Product Name: Universal Couplings Model NO.: STR-C Connection Type: Flange Cross-Section Shape: Round Medium: Water Diameter: Dn40-Dn600 Standard: ASTM Material: Ductile Iron MPa Classfication: Medium Pressure Piping Temperature Classification: Medium Temperature Piping Trademark: SUNTEX Transport Package: Plywood Cases Specification: DN40-DN600 Origin: Hebei, China HS Code: 73071100 Product Description ductile iron universal joint/universal couplingProduct DescriptionThe Universal Couplings are designed for pipelines.As a wide tolerance system it will fit most standard pipe materialsand therefore dramatically reduces the number of dedicated Couplingswhich need to be stocked for maintenance purposes ,It is suitable for steel , GRP, PVC, PE, Ductile Iron , Cast Iron and AsbestorsCement .When connecting PE pipes , It is important that pipe inserts are fitted to the PE pipes .1) All the couplings are assembled by " D " bolts .2) Bolts ,Nuts and Washers are in carbon steel Grade 4.8 , 8.8 with zinc plated ,dacromet coating or according to customer's request.3) Body material is Ductile iron GGG500-7 .4) Fusion bonded epoxy powder coating in blue, black or red or according to customer'srequest .5) Gaskets material : E.P.D.M. , NBR or SBR .Advantagesa. Best Raw materialb. Good servicec. Competitive priced. Fast deliverye. High quality productsHEAD OFFICERM 1108 Zhongyuan Bldg.,No.368 North Youyi Street,Shijiazhuang,Hebei province,ChinaPost Code: 050061TEL:+86 311 87701449,87701447,87724961FAX:+86 311 87701444WORKSHOPNo.689,Heping East Road,Shijiazhuang,Hebei province,ChinaTel/Fax: +86 311 85386048Web: http://www.suntex-aquatech.cn http://www.suntexmetals.com http://www.cnsitg.en.alibaba.com