Stainless Steel Vertical Check Valve With Full Bore Size 1/4" To 4"

Product Description

Engineered for reliable backflow prevention and optimal fluid control, our Stainless Steel Thread Check Valve is designed to meet the rigorous demands of modern industrial piping systems. Manufactured through advanced investment casting and precision CNC lathe processing, this valve ensures exceptional structural integrity, dimensional accuracy, and long-term operational stability. Featuring a full bore design, it minimizes pressure drop and maximizes flow efficiency, making it an ideal choice for diverse industrial applications.

Comprehensive Technical Specifications

To facilitate accurate component selection for your specific project requirements, we provide detailed and transparent technical parameters. Our check valves are constructed with premium materials and conform to international connection standards, ensuring seamless integration into your existing infrastructure.

• Size Range: 1/4" to 4" (DN8-DN100) Full Bore
• Valve Type: Vertical Check Valve, Horizontal Check Valve, Wafer Check Valve
• End Connection: Screwed Cap and Female Threaded (Inside Threaded) BSPT, BSP, NPT, DIN259/2999, ISO 228
• Manufacturing Process: Investment Casting Body and CNC lathe processing
• Working Pressure: 200PSI
• Operation Mode: Manual operation
• Core Material: ASTM A358 CF8, CF8M, SS304, SS316
• Structural Features: Adjustable Stem Packing, Swing type disc, integral seat
• Applicable Medium: Water; Oil; Gas; Other compatible fluids
• Brand: LIANHE
• HS Code: 8421211000
• Country of Origin: Wenzhou, China

Strict Quality Control & Certifications

Quality assurance is at the core of our manufacturing process. We implement a rigorous inspection system to significantly reduce procurement risks and ensure every valve performs reliably under pressure. The product is backed by authoritative international certifications and comprehensive testing protocols.

• Certification Certificate: ISO9001:2015, GB/T19001-2016, CE
• Factory Inspection Reports & Certificates:
  • EN 10204/3.1B-MTC
  • Raw material inspection certificate
  • 100% Radiography Test Report
  • Hydraulic seal test report
  • Thread inspection report
  • Third Party Inspection Report, etc.

Versatile Applications & Core Advantages

Application Industries: Designed for versatility, these stainless steel check valves are widely utilized across multiple sectors including construction, refrigeration, fuel gas distribution, medical facilities, food processing, environmental protection equipment, chemical processing, and water treatment equipment.

Product Advantages: The primary value of this valve lies in its simple construction and straightforward installation process, which helps reduce labor costs and downtime. Furthermore, it offers outstanding sealing performance to prevent leakage, excellent corrosion resistance against harsh media, and an extended service life, ensuring long-term operational efficiency and minimizing maintenance requirements.

Packaging Standards & Commercial Terms

To guarantee that the products arrive at your facility in pristine condition, we employ standard seaworthy packing methods. We also offer flexible commercial terms to accommodate your procurement processes.

• Packing Details: Plastic packaging bag + Cartons + Wooden Cases or Pallet; Standard Seaworthy Packing designed to withstand long-distance transit and prevent physical damage or moisture ingress.
• Payment Term: 30% TT Deposit + 70% TT Payment Before Delivery, and LC Sight. (Note: Other differences may be negotiated. T/T, Western Union, Paypal Etc. are supported).
• Free Samples: Yes, samples are available free of charge to help you verify the quality before bulk purchasing. (Please note: the express delivery fee is not covered).

FAQ

1. Are you a trading company or a manufacturer?

We are a direct manufacturer specialized in producing high-quality stainless steel threaded pipe fittings and industrial valves, including vertical check valves.

2. Is OEM/ODM acceptable?

Yes, Wenzhou Lianhe fully accepts OEM and ODM orders based on bulk quantities to meet your specific project requirements. We also operate our own established brand, successfully exporting to various countries worldwide.

3. What is your terms of delivery?

We offer flexible delivery terms to suit your purchasing strategy, including EXW, FOB, CFR, and CIF. You can choose the option that is most convenient or cost-effective for your supply chain.

4. What are the modes of transportation?

We support multiple transportation modes, including land, sea, air freight, and international express, ensuring your goods arrive safely and on schedule depending on your urgency.

5. Can we visit your factory before place the order?

Yes, you are very welcome to visit our factory. We highly value face-to-face communication as it helps establish a strong, long-term business relationship and allows you to inspect our manufacturing capabilities firsthand.

6. How to solve the equipment trouble during using?

If you encounter any issues, please email us with a description, pictures, or a short video. Our technical team will quickly analyze the problem and provide a reliable solution. If a component is broken and within the warranty period, we will send you a new replacement part for free.

7. What is the difference between horizontal check valves and vertical check valves?

Both serve to prevent medium backflow, but their operating principles differ. A horizontal check valve relies on the flow of the medium and gravity to automatically open and close its internal components. Conversely, a vertical check valve relies on the medium's inlet pressure to overcome the external force of a built-in spring to achieve opening and closing.

In addition, horizontal check valves are strictly installed on horizontal pipelines, while vertical check valves are specifically designed for installation on vertical pipelines.

Wenzhou Lianhe is equipped with advanced precision manufacturing instruments and backed by an efficient, progressive, and dedicated team, ensuring reliable products and excellent service for every client.