D&R Machinery
Check valve refers to the opening and closing part of the circular disc and by its own weight and medium pressure to produce action to block the medium backflow of a kind of valve.
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Check valve/Reflux valve
Model | H41W-16P | |
Nominal pressure(PN) | 1.6Mpa | |
Nominal diameter(DN) | 25 | |
Applicable temperature | 200℃ | |
Applicable medium | water, steam, oil |
Check valve refers to the opening and closing part of the circular disc and by its own weight and medium pressure to produce action to block the medium backflow of a kind of valve.
It is an automatic valve, also known as check valve, check valve, backflow valve or isolation valve. Disc movement is divided into lifting type and swing type.
The valve is opened when the inlet pressure is greater than the sum of the disc weight and its flow resistance. On the contrary, the valve is closed when the medium is reversed. Check valve and stop valve combined use, can play the role of safety isolation.
1.Q:Where are your company?
A:D&R office is located at F12, Shanshan Plaza, Yinzhou District, Ningbo, China.
D&R factory is located at Xishanli Village, Qiantong Town, Ninghai County, Ningbo, China.
2.Q:Are you direct factory?
A:We are both manufacturer and trading companiesno one knows more about our products than we do.We can provide the best quality equipment and the most affordable price, and according to your request, we can more quickly provide the corresponding service Scheme.Certainly,We welcome you to come visit our factory.
3.Q:What are your main products?
A:All kinds of chocolate making machines, candy making machines,Swiss roll and layer cake production line, cadny bar production line and their packing machines.
4.Q:Do you have gurantee for your product?
A:As a factory, no one knows more about our products than we do.We have a fairly strict standard for our products.Our products have CE certification and EAC certification.
5.Q:How can we contact you?
A:Here is contact information:
Contact company: Ningbo D & R Machinery Co., Ltd
Website:www.dr-machinery.com; www.sweetmachinery.com
Direction phone:+86 574 88304275; +86 18057458607
Fax:+86-574 87839559
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