Back-flow safety valve

This valve is mounted on the liquidoid refluence pipeline of the pan pump's outlet of the liquefied petroleum gas station.when front pump pressure exceeds the stipulated valve.the valve will open automatically and lead to safe return of the liquid so that ensures the safe operation of equipments and pipelines.

Shanghai Jiasong Machine Co.,Ltd enjoys the honour to be a member of China electrics industrial association, and also member of Petrol China Company Limited, and Daqing Petrol, We mainly engaged in designing, manufacturing and promoting for various kinds of valves and actuators. We assess 20 engineers and some other technical workers, 300 experienced workers who had worked in this line for many ears. Our factory covers 8,000 square meters with building area of 5,500 square meters, and the new factory in building takes 25,000 square meters with building area of 20,000 square meters. Our company now possesses 160 sets of machines including machining center, digital-control lathe, testing machine, chemical composition analyzing machine, mechanical property analyzing machine, as well as ultrasonic rigidity measuring machine, ultrasonic wall thickness measuring machine and spectroscopic analyzing machine and so on to ensure the precise machining and changeability of the products.
The company has established a set of Quality certifying system and after sale service, and have successfully achieved API 6D, CE, ISO9001, SGS, BV SGS Certificate.
The Jiasong will assure the quality with one-up technique, and requite the extensively clients who take good favor to Jiasong model valves with our good repute. We will keep the principle of management of "everything we do is to satisfy the clients", we will apply new technique, new craftwork, new material persistently, and will be active to develop new models to supply the extensive clients with higher grade valves and perfect after service, so we are striving for the aim of a modern valve company with our most effort.