Drop-in Check Valves

Drop-in Check Valves

Drop-in check valve is an internal preventer. 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

Model

Valve Assy.OD mm

Landing Sub

Conn.

Working pressure Mpa

OAL mm

OD mm

ID mm

FT105

39

104.8

40.5

NC31

36,70,105

572

FT121

51

120.7

53

NC38

794

FT127

52

127

54

NC38

794

FT159

68

159

70

NC46

867

FT162

69

162

71

NC50

872

FT165

67

165

69

NC50

872

FT168

68

168

70

NC50

867

FT190

78

190

80

5-1/2 FH

906

FT203

67

203

69

6-5/8 REG

883

FT241

114

241.3

116

7-5/8 REG

975


Related Products
Full Opening Safety Valve
Full Opening Safety Valve
Kelly valve
Kelly valve
Tubing Valve
Tubing Valve
Drill pipe Saver/Mud Bucket(Saver)
Drill pipe Saver/Mud Bucket(Saver)
Categories
Hot Products
  • standard OD oil Casing pipe

    standard OD oil Casing pipe

    Description: Size:4-1/2"~30": Thread:LC,SC,BC.RT—BC,100% replace premium connection，for example:Vam and Hunting Grade:All grade of API

  • Big OD oil Casing pipe

    Big OD oil Casing pipe

    We are the specialist of making large OD casing pipe,from 20" to30". We are the only one manufacturer in China with the capacity to produce casing pipes as large as 30".Our premium connection RT J-DTG3 is specially designed for the casing with OD above 14

  • API J55 Oil Casing pipe

    API J55 Oil Casing pipe

    Oil casing is mainly used to support the well wall during the drilling process and after the completion of the well, so as to ensure the drilling process and the normal operation of the whole well after the completion of the well. It is the lifeline to ma

  • API-N80 Oil Casing pipe

    API-N80 Oil Casing pipe

    Oil casing is the lifeline to maintain the operation of the oil well. It is mainly used for the drilling and transportation of oil and gas Wells, and for supporting the well wall during the drilling process and after the completion of the well, so as to e

Contact Us
Deutsch Espanol Francais Italiano Portugues Japanese Korean Arabic Russian
Products Catalogue

Inside Blowout Control Tools
Subs &Tool Joints
Downhole Drilling tools
Wellhead Equipment and Tools
Oil Country Tubular Goods
Fishing & Milling Tools
Drilling jars
Cementing tools and Casing accessaries
Mud pump spare parts

Contacts
Contact Form

Send Email

Skype

WhatsApp

Scan Our Wechat

LiveChatX