spring loaded wafer check valve

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spring loaded wafer check valve

spring loaded wafer check valve

Type：H77X，H71W，H47H
Subtitle：Quick-Closing Wafer Check Valve
The Spring Loaded Wafer Check Valve is a compact, high-performance non-return valve designed to prevent reverse flow in piping systems requiring rapid closure and minimal pressure drop. Featuring a spring-assisted disc and wafer-style design, this valve ensures immediate sealing upon flow reversal, making it ideal for applications where water hammer prevention and space efficiency are critical. Constructed from stainless steel, carbon steel, or ductile iron, this valve is durable and corrosion-resistant, suitable for water, steam, oil, and gas systems. Its lightweight, flangeless design simplifies installation and reduces system weight, while the spring mechanism enhances reliability in dynamic flow conditions.
Category：Wafer Check Valve
Working conditions：food factory, paper mill, Petrochemical industry, pharmaceutical factory
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Product Overview

The Spring Loaded Wafer Check Valve is a compact, high-performance non-return valve designed to prevent reverse flow in piping systems requiring rapid closure and minimal pressure drop. Featuring a spring-assisted disc and wafer-style design, this valve ensures immediate sealing upon flow reversal, making it ideal for applications where water hammer prevention and space efficiency are critical.

Constructed from stainless steel, carbon steel, or ductile iron, this valve is durable and corrosion-resistant, suitable for water, steam, oil, and gas systems. Its lightweight, flangeless design simplifies installation and reduces system weight, while the spring mechanism enhances reliability in dynamic flow conditions.

Key Features

Spring-Assisted Closure:Integrated spring ensures rapid disc closure, minimizing water hammer and backflow risks.Low cracking pressure (as low as 0.1 psi) for efficient operation.

Wafer Design:Compact and lightweight, ideal for space-constrained installations.Installed between flanges without additional bolts or gaskets.

Low Resistance Design:Optimized flow path minimizes pressure drop, reducing energy consumption.Suitable for high-flow systems such as HVAC and water distribution networks.

Durable Construction:Body materials: Stainless steel (ASTM A351 CF8M), Carbon steel (ASTM A216 WCB), or Ductile iron (EN-GJS-400-18).Internals: Stainless steel disc and spring for corrosion resistance.

Compliance:Meets API 594, ASME B16.34, and ISO 17292 standards for industrial applications.

Operational Advantages

Rapid Closure: Spring mechanism ensures instant sealing, preventing backflow and water hammer.

Energy Efficiency: Low pressure drop reduces pump workload and energy costs.

Space-Saving: Wafer design minimizes installation space and system weight.

Low Maintenance: Self-cleaning disc and corrosion-resistant materials extend service life.

Why Choose Our Spring Loaded Wafer Check Valve?

Proven Reliability: Trusted in HVAC, water treatment, and industrial systems.

Global Compliance: Meets API, ASME, and ISO standards for international projects.

Custom Solutions: Optional coatings (epoxy, PTFE) or high-temp materials (Inconel).

Fast Delivery: Standard sizes in stock with 7-day global shipping.

Product Parameters

Size Range2" to 24" (DN50 to DN600)
Pressure RatingClass 150 to Class 900 (ASME B16.34)
Temperature Range-29°C to 200°C (-20°F to 392°F)
Body MaterialsStainless Steel (CF8M), Carbon Steel (WCB), Ductile Iron (EN-GJS-400-18)
Disc MaterialStainless Steel (316/304)
Spring MaterialStainless Steel (Inconel X750 for high-temp applications)
End ConnectionsWafer (fits between ANSI/EN/DIN flanges)

Medium

gas, oil, petroleum, steam, water

Working conditions

food factory, paper mill, Petrochemical industry, pharmaceutical factory, sewage treatment plant, water plant

Summarize

The Spring Loaded Wafer Check Valve is a versatile, high-efficiency solution for preventing reverse flow in dynamic piping systems. Its spring-assisted closure, compact wafer design, and compliance with industry standards make it ideal for applications demanding rapid response and space optimization. Whether in water treatment plants, HVAC networks, or industrial processes, this valve ensures reliable performance with minimal maintenance.

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