| Customization: | Available |
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| Media: | Water |
| Temperature: | Ordinary Temperature |
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Product Overview
Introducing the H71 Wafer Check Valve, a marvel of compact engineering that revolutionizes traditional design! This state-of-the-art valve boasts an ingenious wafer connection, dramatically reducing its structural length to a mere fraction-1/4 to 1/8-of conventional flange check valves. Its weight is equally revolutionary, weighing in at just 1/4 to 1/20 of standard solutions, setting a new benchmark in lightweight design. Revel in the swift closure mechanism that effectively minimizes water hammer risk and enjoy the luxury of low fluid resistance for optimal performance. Crafted for effortless horizontal and vertical pipeline integration, the H71 outshines the bulky, maintenance-heavy traditional H41 flange check valves, promising an upgrade in pipeline efficiency with this cutting-edge solution.
Structural Features
- Discover lightning-fast closure with our Fast Closure feature. Our spring-loaded disc ensures rapid, short-stroke closure, drastically reducing water hammer pressure, even amidst high-flow scenarios.
- Our Sealing Performance is unparalleled. The single-disc, enhanced by a spring-assisted mechanism, ensures a perfect seal with zero leaks, delivering an impressively extended service life.
- Experience Material Versatility with choices in carbon steel, stainless steel (304/316/316L), and duplex steel. These options allow customization of components like the body and disc to meet diverse media requirements with precision and reliability.
Application Range
- Media Compatibility is virtually limitless! This valve caters to water, steam, oil, nitric acid, acetic acid, highly oxidative media, and urea. Its material composition extends its suitability to even the most corrosive environments, ensuring broad-spectrum application.
- Operating Parameters:
- Pressure Rating: Withstands robust conditions with a pressure range from PN10-PN420 (Class150-Class2500), offering reliability you can count on.
- Size Range: A versatile spectrum from DN15-DN600, ensuring the perfect fit for any application.
- Temperature Range: Equipped for remarkable flexibility, operating from a chilling -196°C to a scorching 540°C, making it suitable for various extreme conditions.
- Industry Applications: This valve proudly serves a myriad of sectors, including petrochemical, power generation, metallurgy, food processing, environmental protection, and municipal pipeline systems, delivering unparalleled excellence.
Technical Standards
- Design & Manufacturing: Adheres rigorously to JB/T 8937, API 594, ensuring superlative quality and reliability in every unit.
- Flange Connections: Seamlessly compatible with GB/T 9113, ASME B16.5, and other prestigious international standards, ensuring a flawless connection.
- Testing & Certification: Strict compliance with API 598, GB/T 13927 testing protocols is guaranteed. Select manufacturers also boast ISO 9001, API 6D certifications, affirming a legacy of quality excellence.
Installation & Maintenance
- Flow Direction: Align effortlessly with the medium flow using body arrow markings, facilitating straightforward horizontal or vertical mounting for seamless installation.
- Support Requirements: Larger valves necessitate independent supports to avert pipeline stress impacting sealing integrity, safeguarding sustained performance and durability.
Performance Parameters
- Flow Resistance Coefficient: Ingeniously engineered to decrease as diameter increases, enhancing efficiency-DN50 boasts 2.6; DN1200 showcases 0.7.
- Flow Capacity: Exemplifying remarkable throughput efficiency, the DN100 valve presents a Kv=289 m³/h (equivalent to Cv=338 per US standards), underscoring its superior capacity.
Material Configuration
- Standard Options:
- Body: Choose from durable WCB, 304/316 stainless steel for exceptional resilience and longevity.
- Disc & Spring: Available in top-tier stainless steel/alloy steel, ensuring high performance and reliability.
- Sealing Surface: Opt for resilient rubber or a robust hard-faced alloy overlay for optimal sealing performance, tailored to your needs.
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| Pressure Rating | PN10~PN40 (or Class 150~300) |
| Nominal Diameter | DN50~DN600 (2"~24") |
| Temperature Range: | Stainless Steel: -29ºC~200ºC (rubber seal) / 425ºC (metal seal) |
| Carbon Steel: -29ºC~425ºC | |
| Connection Standards | GB, ANSI, DIN, JIS wafer flange dimensions. |
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