Industrial valve

QUANSHUN BRAND Bi-directional sealing butterfly valve have been installed at NANJING JINLING HUNTSMAN NEW MATERIAL COMPANY LIMITED  . This special butterfly valve  can be  well sealing under the positive pressure and be cutt off under the negative pressure when negative pressure is stronger than the positive pressure. The max size can up to DN3500 ,widely used in the circulating water system in chemical industry . ,especially suit for the non-clean circulating water . It is a new update valve instead of  triple eccentric metal sealing valve ,with metal to metal sealing structure ,not include any graphite material between the sealing structure. if there are any particle in the fluid ,the special shearing force will cut off the particle ,and make the sealing more tightly .

The bi-direction sealing valve technical seminar for water system, hosted by HENAN QUANSHUN FLOW CONTROL SCIENCE & TECHNOLOGY CO., LTD, assisted by LANZHOU UNIVERSITY OF TECHNOLOGY, was hold at Luoyang city From 28 th to 30 th October, 2016.   Luoyang city ,as ancient capital for thirteen dynasties, is an international place of interest .More than forty experts from many famous design institutes took part in the technical seminar .   Such as Northwest Electric Power Design Institute Co., Ltd, East China Engineering Science and Technology Co., Ltd, Beijing Huafu Engineering Co., Ltd, China Petroleum Langfang Pipeline Bureau, Liaoning Electric Power Survey and Design Institute, China Chengda Engineering Co., Ltd, Luoyang Ruize Petrochemical Design Institute, Shanxi Yanchang Petroleum Xinghua Chemical Co., Ltd, Shandong Haicheng Design Institute, Anhui Chemical Design Institute, Anhui Electric Power Design Institute, Changling Refining and Chemical Yueyang Engineering...