Equipped with 277 processing and testing equipments,the production capacity of QILONG can reach size 56 inch ball valve at 900LB class with different material such carbon steel and stainless steel and special material.there are 30% engineers and technicians in total workers.mainly produce metal sealed wearproof ball valve,metal sealed wearproof three-way and four-way ball valve,metal sealed V Type ball valve,low temperature ball valve,fully-welded ball valve,top entry ball valve,wafter type jacketed ball valve,orbit ball valve etc,which are designed according to standard ANSI/API,JIS,DIN,BS,NF,CHINESE GB.Our valve are widely used in the field of petroleum,chemical,metallurgical,power,fuel gas,city pipeline networks with high content of technology,reliable quality,competitive price and perfect service,our products have gained highly praise from all of the customers,and satisfy all kinds of operating demand.
3-way ball valves are used for dividing or mixing fluids and other special working media.including Full Bore and Reduced Bore 3-Way, 2-Seats, “L” Port Available with soft seats or metal seats. Each offers a range of performance suitable to many applications also 3-Way Top Entry, 4-Seats, “L” Port and “T” Port Used for diverting or mixing fluids. The 4-seat design offers additional port arrangements. A greater Cv value is achieved in most sizes. Media trapped in the valve cavity is reduced substantially with additional seats.The special 3-Way, 4-Seats, “L” Port and “T” Port used for diverting or mixing fluids. The 4-seat design offers additional port arrangements. A greater Cv value is achieved in most sizes. Media trapped in the valve cavity is reduced substantially with additional seats.
Orbit type rising stem ball valve’s unique tilt-and-turn design, which is mainly used in pipeline and industry system and it has a top entry and on line maintenance function. Qilong Orbit ball valve continues to be a valve of choice.It has a lot of advantages,such as small fluid resistance,simple structure,small volume,light weight,reliable sealing,convenience for operation and maintenance,open and close quickly,as well as start and close flexibly. This legacy of innovation is present throughout the brand’s history, beginning in the industry.