Three-Way Plug Valve
General Description
Three-way plug valves are used to switch the flow direction of medium or distribute medium to different pipelines, including L-port and T-port types. The three-way ferrule plug valve adopts a plug with through holes as the opening and closing component. The plug rotates together with the valve stem to complete opening and closing actions. Rotating the plug by 90° aligns or separates the passage holes on the plug and valve body, thereby realizing opening or closing of the valve.
Three-way and four-way plug valves are applicable to pipelines in petroleum, chemical, pharmaceutical, chemical fertilizer, power and other industries under various working conditions, with nominal pressure CLASS150\900LBS, PN1.0\16.0 and operating temperature ranging from -29℃ to 550℃.
Technical Parameters
Item | Specification | Item | Specification |
Nominal Diameter | DN15-DN300 (1/2"-12") | Valve Body Material | Cast steel WCB, low-temperature LCB, stainless steel 304/316 |
Nominal Pressure | PN1.0-16MPa (150LB-900LB) | Plug Material | Stainless steel 304/316, F22 |
Operating Temperature | -29℃~550℃ | Ferrule Seat Material | PTFE |
Service Medium | Water, steam, oil products | Packing Material | PTFE |
Operation Mode | Hand lever, worm gear, electric, pneumatic | Design Standard | API 599, API 6D, GB 12240 |
Structure Type | L-type three-way plug valve, T-type three-way plug valve | Face-to-Face Standard | ASME B16.10, GB 12221, DIN 3202 |
Pressure Test Standard | API 598, API 6D, DIN 3230, GB13927 | Flange Standard | ASME B16.5, JB79, GB9113, DIN2543 |
Working Principle
Rational structure, reliable sealing, excellent performance and attractive appearance. The material of spare parts and flange dimensions can be reasonably selected according to actual working conditions or customer requirements to meet diverse service demands.
Three-way and four-way plug valves can be customized into various flow patterns (L-type, T-type, etc.), various materials (cast iron, cast bronze, stainless steel, etc.) and various sealing structures (metal seal, ferrule seal, oil seal) to match different pipeline working conditions.
