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Wednesday, October 18, 2017
The valve has double seats.The fluid outflow through the valve core of the upper and lower sealing surface.The unbalanced pressure is small.It is a balanced structure,which are widely used in petroleum,chemical,pharmaceutical,metall urgical,power plants,such as the industrial sector...
yongjia goolevalve co ltd.
- yokilee
- 325105 - Oubei
- 86 577 57781017
- 86 13646538457
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