Japan, Nippon Daiya Valve
Nippon Daiya Valve 400 type Weir Type Diaphragm Valves
Made in Japan
Manufacturer: Nippon Daiya Valve
Model: 400 type
Features
This is the basic type of diaphragm valves with weir in the flow path. Close contact between the diaphragm and the weir maintains airtightness and provides high valve seat sealing performance.
Many material options for main bodies and diaphragms, including rubber and fluorocarbon resin, enable choosing the most suitable selection based on fluid composition, especially when high cost performance, corrosion resistance, and chemical resistance are necessary.
You can also select actuators based on the application.
Details of body specifications
In addition to cast iron and stainless steel cast steel, we manufacture lined valve bodies that are suitable for corrosion and chemical resistance and wear resistance.
Suitable selection are available from an extensive lineup according to your usage conditions.
Other special materials are available, please contact our sales representatives.
| Body type | Material |
|---|---|
| Metal body | Gray cast iron, Ductile iron cast iron, Various stainless steels, Hot dip galvanizing, etc. |
| Rubber lining | Hard natural rubber lining, Soft natural rubber lining, Chloroprene rubber lining, Butyl rubber lining |
| Synthetic resin lining | PFA lining, ETFE lining, Polyethylene lining |
| Other | Glass lining, porcelain (ceramic) lining |
Details of diaphragm specifications
Diaphragms come in two types: rubber and fluorocarbon resin.
We test our diaphragms under severe conditions to confirm their durability and safety.
It is highly reliable for external seals and valve seat seals and has been used in a wide range of industries for years.
Suitable selection are available from an extensive lineup according to your usage conditions
| Diaphragm type | Materials |
|---|---|
| Rubber diaphragm | Natural rubber, Chloroprene rubber, Butyl rubber, Nitrile rubber, EPDM |
| Fluorocarbon resin diaphragm | NEW PTFE/EPDM, NEW PTFE/EPDM+α(*3) |
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