24 4 15 60 30
20A 20 27.2 110 35 108 28 5 15 63 35
25A 25 34.5 120 35 120 33 6 15 80 40

Flange Type

Unit(mm)
Model Size d D g L PCD f t n-h H1 H2 K A C
PLBV-F 15A 24 95 51 108 70 1 12 4-15 101 24 4 60 30
20A 28 100 56 117 75 1 14 4-15 108 28 5 63 35
25A 35 125 67 127 90 1 14 4-19 120 33 6 80 40

Pipe Butt Weld Type（Sch5S）

Unit(mm)
Model Size d D g L PCD f t n-h H1 H2 K A C
PLBV-U 15A 24 95 51 108 70 1 12 4-15 101 24 4 60 30
20A 28 100 56 117 75 1 14 4-15 108 28 5 63 35
25A 35 125 67 127 90 1 14 4-19 120 33 6 80 40
※Specification are subjected to change without prior notice.