Coiled Tubing Tools
Dual function circulating valve
Dual Function Circulating & Burst Disc Sub is designed as a circulating safety component within the Bottom Hole Assembly.
Dual function circulating valve is the coiled tubing dowhole circulating tool with the two functions of shear pin and rupture disc. The circulation is made by break the rupture disc, and provide adequate circulation channels to pump the ball, or dropping the ball and applying the pressure the make the maximum circulation. The circulating valve is applied to all coiled tubing operation, and the rupture disc can be changed by screw plug
2. Feature
Dual function design: Shear pin and rupture disc
Accurate rupture disc and shear pin measure setting
Large bore cycle
3. Application
All coiled tubing operation
Fishing and milling operation
Cementing and clean out operation
CT Spec.(in) | Max. OD(mm) | Min. OD(mm) | Dropping OD(mm) | Length(mm) | W.P. (PSI) (2 shear pin) |
1.687 | 42.8 | 6.35 | 11.0 | 202.5 | 900psi |
1.750 | 44.5 | 6.35 | 11.0 | 202.5 | 900psi |
2.125 | 54.0 | 12.7 | 16.0 | 241.0 | 1500psi |
2.250 | 57.0 | 12.7 | 16.0 | 241.0 | 1500psi |
2.375 | 60.0 | 12.7 | 16.0 | 241.0 | 1500psi |
3.125 | 79.5 | 15.8 | 19.0 | 264.0 | 1250psi |
ZZ Top Oil Tools Co.,Ltd, with the professional technical team, specialized in providing cost-effective oilfield
equipment, and at the moment ZZ TOP invested in two sub-factories, one is for Drill stem testing tools
and some downhole tools, The other one is for wellhead equipment.
As one group, ZZ TOP provides the clients highly efficient & expertized service as well as more comprehensive
products to meet the customers' requirements during the work, and insists on "Traceability, Serialization" for
each tools and related parts.
