Diaphragm Valve True Union Type
Category: Diaphragm Valve  Publish Time: 2015-09-09 07:36 

Diaphragm Valve True Union Type
Product Name:Diaphragm Valve True Union Type
Model:RPV113A
Size range:DN15(1/2") to DN50(2")
Body materials:PVC/CPVC/PVDF/PPH
Diaphragm material:PTFE/EPDM/VITON/PFA
Socket connection: DIN/ANSI/JIS
Design pressure:1.0Mpa(PN10 bar)

Feature of Valve

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

◆ Union end connection easy to install and replace of valve.

◆ 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 Indicator PP
3 Hand Wheel PP
4 Bonnet PVC/CPVC/PVDF/PPH
5 Bolt&Nut Steel/SS304
6 Stem Steel/SS304
7 Compressor Plastic
8 Seal EPDM
9 Diaphragm PTFE/EPDM/VITON/PFA
10 Union PVC/CPVC/PVDF/PPH
11 Adaptor PVC/CPVC/PVDF/PPH
12 O-Ring EPDM
13 Body PVC/CPVC/PVDF/PPH

Dimension sheet


Note

●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.

Troubleshooting

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.

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