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CONVISTA VALVE is established in 2022
As CONVISTA Group new development strategy, in order to strengthen and specialize in valve business, CONVISTA FLOW CONTROL invest the new subsidiary Company-Beijing Convista Valve Co.,Ltd on Nov.14,2022. It locates in Beijing Free Trade Pilot Zone high-end industrial zone Yizhuang group. CONVIST...Read more -
CONVISTA Developed the Parallel Slide Gate Valve for high and medium pressure pipe systems of 600 to 1,000MW supercritical (ultra-supercritical) unit steam turbine
In August of 2018,CONVISTA successfully developed the Parallel Slide Gate Valves for high and medium pressure pipe systems of 600 to 1,000MW supercritical (ultra-supercritical) unit steam turbine.The advantage of the item as following: 1.It adopts pressure self-sealing structure, with welded conn...Read more -
CONVISTA provides integration solution for water system valves on a large scale project through OHL to ECOPETROL in Columbia
After delayed half year due to CONVID-19,finally in June 2o2o, CONVISTA awarded contract to supply the DN1200 CL300,Double Eccentric Butterfly Valves,and Resilient Gate Valve & Air Release Valves of a large-scale water project in Colombia. For ...Read more -
CONVISTA approved by Food&Drug Administration for Category II Medical Device Supply and Supplied millions of Goggles to HLL Lifecare Limited
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CONVISTA awarded contract to supply Valves for combined cycle power plant to ANSALDO ENERGIA in Italy
At the beginning of this year,in January 15,2020, CONVISTA was officially awarded the contract to supply manual ball valve&check valves for combined cycle power plant to ANSALDO ENERGIA. All valves will be designed and manufactured in accordance wi...Read more -
Valves for high pressure hydrogenation system
Hydrogenation technology for petroleum is an important process in petroleum products, modified and heavy oil processing. It not only can improve the depth of secondary process for crude oil and the recovery rate of light hydrocarbon, but also increase the quality of fuel oil and reduce the enviro...Read more -
Operation and Maintenance Manual of Gate Valves
1. General This type of valve is designed to be an open-and-shut installation to keep the proper operation used in industrial pipeline system. 2. Product Description 2.1 Technical requirement 2.1.1 Design and Manufacture Standard:API 600、API 602 2.1.2 Connection Dime...Read more -
Operation and Maintenance Manual of Check Valves
1. Scope The DN ranges includes DN15mm~600mm(1/2”~24”) and PN ranges from PN1.6MPa~20MPa(ANSI CLASS150~1500) threaded, flanged, BW and SW swing and lifting check valve. 2.Usage: 2.1 This valve is to prevent medium flows backwards in pipe system. 2.2 Valve material is sel...Read more -
Operation and Maintenance Manual of Cast Steel Gate Valves
1. General Valves of this series are used to close or open pipelines in pipeline system so as to maintain normal operation of the system. 2. Product Description 2.1Technique requirement 2.1.1 Design and manufacture: API600、API603、ASME B16.34、BS1414 2.1.2 Connection end dimension:ASME B16.5、A...Read more -
Operation and Maintenance Manual of API 6D SLAB GATE VALVE
1. Gate valve maintenance 1.1 The main technical parameters: DN:NPS1”~ NPS28” PN:CL150~CL2500 Material of main parts: ASTM A216 WCB Stem—ASTM A276 410; Seat—ASTM A276 410; Sealing face—VTION 1.2 Applicable Codes and Standards: API 6A、API 6D 1.3 The structural of valve (see Fig.1) Fig.1 ...Read more -
Metal material comparison table
Type No. China Japan International standard America England Germany GB1220 GB1221 GB12228 GB12229 GB12230 JIS ISO683/13 ISO683/16 ANSI ASTM BS970 BS1449 DIN17440 DIN17224 Cast carbon steel alloy steel 1 WCA G5151 SCPH1 A216 WCA 161Cr-430F GS-C25...Read more -
Installation, Operation and Maintenance Manual–Triple Electric Butterfly Valves
1. Scope The specification includes Normal Diameter NPS 10~NPS48, Normal Pressure Class (150LB~300LB) flanged triple eccentric metal seal butterfly valves. 2. Product Description 2.1 Technical requirements 2.1.1 Design and Manufacture standard:API 609 2.1.2 End to end connection standard:ASME ...Read more