Kelly valve

Kelly valve

Kelly Valve also named kelly Cock/Drill pipe Safety Valve which allowing free passage of drilling fluid without pressure loss. The valve can be used as a dill pipe safety valve or upper Kelly valve to control blowout pressures. or as a lower Kelly valve to prevent loss of drilling fluid when the Kelly is disconnected.It has a pressure rating of 5,000psi, 10,000psi or 15,000psi.

Description
Inquiry

When ordering please specify:

●Upper or Lower type

●Tool OD:

●Working Pressure: 5000/10000/15,000 PSI

●Tool connection

Specification of upper Kelly valve

OD(mm)	Thread Conn.	ID(mm)	Max Sealing pressure(Mpa)
146	4-1/2REG	50	68.6
200	6-5/8REG	76.2	68.6

Specification of lower Kelly valve

OD(mm)	Thread Conn.	ID(mm)	Max Sealing pressure(Mpa)
105	NC31	41.3	68.6
121	NC38	50	68.6
127	NC38	50	68.6
165	NC46	61	68.6
178	NC50,5-1/2FH	71.4	68.6

Related Products

Ball Check Valve

Ball Check Valve

Arrow Type Check Valve

Arrow Type Check Valve

IBOP for top drive

IBOP for top drive

Float Valve & Float Valve Subs

Float Valve & Float Valve Subs

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

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

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

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

Scan Our Wechat

LiveChatX