
NDV Diaphragm Valve
High-performance diaphragm valve offering excellent airtightness, cleanability, maintainability and resistance to corrosion and chemicals. A broad selection of body linings and diaphragm materials enables the valve to be configured for water treatment, chemical processing and other demanding industrial applications.
Manufacturer | Nippon Daiya Valve Co., Ltd. |
Brand | NDV |
Product type | Diaphragm valve |
Main valve types | Weir type and straight type |
Weir-type series | 400 type |
Straight-type series | 500 type |
Basic components | Actuator, diaphragm and valve body |
Isolation principle | Diaphragm completely separates the actuator from the fluid passage |
Shut-off method | Flexible diaphragm pressed against the body sealing surface |
Body options | Unlined or lined, depending on model |
Typical lining options | Rubber and fluorocarbon resin |
Diaphragm material | Selected according to the fluid and operating conditions |
Actuation | Manual or automated, depending on configuration |
Maintenance arrangement | Top-entry |
Main functions | Shut-off and fluid isolation |
Suitable fluids | Water, chemicals, corrosive fluids, viscous liquids and slurry, depending on model |
Typical industries | Water treatment, chemicals, pharmaceuticals, food, electronics, metals and power generation |
Nominal size | Model-dependent |
Pressure rating | Model- and material-dependent |
Temperature range | Dependent on diaphragm, lining and body materials |
Connection type | Model-dependent |
Need to verify the configuration for this product?
The VOH team will help verify a suitable configuration.



