Ball valve, Gate valve,Globe valve,Check valve,Plug valve,Butterfly valve,Valve parts

Our company has passed the standard requirement of ISO9001:2008 in June,2010.In July,2010,approved by AQSIQ of the People's Republic of China,we obtained special equipment manufacturing certificate,No. TS2710的D03-2015 of the people's Republic of China. To insure the quality of our products, we have equipped perfect inspection facilities,such as imported OES(Optical Emission Spectrometer)，UT（Ultrasonic Testing）and ET(Eddy Current Flaw Testing),etc.We also own import-export operations right.Our products has been exported to Europe,Japan,Middle East,Southeast Asia and so forth.Stainless steel pipe of brand ZKV enjoys great reputation among customers at home and abroad.Our company can not only produce various standards of steel pipes,but also can have them nonstandard as customers’ requirements.As to our certificates,please refer to the certificate page on our website.

The big size stainless steel piping

Seamless stainless steel tube

tainless Steel Seamless Pipe :LR, ABS, BV, GL, DNV, NK, PIPE: TP304H, TP310H, TP316H,TP321H, TP347H, 100% GRAIN SIZE INSPECTION SUPPORTING 

ASTM A312 / A213-10a, TP304H, TP310H, TP316H, TP321H, TP347H Stainless Steel Seamless Pipe With Random Length, Size : DN15, DN25, DN30, DN 40, DN 50, DN 80, DN 100, DN 150, DN200, DN250, DN300, DN350, DN400, DN500, DN600, SCH 10S, 40S, 80S, 120, 160, XS, XXS.

ANSI B16.10:  B16.19  SCH 5S, SCH 10S, SCH 20, SCH 30, SCH 40S, SCH 60, SCH80S, XS, SCH 100, SCH 120, SCH160, XXS

WENZHOU ZHEKANG SPECIAL STEEL deal with stainless steel seamless pipe and tube already more than 7 years, every year sell more than 80000 tons of stainless steel seamless pipe and tube. Our client already cover more than 45 countries. Our stainless steel seamless pipe and tube was width used in Mining, Energy, Petrochemical, Chemical Industry, Food plant, Paper plant, Gas and Fluid Industry etc.

Standard Specification:

ASTM A213 / A213M - 11a:Standard Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes

ASTM A269 - 10:Standard Specification for Seamless and Welded Austenitic Stainless Steel Tubing for General Service

ASTM A312 / A312M - 12:Standard Specification for Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes

ASTM A511 / A511M - 12:Standard Specification for Seamless Stainless Steel Mechanical Tubing

ASTM A789 / A789M - 10a:Standard Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service

ASTM A790 / A790M - 11:Standard Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe

DIN 17456-2010:GENERAL PUROSE SEAMLESS CIRCULAR STAINLESS STEEL TUBES.

DIN 17458-2010:Seamless Circular of Austenitic Stainless Steel Tube

EN10216-5 CT 1/2 : Stainless Steel Seamless Pipe & Tube

GOST 9941-81:SEAMLESS COLD- AND WARM-WORKED TUBES MADE OF CORROSION RESISTANT STEEL.

Others like BS, JIS standard or can supply