API-RHBC, Rod, Stationary Heavy Wall Barrel, Cup Bottom Anchor Pump
Working principle: RHBC rod pump is equipped with a cup seating nipple N11, cup
seating nipple N11 connection on the tubing string, down to the bottom of the well with the
tubing string. Plunger assembly connection on the sucker rod string and with the pump
overall down to cup seating nipple N11 position together , pump with fixed inside the cup
seating nipple N11, Plunger assembly with the sucker rod string up and down
reciprocating movement to achieve pumping work.
RHBC advantage: if the pump appeared quality problem, need not put forward the tubing
string, only need put the whole pump forward well through the sucker rod string together ,
operation is simple.
Main parts process and material:
Pump barrel: plain carbon steel plating (A1), ordinary carbon steel carbonitriding (B1),
ordinary carbon steel carburizing (B2), low alloy steel nitride (B5).
Plunger: 1045 steel spraying (B1), 1045 steel spraying (B2), 1045 steel chrome plating
(A1), 1045 steel double chrome plating (A2).
Valve ball and seat: stainless steel (A1), cobalt chromium (B2), tungsten carbide (C1),
nickel and carbon compounds (C2), titanium carbide (C3).
Other accessories: plain carbon steel, low alloy steel, stainless steel, brass and other
materials.
Technical parameter list:
| specification |
pump diameter (mm) |
barrel length (m) |
Plunger length (m) |
stroke length (m) |
Extension length (m) |
tubing size EUE |
sucker rod size |
| 20-106RHBC |
Φ26.99 |
2.1-10.4 |
0.3-8.0 |
1.2-9.0 |
0.3-0.9 |
1.9" |
CYJ16
CYJ19 |
| 20-125RHBC |
Φ31.75 |
2-3/8" |
| 20-150RHBC |
Φ38.10 |
2-7/8" |
| 20-175RHBC |
Φ44.45 |
2-7/8" |
| 30-225RHBC |
Φ57.15 |
3-1/2" |
Audited Supplier 
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