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Steam Heated Ram BOP ,FZ18-35，2FZ18-35，FZ23-35，2FZ23-35，FZ35
      Promulgator ：wangmeizhen      Time：2018-06-13

Steam Heated Ram BOP


Model FZ18-35 2FZ18-35 FZ23-35 2FZ23-35 FZ35-35 2FZ35-35
Bore 179.4mm（7 1/16 in） 228.6mm（9 in） 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)




Closing Ratio 3.6 5.7 5.0


Locking Screw turns (each end) 13.5 17.5 24


Temperature grade of metal material T-75




Weight 773kg 1465kg 2100 kg 4080 kg 3160 kg 6016 kg
Parts of pipe ram of FZ18-35 Pipe Size Pipe Ram Assembly Name（Qty）




Ram Assembly（2） Ram Body（2） face seal（2） Top seal（2）


Blind 2S91.01A.00 2S91.01A.02 2S91.01A.01.00 2S91.01A.03.00

3 1/2” 2S91.01B.00 2S91.01B.02.00 2S91.01B.01.00 2S91.01A.03.00

2 7/8” 2S91.01C.00 2S91.01C.02.00 2S91.01C.01.00 2S91.01A.03.00

5” 2S91.01D.00 2S91.01D.02.00 2S91.01D.01.00 2S91.01A.03.00

4 1/2” 2S91.01E.00 2S91.01E.02.00 2S91.01E.01.00 2S91.01A.03.00

2 3/8” 2S91.01F.00 2S91.01F.02.00 2S91.01F.01.00 2S91.01A.03.00

Parts of pipe ram of FZ23-35 Pipe Size Pipe Ram Assembly Name（Qty）




Ram Assembly（2） Ram Body（2） face seal（2） Top seal（2）


Blind 2S84.01A.00 2S84.01A.02 2S84.01A.01.00 2S84.01A.03.00

5" 2S84.01B.00 2S84.01B.02.00 2S84.01B.01.00 2S84.01A.03.00

2 7/8" 2S84.01C.00 2S84.01C.02.00 2S84.01C.01.00 2S84.01A.03.00

3 1/2" 2S84.01D.00 2S84.01D.02.00 2S84.01D.01.00 2S84.01A.03.00

4" 2S84.01E.00 2S84.01E.02.00 2S84.01E.01.00 2S84.01A.03.00

6 5/8" 2S84.01F.00 2S84.01F.02.00 2S84.01F.01.00 2S84.01A.03.00

4 1/2" 2S84.01G.00 2S84.01G.02.00 2S84.01G.01.00 2S84.01A.03.00

5 1/2" 2S84.01H.00 2S84.01H.02.00 2S84.01H.01.00 2S84.01A.03.00

Parts of pipe ram of FZ35-35 Pipe Size Pipe Ram Assembly Name（Qty）




Ram Assembly（2） Ram Body（2） face seal（2） Top seal（2）


Blind 2S85.01A.00 2S85.01A.02 2S85.01A.01.00 2S85.01A.03.00

3 1/2" 2S85.01B.00 2S85.01B.02.00 2S85.01B.01.00 2S85.01A.03.00

2 7/8" 2S85.01C.00 2S85.01C.02.00 2S85.01C.01.00 2S85.01A.03.00

5" 2S85.01D.00 2S85.01D.02.00 2S85.01D.01.00 2S85.01A.03.00

4" 2S85.01E.00 2S85.01E.02.00 2S85.01E.01.00 2S85.01A.03.00

6 5/8" 2S85.01F.00 2S85.01F.02.00 2S85.01F.01.00 2S85.01A.03.00

4 1/2" 2S85.01G.00 2S85.01G.02.00 2S85.01G.01.00 2S85.01A.03.00

7" 2S85.01H.00 2S85.01H.02.00 2S85.01H.01.00 2S85.01A.03.00

9 5/8" 2S85.01I.00 2S85.01I.02.00 2S85.01I.01.00 2S85.01A.03.00

Ram Shaft Seal parts number for FZ18-35 No. Description FZ18-35 P/N Qty.（Single） Qty.（Double）

26-1 Retainer ring 105 2S91.03.17 2 4

26-2 Washer（One） 2S91.03.08 2 4

26-3 V-ring for ram shaft 2S91.03.09 6 12

26-4 Backup ring（Two） 2S91.03.10 2 4

26-5 O-ring 79.6×5.7 2 4

26-6 Ram shaft seal 2S91.03.11 2 4

Ram Shaft Seal parts number for FZ23-35 and FZ35-35 No. Description FZ23-35 P/N FZ35-35 P/N Qty. （Single） Qty. （Double）
26-1 Retainer ring 2S84.03.26 2S85.03.18 2 4
26-2 Packing Washer 2S84.03.08 2S85.03.08 2 4
26-3 W-ring 2S84.03.09 2S85.03.09 8 16
26-4 W-ring 2S84.03.10 2S85.03.10 2 4
26-5 Packing Bearing Ring 2S84.03.11 2S85.03.11 2 4
26-6 O-ring 103×3.55 GB1235 130×3.1 4 8
26-7 O-ring 92×3.55 GB1235 115×3.1 4 8
26-8 Ram shaft seal 2S84.03.25 2S85.03.17 2 4
Parts list of Secondary Seal System No. Description FZ2335 P/N FZ3535 P/N Qty. （Single） Qty. （Double）
25-1 Z1″ External hexagonal blocking 2C01.34 2C01.34 2 4
25-2 Cock 2S84.03.21 2S84.03.21 2 4
25-3 Secondary sealing grease EM-09-1 EM-09-1 2 4
25-4 Check Value 2S84.03.23.00 2S84.03.23.00 2 4
25-5 Z1/2″ Internal hexagonal plug screw with hole 2C01.32 2C01.32 2 4
Parts list of Locking Shaft Seal Assembly for FZ18-35 No. Description P/N Qty. （Single） Qty. （Double）

17-1 Retainer Ring 2S91.03.18 2 4

17-2 Shaft Sleeve 2S91.03.15 2 4

17-3 O-ring 73.02×3.53 2 4

17-4 O-ring 49.2×3.53 2 4

17-5 Wiper Ring 2S91.03.16 2 4

Parts list of Locking Shaft Seal Assembly for FZ23-35 and FZ35-35 No. Description P/N Qty. （Single） Qty. （Double）

17-1 Retainer Ring 2S84.03.27 2 4

17-2 Thrust Shaft Sleeve 2S84.03.15 2 4

17-3 Lip ring cover 2FZ1870DBYS.03-23 2 4

17-4 Lip ring 2FZ1870DBYS.03.22-00 2 4

17-5 Wiper Seat Retainer 2S84.03.18 2 4

17-6 Wiper Ring 2S84.03.19 2 4


Parts List for FZ18-35


No. Description FZ18-35 Part No./Model Qty. （Single） Qty. （Double）
1 Body 1 1
2 Ram Assembly 2 4
3 Door bolt 2S91.07 12 24
4 O-ring 34.4×3.1 8 16
5 Screw GB/T 5782 M12×75 16 32
7 Hinge Screw 2S91.08 8 16
8 a Hinge Block （two） 2S91.06 2 4
9 O-ring 24.4×3.1 4 8
10 a Hinge Block （one） 2S91.05 2 4
11 NPT 1" Plug 2S91.10 4 8
13 Plug SFZ1310-01 4 4
15 Right Cylinder head 2S91.03.02.00 1 2
Left Cylinder head 2S91.04.02.00 1 2
16 O-ring 148.59×5.33 4 8
17 Locking Shaft Seal Assembly See 3.2.5 -- --
18 Hydraulic cylinder 2S91.03.05 2 4
19 Screw GB/T71 M8×16 4 8
20 Locking nut 2S91.03.07 2 4
21 Piston 2S91.03.06 2 4
22 Piston O-ring 69.4×3.1 2 4
23 Piston Seal 2S91.03.12 4 8
24 a Right Door 2S91.03.01 1 2
Left Door 2S91.04.01 1 2
26 Ram Shaft Seal Assembly See 3.2.3

28 Ram shaft 2S91.03.03 2 4
29 Side Door Seal 253.37×6.99 2 4
30 Plug 2C01.36 12 24
31 O-ring 24.4×3.1 4 8
32 Locking screw 2S91.03.04 2 4
33 Cylinder Bolt 2S91.03.13 12 24
34 Cap Nut 2S91.03.14 12 24


Parts List for FZ23-35/FZ35-35


No. Description FZ23-35 Part No./Model FZ35-35 Part No./Model Qty. (Single) Qty. (Double）
1 Body 1 1

2 Ram Assembly 2 4

3 Door bolt 2S84.06 2S84.06 16 32
4 O-ring 43.7×3.55 43.7×3.55 10 20
5 Screw GB5780 M20×100 GB5780 M20×100 16 32
6 Locating Pin GB120 A16×60 GB118-86 A16×60 8 16
7 Hinge Screw 2S84.09 2S84.09 8 16
8 a Hinge Block 2S84.05 2S85.05 4 8
10 a




9 O-ring 34.5×3.55 34.5×3.55 4 8
11 Plug 2C01.21 2C01.21 2 4
12 Screw GB5780 M16×50 GB5780 M16×50 8 16
13 Plug SFZ1310-01 SFZ1310-01 6 6
14 Nozzle flange 2S84.10 2S84.10 2 4
15 Right Cylinder head 2S84.03.02 2S85.03.02 1 2
Left Cylinder head 2S84.04.02 2S85.04.02 1 2
16 O-ring 206×5.3 239×5.3 4 8
17 Locking Shaft Seal Assembly See 3.2.5 -- --
18 Hydraulic cylinder 2S84.03.05 2S85.03.05 2 4
19 Screw GB71-85 M8×16 GB79-85 M8×25 2 4
20 Locking nut 2S84.03.07 2S85.03.07 2 4
21 Piston 2S84.03.06 2S85.03.06 2 4
22 Piston O-ring 80×3.55 103×5.3 2 4
23 Piston Seal 2S84.03.12 2S85.03.12 4 8
24 a Right Door 2S84.03.01 2S85.03.01 1 2
Left Door 2S84.04.01 2S85.04.01 1 2
25 Secondary Seal System See 3.2.4 -- --
26 Ram Shaft Seal Assembly See 3.2.3 -- --
27 Locating Pin 2S84.07 2S85.07 2 4
28 Ram shaft 2S84.03.03 2S85.03.03 2 4
29 Side Door Seal 2S84.03.24 2S85.03.16 2 4
30 Plug 2C01.36 2C01.36 14 28
31 O-ring 31.5×3.55 31.5×3.55 4 8
32 Locking screw 2S84.03.04 2S85.03.04 2 4
33 Cylinder Bolt 2S84.03.13 2S85.03.13 12 24
34 Cap Nut 2S84.03.14 2S85.03.14 12 24


FZ18-35 Spare Parts list for one year


No. Description FZ18-35 Part No./Model Qty. （Single） Qty. （Double）
4 O-ring 34.4×3.1 8 16
9 O-ring 24.4×3.1 4 8
16 O-ring 148.59×5.33 4 8
17-3 O-ring 73.02×3.53 2 4
17-4 O-ring 49.2×3.53 2 4
17-5 Wiper Ring 2S91.03.16 2 4
22 Piston O-ring 69.4×3.1 2 4
23 Piston Seal 2S91.03.12 4 8
26-3 V-ring for ram shaft 2S91.03.09 6 12
26-5 O-ring OR-NBR70 79.6×5.7 2 4
26-6 Ram shaft seal 2S91.03.11 2 4
29 Side Door Seal 253.37×6.99 2 4
31 O-ring 24.4×3.1 4 8


FZ23-35/FZ35-35 Spare Parts list for one year


No. Description FZ23-35 Part No./Model FZ35-35 Part No./Model Qty. (Single) Qty. (Double)
4 O-ring 43.7×3.55 43.7×3.55 10 20
9 O-ring 34.5×3.55 34.5×3.55 4 8
16 O-ring 206×5.3 239×5.3 4 8
17-3 Lip ring cover 2FZ1870DBYS.03-23 2FZ1870DBYS.03-23 2 4
17-4 Lip ring 2FZ1870DBYS.03.22-00 2FZ1870DBYS.03.22-00 2 4
17-6 Wiper ring 2S84.03.19 2S84.03.19 2 4
22 O-ring 80×3.55 103×5.3 2 4
23 Piston Seal 2S84.03.12 2S85.03.12 4 8
25-3 Secondary sealing grease EM-09-1 EM-09-1 2 4
26-3 W-ring 2S84.03.09 2S85.03.09 8 16
26-4 W-ring 2S84.03.10 2S85.03.10 2 4
26-6 O-ring 103×3.55 125×3.55 4 8
26-7 O-ring 92×3.55 109×2.65 4 8
26-8 Ram shaft seal 2S84.03.25 2S85.03.17 2 4
29 Side Door Seal 2S84.03.24 2S85.03.16 2 4
31 O-ring 31.5×3.55 31.5×3.55 4 8 
 
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