Noiseless Heater/Vacuum Relief Valve

VB-7

* VB-7 protects equipment and piping from damage caused by a vacuum conditions.
* Stable performance without chattering and hunting.





VB-7

Specifications

Features Vacuum relief valve
Specifications Product type Vacuum relief valve
Nominal size 15A (1/2") - 50A (2")
Application Steam, air
End connection JIS R screwed
Max. pressure 1 MPa
Max. temperature 200 degree(C)
Working pressure -48 to -0.5kPa *
Material Body Brass
Valve Bronze
Valve seat Brass

Remarks

* Regulating pressure range
A: -0.5 to -21 kPa
B: -21 to -48 kPa
C: -48 to -81 kPa


Dimensions and Weights
Size H (mm) Weight (kg)
15A(1/2) 100 0.5
20A(3/4) 100 0.5
25A(1) 112.5 0.75
32A(1 1/4) 113.5 1.05
40A(1 1/2) 130 1.45
50A(2) 165.5 2.45

About flow rate

Dimensional drawing

Dimensional drawing