Conventional Pumping Unit

Sanjack Petro has strong capacity of research, design and manufacturing Conventional Pumping Unit, the annual production reach 1000 sets; the company has welding and machining workshop 17,942 square meters, take up 64,952 square meters; complete inspection and test equipment, and has more than 130 types of advanced production facilities.

  • Sanjack has passed ISO9001, SO14001 and OHSAS18001 certificate.
  • Sanjack adopt the principle of combining international
    Standard, National Standard and User’s view to design.
  • Using AutoCAD, Solid Works computer software to design drawings, using virtual prototype technology to simulate and verify strength.
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With 30 years of experience, Sanjack is devoted to designing, researching and developing pumping units.

It has an annual sales volume of up to 1200 units.

Sanjack pumping unit cover the conventional and unconventional pumping units.

Relying on technical strength, complete equipment, scientific production fixture and strict production process; Sanjack has become the pumping unit supplier for most famous companies globally.

This is based on first-class quality, such as: Sentry, Shores, Schlumberger, PDO, OMV, etc. with the high quality, low failure rate a. Sanjack pumping unit is widely acclaimed by customers.

rocking machine

Sanjack can provide a wide range of pumping unit depending on users’ requirements.

They come with a 3-year warranty. Sanjack pumping units are available according to customer requests.

They can choose from double circular arc gear reducer or involute gear reducer.

Sanjack has nearly 200 pumping unit processing equipment and a complete production tooling that guarantees accuracy in the manufacturing process.

By improving the supporting equipment, scientific processing technology, strict quality control, super technical level; Sanjack pumpjacks are also suitable for inferior working conditions.

These pumping units are reliable and stable, hence their popularity among customers since Sanjack uses forging for key parts and have low failure rates.

oil pump jack

Main Parts and Details

1) Center Bearing Assembly

beam pump center bearing assembly

No. Name Qty. Remark
1 Seal ring 2
2 Bearing cover 2
3 Bearing 2
4 Center bearing 1
5 Space ring 1
6 housing 1
7 washer 2
8 bolt 12
9 Spring washer 12
10 bolt 4
11 Thin nut 4
12 nut 4
13 washer 4

 

2). Equalizer Bearing Assembly

pump jack equalizer bearing assembly

No. Name Qty. Remark
1 Equalizer 1
2 hanger 2
3 Hexagon bolt 8
4 nut 8
5 Thin nut 8
6 Oil seal 2
7 Round nut 1
8 Grease fitting 2
9 Hexagon bolt 4
10 Hexagon nut 8
11 Hexagon bolt 12
12 Spring washer 12
13 Self-aligning roller bearing 1
14 Stop washer 1
15 Tail bearing 1
16 Bearing cover 2
17 asbestos cushion 2
18 housing 1
19 Equalizer bearing 2
20 Hexagon bolt 2
21 Hexagon nut 2
22 Hexagon thin nut 2

3). Crank Pin Assembly

pumping unit crank pin

No. Name Qty. Remark
1 bolt 6
2 Spring washer 6
3 Grease fitting 1
4 bolt 2
5 Spring washer 2
6 Relief screw 1
7 Bearing cover plate 1
8 Bearing cover 1
9 washer 1
10 Bolt 4
11 Spring washer 4
12 Bearing 1
13 Pitman bearing edestal 1
14 Oil seal 1
15 Crank pin 1
16 sleeve 1
17 key 1
18 Retainer ring 1
19 nut 1
20 Cotter pin 1

 

SANJAC produces the pumping unit according to the following process flow:

pumping unit production process

Basic Parameters
Item Type Stroke Length (in) Maximum Impulse(sub /min) Lifting Capacity (lbs) Rated Torque (in.lbs) Motor Type Reduction Ratio Total Mass(t)  Commonly used the ECB value External Size(mm)
1 C-80D-119-64 64/53/42 12 11,900 80,000 NEMA 324T-8 20HP 31.75 6984kg 7455*1834*4323
2 C-114D-143-64 64/54/44 14,300 114,000 NEMA 324T-8 20HP 28.36 8972kg 6807*1849*4640
3 C-114D-173-64 64/54/44 17,300 114,000 NEMA 324T-8 20HP 28.36 10637kg 6935*1992*5390
4 C-114D-143-74 74/62/51 14,300 114,000 NEMA 324T-8 20HP 28.36 8405kg 7104*1731*5130
5 C-160D-173-74 74/62/51 17,300 160,000 NEMA 324T-8 20HP 28.51 15396kg 8992*1992*6859
6 C-160D-200-74 74/62/51 20,000 160,000 NE324T-6D-25HP 28.51 13568kg 7225*2130*5494
7 C-160D-173-86 86/74/62 17,000 160,000 NE286T-6D-20HP 28.51 13855kg 9873*2130*6362
8 C-160D-173-100 100/86/74 17,300 160,000 NE286T-6D-20HP 28.51 12746kg 8260*2080*6320
9 C-228D-246-86 86/74/61 24,600 228,000 NE286T-6D-20HP 28.87 16220kg 8612*2260*6859
10 C-228-213-100 100/86/73 21,300 228,000 NE286T-6D-20HP 28.87 16000kg 9058*2260*7182
11 C-228D-213-120 120/102/84 21,300 228,000 NE365T-6D-40HP 28.87 18640kg 9940*7610*2590
12 C-320D-256-100 100/85/70 25,600 320,000 NE365T-6D-40HP 28.81 19315kg 9775*3190*7433
13 C-320D-305-100 100/85/70 30,500 320,000 NE404T-6D-50HP 28.81 20216kg 9775*3190*7433
14 C-320D-213-120 120/102/84 21,300 320,000 NE365T-6D-40HP 28.81 19440kg 9940*7610*2590
15 C-320D-256-120 120/102/84 25,600 320,000 NE365T-6D-40HP 28.81 19200kg 10402*3190*7643
16 C-320D-256-144 144/124/106 25,600 320,000 NE405T-6D-60HP 28.81 23398kg 11180*2778*8727
17 C-456D-256-120 120/102/84 25,600 456,000 NE365T-6D-40HP 28.25 19970kg 10402*3190*7643
18 C-456D-256-144 144/124/106 25,600 456,000 NE405T-6D-60HP 28.25 24168kg 11180*2778*8727
19 C-456D-305-144 144/124/106 30,500 456,000 NE405T-6D-60HP 28.25 26347kg 11180*2778*8727
20 C-456D-305-168 168/145/124 30,500 456,000 NE405T-6D-60HP 28.25 30149kg 11927*2778*9021
21 C-640D-305-144 144/124/106 6 30,500 640,000 NE405T-6D-60HP 27.21 26216kg 11310*3640*8745
22 C-640D-365-144 144/124/106 36,500 640,000 NE444T-6D-75HP 27.21 28355kg 12044*3520*8985
23 C-640D-305-168 168/145/124 30,500 640,000 NE445T-6D 75HP 27.21 28560kg 11927*2778*9021
24 C-640D-365-168 168/145/124 36,500 640,000 NE444T-6D-75HP 27.21 30504kg 12044*3520*8985
25 C-912D-427-144 144/124/106 42,700 912,000 NE444T-6D-75HP 28.79 36515kg 11580*3490*8744
26 C-912D-365-168 168/145/124 36,500 912,000 NE445-6D-100HP 28.79 34372kg 12230*2737*9020
27 C-912D-305-192 192/165/139 30,500 912,000 NE445-6D-100HP 28.79 31840kg 12189*3490*9780
28 C-912D-427-192 192/165/139 42,700 912,000 NE445-6D-100HP 28.79 39206kg 12200*3490*9780
29 C-1280D-365-240 240/209/179 36,500 1,280,000 NE445-6D-100HP 28.67 41305kg 12200*3490*9779
30 C-1280D-427-192 192/165/139 42,700 1,280,000 NE445-6D-100HP 28.67 42306kg 12200*3490*9780

api pumping unit datasheet

Size Parameters
unit（inches）
NO. Pumping Unit Type A B C D E F G H I J K L M N R(M) T W X VV UU AA
1 C912D-365-192TH 210 120.31 286.02 120 244.33 172.5 321.93 111.2 18.98 108.27 157.91 62.59 463.5 22.05 86.61 48.43 53.9 113.7 51.97 35.47 49.57
2 C912D-365-168TH 210 120.31 261.97 120 244.33 148.5 321.89 111.2 41.38 108.27 158.35 50.39 464.8 22.05 86.81 48.43 53.9 113.7 51.97 40.31 49.53
3 C640D-365-168TH 210 120.31 261.97 120 238.66 148.5 310.8 111.2 41.38 108.27 159.65 50.39 425.43 22.05 85.87 41.34 53.19 107.76 51.97 37.13 50.2
4 C640D-305-168TH 210 120.04 262 120 237.72 148.5 310.2 111.38 34.84 108.27 159.25 68.86 426.4 17.72 75.98 41.34 51.18 107.6 44.57 31.89 52
5 C640D-365-144TH 180 120.31 261.97 120 238.74 148.5 310.8 110.98 40.47 108.27 129.61 73.7 404.09 22.05 85.87 41.34 53.19 107.76 51.97 35.55 50.2
6 C456D-365-120TH 151.97 120.31 261.97 120 238.74 148.5 314.66 110.93 40.43 108.27 101.57 94.37 384.61 22.05 85.87 39.37 53.19 109.37 51.97 39.09 50.12
7 C456D-305-144TH 180 120.04 262.01 120 237.72 148.5 310.16 110.98 36.85 108.27 129.21 76.38 406.02 17.72 75.98 39.37 51.18 109.37 51.97 35.59 50.2
8 C456D-256-144TH 180 120.04 260.4 120 237.72 148.5 310.31 109.02 38.07 106.3 129.21 81.5 405.63 15.75 75.98 39.37 50.87 109.37 51.97 35.59 49.02
9 C320D-305-120TH 155 111.06 232.01 110.98 237.32 132.01 296.85 95.98 39.96 108.27 101.57 93.86 384.84 17.72 75.98 37.4 51.18 109.37 51.97 38.19 52.76
10 C320D-305-100TH 129.02 111.06 232.01 110.98 213.39 132 296.85 95.98 34.65 95 83.15 87.72 336.3 15.75 68.9 37.4 44.96 95.28 51.97 38.19 52.76
11 C320D-256-120TH 155 111.06 232.01 110.98 213.39 132.01 296.85 95.98 45.83 95 109.13 63.15 354.65 15.75 68.9 37.4 44.96 95.28 51.97 38.19 52.76
12 C228D-246-86TH 110.98 111 216.14 110.98 203.07 132 265.98 81.1 41.59 78.74 68.35 85.1 306.69 15.75 65.35 33.46 41.81 84.88 31.5 34.88 35.63
13 C228D-213-86TH 110.98 96.06 195.75 95.98 185.04 114.02 247.04 80.71 36.69 76.18 72.5 65.63 287.13 14.17 59.75 33.46 37 82.54 33.25 29.88 37.13
14 C160D-200-74TH 95.98 84.06 168.66 84.02 162.4 95.98 222.32 69.68 34.25 67.72 62.09 54.65 264.56 14.17 57.76 29.53 37.2 83.86 31.5 28.82 25.04
15 C114D-173-64TH 84.02 84.06 167.09 84.02 158.46 93.74 216.54 70.35 42.52 67.72 49.57 54.65 230.35 12.6 57.76 25.59 34.65 78.43 31.5 28.82 26.5
16 C80D-133-54TH 72 64.02 127.17 64.02 122.09 74.49 165.83 52.17 25.75 50 48.43 42.2 188.19 11.02 42.32 21.65 25.12 60.28 27.95 13.58 19.29
17 C40D-89-42TH 55.98 48.19 108.35 47.99 98 57.52 186.5 46.85 16.38 44 41 42 152 9.84 38.5 17.72 25 58 25.25 13.5 16.63
TL:
1 C456D-365-120TL-A54 3860 3056 6654 1195 9168 3772 5558 2810 1027 2750 2580 2397 9769 560 2181 1351 2778
2 C640D-365-144TL-A54 4572 3056 6654 1196 9268 3772 5658 2820 999 2750 3292 1879 10264 560 2181 1351 2737
3 C640D-365-144TL-E565 4572 3056 6654 1196 10308 3772 5658 2820 999 2750 3292 1879 10264 560 2181 1351 2737
4 C640D-365-144TL-L795 4572 3056 6654 1196 10308 3772 5658 2820 999 2750 3292 1879 10264 560 2181 1351 2737
5 C640D-365-168TL-A54 5335 3056 6654 1196 9268 3772 5658 2820 1051 2750 4055 1280 10806 560 2181 1351 2737
6 C640D-365-168TL-L795 5335 3056 6654 1196 10308 3772 5658 2820 1051 2750 4055 1280 10806 560 2181 1351 2737
7 C912D-365-192TL-A62 5334 3056 7265 1347 9447 4382 5837 2820 1107 2750 4043 1681 11727 560 2200 1367 2888
8 C912D-365-168TL-A54 5335 3056 6654 1196 9447 3751 5837 2820 1477 2750 4055 854 10806 560 2181 1351 2888
9 C912D-365-168TL-DP80 5335 3056 6654 1196 10187 3751 5837 2820 1477 2750 4055 854 10806 560 2200 1369 2888
10 C912D-365-168TL-L795 5335 3056 6654 1196 10487 3751 5837 2820 1477 2750 4055 854 10806 560 2200 1369 2888
11 C912D-427-144TL 4572 3056 6654 1196 9447 3772 5837 2820 1028 2750 3293 1873 10264 560 2200 1369 2888

Download Oil Pump Jack pumping-unit-data-sheet-3-sheets(Excel File)

The detailed parameter sheets are in the above document.

Detailed Parameters
Model C912D-365-168TH C640D-365-168TH C640D-365-144TH C640D-305-168TH C456D-365-120TH C456D-305-168TH C456D-305-144TH C456D-256-144TH C320D-305-120TH C320D-256-120TH C320D-305-100TH C320D-256-100TH C228D-246-86TH C228-213-100 C160D-200-74TH C160D-173-86TH C114D-173-64TH C80-133-54TH
Basic Parameters Rated Polish Rod Capacity (lbs) 36,500 36,500 36,500 30,500 36,500 30,500 30,500 25,600 30,500 25,600 30,500 25,600 24,600 21,300 20,000 17,300 17,300 13,300
Stroke Length (in) 168/144/120 168/144/120 144/120/100 168/144/120 120/100/86 168/145/124 144/123/101 144/124/106 120/100/86 120/103/87 100/86/70 100/86/70 86/74/61 100/86/70 74/63/51 86/74/61 64/54/44 54/45/36
Max. Stroke Frequency (r/min) 8 10 10 14 10 8 8 14 10 10 12 10 10 10 10 10 12 12
Balanced Type Crank Balanced
Crank Direction Clockwise/Counterclockwise
Gear
Reducer		 Rated Torque(in.lbs) 912,000 640,000 640,000 640,000 456,000 456,000 456,000 456,000 320,000 320,000 320,000 320,000 228,000 228,000 160,000 160,000 11,400 80,000
Model 912D 640D 640D 640D 456D 456D 456D 456D 320D 320D 320D 320D 228D 228D 160D 160D 114D 80D
Gear Type Double circular arc gear reducer or Involute gear reducer
Reducing Ratio 28.79 28.363 28.363 28.363 28.255 28.255 28.255 28.255 28.807 28.807 28.807 28.807 28.873 28.873 28.506 28.506 28.355 31.832
Center Range (in) 48.43 41.34 41.34 41.34 39.37 39.37 39.37 39.37 37.4 37.4 37.4 37.4 33.46 33.46 29.53 29.53 25.59 21.65
Center Height (in) 30.91 25.98 25.98 25.98 25.59 25.59 25.59 25.59 23.23 23.23 23.23 23.23 19.69 19.69 17.72 17.72 16.73 13.78
Oil Storage quantity
(U.S. Gal)		 180 106 106 106 100 100 100 100 75 75 75 75 42 42 27 27 25 12
Lubricant 20# Gear lubricant in winter,200# Gear lubricant in summer
Sheave Diameter(in) 50″  50″  50″  50″  44.4″  44.4″  44.4″  44.4″  44.4″  44.4″  44.4″  44.4″ 36.4″ 36.4″ 30.4″ 30.4″ 30.4″ 24″
Sheave groove type 7C 6C 6C 6C 5C 5C 5C 5C 5C 5C 5C 5C 4C 4C 4C 4C 3C 3C
Balance Assembly Weight of Cranks (Lbs) 4482×2 3700×2 3700×2 3700×2 3630×2 3630×2 3630×2 3630×2 2996×2 2996×2 2996×2 2996×2 2160×2 2160×2 1553×2 1553×2 1553×2 896.5×2
Wrist Pin bore
Positions (in)		 47.09 47.09 47.09 47.09 47.05 47.05 47.05 47.05 42 42 42 42 42 42 32 32 32 24
40.2 40.2 40.2 40.2 40.16 40.16 40.16 40.16 35.91 35.91 35.91 35.91 35.91 35.91 27 27 27 20
33.31 33.31 33.31 33.31 33.27 33.27 33.27 33.27 29.8 29.8 29.8 29.8 29.8 29.8 22 22 22 16
Wire Line Type Φ32(6*37+IWR-1770 MPa) Φ32(6*37+IWR-1770 MPa) Φ32(6×37+IWR-1770 MPa) Φ32(6×37+IWR-1770 MPa) Φ32(6*37+IWR-1770 MPa) Φ32(6×37+IWR-1770 MPa) Φ32(6*37+IWR-1770 MPa) Φ28(6×37IWR-1770MPa) Φ28(6×37IWR-1770MPa) Φ28(6×37IWR-1770MPa) Φ28(6×37IWR-1770MPa) Φ28(6×37IWR-1770MPa) Φ28(6×37+IWR-1770 MPa) Φ28(6×37+IWR-1770 MPa) Φ28(6×37+IWR-1770 MPa) Φ28(6×37+IWR-1770 MPa) Φ28(6×37+IWR-1770 MPa) Φ22(6×37+IWR-1770 MPa)
Length (in) 445.98 445.98 400 445.98 360 445.98 400 400 360 360 360 360 295 330 260 295 260 193
Structure Unbalance (lbs) -573 -573 650 -767 1937 -754.5 234 5.4 362 362 1300 1276 2100 1154 882.2 2100 1173 90
Overall Dimensions
L*W*H (in)		 482×113.7×355.1 474.18×138.58×353.74 444.1×107.6×344.2 470×109.4×355.2 421.9×109.4×334 470×109.4×355.2 440.16×109.37×344.3 440.16×109.37×344.3 409.53×125.6×301 409.53×125.6×301 384.84×125.6×292.6 384.84×125.6×292.6 339.1×89×270 335.6×89×282.8 284.45×83.9×216.3 273×83.9×250.5 273×78.4×212.2 214.3×60×167.6
Bearing Type Wrist Pin 22328C 22328C 22328C 22328C 22328C 22328C 22328C 22328C 22322C 22322C 22322C 22322C 22322C 22322C 22318C 22318C 22318C 22314C
Tail Bearing 22340CK 22340C 22340C 22336C 22340C 22336C 22336C 22336C 22330C 22330C 22330C 22330C 22330C 22330C 22326C 22326C 22326C 22318C
Center Bearing NJ240 NJ240 NJ240 NJ2334 NJ240 NJ2334 NJ2334 NJ2334 NJ2330E NJ2330E NJ2330E NJ2330E NJ2330E NJ2330E NJ228 NJ228 NJ228 NJ220E
Sealing Ring Wrist Pin 130×160×12 130×160×12 130×160×12 130×160×12 130×160×12 130×160×12 130×160×12 130×160×12 110×140×12 110×140×12 110×140×12 110×140×12 110×140×12 110×140×12 90×120×12 90×120×12 90×120×12 70×95×10
Tail Bearing 190×220×15 190×220×15 190×220×15 160×190×15 190×220×15 160×190×15 160×190×15 160×190×15 140×170×15 140×170×15 140×170×15 140×170×15 140×170×15 140×170×15 120×150×12 120×150×12 120×150×12 70×95×10
Center Bearing  200×230×15  200×230×15  200×230×15 170*200*15  200×230×15 170×200×15 170×200×15 170×200×15 150×180×15 150×180×15 150×180×15 150×180×15 150×180×15 150×180×15 140×170×15 140×170×15 140×170×15 100×125×12
Reducer Bearing Output Shaft  Bearing 22244CA  Bearing 22244CA  Bearing 22244CA  Bearing 22244CA  Bearing 22244CA  Bearing 22244CA  Bearing 22244CA  Bearing 22244CA  Bearing 22238CA  Bearing 22238CA  Bearing 22238CA  Bearing 22238CA  Bearing 23136CA  Bearing 23136CA
Intermediate Shaft  Bearing NU2330E  Bearing NU2326  Bearing NU2326  Bearing NU2326  Bearing NU2326M  Bearing NU2326M  Bearing NU2326M  Bearing NU2326M  Bearing NU2224E  Bearing NU2224E  Bearing NU2224E  Bearing NU2224E  Bearing NU2322E  Bearing NU2322E
High Speed Shaft Bearing NU2324E  Bearing NU2322M Bearing NU2322M Bearing NU2322M  Bearing NU2322M  Bearing NU2322M Bearing NU2322M  Bearing NU2322M Bearing NU2320E Bearing NU2320E Bearing NU2320E Bearing NU2320E Bearing NU2217E Bearing NU2217E

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