Hiwa Fittings (www.hiwaflow.com) is a professional pipe fitting production dept. of Tianjin Huihua Valve Industry Co., Ltd. (www.hiwa.cn). We are CE, WRAS, SGS and ISO9001 approved. Our main product line is as follows:



1) Ductile iron pipe fittings:

Universal couplings

Universal flange adaptors

Restrained flange adaptors & couplings for PE/PVC pipes

Dedicated flange adaptors and couplings for DI/STEEL pipes

Quick flange adaptors for PVC/PE pipes

Saddle clamps

Repair clamps

Dismantling joints

BS EN545 / ISO2531...