Wafer Check Valve Price List India 2026
KELOR Valves — As established wafer check valve manufacturers in India, our price list reflects mid-to-late 2026 market averages for direct manufacturer supply from our Ahmedabad facility. This comprehensive guide covers Single Plate Swing Check and Dual Plate Wafer Check valves. Prices cover Cast Iron (CI), Ductile Iron (DI), Carbon Steel (WCB), and Stainless Steel (SS304/SS316). All prices are ex-works, exclusive of 18% GST.
Topic at a Glance
Table of Contents
- Wafer Check Valve Price in India: Overview & Standards
- Cast Iron (CI) & Ductile Iron (DI) Price Chart
- Stainless Steel (SS304 / SS316) Price Chart
- Carbon Steel (WCB) Price Chart
- Single Plate vs. Dual Plate Cost & Performance
- Engineering: Water Hammer & Joukowsky Equation
- Wafer vs. Flanged Check Valve Comparison
- Bulk Discount Tiers for EPC & OEM Orders
- Manufacturing & Raw Material Cost Drivers
- People Also Ask
Wafer Check Valve Price in India: Overview & Standards
This industrial wafer check valve cost and buying guide India details how foundry casting costs, CNC machining, and testing impact your final quote. Wafer Check Valves (also known as Non-Return Valves or NRVs) are designed to prevent backflow in piping systems, protecting pumps, compressors, and sensitive equipment from reverse flow damage. Unlike traditional flanged swing check valves, wafer check valves are “sandwiched” between two pipe flanges using standard bolts. This compact design reduces the face-to-face dimension by up to 80%, drastically lowering material costs, shipping weight, and installation space requirements. KELOR valves are manufactured and tested in strict compliance with API 594 (Check Valves: Flanged, Lug, Wafer, and Butt-Welded), API 6D (Pipeline Valves), and Indian Standard IS:14816.
| Parameter | Cast Iron (CI / DI) | Carbon Steel (WCB) | Stainless Steel (CF8 / CF8M) |
|---|---|---|---|
| Material Standard | IS:210 / ASTM A126 | ASTM A216 WCB | ASTM A351 CF8 (304) / CF8M (316) |
| Design Standard | API 594 / IS:14816 | API 594 / API 6D | API 594 / API 6D |
| Pressure Rating | PN10 / PN16 | Class 150 / Class 300 | Class 150 / Class 300 / PN40 |
| Seat Material | EPDM / Nitrile (Buna-N) | Metal-to-Metal / Stellite Overlay | PTFE / Viton / Metal-to-Metal |
| Primary Use | Water, HVAC, Firefighting, Irrigation | Oil, Gas, Steam, Non-corrosive liquids | Chemicals, Pharma, Food, Marine |
Understanding API 594 vs API 6D for Indian Procurement
For general industrial, water treatment, and HVAC applications across India, API 594 is the standard specification and offers the most cost-effective solution. However, if you are supplying to Oil & Gas pipelines, cross-country petroleum transport, or high-pressure hydrocarbon systems (e.g., Reliance, ONGC, or GAIL projects), API 6D certification is strictly mandated. API 6D valves undergo more rigorous hydrostatic and pneumatic shell testing and require full material traceability. Always confirm the project specification sheet before ordering to avoid site rejection.
Cast Iron (CI) & Ductile Iron (DI) Price Chart — Per Piece (INR)
Cast Iron (CI) and Ductile Iron (DI) wafer check valves dominate the Indian municipal water supply, firefighting (HDPE/PVC pipe networks), and commercial HVAC sectors. When reviewing any wafer type check valve price list India, note that Ductile Iron (GGG40/GGG50) commands a slight premium over standard Grey Cast Iron due to its superior tensile strength and impact resistance, making it mandatory for high-pressure water mains and underground valve chambers. Prices below are for standard EPDM seated valves suitable for water and air service up to 80°C. For municipal water supply applications, cast iron butterfly valves offer a cost-effective solution with proven reliability.
| Size (Inches / MM) | Cast Iron (CI) Single Plate | Ductile Iron (DI) Dual Plate | Approx. Weight (kg) |
|---|---|---|---|
| 2″ (50mm) | ₹1,160 | ₹1,850 | 3.5 kg |
| 3″ (80mm) | ₹1,650 | ₹2,400 | 5.2 kg |
| 4″ (100mm) | ₹2,100 | ₹3,200 | 7.8 kg |
| 6″ (150mm) | ₹3,400 | ₹5,100 | 14.5 kg |
| 8″ (200mm) | ₹5,200 | ₹7,800 | 24.0 kg |
| 10″ (250mm) | ₹7,500 | ₹11,200 | 36.5 kg |
| 12″ (300mm) | ₹9,800 | ₹15,800 | 52.0 kg |
| 16″ (400mm) | ₹16,500 | ₹24,500 | 85.0 kg |
| 20″ (500mm) | ₹24,000 | ₹35,000 | 130.0 kg |
| 24″ (600mm) | ₹32,500 | ₹48,000+ | 185.0 kg |
Stainless Steel (SS304 / SS316) Price Chart — Per Piece (INR)
Stainless Steel wafer check valves are mandatory for India’s chemical, pharmaceutical, dairy, and food processing industries (especially in Gujarat and Maharashtra MIDC belts). SS304 (CF8) is standard for mild corrosives and food-grade applications, while SS316 (CF8M) is required for chloride environments, marine applications, and aggressive acids. Seat materials for SS valves are typically PTFE (Teflon) or Viton to handle higher temperatures and chemical attack.
| Size (Inches) | SS304 (CF8) Class 150 | SS316 (CF8M) Class 150 | SS316 (CF8M) Class 300 |
|---|---|---|---|
| 1″ (25mm) | ₹2,400 | ₹3,200 | ₹4,500 |
| 2″ (50mm) | ₹4,800 | ₹6,500 | ₹8,900 |
| 3″ (80mm) | ₹7,200 | ₹9,800 | ₹13,500 |
| 4″ (100mm) | ₹11,500 | ₹15,200 | ₹21,000 |
| 6″ (150mm) | ₹18,500 | ₹24,000 | ₹34,500 |
| 8″ (200mm) | ₹28,000 | ₹38,500 | ₹52,000 |
| 10″ (250mm) | ₹42,000 | ₹56,000 | ₹78,000 |
| 12″ (300mm) | ₹65,000 | ₹85,000 | ₹1,15,000 |
| 16″ (400mm) | ₹95,000 | ₹1,25,000 | ₹1,65,000 |
| 24″ (600mm) | ₹1,45,000 | ₹1,76,330+ | Custom Quote |
Carbon Steel (WCB) Price Chart — Per Piece (INR)
WCB (Wrought Carbon Steel) wafer check valves bridge the gap between brittle Cast Iron and expensive Stainless Steel. They are the standard choice for oil & gas pipelines, thermal power plants, and high-temperature steam or hydrocarbon services where pressures exceed PN16. WCB valves can handle temperatures up to 425°C when fitted with metal-to-metal or Stellite overlay seats.
| Size (Inches) | WCB Class 150 | WCB Class 300 |
|---|---|---|
| 2″ (50mm) | ₹3,500 | ₹5,200 |
| 4″ (100mm) | ₹6,800 | ₹9,500 |
| 6″ (150mm) | ₹11,200 | ₹16,500 |
| 8″ (200mm) | ₹17,500 | ₹24,000 |
| 12″ (300mm) | ₹32,000 | ₹45,000+ |
Single Plate vs. Dual Plate Cost & Performance
The most common engineering decision when specifying wafer check valves is choosing between a traditional Single Plate (Swing) design and a modern Dual Plate (Folding Disc) design. The dual plate wafer check valve price India is typically 15% to 25% higher than single plate variants, but they solve critical hydraulic issues like water hammer that frequently destroy single plate valves and piping systems in pump discharge lines.
| Feature | Single Plate (Swing Check) | Dual Plate (Folding Disc) |
|---|---|---|
| Relative Cost | Base Price (1x) | +15% to +25% Premium |
| Weight & Size | Heavy, longer face-to-face length | Ultra-compact, 50% lighter |
| Closing Mechanism | Relies on gravity & reverse flow to close | Spring-assisted, closes before flow reversal |
| Water Hammer | High risk (slamming effect) | Eliminated (non-slam design) |
| Installation | Must be installed horizontally or vertically up | Can be installed in any orientation (horizontal/vertical) |
| Best Application | Low velocity, gravity flow, HVAC return lines | Pump discharge, high velocity, compressor lines |
Installation Orientation Tip
Because Single Plate valves rely on gravity to return the heavy disc to the closed position, they must be installed in horizontal pipelines with the hinge pin at the top, or in vertical pipelines with upward flow. If installed incorrectly, the disc will not seal. Dual Plate valves, utilizing torsion springs, are completely independent of gravity and can be installed in horizontal, vertical (up or down flow), or even angled pipelines without any loss of sealing performance.
Engineering: Water Hammer & The Joukowsky Equation
Why do EPC engineers specify Dual Plate valves despite the 20% price premium? The answer lies in fluid dynamics. When a pump stops suddenly, fluid reverses direction. A Single Plate valve waits for the reverse flow to push the heavy disc shut, causing a massive shockwave (Water Hammer) that bursts pipes. A Dual Plate valve uses springs to shut before the fluid reverses.
The Joukowsky Equation (Water Hammer Pressure Rise)
Formula: ΔP = ρ × c × Δv
Where:
ΔP= Magnitude of pressure surge (Water Hammer)ρ= Fluid density (e.g., 1000 kg/m³ for water)c= Speed of sound in the fluid (approx. 1480 m/s in water)Δv= Change in fluid velocity at the moment of valve closure
The KELOR Dual Plate Advantage: By utilizing spring-assisted closure, the Dual Plate valve reaches the closed position before flow reversal occurs. Therefore, Δv approaches zero smoothly, eliminating the massive ΔP pressure spike. Spending ₹2,000 more on a Dual Plate valve routinely saves lakhs of rupees in avoided pipeline bursts and pump impeller damage in Indian municipal water and industrial pumping stations.
Wafer vs. Flanged Check Valve Comparison
Why do EPC contractors and OEMs prefer Wafer Check Valves over traditional Flanged Check Valves? The economics and logistics heavily favor the wafer design for 90% of standard piping applications.
Important Installation Limitation
Wafer Check Valves cannot be used for end-of-line service. Because they do not have their own bolt holes, they must be sandwiched between two mating flanges to hold the valve body together and seal the pipeline. If you need a valve at the very end of a pipe discharging to a tank or atmosphere, you must use a Flanged or Lug-type Check Valve.
Bulk Discount Tiers for EPC & OEM Orders
Indian valve manufacturers operate on volume-based pricing. Procurement for EPC water projects, OEM skid manufacturing, and annual maintenance contracts (AMC) qualify for progressive discounts. The tiers below apply to consolidated orders shipped from our Ahmedabad manufacturing facility.
| Order Value (INR) | Typical Discount | Buyer Profile | Additional Perks |
|---|---|---|---|
| Under ₹50,000 | List price | Retail / Local Hardware / Maintenance | Standard dispatch (5-7 days) |
| ₹50,000 – ₹2,00,000 | 5% – 8% off | Small Contractors / Fabricators | Free PMI testing on SS valves |
| ₹2,00,000 – ₹10,00,000 | 10% – 15% off | Industrial OEMs / EPC Subcontractors | Free 3.1 Mill Test Certificates |
| ₹10,00,000+ | 15% – 22% off | Large EPC / Government Tenders | Dedicated account manager, priority CNC machining |
Manufacturing & Raw Material Cost Drivers
Unlike machined fasteners, valve pricing is heavily influenced by foundry casting costs, CNC machining time, and hydrostatic testing overhead. The prices in this 2026 guide reflect current Indian foundry rates for sand casting and investment casting.
| Raw Material / Process | Cost Impact | Trend (2026) | Impact On |
|---|---|---|---|
| Grey Iron / WCB Scrap | Base Foundry Cost | Stable | CI, DI, and WCB valve bodies |
| SS316 / Molybdenum | High Alloy Premium | Slight upward trend | Drives the 35% premium of SS316 over SS304 |
| VTL CNC Machining | High Overhead | Stable | Larger valves (16″+) require massive lathes |
| API 598 Testing | Quality Assurance | Mandatory | Hydrostatic shell and seat leakage testing |
| Inconel / SS Springs | Component Cost | Stable | Dual Plate torsion springs for non-slam closing |
Chemical & Petrochemical
SS316 (CF8M) Dual Plate valves with Viton seats for aggressive acids and chlorides in hubs like Dahej, Vapi, and Mumbai MIDC. Prevents backflow into sensitive reactor vessels.
Municipal Water & HVAC
Ductile Iron (DI) Single Plate valves for cooling towers, RO plants, and municipal pumping stations. EPDM seats ensure zero-leakage at low PN16 pressures.
Power & Thermal Plants
WCB Carbon Steel valves with Stellite overlay seats for high-temperature steam and feedwater lines (NTPC, Adani Power). Handles temperatures up to 425°C.
Pharma & Dairy
SS304 (CF8) valves with PTFE seats and electropolished finishes for hygienic, food-grade, and sanitary CIP (Clean-In-Place) systems.
Commercial Specifications
API 598 Hydrostatic Testing
Every valve is subjected to 1.5x rated pressure shell testing and 1.1x seat leakage testing before dispatch, ensuring zero-leakage performance in critical pipelines.
3.1 Material Traceability
Full EN 10204 Type 3.1 certificates provided for WCB and Stainless Steel valves, detailing exact chemical composition and mechanical properties for EPC compliance.
Pan-India Supply Network
Rapid dispatch to major industrial hubs: Dahej/Vapi (Chemicals), Pune/Mumbai (OEMs), Chennai (Automotive), and NCR (Infrastructure) via trusted surface transport.
Free CAD Drawings
2D PDF and 3D STEP/CAD models available for all standard wafer check valves to assist EPC engineers with piping layout and clash detection.
Custom Face-to-Face Dimensions
Need a valve to replace an existing European or Japanese make? We can machine custom face-to-face lengths to match your existing pipe spool without modifying the pipeline.
EIL & Vendor Approvals
KELOR is an approved vendor for multiple Indian EPC giants and PSU undertakings. Contact our sales team for current vendor approval lists and technical questionnaires.
Important Disclaimer
All prices published in this 2026 guide are indicative market rates for standard API 594 / IS:14816 compliant Wafer Check Valves and are intended for budgetary estimation. Actual quoted prices will vary based on exact pressure class (PN10 vs PN40), seat material (EPDM vs Viton vs PTFE), actuation requirements, and current raw metal indices. Always request a formal Proforma Invoice (PI) from our sales desk before finalizing project budgets. Prices exclude 18% GST and freight.
Download the Complete 2026 wafer check valve price list PDF India & CAD Drawings
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