Rubber Diaphragm Valve

Rubber Diaphragm Valve

Cast Iron Body Rubber Lining Through Type Diaphragm Valve
Body/Bonnet:​Cast Iron,Ductile Iron,WCB, CF8, CF8M
Suitable Medium:Graphite/PTFE

Product Details

Cast Iron Body Rubber Lining Through Type Diaphragm Valve          

Diaphragm Valve   

Cast Iron Body Rubber Lining Through Type Diaphragm Valve Conform to BS 5156.
They are tested according to BS 6755, and marked as per MSS SP-25.

1. Construction is as follows:

- KB Type
- Lined or Unlined
- With Electric or Pneumatic Actuator
- With or Without Locking Device 
- With Position Indicator 
- Flanged Ends to ASME B16.5, BS 4504, EN 1092

2. Main Part & Materials Of Diaphragm Valve   

Part NamesPart Materials

Body/BonnetCast IronDuctile IronWCBCF8CF8MCF3CF3M
Disc Cast IronDuctile IronWCBCF8CF8MCF3CF3M


Suitable MediumGraphite/PTFE

Suitable Temperature-20~120 °C

3. Normal Pressure Rating
PN6~PN16, CLASS150

4. Normal Size Range
DN50~DN300, 2"~12"      

Diaphragm valve can be divided into six types according to its structure: house type, direct current type, stop type, straight through type, ram type and right angle type

Natural rubber, chloroprene rubber, butyl rubber, NBR, isobutylene rubber, fluorinated rubber and polyfluoroethylene propylene plastic (F46) are commonly used as diaphragm materials

Before installation of diaphragm valve, carefully check whether the operation conditions of the pipeline are consistent with the service scope specified by the valve, and clean the inner chamber to prevent dirt from jamming or damaging the sealing parts                       

 As a professional supply chain manager of flow control products, I-Flow offer gate,globe,check,butterfly,ball, JIS and DIN marine valves,strainers,actuators, flanges, pipes and fittings,with pressure range from 0.5-6.4MPA, size from DN15-DN3000, as well as valve design, inspection, consultation services etc.

With profound understanding of the importance of customer requirement and 20 years experience,we offer highly cost-effective products,enjoying a good reputation. And we have various kinds of certificates, such as ISO9001, API, etc, selling to more than 30 countries. Being a reliable partner, we are looking forward to cooperating with you.

Customization Acceptale

Welcome to inquiry.

diaphragm valve


Website :

Elaine Zheng

(Sales Director)


Tell: +86 0592 7103069

Phone: +86 18359108305

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