A Lined Diaphragm Valve is a type of valve that prevents air from entering the chamber during a filling process. The main purpose of a Lined Diaphragm Valve is to prevent air from entering the chamber during a filling process. This is done by having an airtight seal between the diaphragm and the chamber wall. This prevents air from entering the chamber during a filling process. This type of valve can be used in both dry and wet conditions.
In dry conditions, it can be used when there is no water in the chamber. It can be used in wet conditions when there is water in the chamber but not enough to fill it completely. It can also be used when there are no other options, such as if there are no other options available due to lack of space or if there are no other options available due to lack of space or space limitations.
Lined Diaphragm Valve Specifications
| Size | : | 1"(25 NB) TO 10"(250 NB) |
| Lined Body | : | CI IS 210 GR FG 220/ CS ASTMA 216GE WCB/ ASTMA-351-CF8/ ASTMA 351 –CF8M+PFA/ FEP Liner |
| Bonnet | : | CI IS 210 GR FG 220 / CS ASTMA 216GE WCB/ ASTMA-351-CF8/ ASTMA 351 –CF8M |
| Spindle | : | C.S /S.S. |
| Compressor | : | Pin Type Ductile Iron/ WCB/ S.S. |
| Diaphragm (Pin Type) | : | PTFE Backed With Neoprene Rubber, butyle or as per customer requirements |
| Pressure Class | : | ANSI CLASS 150/ PN 10/ PN 16 |
| Working Temperature | : | -30 degree to 160 degree |
| Maximum Working Pressure | : | 275 psi |
| Valve Body Design | : | Bolted Bonnet Design |
| Flanged Drilled | : | Flange ASME B16.5CLASS 150 RF/ DIN STANDARD/ PN 10/ PN 16/ PN 40 |
| Hydraulic Test Pressure | : | AS PER SUITABLE CLASS 150#, PN 10,PN 16, PN 40, etc |
| Spark Test (Pinhole Test) | : | 15~20 KV DC |
| Operation | : | CS/SS/ ABSPLASTIC HAND WHEEL / MANUALLY GEAR OPERATION/ ELECTRIC OR PNEUMATIC OPERATION |
Lined Diaphragm Valve Features
- Easy/Low Maintenance
- Standard Position Indicator
- Bubble-tight shutoff (Class VI)
- In-line Serviceable (top entry)
- No Stem Seal Leakage
- Cavity Free Design
Lined Diaphragm Valve Applications
- Acid (e.g. Hydrochloric, Sulphuric Nitric)
- Copper Chemicals
- Salts
- Moist Chlorine
- Lime Solutions
- Chlorinated Water
- De-Mineralised Water
- Caustic solutions
