Nippon Daiya Valve Structure And Features Of Diaphragm Valves

Made in Japan
Manufacturer: Nippon Daiya Valve
Model: Structure And Features Of Diaphragm Valves

Basic structure and mechanism of diaphragm valves

Diaphragm valves are generally refer to valves with a structure that opens and closes the flow path with a flexible diaphragm such as rubber.

The basic structure of the valve consists of three units: the actuator, the diaphragm, and the body.

The diaphragm controls the fluid by pressing against or separating from the seal on the body’s inner surface.

Weir types (400 type) and Straight types (500 type), both sharing the same basic structure.

Features of diaphragm valves

①Excellent airtightness

Structure And Features Of Diaphragm Valves

The diaphragm ensures the actuator’s isolation from the flow path, eliminating leakage and fluid contamination from outside air.

We test our diaphragms under harsh conditions to ensure durability and safety, achieving high sealing reliability and user acclaim across industries for consistent quality and performance.

②Excellent cleanability

Structure And Features Of Diaphragm Valves

The fluid passage’s streamlined design, without pockets, minimizes liquid pooling and allows for self-purification.

③Good maintainability

This is a simple structure of three parts: the actuator, the diaphragm, and the body. Easy to disassembly and assembly.

The top entry structure allows for diaphragm replacement by simply removing the body’s bolts and nuts, even with piping attached.

④Excellent corrosion and chemical resistance

The simple body shape, suitable for lining processing.

Various body linings like rubber and fluorocarbon resin, combined with a range of diaphragm materials, allow for valve customization to suit diverse fluid conditions.

It also offers superior cost performance compared to special alloy-based materials.

⑤Environmentally friendly

Since the structure is simple, the number of parts is less than that of other valve types, and there is no waste in consumables.

Striving to reduce environmental impact by using lead-free chloroprene diaphragms and environmentally friendly paints, and by improving durability and reducing air consumption of actuator.

Japan, Nippon Daiya Valve

Basic structure and mechanism of diaphragm valves

Features of diaphragm valves

①Excellent airtightness

④Excellent corrosion and chemical resistance

⑤Environmentally friendly

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