Table 13-1 FZ/2FZ53-21 RAM BOP PARTS IST
Item Description Part No. Qty
Single Double
1 O-ring 43.7X3.55 (IDXd) 4 8
2 Hinge seat 2FZ3570DA-03 4 8
3 Oil Cup GB1152 M10X1 4 8
4 Taper pin GB118-86 A20X80 8 16
5 bolt GB70-85 M24X125 16 32
6 O-ring 80X2.65 (IDXd) 4 8
7 O-ring 53X5.3 (IDXd) 8 16
8 case 1 2
9 Positioning pin SFZ1310-50 2 4
10 Ram assembly — — —
11 Bonnet seal Table 13-2 — —
12 Piston rod 2FZ5321B.02-06 2 4
13 Ram shaft combined seal Table 13-3 — —
14 Guide rod 2FZ5321B.02-01 4 8
15 Hole plug SFZ2835-40 Z 1/2” 2 4
16 Right bonnet 2FZ5321B.02.03-00 1 2
Left bonnet 2FZ5321B.03.01-00 1 2
17 Secondary seal EM-09-1 2 4
18 Plug SFZ2835-37 2 4
19 Z 1” screw plug SFZ2835-38 2 4
20 O-ring 236X5.3 (IDXd) 4 8
21 O-ring 90X3.55 (IDXd) 2 4
22 piston 2FZ2870.03-07 2 4
23 Piston lock cap 2FZ2870.03-17 2 4
24 Set screw GB71-85 M8X16 2 4
25 Piston seal DFZ5414-13 4 8
26 Side door bolt 2FZ5321B-04 16 32
27 O-ring 43.7X3.55 (IDXd) 2 4
28 Nozzle flange 2FZ2870-12 2 4
29 bolt GB5782 M12X45 8 16
30 Screw plug SFZ2835-41 2 4
31 Screw plug SFZ1310-01 Z3/4″ 4 8
32 O-ring 28X3.55 (IDXd) 4 8
33 Cylinder 2FZ5321B.02-04 2 4
34 Stud bolt 2FZ5321B.02-05 12 24
35 Lock shaft 2FZ5321B.02-10 2 4
36 Lock shaft seal group Table 13-4 — —
37 Z 1/2 “screw plug SFZ2835-39 2 4
38 Right cylinder head 2FZ5321B.02-11 1 2
Left cylinder head 2FZ5321B.03-11 1 2
39 Cap nut 2FZ3570DA.02-03 12 24
13.2 Bonnet seal
Table 13-2 Bonnet seal parts list
Item Description Part No. Qty
Single Double
16-1 O-ring 615X7 (IDXd) 2 4
16-2 Side door seal ring skeleton 2FZ5321B.02.02-00 2 4
16-3 O-ring 600X7 (IDXd) 2 4
13.3 Piston rod seal
Table 13-3 Piston rod seal parts list
Item Description Part No. Qty
Single Double
13-1 Retaining ring DFZ5414-33 4 8
13-2 Dust ring 100 Q/ZB 336-77 4 8
13-3 Thrust sleeve 2FZ5414B-07 4 8
13-4 Ram shaft seal oil Y-ring SKZF100.01 4 8
13-5 washer SKZF100.02 8 16
13-6 Support seal sleeve 2FZ2870.03-03 2 4
13-7 Shaft sleeve 2FZ2870.03-04 2 4
13-8 O-ring 112X3.55 (IDXd) 4 8
13-9 O-ring 100X3.55 (IDXd) 4 8
13.4 lock shaft seal
Table 13-4 lock shaft seal parts list
Item Description Part No. Qty
Single Double
35-1 Retaining ring 95 GB/T893.1 2 4
35-2 Shaft sleeve 2FZ5321B.02-07 2 4
35-3 Lip seal 60 2FZ5321B.02.08-00 4 8
35-4 Dust ring seat 2FZ5321B.02-09 2 4
35-5 Dust ring DFZ5414-22 2 4
13.5 secondary seal
Table 13-5 secondary seal parts list
Item Description Part No. Qty
Single Double
17-1 Z1″ screw plug SFZ2835-38 2 4
17-2 Plug SFZ2835-37 2 4
17-3 Secondary seal grease EM-09-1/110 2 4
17-4 Z1/2″ screw plug with hole inside SFZ2835-40 2 4
13.6 Hinge
Table 13-6 Hinge parts list
Item Description Part No. Qty
Single Double
2-1 Hinge seat 2FZ3570DA-03 4 8
2-2 Positioning pin GB118 A20X80 8 16
2-3 Screw GB70 M24X125 16 32
2-4 Oil Cup GB1152 M10X1 4 8
2-5 O-ring 53X5.3 (IDXd) 8 16
2-6 O-ring 80X2.65 (IDXd) 4 8
13.7 Pipe ram assembly
13.7.1 DFZ5414. 47() -00 Pipe ram assembly
DFZ5414.47()-00 Pipe ram assembly product range
Item BOP Model BOP Drawing No. OD Working pressure
1 FZ5414 2S33.00/S33.00 21 1/4″ 2000psi
2 FZ5414 2S37.00/ S37.00 21 1/4″ 2000psi
3 FZ5414 2S52.00/ S52.00 21 1/4″ 2000psi
4 FZ5321 2S83.00/S83.00 20 3/4″ 3000psi
5 FZ5321 2FZ5321-00 20 3/4″ 3000psi
Table 13-7 DFZ5414. 47 ()-00 series pipe ram assembly list
Item 1 2 3 4
Name Ram assembly Top seal packer Ram block Front packer
Qty. 2 2 2 2
Size Part No.
Blind DFZ5414.47A-00 DFZ5414.47A.03-00 DFZ5414.47A-01 DFZ5414.47A.02-00
3 1/2″ DFZ5414.47K-00 DFZ5414.47A.03-00 DFZ5414.47K-01 DFZ5414.47K.02-00
4 1/2″ DFZ5414.47L-00 DFZ5414.47A.03-00 DFZ5414.47L-01 DFZ5414.47L.02-00
5″ DFZ5414.47B-00 DFZ5414.47A.03-00 DFZ5414.47B-01 DFZ5414.47B.02-00
5 1/2″ DFZ5414.47E-00 DFZ5414.47A.03-00 DFZ5414.47E-01 DFZ5414.47E.02-00
5 7/8″ DFZ5414.47N-00 DFZ5414.47A.03-00 DFZ5414.47N-01 DFZ5414.47N.02-00
7″ DFZ5414.47F-00 DFZ5414.47A.03-00 DFZ5414.47F-01 DFZ5414.47F.02-00
8 5/8″ DFZ5414.47M-00 DFZ5414.47A.03-00 DFZ5414.47M-01 DFZ5414.47M.02-00
9 5/8″ DFZ5414.47D-00 DFZ5414.47A.03-00 DFZ5414.47D-01 DFZ5414.47D.02-00
10 3/4″ DFZ5414.47G-00 DFZ5414.47A.03-00 DFZ5414.47G-01 DFZ5414.47G.02-00
13 1/8″ DFZ5414.47I-00 DFZ5414.47A.03-00 DFZ5414.47I-01 DFZ5414.47I.02-00
13 3/8″ DFZ5414.47C-00 DFZ5414.47A.03-00 DFZ5414.47C-01 DFZ5414.47C.02-00
14″ DFZ5414.47P-00 DFZ5414.47A.03-00 DFZ5414.47P-01 DFZ5414.47P.02-00
14 3/8″ DFZ5414.47H-00 DFZ5414.47A.03-00 DFZ5414.47H-01 DFZ5414.47H.02-00
16″ DFZ5414.47J-00 DFZ5414.47A.03-00 DFZ5414.47J-01 DFZ5414.47J.02-00
13.8 One year recommend parts
Table 13-8 FZ/2FZ53-21 one recommend spare parts
Item Description Part No. Qty
Single Double
1 O-ring 43.7X3.55 (IDXd) 4 8
6 O-ring 80X2.65 (IDXd) 4 8
7 O-ring 53X5.3 (IDXd) 8 16
20 O-ring 236X5.3 (IDXd) 4 8
21 O-ring 90X3.55 (IDXd) 2 4
25 Piston seal DFZ5414-13 4 8
27 O-ring 43.7X3.55 (IDXd) 2 4
16-1 O-ring 615X7 (IDXd) 2 4
16-3 O-ring 600X7 (IDXd) 2 4
13-2 Dust ring 100 Q/ZB 336-77 4 8
13-4 Ram shaft seal oil Y-ring SKZF100.01 4 8
13-5 washer SKZF100.02 8 16
13-8 O-ring 112X3.55 (IDXd) 4 8
13-9 O-ring 100X3.55 (IDXd) 4 8
35-3 Lip seal 60 2FZ5321B.02.08-00 4 8
35-5 Dust ring DFZ5414-22 2 4
17-3 Secondary seal grease EM-09-1/110 2 4
2-5 O-ring 53X5.3 (IDXd) 8 16
2-6 O-ring 80X2.65 (IDXd) 4 8