Высококачественный двойной обратный клапан

Check valve refers to the valve that opens and closes the disc automatically depending on the flow of the medium itself, which is used to prevent the reverse flow of the medium, also known as reverse valve, one-way valve, reverse flow valve and back pressure valve.

The opening and closing parts open or close by themselves depending on the force of the flow of the medium, so as to prevent the reverse flow of the medium of the valve called check valve.Check valve belongs to automatic valve class, mainly used for medium one-way flow pipeline, only allow the medium to flow in one direction, to prevent accidents.

According to the structure of check valve, can be divided into lifting check valve, swing check valve and butterfly check valve three kinds:

1. Lifting check valves are divided into vertical and horizontal types.

2. Swing check valve is divided into three types: single valve, double valve and multiple valve.

Butterfly check valves are straight through.

Above several kinds of check valves in the form of connection can be divided into thread connection, flange connection, welding connection and clamp connection four.

Tianjin  Ots Valve Manufacturering Co., Ltd.,  a jointed company, established during the time of China Reform and Open to the World. specializing in all kinds industrial butterfly valves with 13340 meters, including 8600m work shop, fixed finance of RBM 200 millions  as well as some advanced design, processing, assembling and  testing for all butterfly valves. Further we are rich in the experience of producing butterfly valves over more than 10 years, all of the butterfly valves we produced come up to the advanced standard home and abroad. 

 1, Can I get free samples?



A: Yes,we can provide you the free sample, but you need to bear their own delivery costs.



2, Can I request to change the form of packaging and transportation?



A:Yes,We can change the form of the packaging and transportation according to your request, but you have to bear their own costs incurred during this period and the spreads.



3, Can I request to advance the shipment?



A: It should be depends on whether there is sufficient inventory in our warehouse.



4,Can I have my own Logo on the product?



A: Yes, you can send us your drawing and we can make your logo, but you have to bear



their own the cost.



5,Can you produce the products according to my own drawings?



A:Yes,we can produce the products according to your drawings that will be most satisfy you