 Products :: Pumping equipment :: Sucker-rod pumps (SRP) :: Designation Decoding of SRP Designation Decoding by API
25-175-RHAM-14-4-4 |
Variants are possible |
25 - the nominal diameter of the oilwell tubing (2 7/8 " - 73,0 mm)
|
15 - 1,9 " (48,3 mm) |
| 20 - 2 3/8 " (60,3 mm) |
| 30 - 3 1/2 " (88,9 mm) |
| 40 - 4 1/2 " (117,3 mm) |
|
175 - the pump internal diameter (nominal size) (1 3/4 " - 44,5 mm)
|
106 - 1 1/16 " (27,0 mm) |
| 125 - 1 1/4 " (31,8 mm) |
| 150 - 1 1/2 " (38,1 mm) |
| 225 - 2 1/4 " (57,2 mm) |
| 275 - 2 3/4 " (69,9 mm) |
| 375 - 3 3/4 " (95,25 mm) |
| R - insert pump |
Ò - tubing pump |
| Í - thick-wall barrel |
W - thin-wall barrel |
|
À - the upper position of the lock support
|
 - the lower one |
| Ò - the lower one with a movable barrel |
| Ì - attachment type: mechanic |
Ñ - cup |
| 14 - barrel lenth, ft |
|
| 4 - nominal plunger lenth, ft |
|
| 4 - total lenth of the extension units, ft |
|
Designation expansion as per GOST R 51896-2002
73-ÍÂ1ÁÌ-44-30-12 |
variants are possible |
73 - Nominal diameter of the oilwell tubing (73 mm - 2,5 ")
|
48 (48 mm - 1,5") |
| 60 (60 mm - 2,0") |
| 89 (89 mm - 3,0") |
| 102 mm - 3,5" |
| 114 mm - 4,0" |
| ÍÂ - insert pump |
ÍÍ - tubing pump |
| 1 - the upper position of the lock support |
2 - the lower position of the lock support |
| Á - thick-wall barrel |
Ò - thin-wall barrel |
| Ì - mechanic pump support |
à - hydraulic pump support |
44 - nominal barrel diameter (44 mm - 1,75")
|
27 (27 mm - 1,06") |
| 32 (32 mm - 1,25") |
| 38 (38 mm - 1,50") |
| 50 (50 mm - 2,00") |
| 57 (57 mm - 2,25") |
| 63 (63 mm - 2,50") |
| 70 (70 mm - 2,75") |
| 95 (95 mm - 3,75") |
30 - plunger stroke length, mm, diminished by a factor of 100
|
9 - 36" |
| 12 - 48" |
| 15 - 60" |
| 18 - 72" |
| 21 - 84" |
| 25 - 96" |
| 35 - 144" |
| 40 - 156" |
| 45 - 180" |
| 50 - 204" |
| 55 - 216" |
| 60 - 240 äþéìîâ |
12 - plunger lenth, mm, diminished by a factor of 100
|
5 - 20" |
| 9 - 36" |
| 15 - 60" |
| 18 - 72" |
the pump installation group – the clearance between the plunger and the barrel
|
1 - 0 ... 0,063 mm |
| 2 - 0,025 ... 0,078 mm |
| 3 - 0,050 ... 0,113 mm |
| 4 - 0,075 ... 0,138 mm |
| 5 - 0,100 ... 0,163 mm |
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