Direct Pressure Vent/Firing Head

The Direct Pressure Vent/Firing Head is used in TCP to detonate the guns and opening the vent to balance tubing and annulus.
The direct pressure vent/firing head can be utilized with time delay fuse to provide time to adjust tubing pressure before the guns fire.
specifications
Type
Standard
High pressure
Super high-pressure
Qty of shear pins
24
36
48
Max. Hydrostatic
105MPa
15,000psi
120 MPa
17,000psi
140 MPa
20,000psi