Diaphragm Valve Model PV111B Flange End
Category: Diaphragm Valve  Publish Time: 2015-06-20 07:42 

Diaphragm Valve Model PV111B Flange End
Product Name:Diaphragm Valve Flange End
Size range:DN15(1/2") to DN100(4")
Body materials:PVC/CPVC/PVDF/PPH/PP
Diaphragm material:PTFE/EPDM/VITON/PFA
Flange connection: DIN PN10, ANSI CL150, JIS 10K
Design pressure:1.0Mpa(PN10 bar)

Feature of Valve

◆ All the parts that will touch medium is made from thermo plastic.

◆ For application of different medium, offer 5 different materials for optional.

◆ Strong body and bonnet design extend the service life of valve.

◆ Bonnet seals to protect internals from corrosive environment.

◆ Intergrally molded bottom stand for simple yet firm panel mounting.

◆ Pneumatic operation is optional.

Part material list
No. Part Name  Material Optional
1 Cap AS
2 Handwheel PP
3 Bolt&Nut Steel/SS304
5 Stem Nut Copperized steel
6 Stem Steel/SS304
7 Compressor Plastic/Iron
8 Seal EPDM
11 Bolt Steel/SS304

Dimension Sheet


●After replacing diaphragm valve, do not tighten bolts for bonnet and body with diaphragm in the closed position, excessive force could damage bonnet or body.

●Never remove the valve from pipeline under pressure.


What if fluid leaks when valve is fully closed?

1. Solid build up inside, clean inside.

2. Diaphragm or weir are worn or damaged, change the parts.

What if the valve can not be fully opened?

1. Diaphragm is not properly engaged with compressor.

What if fluid leaks to atmosphere?

1. Bonnet bolts not properly torqued.

2. Line pressure exceeds maximum recommended line pressure.

3. Diaphragm has ruptured or has been chemically attached, replace diaphragm.