Tandem Boosters for U Type BOPs – 13 5/8" Part Numbers

Tandem boosters are auxiliary hydraulic actuators used on U-Type Ram BOPs to increase the available closing force during well-control operations. The table below lists the complete bill of materials (BOM) and part numbers for the tandem booster assembly rated for 13 5/8" BOPs at 3,000, 5,000 and 10,000 psi working pressure.

Item No. Description Qty 13-5/8″ 3000, 5000 and 10000 psi
1 Adapter Plate 1 SU3570CL-28
2 Cap Screw, Bonnet 8 SU3570CL-34
3 Tailrod 1 SU3570CL-32
4 O-Ring, Cylinder 2 132-453
5 Cylinder 1 SU3570CL-30
6 Seal Ring, Piston 1 SU532125-B41
7 Wear Ring, Piston O.D. 1 SU3570CL-31-01
8 Piston 1 SU3570CL-31
9 Wear Ring, Piston I.D. 1 SU3570CL-31-02
10 Seal Ring, Tailrod 1 SU353511
11 Cylinder Head 1 SU3570CL-29
12 Seal Ring, Tail Rod 1 SU357011
13 O-Ring, Tailrod to Adapter Plate 1 132-337
14 Cap Screw, Cylinder 6 SU3570CL-33

Note: These part numbers are common across the 3,000, 5,000 and 10,000 psi 13 5/8" U-Type Ram BOP tandem booster configurations. Contact CAMTOP sales for booster assemblies used on other BOP sizes or pressure ratings.