English 
日本語 
français 
Español 
русский 
português 
العربية 
tiếng việt 
ไทย 
Polska 
română 
Ball check valve is a wellhead inside blowout control tool, in order to achieve safety control In drilling operation. It can effectively solve the problem of overflow, well kick in trip-out process. Put it into the well with drill stem and it can control the mud back pressure automatically.
Model | OD | ID | Connection | Working Pressure |
mm (inch) | mm (inch) | API | MPa (PSI) | |
FQ105 | 104.8(4-1/8) | 50.8 (2) | NC31 | 35 〜70 (5,000- 10,000) |
FQ120 | 127 (5) | 57.2 (2-1/4) | NC38 | |
FQ127 | 178 (7) | 57.2(2-1/4) | NC38 | |
FQ165 | 165 (6-1/2) | 71.4(2-13/16) | NC50 |
0531-69959201
lqg18653457231
+86-18653457231
No 12111,Jingshi Road, Lixia District, Jinan City, Shandong Province. P.R. China
Professional customer service team, professional after-sale services create a comprehensive high-quality, advanced technology, reliable products, which gives you a strong sense of security.
Professionals, professional skills and precision equipments insure that we can provide you with professional product customization service.
The best quality products, strict quality control system and good reputations established Saigao product's irreplaceable place.
Superb technical team with continuous technological innovation, closely follow the market's trend help you to create the highest performance products.
