2. Low temperature check valve: a check valve whose valve disc rotates around a pin in the valve seat. The disc check valve has a simple structure and can only be installed on horizontal pipelines, and has good sealing performance.

3, compact check valve: This valve is used as a boiler feed water and steam shutoff valve, it has the integrated function of lifting check valve and globe valve or angle valve.

In addition, there are some check valves that are not suitable for the pump outlet installation, such as foot valve, spring type, Y type and other check valves.

The valve is used as a device for preventing the medium from flowing backward on industrial pipelines.

Notes When Use

1 . It should ensure that the pipe is blown clean before installation.

2 . When installing, make sure that the flow direction indicated by the arrow on the valve body should be consistent with the flow direction of the fluid.

3 . This valve has been degreased. Store and keep clean when installing.

4 . After the pipeline construction is completed, all the valves on the pipeline should be opened, and the residue in the pipeline should be thoroughly and thoroughly kept to ensure that the pipeline system is clean and free of debris.

5 . The installation system diagram with the oil-free requirements should be degreased.

Si Chuan Liangchuan Mechanical Equipment Co.,Ltd is a high-tech company specializing in the production of many kinds of valves,especially cryogenic valves.The main products are cryogenic valves,gate valves,globe valves,ball valves,butterfly valves, check valves,safety valves,etc.Our company has many national technology patents.And our company has established and improved the special equipment manufacturing management system and ISO 9001 international quality system and passed the certifications.In 2015,we have passed the certification of High Technology Enterprise.Liangchuan has established a strict and complete test organization, in order to ensure that the product quality is in line with relevant national standards,industry standards and corporation standards.

Q. Are there any special requirements for OEM purchases?
A. Yes. Liangchuan requires proof of trademark registration in order to print or emboss your trademark onto the product or packaging.

Q. Do Liangchuan products come with a warranty ?
A. Yes. That's why we offer 3-year product life guarantee, and a generous1 year warranty on all purchases that begins with the bill of loading.

Q . Do you support customization?

A . Yes, customization is acceptable.

Q . Can you advise suitable cryogenic valves to me?

A . We have more than 8 years experience in cryogenic field. We are professional in valve selection and will advise you suitable valves with detailed parameters and prices.

Q . How long is your delivery time?

A . It usually takes 5-30 days depending on the quantity of the order and the stock.