Stainless Steel 304 Wafer Type Check Valve
The Stainless Steel 304 Wafer Type Check Valve is a compact, corrosion-resistant non-return valve widely used across Indian industries for preventing reverse flow in pipelines. Designed for easy installation between flanges, this valve offers long service life, low pressure drop, and reliable performance in demanding operating conditions.
Commonly installed alongside butterfly valves, ball valves, single plate check valves, and dual plate wafer check valves, SS 304 wafer check valves are preferred in applications where hygiene, corrosion resistance, and durability are critical. In India, these valves are extensively used in water treatment plants, fire protection systems, chemical industries, pharmaceuticals, food processing units, HVAC systems, and OEM machinery.
Manufactured from high-quality SS 304, this wafer type NRV ensures excellent resistance to rust, mild chemicals, and moisture, making it suitable for Indian climatic conditions and diverse industrial environments. Its wafer-type design reduces space requirement and installation cost, especially in compact piping layouts.
Key Features
- Body & internals made from premium Stainless Steel 304
- Compact wafer type design – fits between standard flanges
- Low pressure drop and smooth flow passage
- Maintenance-free and long service life
- Suitable for horizontal and vertical installation
- Corrosion-resistant and hygienic construction
Technical Specifications
- Material: Stainless Steel 304
- Type: Wafer Type Check Valve / Non Return Valve (NRV)
- Size Range: 25 NB to 300 NB (1” to 12”)
- Pressure Rating: PN10 / PN16 / Class 150
- End Connection: Wafer (Between Flanges)
- Media: Water, Air, Steam, Oil, Mild Chemicals
Applications in Indian Industries
- Water supply and water treatment plants
- Fire fighting and sprinkler systems
- Chemical and process industries
- Pharmaceutical and food processing plants
- HVAC and utility pipelines
- OEM machinery and industrial equipment
Frequently Asked Questions (FAQ)
1. What is a stainless steel 304 wafer type check valve?
It is a non-return valve made from SS 304 material that allows flow in one direction and automatically prevents reverse flow in the pipeline.
2. Is SS 304 suitable for Indian water and industrial applications?
Yes, SS 304 offers good corrosion resistance and is widely used in Indian water, chemical, and industrial pipelines.
3. Can this valve be used in fire fighting systems?
Yes, SS 304 wafer type check valves are commonly used in fire protection and sprinkler systems.
4. What is the difference between wafer type and flanged check valves?
Wafer type valves are lighter, more compact, and cost-effective compared to flanged check valves.
5. Can it be installed vertically?
Yes, depending on design and flow direction, it can be installed both horizontally and vertically.
6. What sizes are commonly available in India?
Common sizes range from 25 NB to 300 NB, with PN10 and PN16 pressure ratings.
7. Is this valve suitable for steam applications?
It can handle low to moderate steam pressure; for high-temperature steam, SS 316 may be recommended.
8. Does wafer type check valve require regular maintenance?
No, it is generally maintenance-free when operated under recommended conditions.
9. Can this valve be used with butterfly valves?
Yes, wafer type check valves are commonly installed after butterfly valves to prevent reverse flow.
10. Do you provide test certificates for this valve?
Yes, manufacturer test certificates can be provided as per requirement.