
TECHNICAL

Tel:+86-371-63686248
Fax:+86-371-63686248
E-mail:13703820603@139.com
Address: no. 66 jinhua road, shangjie valve industrial park, zhengzhou city, henan province
Details
What are the general requirements of the valve is installed?
A:
(1) The valve flanged threaded connection should be carried out in a closed state.
(2) valve and pipe welding TIG welding use backing to ensure its smooth and clean interior. When welding, the valve should be in the open state, to prevent local overheating deformation. When welding high-pressure injection valve should open the valve, the rubber gasket singled to prevent Aprons were burned.
(3) prior to installing the valve, according to the media flow direction, to determine its mounting direction.
Valve (4) mounted on a horizontal pipe upward to vertical, horizontal upward or downward 45 °, its center line to try aligner.
(5) When installing cast iron valves (black, silver) shall prevent a strong connection or uneven force caused damage.






CNOTACT US
Tel:+86-371-63686248
Fax:+86-371-63686248
Contacts:YuTian
Phone:+86-13703820603
Address: no. 66 jinhua road, shangjie valve industrial park, zhengzhou city, henan province
Copyright©2014Henan Shangfa Valve Co., Ltd. 豫ICP备16016115号 Powered by www.300.cn
Copyright©2014Henan Shangfa Valve Co., Ltd.