INDIA DUAL PLATE WAFER CHECK VALVE Supplier: Krishna Industries, Ahmedabad, Gujarat, India
──────────────────────────────────────────────────────── LONG INTRODUCTION (Indian Buyer Focused) ────────────────────────────────────────────────────────
The India Dual Plate Wafer Check Valve is one of the most widely used non-return valves in Indian industrial piping systems due to its compact design, reliable sealing, low pressure drop, and cost-effective performance. Commonly referred to in the Indian market as a dual plate check valve, wafer check valve, non-return valve, or butterfly check valve, this valve is specifically designed to allow fluid flow in one direction and automatically prevent reverse flow without the need for external power or manual operation.
In Indian industries such as water supply, wastewater treatment, HVAC, fire fighting systems, sugar plants, power plants, chemical industries, refineries, cement plants, pharmaceuticals, textiles, food processing units, and general industrial utilities, backflow prevention is a critical requirement. The dual plate wafer check valve fulfills this requirement efficiently while occupying minimal space between flanges. Compared to swing check valves and single plate check valves, the dual plate design offers faster closing response, reduced water hammer effect, and longer service life, making it highly suitable for Indian operating conditions where pressure fluctuations and space constraints are common.
Krishna Industries, based in Ahmedabad, Gujarat, India, is a reliable supplier of India Dual Plate Wafer Check Valves to traders, contractors, OEMs, project suppliers, and industrial end users across major Indian cities including Ahmedabad, Mumbai, Pune, Delhi, NCR, Jaipur, Indore, Chennai, Bengaluru, Hyderabad, Coimbatore, Kochi, Kolkata, and other industrial hubs. Our valves are manufactured and sourced keeping Indian standards, Indian operating practices, and Indian buyer expectations in mind, ensuring competitive pricing, consistent quality, and dependable after-sales support.
The dual plate wafer check valve consists of two spring-loaded semicircular plates hinged on a central shaft. When flow starts, the plates open smoothly with minimal resistance. When flow stops or reverses, the spring mechanism ensures quick closure, preventing backflow and reducing system shock. This design is especially advantageous in pumping systems commonly used in Indian water supply schemes, industrial process lines, and fire protection networks.
Krishna Industries supplies dual plate wafer check valves in various materials such as Cast Iron (CI), Ductile Iron (DI), Carbon Steel (WCB), Stainless Steel (CF8 / CF8M), and special alloys as per application requirements. Seat options include EPDM, NBR, Viton, PTFE, and metal-to-metal, suitable for water, air, steam, oil, chemicals, and other industrial fluids commonly handled in Indian plants.
By positioning ourselves as a dependable Indian supplier rather than just a trader, Krishna Industries focuses on long-term relationships, repeat business, and value delivery. Our India Dual Plate Wafer Check Valves are supplied with clear specifications, material details, dimensional standards, and optional manufacturer test certificates to meet Indian project and maintenance requirements.
Product Name: India Dual Plate Wafer Check Valve Type: Non-Return Valve / Check Valve Design: Dual Plate, Spring Loaded End Connection: Wafer Type (Between Flanges) Operation: Automatic (Flow-Based) Standard Sizes: 50 NB to 600 NB (Larger sizes on request) Pressure Rating: PN10, PN16, Class 150 (as required) Direction of Flow: Unidirectional Mounting: Horizontal or Vertical (Upward Flow)
──────────────────────────────────────────────────────── WHY DUAL PLATE WAFER CHECK VALVE IS PREFERRED IN INDIA ────────────────────────────────────────────────────────
Indian industries prefer dual plate wafer check valves over traditional swing check valves for several practical reasons. Space limitation in pump rooms, rising material costs, and the need for energy-efficient flow systems have made compact and low-loss valves a priority. The wafer type design eliminates the need for long face-to-face dimensions, reducing piping length and installation cost.
The spring-assisted dual plate mechanism ensures faster closing compared to gravity-based swing check valves, significantly reducing water hammer, a common issue in Indian pumping systems. This makes the valve ideal for municipal water projects, industrial utilities, and fire protection systems where sudden pump shutdowns are frequent.
Additionally, the dual plate design distributes stress evenly, reducing wear on hinge pins and seats. This results in longer operational life and lower maintenance costs, which is a major consideration for Indian buyers who prioritize durability and lifecycle cost over initial price alone.
──────────────────────────────────────────────────────── CONSTRUCTION DETAILS ────────────────────────────────────────────────────────
1. Body The valve body is wafer type, designed to fit snugly between standard flanges. Materials commonly supplied include CI, DI, WCB, and Stainless Steel depending on application and budget. The compact body ensures easy handling and installation at site.
2. Disc Plates Two semicircular plates are precision machined to ensure smooth opening and tight closure. The dual plate arrangement reduces inertia and allows quick response to flow changes.
3. Spring Mechanism High-quality stainless steel springs provide positive closure. Spring selection is optimized to balance opening pressure and closing speed, suitable for Indian pump and pipeline conditions.
4. Shaft / Hinge Pin The central shaft connects both plates and ensures synchronized movement. Robust shaft design enhances reliability and service life.
5. Seat Soft or metal seat options are available based on fluid type. EPDM and NBR are commonly used for water and air applications in India, while PTFE and metal seats are used for chemicals and higher temperatures.
Size Range: 50 NB – 600 NB Pressure Rating: PN10 / PN16 / Class 150 Body Material: CI / DI / WCB / SS Disc Material: CI, DI, SS (as per requirement) Seat Material: EPDM / NBR / PTFE / Metal Spring Material: Stainless Steel Operating Temperature: As per seat material Flow Direction: Single Direction Leakage Class: As per design standard
──────────────────────────────────────────────────────── APPLICATIONS IN INDIA ────────────────────────────────────────────────────────
• Municipal water supply projects • Sewage and wastewater treatment plants • Industrial pumping systems • Fire fighting and sprinkler systems • HVAC and chilled water lines • Power plants and cooling water systems • Sugar mills and ethanol plants • Cement plants • Chemical and process industries • Textile and dyeing units
──────────────────────────────────────────────────────── ADVANTAGES FOR INDIAN BUYERS ────────────────────────────────────────────────────────
• Compact wafer design saves space and cost • Lower pressure drop compared to swing check valves • Reduced water hammer effect • Faster closing response • Suitable for horizontal and vertical installation • Easy maintenance and long service life • Competitive Indian pricing • Ready availability from Indian supplier
──────────────────────────────────────────────────────── QUALITY AND TESTING ────────────────────────────────────────────────────────
Krishna Industries ensures that every India Dual Plate Wafer Check Valve supplied meets basic dimensional, visual, and functional checks. Optional manufacturer test certificates can be provided on request, including hydrostatic body test and seat leakage test as per applicable standards. This approach ensures confidence for Indian contractors, maintenance teams, and project engineers.
──────────────────────────────────────────────────────── PACKAGING AND SUPPLY ────────────────────────────────────────────────────────
Valves are packed securely to prevent damage during road transport across India. Each valve is properly tagged with size and specification details. Bulk supply and project-wise dispatch are available for Indian buyers.
──────────────────────────────────────────────────────── WHY BUY FROM KRISHNA INDUSTRIES, AHMEDABAD ────────────────────────────────────────────────────────
Krishna Industries, Ahmedabad, Gujarat, India, is strategically located in one of India’s largest engineering and valve manufacturing hubs. This allows us to offer competitive pricing, faster sourcing, and reliable supply. We understand Indian buyer behavior, project timelines, and cost sensitivities, making us a preferred supplier for traders, EPC contractors, OEMs, and industrial users.
We focus on: • Honest specifications • Practical pricing • Clear communication • Long-term business relationships
1. What is a dual plate wafer check valve? A dual plate wafer check valve is a non-return valve with two spring-loaded plates that allow flow in one direction and prevent reverse flow automatically.
2. Where is this valve commonly used in India? It is widely used in water supply, wastewater, fire fighting, HVAC, power plants, and general industrial piping systems.
3. What is the difference between dual plate and swing check valve? Dual plate valves are more compact, have faster closing, lower pressure drop, and reduce water hammer compared to swing check valves.
4. Can this valve be installed vertically? Yes, it can be installed vertically in upward flow direction and horizontally as per piping design.
5. What sizes are available? Standard sizes range from 50 NB to 600 NB. Other sizes can be arranged on request.
6. Which materials are commonly supplied? CI, DI, Carbon Steel, and Stainless Steel are commonly supplied based on application and budget.
7. Is this valve suitable for fire fighting systems? Yes, it is widely used in fire fighting and sprinkler systems across India.
8. Do you provide test certificates? Manufacturer test certificates can be provided on request.
9. Do you supply in bulk quantities? Yes, Krishna Industries supplies bulk and project quantities across India.
10. From where do you supply this valve? We supply from Ahmedabad, Gujarat, India, to all major Indian cities.
──────────────────────────────────────────────────────── CONTACT INFORMATION ────────────────────────────────────────────────────────
Krishna Industries Ahmedabad, Gujarat, India Supplier of India Dual Plate Wafer Check Valve
For pricing, bulk orders, and technical discussion, contact our sales team.
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