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China Hard Seal Valve Seat

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Metal Seated Valve Seat Wholesaler

Size: 1"-56"
Basic material: A105 Lf2 F304 F316 F51 F53 Monel 400 Monel -K500 INCOLOY 825 INCONEL 718 INCONEL 625 INCONEL 600 HASTELLOY C-276
Coating: Ni55A Ni60-WC15% STL20# STL12# STL6# Cr3C2/NiCr-75/25 Cr3C2/NiCr-80/20 WC/Co/Cr-86/10/4 WC/Co-88/12 WC/Co-83/17 WC/Cr/Ni-73/20/7 WC/Ni-90/10 /
Spraying method:  Oxyacetylene flame spray welding HVOF/HVAF (supersonic cold spray) Surfacing welding / / / / / / / / / /
Pressure rating: 150lb-2500lb
Operating temperature: -196℃~750℃
  • Hard Seal Valve Seat
    Hard Seal Valve Seat
    Hard Seal Valve Seat

    Hard Seal Valve Seat

    Nominal Size: NPS2''~56''(DN50~1400)

    Pressure Level: Class 150~2500(PN20~420)

    Basic Materials: ASTM A105, A350 LF2, A182 F304, A182 F316, A182 F6A, A182 F51, A182 F53, A564 630(17-4PH), Monel, Alloy

    Coating: ENP, Chrome Plating, Tungsten Carbide, Chrome Carbide, Stellite, Inconel, Special

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The Hard Seal Valve Seat is a critical component widely used in industrial applications for sealing purposes. This highly engineered valve seat ensures optimal performance by providing an airtight and leak-proof seal.

Durable and Reliable Materials

One of the main advantages of the Hard Seal Valve Seat is its use of high-quality materials. Manufactured from a wide range of alloys, such as A105, LF2, F304, F316, F51, F53, Monel 400, Monel K-500, INCOLOY 825, INCONEL 718, INCONEL 625, INCONEL 600, and HASTELLOY C-276, these materials ensure superior performance even under extreme conditions. The various alloys provide different benefits, such as high resistance to corrosion, high-temperature endurance, and mechanical strength. This wide selection of materials allows customers to choose the most suitable option for their specific application needs.

Advanced Coating Options

To enhance the performance and longevity of the Hard Seal Valve Seat, a variety of coating options are available. These coatings include Ni55A, Ni60-WC15%, STL20#, STL12#, STL6#, Cr3C2/NiCr-75/25, Cr3C2/NiCr-80/20, WC/Co/Cr-86/10/4, WC/Co-88/12, WC/Co-83/17, WC/Cr/Ni-73/20/7, and WC/Ni-90/10. These coatings are designed to offer superior wear resistance, prevent corrosion, and provide better sealing capabilities. The coatings also reduce the friction between the valve seat and other moving parts, which helps to extend the life of the equipment and reduce maintenance costs.

Multiple Spraying and Welding Techniques

The Hard Seal Valve Seat is manufactured using advanced spraying and welding techniques to ensure its high quality and reliability. The most common techniques include oxy-acetylene flame spraying, HVOF (High Velocity Oxygen Fuel), HVAF (High Velocity Air Fuel), and surfacing welding. These techniques ensure the coatings are applied uniformly, offering better adhesion and a smoother surface.

Wide Range of Pressure and Temperature Ratings

The Hard Seal Valve Seat is engineered to withstand extreme operating conditions. It is designed to handle pressures ranging from 150lb to 2500lb, making it suitable for a broad spectrum of industrial applications. The temperature range is also impressive, with the valve seat capable of operating in environments as low as -196°C and as high as 750°C. This wide range of pressure and temperature ratings ensures that the valve seat performs efficiently in both cryogenic and high-temperature conditions, making it ideal for applications in industries such as cryogenics, oil and gas, and power generation.

Precision and Customization

The dimensions of the Hard Seal Valve Seat are customizable, with sizes available from 1" to 56". This wide range of sizes allows the valve seats to be used in various types of equipment, from smaller pipelines to large industrial systems. The precise manufacturing process ensures that each valve seat meets stringent tolerances, ensuring a perfect fit and reliable sealing performance. Customization options also allow for the production of valve seats tailored to specific requirements, providing further flexibility to meet the diverse needs of different industries.

Enhanced Performance and Efficiency

The Hard Seal Valve Seat’s design is focused on enhancing both performance and efficiency. With its ability to handle extreme temperatures, pressures, and corrosive environments, it provides a reliable solution for maintaining system integrity. The high-quality materials and coatings, along with advanced manufacturing techniques, ensure that the valve seat performs optimally in demanding environments. This results in reduced downtime, lower maintenance costs, and improved system reliability, ultimately contributing to higher overall efficiency.

The Hard Seal Valve Seat is an essential component for any industrial application requiring reliable and durable sealing performance. With its wide range of material options, advanced coatings, precision manufacturing, and robust performance under extreme conditions, this valve seat offers unmatched reliability and efficiency.

About Us
Zhejiang Haoqiu Flow Control Technology Co., Ltd.
Zhejiang Haoqiu Flow Control Technology Co., Ltd.
Our company was formerly known as Wenzhou Hengye Valve Factory, which was founded in 1990. The new company covers an area of ​​15,000m² and is located in Liandu District, Lishui City, Zhejiang Province. Our company specializes in the production of valve balls and valve seats. As a China Hard Seal Valve Seat supplier and Hard Seal Valve Seat factory, we are mainly engaged in wholesale Hard Seal Valve Seat, Our company has scientific and reasonable processes and excellent equipment. We can provide users with balls of ANSI, API, DIN, GB and other standards. The ball diameter is 1"~80", DN15~DN1800, and the pressure level is 150LB~2500LB.
The production equipment is equipped with more than 110 large horizontal machining centers, large spherical grinders, CNC machine tools, supersonic spraying, thermal spraying and other equipment. The basic materials of balls and valve seats are mainly A105, LF2, 410, Inconel N06625, Inconel N0825, HC276, F304, F316, 17-4PH, F51, Monel400, MonelK500, etc.
Certificate of Honor
  • ISO 9001
  • ISO 14001
  • ISO 45001
  • Utility Model Patent
  • Utility Model Patent
  • Utility Model Patent