Table 4-1 FZ/2FZ28-70W BOP PARTS LIST
Item Description Part No. Qty
Single Double
1 Shell 1 1
2 Positioning pin FZ3570A-00-7 2 4
3 Ram assembly — — —
4 bonnet combined seal Table 5-2 — —
5 Right bonnet FZ2870WB-02-01 1 2
Left bonnet FZ2870WB-04-01 1 2
6 O-ring 335X7 (IDXd) 4 8
7 Secondary combined seal Table 5-3 — —
8 bonnet bolt FZ2870X-00-6 16 32
9 Hinge assembly Table 5-4 — —
10 O-ring 43.7X3.55 (IDXd) 2 4
11 Nozzle flange 2FZ2870-12 2 4
12 Screw GB5782 M12X40 8 16
13 NPT 1″ screw plug SFZ2835-41 2 4
14 Piston rod seal group Table 5-5 — —
15 Piston rod FZ2870DB-01-03 2 4
16 Lock shaft FZ2870DB-01-01 2 4
17 Piston assembly Table 5-6 — —
18 Lock shaft combined seal Table 5-7 — —
19 Cylinder FZ28105DA.04-03 2 4
20 O-ring 32.5×2.65 (IDXd) 8 16
21 Tubing FZ28105DA.04-08 2 4
22 Stud bolt FZ28105DA.04-02 16 32
23 Washer 36 GB93 16 32
24 Nut SFZ1310-35 16 32
25 NPT 3/4” screw plug SFZ1310-01 6 12
26 Right cylinder head FZ28105DA.04-01 1 2
Left cylinder head FZ28105DA.13-01 1 2
4.2 bonnet seal
Table 4-2 bonnet Seal parts list
Item Description Part No. Qty
Single Double
4-1 O-ring FZ28105DA.04-09 2 4
4-2 O-ring 460X5.7 (QDXd) 4 8
4-3 Floating seal skeleton/framework FZ2870X-08-12 2 4
4.3 Secondary Seal
Table 4-3 Secondary seal parts list
Item Description Part No. Qty
Single Double
7-1 NPT1 “screw plug SFZ2835-38 2 4
7-2 Plug SFZ2835-37 2 4
7-3 Secondary seal grease EM-09-1 2 4
7-4 Screw plug NPT1 (with hole) SFZ2835-40 2 4
4.4 Hinge assembly
Table 4-4 Hinge parts list
Item Description Part No. Qty
Single Double
9-1 Hinge pin FZ3570A-01-1 4 8
9-2 O-ring 73X3.55 (IDXd) 4 8
9-3 O-ring 56X3.55 (IDXd) 12 24
9-4 Hinge seat FZ3570A-01-3 4 8
9-5 Upper hinge FZ3570A-01-8-00 2 4
9-6 O-ring 33.5X3.55 (IDXd) 4 8
9-7 Hydraulic fittings FZ3570A-01-5 4 8
9-8 spring FZ3570A-01-6 4 8
9-9 Left hydraulic hinge seat FZ3570A-01-7-00 1 2
Right hydraulic hinge seat FZ3570A-04-1-00 1 2
9-10 Lower hinge FZ3570A-01-2-00 2 4
9-11 O-ring 20X2.65 (IDXd) 4 8
9-12 Cylindrical pin GB120 B16X55 16 32
9-13 Screw GB70 M20X50 16 32
9-14 Screw GB70 M20X60 16 32
9-15 O-ring 25X3.55 (IDXd) 8 16
9-16 Screw GB70 M16X45 8 16
9-17 Adjusting washer FZ3570A-01-4 8 16
9-18 Needle bearing 941/35 GB290-64 4 8
9-19 Thrust ball bearings 8108 GB301-64 4 8
4.5 Piston rod combind seal
Table 4-5 Piston rod combind seal parts list
Item Description Part No. Qty
Single Double
14-1 Ram shaft seal pressure plate FZ2870X-08-14 2 4
14-2 Screw FZ2870X-08-13 12 24
14-3 Dust ring for ram shaft FZ2870X-08-17 2 4
14-4 Dust ring seat for ram shaft FZ2870X-08-16 2 4
14-5 Ram shaft seal oil Y-ring SKZF133.01 4 8
14-6 washer SKZF133.02 2 4
14-7 Spacer ring FZ2870X-08-20 2 4
14-8 Ram shaft sealing ring FZ2870X-08-22 4 8
4.6 Piston assembly
Table 4-6 Piston assembly parts list
Item Description Part No. Qty
Single Double
17-1 piston FZ28105DA.04-07 2 4
17-2 Wear ring SFZ1310-12 4 8
17-3 U-shaped sealing ring SFZ1310-13 4 8
O-shaped bar SFZ1310-14 4 8
17-4 O-ring 100X5.3 (IDXd) 2 4
17-5 Set screw FZ2870X-08-23 2 4
17-6 Piston lock cap FZ2870X-08-07 2 4
4.7 Lock shaft combined seal
Table 4-7 Lock shaft combined seal parts list
Item Description Part No. Qty
Single Double
18-1 Retaining ring GB/T893.1 95 2 4
18-2 Packing sleeve SFZ1310-21 2 4
18-3 Lip seal ring cover 2FZ1870DBYS.03-23 2 4
18-4 Lip seal 2FZ1870DBYS.03.22-00 2 4
18-5 Dust ring seat SFZ1310-22 2 4
18-6 Dust ring SFZ1310-23 2 4