2017年5月11日星期四

Mfg Check valve-API 6A

Check valve is used to prevent back flow of drilling fluid,etc. Use of the check valve can protect pump while it is in idle condition.The check valve utilizes spring pre-load structure.It consist of valve body,valve seat and valve cap etc.The valve is designed and manufactured strictly according to API Spec 6A and the valve has an excellent self-seal effect and seal rubber part has a long service life.


Jining Donghong Machinery Co., Ltd
www.dhparts.com
spareparts1960@foxmail.com
dh@dhparts.com
Mobile/WhatsApp: 0086-18954079939
Skype: spareparts1960

API  OSHA  IADC  OPEC  RIG ZONE  WORLD OIL Drilling Formulas

没有评论:

发表评论