Ball Valve Manufacturer- Zhejiang Haoqiu Flow Control Technology Co., Ltd.

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Ball Valve Component Manufacturer
Precision, Reliability, Customization

Ball, Seat & Body — Core components for fluid control

Wide compatibility — Sizes & pressure ranges to meet diverse needs

Advanced surface coatings — Durability & leak-free performance

Certified Quality (ISO) — Confidence you can rely on

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Ball Valve Ball

The ball valve ball is a critical component of the ball valve assembly. It is designed to control the flow of fluids by rotating a spherical element within the valve body. The ball valve ball is typically made from durable materials such as stainless steel, brass, or other corrosion-resistant alloys to ensure long-term reliability and performance in various industrial applications.

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Nominal Size: NPS2''~80''（DN50～2000）

Pressure Level: Class 150-2500

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

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Soft Sealing Ball Valve Ball
Nominal Size: NPS2''~64''（DN50～1600）

Pressure Level: Class 150-2500

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

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Hard Seal Ball Valve Ball
Nominal Size: NPS2''~80''（DN50～2000）

Pressure Level: 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, Inconel

Coating: Nitridation, ENP, Chrome plating, Tungsten carbide, Chromium carbide, Cobalt-based alloys, Nickel-based alloys, Spray Stellite, Spray Nickel Alloy, Spray Cobalt Alloy Etc.

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Trunnion Ball Valve Ball
Nominal Size: NPS1''~24''（DN25～600）

Pressure Level: Class 150~1500(PN20~250)

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

Coating: Nitridation, ENP, Chrome plating, Tungsten carbide, Chromium carbide, Cobalt-based alloys, Nickel-based alloys, Spray Stellite, Spray Nickel Alloy, Spray Cobalt Alloy Etc.

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Rod Ball Valve Ball
Nominal Size: NPS 1/2”-20

Pressure Level: Class 150-2500

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

Coating: Nitridation, ENP, Chrome plating, Tungsten carbide, Chromium carbide, Cobalt-based alloys, Nickel-based alloys, Spray Stellite, Spray Nickel Alloy, Spray Cobalt Alloy Etc.

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Floating Ball Valve Ball
Nominal Size: NPS 2”-24”

Pressure Level: Class 150-2500

Basic Materials: ASTM A105, A350 LF2, A182 F316, A182 F6A, A182 F51, A182 F53, Monel, Inconel

Coating: ENP, Chrome plating, Tungsten carbide, Chromium carbide, Cobalt-based alloys, Nickel-based alloys

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Special-shaped Ball Valve Ball

Ball Valve Seat

The ball valve seat is a crucial component in the structure of ball valves. It plays a vital role in ensuring the proper sealing and operation of the valve. This article will provide detailed information about the ball valve seat, including its features, materials, applications, and maintenance.

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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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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

Plugins: PTFE, PEEK, RPTFE, PPL, Delvon, PCTFE, TFM1600, POB, UPE

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Soft Sealing Valve Seat

Ball Valve Body

The Ball Valve Body is a crucial component in the ball valve assembly. It serves as the main housing that contains the ball, seats, and other internal parts. The design and quality of the Ball Valve Body directly affect the performance and reliability of the entire valve.

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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, Painting, Zinc Plating

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Ball Valve Body

About Us

Precision Engineered Valve Components for Critical Industries

We specialize in manufacturing valve balls and valve seats in compliance with ANSI, API, DIN, and GB standards. With ball sizes ranging from 1"–80" (DN15–DN1800) and pressure ratings from 150LB–2500LB, we provide reliable solutions for the most demanding industrial applications.

Backed by 110+ advanced machining centers and CNC systems, and offering materials from carbon steel and stainless steel to Inconel, Monel, and Hastelloy, we deliver products that ensure precision, durability, and high performance. Our components are trusted worldwide across the oil & gas, petrochemical, power generation, and nuclear sectors.

1990

Founded in
120+

Employees
25000m²

Factory Area

Zhejiang Haoqiu Flow Control Technology Co., Ltd.

Why Haoqiu Only

01.Strong R&D Capability.

A dedicated R&D team capable of developing and producing customized products based on customer drawings or samples, ensuring tailored solutions for diverse applications.

02.Diverse Product Portfolio.

Expertise in stainless steel floating spheres, fixed spheres, hollow spheres, and a wide range of valve balls in different materials, meeting global industrial needs.

03.High Production Capacity.

With an annual output exceeding 50,000 tons, we are equipped to handle orders of all sizes, supporting customers with both large-scale and specialized demands.

04.Rigorous Quality Assurance.

Advanced testing facilities, including 3D coordinate measuring arms, spectrum analyzers, and hardness testers, guarantee superior product performance and consistent quality.