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U BOP Specifications<br />
The following specifications apply to typical Cameron U type BOPs. Your Cameron representative<br />
can provide information on non-standard BOP assemblies.<br />
• Side outlets to 4-1/16” (7-1/16” on 26-3/4” BOPs) can be provided beneath<br />
each set of rams on either or both sides of U BOPs. Side outlets can be<br />
studded, open-face flange or clamp hub with the same pressure rating as the<br />
vertical run connections.<br />
• Flanges conform to API standard 6A and/or 16A. Hubs conform to API 16A or<br />
applicable standards. Type 6BX flanges are standard for 10,000 and 15,000 psi<br />
working pressures and for 5000 psi for 13-5/8” and larger bore BOPs.<br />
Hydraulic control connections for operation of rams and bonnets are 1” NPT. There are<br />
two connections for each set of rams. Wedgelock connections are ½” NPT.<br />
The capital letters in the following designations refer to the U BOP dimensional views<br />
and dimensional charts shown on the following pages.<br />
A-1 Length - bonnets closed, locking screws locked<br />
A-2 Length - bonnets opened, locking screws unlocked<br />
A-3 Length - bonnets closed, with wedgelocks<br />
A-4 Length - bonnets opened, with wedgelocks<br />
B-1 Height - flanged<br />
B-2 Height - clamp hubs<br />
B*** Height - added height if 30” spacing is required for double<br />
C<br />
D<br />
Width - no side outlets<br />
Centerline of preventer to outlet flange or hub face. This distance is variable and<br />
must be determined per individual specifications.<br />
E-1 Centerline of side outlet below rams to bottom flange face<br />
E-2 Centerline of side outlet below rams to bottom hub face<br />
F-1 Top of upper ram to top flange face<br />
F-2 Top of upper ram to top hub face<br />
G Height of ram<br />
H-1 Centerline of side outlet between rams to bottom flange face<br />
H-2 Centerline of side outlet between rams to bottom hub face<br />
J Top of lower ram to bottom of upper ram<br />
TC1001 13 © <strong>2002</strong> Cooper Cameron, Cameron Division
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