Stainless Steel Ball Valve

When selecting components for demanding fluid control applications, a durable and reliable shut-off device is paramount. The Stainless Steel Ball Valve stands as an industry benchmark, offering exceptional resistance to corrosion, high temperatures, and pressure. Its robust construction makes it suitable for a vast range of services, from chemical processing and water treatment to food & beverage and oil & gas industries. The versatility of the ball valve design extends to various connection types and configurations to meet specific system requirements. For applications requiring secure and quick-connect fittings, a Wire Buckle Ball Valve provides an excellent solution. When direct threading into pipelines is necessary, a standard Threaded Ball Valve offers a compact and leak-proof connection. Systems operating under extreme conditions often necessitate a High Pressure Ball Valve engineered with reinforced bodies and stems. Furthermore, for maximum strength and integrity in critical service, valves manufactured from solid billets, known as a Forged Ball Valve, deliver superior performance and longevity.


The core functionality of the Stainless Steel Ball Valve lies in its simple yet effective quarter-turn operation. A hollow, perforated ball inside the valve body rotates 90 degrees to either allow full flow or provide a complete seal. This design ensures minimal pressure drop when open and a bubble-tight shut-off when closed. Key to its reliability are the precision-machined components: the ball, stem, and seats. The ball is typically chrome-plated or made from a higher-grade stainless steel to ensure a smooth, low-friction surface and excellent sealing characteristics. Robust stem designs, often incorporating blow-out-proof features, guarantee safe operation even under high differential pressure. The seat materials, which can be PTFE, reinforced PTFE, or other advanced polymers, are selected based on the service temperature and media to ensure a long service life without leakage.

Technical Specifications & Materials

Our standard range of Stainless Steel Ball Valves is designed to meet international standards and specifications. Below are the typical parameters and material configurations.

Primary Design Standards & Ratings

  • Design Standard: API 608, ASME B16.34
  • Face-to-Face: ASME B16.10
  • Flange Dimensions: ASME B16.5, EN 1092-1
  • Fire Safe Design: API 607 / API 6FA / ISO 10497
  • Pressure Rating: Class 150, Class 300, PN16, PN25, PN40
  • Temperature Range: -20°C to +200°C (standard seats), up to +400°C with special seats
  • Operation: Lever, Gearbox, Pneumatic Actuator, Electric Actuator

Standard Material Breakdown

Component Standard Material (ASTM) Alternative Options
Valve Body & Bonnet A351 CF8 (SS304) / A351 CF8M (SS316) Duplex Stainless Steel (S31803/S32205), Super Duplex, Alloy 20
Ball SS304 / SS316, Chrome Plated Solid SS316, Hardened Stainless Steel
Stem SS304 / SS316, Blow-Out Proof Design 17-4PH Stainless Steel, Duplex Stainless Steel
Seats (Seals) Virgin PTFE (RPTFE) PEEK, Nylon, Metal Seated, Graphite
Stem Seals PTFE / Graphite Packing Flexible Graphite, High-Temperature Packing Sets
Gaskets Stainless Steel Spiral Wound (Graphite Filler) PTTE, Grafoil
Fasteners (Bolts/Nuts) ASTM A193 B8 (SS304) / B8M (SS316) ASTM A193 B8 Cl.2, ASTM A194 Gr.8

Hot Products

  • Pneumatic Gate Valve

    Pneumatic Gate Valve

    Hebei Gongchuang Fluid Equipment Co., Ltd. supplies high-quality Pneumatic gate valve, a professional automatic flow control valve driven by air pressure, suitable for bulk procurement, industrial automation project purchasing and OEM/ODM, widely used in automated pipeline systems.
  • Hard Sealed Gate Valve

    Hard Sealed Gate Valve

    Hebei Gongchuang Fluid Equipment Co., Ltd. supplies high-quality Hard sealed gate valve, a professional high-pressure sealing flow control valve, suitable for bulk procurement, wholesale and industrial project purchasing, widely used in high-pressure industrial pipeline systems for on-off control.
  • Cast Iron Threaded Gate Valve

    Cast Iron Threaded Gate Valve

    Hebei Gongchuang Fluid Equipment Co., Ltd. supplies high-quality Cast iron threaded gate valve, a professional threaded connection flow control valve, suitable for bulk procurement, wholesale and small-scale project purchasing, widely used in small-diameter pipeline systems.
  • Electric Gate Valve

    Electric Gate Valve

    Hebei Gongchuang Fluid Equipment Co., Ltd. supplies high-quality electric gate valve, a professional intelligent flow control valve driven by electricity, suitable for bulk procurement, intelligent project purchasing and OEM/ODM, widely used in intelligent pipeline systems.
  • Swing Check Valve

    Swing Check Valve

    Hebei Gongchuang Fluid Equipment Co., Ltd. supplies high-quality Swing Check Valve, a professional one-way flow control valve, suitable for bulk procurement, wholesale and custom ordering, widely used in various industrial and civil pipeline systems to prevent media backflow.
  • Disc Valve

    Disc Valve

    Hebei Gongchuang Fluid Equipment Co., Ltd.supplies high-quality disc valve, a professional industrial control valve specially designed for particle-containing media, with excellent wear resistance and stable performance, suitable for bulk procurement, wholesale and custom order, widely used in harsh industrial pipeline systems.​

Send Inquiry