Products
Straight type diaphragm valves (500 type)
Left: Fully open, Right: Fully closed
Suitable for viscous fluids and other applications! This valve has a straight flow path with little pressure loss and liquid pools!
- Features
-
- It has a structure in which the flow path is close to a straight line and is little pressure loss or liquid accumulation.
- Suitable for fluids containing viscous fluids, fibrous fluids, slurries, sludge, suspended solids, etc.
- Actuators can be selected according to the application.
-
Manual Valve (with handwheel)
500 type -
Pneumatically Operated
ON-OFF Valve
PO1500N type -
Pneumatically Operated
ON-OFF Valve
HN1500N type -
Electrically Operated Valve
MS4500 type
Applicable field
Body specifications
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.
Standard lineup
-
Metal body
-
Rubber lined body
| 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 |
It is necessary to select the material for the diaphragm valve according to the user's operating conditions. Please refer to the catalog and drawings for the details of the product and the specifications, or contact our sales representative.
Diaphragm specifications
Details of diaphragm specifications
- As with the weir type (400 type), various types of rubber diaphragms are available depending on the fluid. (*1)
- Our diaphragms are subjected to various tests 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.
(*1):Due to the structure of the valve, the straight type (500 type) is available only with rubber diaphragm.
Standard lineup
-
DN15-80
-
DN100 more over
| Diaphragm type | Material |
|---|---|
| Rubber diaphragm | Natural rubber, Chloroprene rubber, Butyl rubber, Nitrile rubber, EPDM |
It is necessary to select the material for the diaphragm valve according to the user's operating conditions. Please refer to the catalog and drawings for the details of the product and the specifications, or contact our sales representative.
Related Information
Data Download
Inquiries about this information
For the production specifications, please click here
(Please feel free to contact us if you have any questions or
any other products which are not described here.)
- Nippon Daiya Valve Co., Ltd.
- 1-3-22 Hiromachi Shinagawa-Ku, Tokyo 140-0005 JAPAN
- TEL: 03-5434-5330(Intnernational Sales dept.)
- FAX: 03-5434-5331
