螺纹球阀, 螺纹球阀

Product Overview

This 3-Piece Threaded Ball Valve is a general-purpose pipeline on-off control valve with three-section split valve body as the core structure and standard threaded connection. The valve body adopts a three-section split design of left body + middle body + right body, which drives the ball to rotate 90° through the handle to quickly complete pipeline opening and closing. Its core advantage is online maintenance without disassembling the pipelines at both ends, with reliable sealing, convenient disassembly and assembly, and strong adaptability. It is the preferred valve for industrial and civil pipeline scenarios with high requirements for maintenance convenience.

Available in full sizes DN6–DN100 (NPS 1/8″–4″), it strictly complies with general valve standards including GB/T 12237, API 608 and ISO 17292. Widely used in fine chemical, food and beverage, pharmaceutical, water treatment, industrial automation equipment, hydraulic and pneumatic fields.

Key Features

1. Core 3-Piece Split Structure, Online Maintenance Without Shutdown

   The product fully focuses on the core design of 3-piece type. The valve body adopts a three-section split forging structure of left body + middle body + right body. Compared with 1-piece/2-piece ball valves, only need to remove the connecting bolts in the middle of the valve body, the complete valve internals including ball, valve seat and stem can be taken out. No need to disassemble the pipelines, fittings and equipment at both ends of the valve to complete seal maintenance, wearing parts replacement and fault inspection, which does not affect other parts of the pipeline system at all, greatly reducing maintenance difficulty and shutdown loss. It is especially suitable for scenarios that are not convenient for shutdown and disassembly, such as industrial pipelines with continuous production and built-in pipelines of equipment.

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2. Standard Threaded Connection, Easy Installation & Wide Adaptability

   All threads fully comply with global general industrial standards, fully covering the three mainstream systems: NPT American taper thread, BSPP/BSPT British thread, Rp/R metric thread. Internal thread is standard, and external thread customization is optional. It can be directly and seamlessly connected with threaded pipelines, fittings and equipment interfaces of the same specification, no welding or flange matching required, and can be disassembled and assembled with a common wrench. The compact structure and small volume are perfectly suitable for installation in narrow spaces and dense pipelines.

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3. Full Series Material Options, Wide Working Condition Adaptability

   All core wetted parts provide full coverage of mainstream materials: 304/316/316L food-grade stainless steel, with rust and acid and alkali resistance, no harmful substance precipitation, complying with food and pharmaceutical sanitary standards, suitable for corrosive and sanitary medium working conditions; HPb59-1 brass/lead-free environmental protection brass, with frost resistance and deformation resistance, suitable for civil water supply and drainage, HVAC scenarios, with outstanding cost performance; WCB carbon steel, high strength and impact resistance, suitable for conventional industrial working conditions such as oil and compressed air.

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4. Floating Ball Soft Seal Structure, Bidirectional Zero Leakage

   Adopting floating ball self-tightening sealing design, the higher the medium pressure, the tighter the seal. Equipped with standard PTFE/RPTFE/PPL wear-resistant valve seat, paired by high-precision mirror grinding with the ball, the sealing grade reaches ANSI B16.104 Class VI bidirectional zero leakage, with small opening and closing torque, smooth operation, suitable for frequent opening and closing scenarios.

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5. Complete Safety Structure, Strong Automation Adaptability

   Standard equipped with anti-static structure and bottom-mounted T-type blow-out proof stem to eliminate potential safety hazards. The handle has 90° precise limit and lock hole to prevent misoperation. It reserves ISO 5211 standard high mounting pad, which can be directly matched with electric/pneumatic actuators to realize automatic control without additional modification.

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Applications

Product Summary