Line NBR Seal Ring Cast Rion Material 125mm Size Flanged Butterfly Valve

Pruduct

The valve is widely used in water supply and drainage, building fire fighting system and other pipelines, especially fire fighting pipelines. The valve can be used in non corrosive medium pipeline or equipment, for closure, connecting and regulating flow.

Standard of adoption:

.Design and manufacture: GB/T 12238 universal valve flange and clamp connection elastic seal butterfly valve
· Structure length: GB/T 12221 metal valve structure length or manufacturer's standard
· Connecting end: JB/T 17241.6 integral cast iron flange
· Inspection and test: GB/T 13927 industrial valve pressure test

Connection size

Main part name and material

Characteristics of valve

1. Structure and size conform to GB/T12221, small size, light weight, easy to operate.
2.90 degrees operation quickly open; The plate has high strength, large flow area, small flow resistance and energy saving.
3. The medium can flow from both sides of the flange disc valve in any direction, can achieve the purpose of connecting or cutting off.
4. Small operating torque, labor-saving and lightweight.
5. The number of opening and closing experiments is up to ten thousand times, and the service life is long.
6. Complete seal, zero gas test leakage.

Precautions

1. The turbine head shall not be used for lifting, and auxiliary levers shall not be added during operation.
2. The valve shall not be subjected to large external forces after installation.
3. When the local minimum temperature is lower than 4 ° C, take insulation protection. As the end valve should be used with pipe or jacket heating, to prevent the pipe wall temperature below 0℃.
4. It is strictly prohibited to install and use in the pipeline under vibration or the rapid change of medium temperature.
5. The operating condition shall be consistent with the requirements in the performance specification.

Yuanda Valve Group Co., Ltd., founded in 1994, is headquartered in Yincun, Longyao, Hebei, China, the hinterland of Bohai Economic Rim surrounding Beijing and Tianjin. With a registered capital of RMB 200 million, Yuanda currently has 8 subsidiaries, of which 6 are in China and 2 overseas. Among them, the core company, which covers an area of 540,000m2 and has more than 3500 employees, is the largest high,midium and low-pressure valve manufacturing base specializing in valve development, manufacturing, and sales in China.

Yuanda has obtained DNV·GL, ISO9001: 2015、ISO14001:2015、OHSAS18001:2007, API6D（6D-0759）, CE, KS, and EAC certifications. Its""trademark is evaluated as Famous Trademark of China and Famous Brand in Hebei Province, and the product series produced under"" is a trademark registered in Korea and products produced under this trademark enjoy a good reputation in both international and domestic markets. Yuanda has been named “Credit Management AA-Rating Enterprise” by the General Administration of Quality Supervision, Inspection and Quarantine and granted the title of “China Quality Trustworthy Enterprise” by China Entry and Exit Inspection and Quarantine Association. It is also a holder of Manufacture License of Special Equipment Level A and Casting Certificates Grades B, B1, and B2, and a member of China Valve Association council, a corporate member of China Foundry Association, and a provincial enterprise technology center in Hebei. Yuanda has been granted the power to carry out import and export operations on its own and is an approved supplier of PetroChina (CNPC) and Sinopec, Guodian, Huaneng, Huadian, Datang and China Power, and China Aluminum, CCESCC, Shougang, Wuhan Iron and Steel Company, and Hebei Iron and Steel Company.

Yuanda manufactures to standards including GB/JB(china), ANSI, API, AWWA, DIN, BS, JIS, EAC, NF and so on, and uses HT200, HT250, QT400, QT450, WCA, WCB, WCC, CF3, CF8, CF3M, CF8M, 1Cr5Mo, LCB, among others, to produce a great variety of valves including gate valves, globe valves, ball valves, butterfly valves, check valves, diaphragm valves, pressure-relief valves, plug valves, and traps, which are available in 12 main categories, 200 series and 4000 specs, totaling 120,000 tons a year. These products are widely used in all civil sectors covering petroleum, petrochemical, chemical, power generation, metallurgy, water system, pharmaceuticals, urban construction, and water supply and drainage.