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FZ35-35U Ram BOP
      Promulgator ：wangmeizhen      Time：2018-06-13

Keywords:2FZ35-35U,FZ35-35U,Ram bop


FZ35-35U Ram BOP

Specification and Main Technical Parameters of Ram-type Blowout Preventer


Description Double Ram BOP Single Ram BOP
Model 2FZ35-35U FZ35-35U
Bore 346.1mm（13 5/8 in）
Rated working pressure 35MPa(5000psi)
hydrostatic test pressure 52.5MPa (7500psi)
Hydraulic-control rated working pressure 21 MPa（3000psi）
Recommended hydraulic-control operation pressure 8.4-10.5MPa(1200-1500psi)
Opening Volume 21L×4 21L×2
Closing Volume 22L×4＋19.1L×2 22L×2＋19.1L×2
Closing Ratio 11.6:1
Closing Ratio (With Tandem booster) 23.3:1
Locking Screw turns (each end) 39
Temperature rating T-20
Weight 10764kg 6450kg


Pipe Ram Parts Table


Ram Type Pipe Ram Name (quantity)


Ram Assembly Ram Body （2） Top Seal（2） Front seal（2）
Blind 2C02.01A.00 2C02.01A.01 2C02.01A.02 2C02.01A.03
2 3/8″ 2C02.01B.00 2C02.01B.01 2C02.01B.02 2C02.01A.03
2 7/8″ 2C02.01C.00 2C02.01C.01 2C02.01C.02 2C02.01A.03
3 1/2″ 2C02.01D.00 2C02.01D.01 2C02.01D.02 2C02.01A.03
4 ″ 2C02.01E.00 2C02.01E.01 2C02.01E.02 2C02.01A.03
4 1/2″ 2C02.01F.00 2C02.01F.01 2C02.01F.02 2C02.01A.03
5″ 2C02.01G.00 2C02.01G.01 2C02.01G.02 2C02.01A.03
5 1/2″ 2C02.01H.00 2C02.01H.01 2C02.01H.02 2C02.01A.03
6 2C02.01I.00 2C02.01I.01 2C02.01I.02 2C02.01A.03
6 5/8″ 2C02.01J.00 2C02.01J.01 2C02.01J.02 2C02.01A.03
7″ 2C02.01K.00 2C02.01K.01 2C02.01K.02 2C02.01A.03
7 5/8″ 2C02.01L.00 2C02.01L.01 2C02.01L.02 2C02.01A.03
7 3/4″ 2C02.01M.00 2C02.01M.01 2C02.01M.02 2C02.01A.03
8 5/8″ 2C02.01N.00 2C02.01N.01 2C02.01M.02 2C02.01A.03
9 2C02.01O.00 2C02.01O.01 2C02.01O.02 2C02.01A.03
9 5/8″ 2C02.01P.00 2C02.01P.01 2C02.01P.02 2C02.01A.03
10 3/4″ 2C02.01Q.00 2C02.01Q.01 2C02.01Q.02 2C02.01A.03
11 3/4″ 2C02.01R.00 2C02.01R.01 2C02.01R.02 2C02.01A.03
4 3/4″ 2C02.01S.00 2C02.01S.01 2C02.01S.02 2C02.01A.03
5 3/4″ 2C02.01T.00 2C02.01T.01 2C02.01T.02 2C02.01A.03
5 7/8″ 2C02.01U.00 2C02.01U.01 2C02.01U.02 2C02.01A.03


Shear Ram Assembly Parts Table


No. Name Part No. Quantity Note
Shear Ram Assembly SBR3570CC.00 1

1 Left seal of shear ram SBR3570CB.04.00 2
2 Lower shear ram body SBR3570CC-01 1
3 Right seal of shear ram SBR3570CB.03.00 2
4 Top seal SBR3570CB.02.00 2 different from the top seal of the pipe ram
5 Upper shear ram body SBR3570CC-02 1
6 Front seal SBR3570CB.06.00 1


Variable Bore Ram Assembly Parts Table


No. Name Part No. Quantity Note
VBR3570CA.00 2 7/8"-5"Variable Bore Ram Assembly VBR3570CB.00 4 1/2"-7"Variable Bore Ram Assembly



1 Ram Body VBR3570CA.01 VBR3570CB.01 2
2 Top Seal VBR3570CA.02.00 VBR3570CA.02.00 2 different from the top seal of the pipe ram
3 Variable Ram Front Packer VBR3570CA.03.00 VBR3570CB.02.00 2


Sealing Parts List of Operating Piston Front Rod


No. Name Part No. Qty(Single) Qty(Double)
39 O-ring 129.54×5.33 4 8
38 O-ring 100.97×5.33 4 8
40 Supporting gland cover C17.14 2 4
41 Gasket 102×5 SKZF101.02 2 4
42 Y-Ring of ram shaft seal SKZF101.01 4 8
43 Gasket 2C02.18 4 8
44 Retainer ring 140 2C02.17 4 8


Secondary Sealing Mechanism Parts Table


No. Name Part No. Qty (Single) Qty (Double)
12 Z1″ Hexagonal plug 2C01.21 2 4
11 Plug cock SFZ1310-30 2 4
10 Secondary seal grease 2 4
9 Check valve SFZ1310-32.00 2 4
36 Z1/2″ hexagon socket screw plug 2C01.32 2 4


Sealing Parts Table of Operating Piston Tail Rod


No. Description Part No. Qty(Single) Qty(Double)
28 U-Seal Φ76.2×92.08×14.27/15.72 4 6
46 O-ring 77.5×5.3 4 6


Bonnet Seal (Door Seal Ring) Assembly Parts List


No. Name Part No. Qty(Single) Qty(Double)
Floating seal assembly 2C12.08.00 2 4
2-1 O-ring 340×7 2 4
2-2 Floating seal skeleton 2C12.08.01 2 4
2-3 O-ring 360×5.3 4 8


BOP Parts List


No. Name Part No./Model Qty(Single) Qty(Double)
1 Body 1 1
2 Floating seal assembly 2C12.08.00 2 4
3 Ram assembly 2C02.01（）.00 2 4
4 O-ring 43.7×3.55 2 4
5 Nozzle flange 2C01.25 2 4
6 Screw 1/2-13UNC×30 2C01.26 8 16
7 Z1 plug screw 2C01.21 2 4


Hydraulic Cylinder Assembly Parts List


No. Description Part No./Model Quantity Note
8 Left Bonnet 2C26.14 1
Right Bonnet 2C26.15 1

9 Check valve SFZ1310-32.00 1
10 Secondary seal grease EM-09-01 1
11 Plug cock 1-8UNC SFZ1310-30 1
12 Z1″ Hexagonal plug 2C01.21 1
13 Bonnet bolt 2C26.16 4
14 Ram change piston_Close C17.12 1
15 Backup ring Φ70×Φ80×1.9 2
16 O-ring 69.6x5.7 2
17 Backup ring Φ80.4×Φ89×1.7 4
18 O-ring 78.74x5.33 2
19 Operating piston assembly 2C26.12.00 1
20 U-seal C011-22 Φ323×Φ355×24/26 2
21 O-ring 339.5x8.4 2


Hydraulic Cylinder Assembly Parts List


No. Name Part No./Model Quantity Note
22 Backup ring Φ341.6×Φ355×2.75 2
23 Cylinder head weldment C21.04.00 1
24 Hydraulic cylinder bolt C17.05 8
25 Cap nut M36×3 C17.16 8
26 Locking screw C17.01 1
27 Hexagon socket head cap screw M10×20 GB/T70.1-2000 2
28 U-seal Φ76.2XΦ92.08X14.27/15.72 1
29 O-ring 104.14x5.33 4
30 Backup ring Φ105.4xΦ114×1.7 4
31 Ram change cylinder C21.11 2
32 Ram change piston_open C17.15 1
33 Backup ring Φ51.4×Φ60×1.7 2
34 O-ring 50.17x5.33 2
35 Guide ring 2C02.29 2
36 Z1/2″ hexagon socket screw plug 2C01.32 1
37 Ram Guide Pin 2C02.15 2
38 O-ring 100.97x5.33 2
39 O-ring 129.54x5.33 2
40 Supporting gland cover C17.14 1
41 Gasket 102×5 SKZF101.02 1
42 Ram shaft seal Y-Ring SKZF101.01 2
43 Gasket 2C02.18 2
44 Retainer ring 140 2C02.17 2
45 Operating cylinder 2C31.13 1
46 O-ring 77.5×5.3 1
C21.08.00 the operating piston assembly includes the following parts.



19-1 Hook (I) 2C02.11A-02 1 Pipe Ram
Hook (II) 2C02.11A-03 1 Shear Ram
19-2 Stop block 2C02.11A-04 1
19-3 Piston rod 2C26.12.01 1
38 O-ring 100.97×5.33 1
19-5 Backup ring Φ102.31×Φ111.61×1.52 2
19-6 Piston C17.08.02 1
19-7 Stop block C17.08.03 3
19-8 Socket head cap screw M12×20 GB/T77 3


Parts List for Hydraulic Cylinder Assembly with Tandem Booster


No. Name Part No./Model Quantity Note
8A Left Bonnet 2C31.02 1
Right Bonnet 2C31.01 1

9 Check valve SFZ1310-32.00 1 Same as the ordinary Hydraulic Cylinder Assembly
10 Secondary seal grease EM-09-01 1
11 Plug cock 1-8UNC SFZ1310-30 1
12 Z1″ Hexagonal plug 2C01.21 1
13 Bonnet bolt C26.16 4
14 Ram change piston_Close C17.12 1
15 Backup ring Φ70×Φ80×1.9 2
16 O-ring 69.6x5.7 2
17 Backup ring Φ80.4×Φ89×1.7 4
18 O-ring 78.74x5.33 2
19 Operating piston assembly 2C26.12.00 1
20 U-seal C011-22 Φ323×Φ355×24/26 3
21 O-ring 339.5x8.4 3
22 Backup ring Φ341.6×Φ355×2.75 3
23A Cylinder head weldment 2C31.03.00 1
24A Hydraulic cylinder bolt M39×3×558 C31.05 28
26 Locking screw C17.01 1 Same as the ordinary Hydraulic Cylinder Assembly
27 Hexagon socket head cap screw M10×20 GB/T70.1-2000 2
28 U-seal Φ76.2XΦ92.08X14.27/15.72 2
29 O-ring 104.14x5.33 4
30 Backup ring Φ105.4xΦ114×1.7 4
31 Ram change cylinder C21.11 2
32 Ram change piston_open C17.15 1
33 Backup ring Φ51.4×Φ60×1.7 2
34 O-ring 50.17x5.33 2
35 Guide ring 2C02.29 2
36 Z1/2″ hexagon socket screw plug 2C01.32 1
37 Ram Guide Pin 2C02.15 2
38 O-ring 100.97x5.33 2
39 O-ring 129.54x5.33 2
40 Supporting gland cover C17.14 1
41 Gasket 102×5 SKZF101.02 1
42 Ram shaft seal Y-Ring SKZF101.01 2
43 Gasket 2C02.18 2
44 Retainer ring 140 2C02.17 2
45 Operating cylinder 2C31.13 1
46 O-ring 77.5×5.3 2
47 Filter, Muffler,Z1" 1


Parts List for Hydraulic Cylinder Assembly with Tandem Booster


No. Name Part No./Model Quantity Note
52 Adapter 2C31.04 1
53 O-ring 375×5.3 2
54 Cylinder 2C31.06 1
55 Connector, male, NPT1 2C31.09 1
56 O-ring 32×3.55 2
57 Screw GB/T70.1 M16×50 4
58 Oil Block 2C31.11 1
59 O-ring 53×5.3 1
61 Housing, Locking Screw 2C26.07.00 1
62 Stud 1 1/2-8UN×6 1/4 2C01.13 8
63 Nut 1 1/2-8UN-2B 2C01.14 8
64 Tail Rod 2C31.08 1
65 Stud 2C01.03.03 1
66 Plug 2C01.36 6
67 Cylinder Head 2C31.10 1
69 Piston 2C31.07 1
70 Seal ring , Piston to Tail Rod 2C01.03.10.00 1
71 Wear Ring, Piston to Tail Rod 2C01.03.11 1
72 Wear Ring, Piston 2C31.48 1
74 O-ring 160×7 1
C21.08.00 the operating piston assembly includes the following parts. （Same as the ordinary Hydraulic Cylinder Assembly）



19-1 Hook (I) 2C02.11A-02 1 Pipe Ram
Hook (II) 2C02.11A-03 1 Shear Ram
19-2 Stop block 2C02.11A-04 1
19-3 Piston rod 2C26.12.01 1
38 O-ring 100.97×5.33 1
19-5 Backup ring Φ102.31×Φ111.61×1.52 2
19-6 Piston C17.08.02 1
19-7 Stop block C17.08.03 3
19-8 Socket head cap screw M12×20 GB/T77 3


One-year recommended spare parts list


No. Name Part No./Model Qty (Single) Qty (Double) Note
2C31.100 2FZ35-35U Double Ram BOP C31.100 FZ35-35U Single Ram BOP



2-1 O-ring 340×7 2 4
2-3 O-ring 360×5.3 4 8
4 O-ring 43.7×3.55 2 4
10 Secondary seal grease EM-09-01 2 4
15 Backup ring Φ70×Φ80×1.9 4 8
16 O-ring 69.6x5.7 4 8
17 Backup ring Φ80.4×Φ89×1.7 8 16
18 O-ring 78.74x5.33 4 8
20 U-seal C011-22 Φ323×Φ355×24/26 6 10
21 O-ring 339.5x8.4 6 10
22 Backup ring Φ341.6×Φ355×2.75 6 10
28 U-seal Φ76.2XΦ92.08X14.27/15.72 4 6
29 O-ring 104.14x5.33 8 16
30 Backup ring Φ105.4xΦ114×1.7 8 16
33 Backup ring Φ51.4×Φ60×1.7 4 8
34 O-ring 50.17x5.33 4 8
35 Guide ring 2C02.29 4 8
38 O-ring 100.97x5.33 6 12
39 O-ring 129.54x5.33 4 8
41 Gasket 102×5 SKZF101.02 2 4
42 Ram shaft seal Y-Ring SKZF101.01 4 8
46 O-ring 77.5×5.3 4 6
53 O-ring 375×5.3 2 2
56 O-ring 32×3.55 4 4
59 O-ring 53×5.3 2 2
70 Seal ring , Piston to Tail Rod 2C01.03.10.00 2 2
71 Wear Ring, Piston to Tail Rod 2C01.03.11 2 2
72 Wear Ring, Piston 2C31.48 2 2
74 O-ring 160×7 2 2
19-2 Stop block 2C02.11A-04 2 4
19-5 Backup ring Φ102.31×Φ111.61×1.52 4 8
19-7 Stop block C17.08.03 6 12
 
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