| Customization: | Available |
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| Media: | Water |
| Temperature: | Ordinary Temperature |
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Product Overview
Introducing the H71 Wafer Check Valve, an engineering marvel meticulously crafted to redefine compactness! Featuring an innovative wafer connection design, this valve slashes the structural length to an impressive 1/4 to 1/8 of the traditional flange check valves. This revolutionary approach means the valve is exceptionally lightweight, tipping the scales at a mere 1/4 to 1/20 the weight of conventional counterparts. Enjoy the swift closure that effectively curtails the risk of water hammer while ensuring minimal fluid resistance. Effortlessly installable in both horizontal and vertical pipelines, the H71 Wafer Check Valve triumphs in efficiency over the bulky, maintenance-heavy traditional H41 flange check valves. Elevate your pipeline operations with the cutting-edge advancements of the H71 Valve.
Structural Features
- Experience unparalleled speed with our Fast Closure feature. The spring-loaded disc offers exceptionally rapid, short-stroke closure, significantly reducing water hammer pressure even in high-flow scenarios, ensuring your operations run smoothly and efficiently.
- Our Sealing Performance stands unrivaled. The single-disc operates vertically with a spring-assisted mechanism, guaranteeing a perfect seal with zero leaks, promising an impressively extended service life to meet all your sealing needs.
- Embrace Material Versatility with a selection of carbon steel, stainless steel (304/316/316L), and duplex steel. Customize components like the body and disc to satisfy a diverse range of media requirements, ensuring robust performance in various applications.
Application Range
- Media Compatibility is virtually limitless! This valve is engineered for water, steam, oil, nitric acid, acetic acid, highly oxidative media, and urea. Its materials extend compatibility to even the most corrosive environments, providing unmatched flexibility in application.
- Operating Parameters:
- Pressure Rating: A robust range of PN10-PN420 (Class150-Class2500) is offered to handle various operational demands with durability and reliability.
- Size Range: Available in versatile sizes from DN15-DN600, this valve can seamlessly fit any application, providing unmatched adaptability to meet diverse needs.
- Temperature Range: An exceptional flexibility range from a chilling -196°C to a scorching 540°C, ensuring peak performance in extreme conditions.
- Industry Applications: Proudly serving industries like petrochemical, power generation, metallurgy, food processing, environmental protection, and municipal pipeline systems, delivering excellence and reliability in every sector.
Technical Standards
- Design & Manufacturing: Adheres meticulously to JB/T 8937 and API 594 standards, assuring top-notch quality and reliability that you can trust.
- Flange Connections: Perfectly compatible with GB/T 9113, ASME B16.5, and internationally recognized standards, ensuring seamless integration into existing systems.
- Testing & Certification: Compliant with API 598, GB/T 13927 testing protocols. Select manufacturers boast ISO 9001, API 6D certifications, reinforcing our commitment to quality excellence and assurance.
Installation & Maintenance
- Flow Direction: Ensure flawless installation by aligning the medium flow with body arrow markings for straightforward horizontal or vertical mounting, simplifying setup and maintenance.
- Support Requirements: For larger valves, independent supports are critical to prevent pipeline stress from impacting sealing integrity, safeguarding long-term performance and operational stability.
Performance Parameters
- Flow Resistance Coefficient: Ingeniously engineered to decrease with increasing diameter. For instance, DN50: 2.6; DN1200: 0.7, enhancing overall operational efficiency.
- Flow Capacity: Demonstrates remarkable throughput efficiency, with the DN100 valve showcasing an outstanding Kv=289 m³/h (Cv=338 per US standards), ensuring optimal performance.
Material Configuration
- Standard Options:
- Body: Choose from robust WCB, 304/316 stainless steel to ensure unmatched durability and long-lasting performance.
- Disc & Spring: Available in high-performance stainless steel/alloy steel, offering resilience and reliability under demanding conditions.
- Sealing Surface: Select between resilient rubber or a hard-faced alloy overlay for optimal sealing, ensuring performance meets your highest expectations.
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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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