API Drop-in Check Valves

  • group nameDownhole Tools

  • Min Order1 piece

  • update timeMon, 08 Apr 2013 00:33:17 GMT

Paramtents

  • Machine Type Drilling Tool

  • Type API Drop-in Check Valves

  • Use Well Drilling

  • Certification API

  • oilfield equipments API spec 7

Packging & Delivery

  • Min Order1 piece

Briefing

API Drop-in Check Valves
* API 7
*An internal preventer
*Consists of back pressure sub and check valve assemb

Detailed


API Drop-in Check Valves
* API 7
*An internal preventer
*Consists of back pressure sub and check valve assembly

API Drop-in Check Valves

 

Detailed instructions
 
Drop-in check valve is an internal prevener. When blowout is going to happen, the Kelly should be removed immediately and the check pressure valve assembly should be put into the water hole and then pumped downward to the required place. Thus the blowout can be prevented. The valve body connect on the drilling stem. Drop-in check valve is ball and seat of heavy duty, if only drop in the valve core at the mouth of the well, it turn into the valve body. 
Specification
Type
Check assembly
Sub Body
 
Mpa
Conn.API
 O.D
 (mm)
 I.D.
 (mm)
 O.D
 (mm)
  I.D.
 (mm)
 Length
 (mm)
FT86
35
10
86
37
335
35
(70)
NC26
FT105
38
12
105
40
350
NC31
FT121
50
20
121
52
395
NC38
FT152
54
24
152
56
410
NC46
FT159
65
35
159
67
435
NC50
FT159
68
35
159
70
435
NC50
FT165
68
35
165
70
435
NC50
FT178
76
43
178
78
515
NC50
FT203
76
43
203
78
620
6 5/8"REG
FT229
76
43
229
78
620
7 5/8"REG