| Customization: | Available |
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| Media: | Water |
| Temperature: | Ordinary Temperature |
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Product Overview
Introducing the cutting-edge H71 Wafer Check Valve, a marvel of compact engineering excellence! This valve's revolutionary wafer connection design remarkably slashes the structural length to a mere 1/4 to 1/8 of that of conventional flange check valves. This represents an outstanding leap forward in reducing both size and weight-it is featherlight at just 1/4 to 1/20 the weight of traditional solutions. Revel in the advantage of its rapid closure, which significantly cuts down the risk of water hammer, while maintaining impressively low fluid resistance. Engineered for effortless installation in both horizontal and vertical pipelines, this valve triumphs over the cumbersome nature and maintenance complexities of traditional H41 flange check valves. Transform your pipeline efficiency with the state-of-the-art solution that is the H71!
Structural Features
- Experience unparalleled operational speed with our Fast Closure feature. The spring-loaded disc provides an ultra-rapid, short-stroke closure, dramatically minimizing water hammer pressure even in high-flow scenarios.
- Our Sealing Performance is second to none. The single-disc operates vertically with a spring-assisted mechanism, guaranteeing a flawless seal, zero leaks, and an extraordinarily long service life.
- Embrace Material Versatility with a spectrum of options in carbon steel, stainless steel (304/316/316L), and duplex steel, allowing customization of components like the body and disc to meet diverse media requirements.
Application Range
- Media Compatibility that knows no boundaries! This valve is adeptly suited for water, steam, oil, nitric acid, acetic acid, highly oxidative media, and urea, with materials extending its compatibility to even the most corrosive environments.
- Operating Parameters:
- Pressure Rating: Boasting a robust range from PN10-PN420 (Class150-Class2500) to handle demanding applications.
- Size Range: Offering versatile sizes from DN15-DN600 to perfectly fit any application.
- Temperature Range: Delivering exceptional flexibility from a frigid -196°C to a scorching 540°C.
- Industry Applications: Proudly serving a multitude of industries including petrochemical, power generation, metallurgy, food processing, environmental protection, and municipal pipeline systems with unparalleled excellence.
Technical Standards
- Design & Manufacturing: Rigorously adheres to JB/T 8937, API 594, ensuring top-tier quality and reliability.
- Flange Connections: Seamlessly compatible with GB/T 9113, ASME B16.5, and other prestigious international standards.
- Testing & Certification: Fully compliant with API 598, GB/T 13927 testing protocols. Select manufacturers boast ISO 9001, API 6D certifications, underscoring exceptional quality.
Installation & Maintenance
- Flow Direction: Effortlessly align the medium flow with body arrow markings for straightforward horizontal or vertical installation.
- Support Requirements: For larger valves, it is crucial to provide independent supports to prevent pipeline stress from compromising sealing integrity, safeguarding long-term performance.
Performance Parameters
- Flow Resistance Coefficient: Ingeniously engineered to decrease with increasing diameter, such as DN50: 2.6; DN1200: 0.7, significantly enhancing efficiency.
- Flow Capacity: Showcases remarkable throughput efficiency with the DN100 valve exhibiting a Kv=289 m³/h (Cv=338 per US standards).
Material Configuration
- Standard Options:
- Body: Choose from robust WCB, 304/316 stainless steel for unmatched durability.
- Disc & Spring: Available in high-performance stainless steel/alloy steel for superior performance.
- Sealing Surface: Select between resilient rubber or a hard-faced alloy overlay for optimal sealing effectiveness.
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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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