Technical Parameters

All flanged connection dimensions strictly follow GB/T 17241.1‑2024 specification, ensuring perfect matching with mainstream pipeline flanges for smooth on‑site installation and stable connection performance. Product strength inspection and sealing performance testing are fully implemented in accordance with GB/T 13927‑2022. Every unit undergoes rigorous pressure‑resistance and leak‑proof tests before delivery to guarantee reliable operation under rated working conditions.

Full sets of technical reference data are sorted in dedicated tables for your quick check: Table 1 covers core technical specifications, Table 2 displays material configuration of each key component, and Table 3 presents detailed overall installation dimensions for pipeline design and layout reference.

Main Features

• Ductile iron body with epoxy coating, excellent anti‑corrosion for water medium

• Pilot‑operated hydraulic diaphragm structure, no external power supply required

• Continuously adjustable downstream outlet pressure on site

• Stable pressure output even with fluctuating upstream inlet pressure

• Equipped with pressure gauge and needle valves for convenient commissioning

• Flange connection, simple structure, easy installation and maintenance

• Wide pressure adjustment range for different water supply requirements

Application

• Municipal water‑supply pipeline networks：City‑wide municipal water distribution pipe networks for public urban water supply infrastructure

• Building water‑pressure stabilization projects：Hydraulic pressure stabilization projects for multi‑story and high‑rise building water supply

• Water plant and pumping station pipelines：Pipeline systems for water treatment plants and pump stations, covering water transmission of pumping equipment

• Industrial circulating water systems：Factory process circulating water systems, adapt to closed‑loop circulating water working conditions of industrial sites

• Residential district water supply pipelines：Water supply piping for residential communities, meet daily domestic water transport demands of residential areas

• Fire‑fighting water supply pipelines：Complete fire‑service water supply pipeline systems for fire safety engineering projects

Precision Valve Manufacturing

Professional Valve Manufacturer | Integrated Manufacturing

Raw Material

We select high-quality raw materials according to product specifications and international standards. All incoming materials are carefully inspected to ensure chemical composition, mechanical properties and traceability.

Forging & Casting

Advanced forging and casting processes are used to produce strong and reliable valve bodies and components. Strict process control ensures uniform structure, dimensional accuracy and excellent mechanical performance.

CNC Machining

Our CNC machining equipment provides precise and consistent processing of valve components. Critical dimensions, threads and sealing surfaces are strictly controlled to ensure accurate assembly and reliable sealing performance.

Shot Blasting & Coating

Valve surfaces are professionally shot blasted to remove rust, scale and impurities. Protective coatings are then applied according to customer requirements, providing excellent corrosion resistance and a durable surface finish.

Pressure Testing

Every valve undergoes strict pressure testing before shipment. Body and seat tests are performed according to applicable standards and customer specifications to verify pressure resistance and sealing reliability.

Quality Inspection

Our quality control team conducts comprehensive inspections throughout the production process. Finished valves are checked for dimensions, appearance, materials, pressure performance and overall quality before final approval and shipment.