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QB21-80 3-Cylinder Crank Plunger Pump BOP View
QB21-80 Hydraulic Pump BOP CAMTOP

Model QB21-80 3-Cylinder Crank Plunger Pump | BOP Hydraulic Control Pump

QB21-80 three-cylinder crank-driven plunger pump for BOP hydraulic control systems. 21 MPa output pressure, 80cc/rev displacement. Electric motor driven, used as main or standby pump in BOP accumulator units.

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Description

The crankshaft plunger pump is a triple plunger pump driven by crankshaft connecting rod and uses valve distributing mode. Therefore, the crankshaft plunger pump has such advantages as simple structure, convenient maintenance and strong resistance to pollution and is applicable to site operating conditions. The crankshaft plunger pump is used for the system using hydraulic oil as medium.

13 Y07-28 Crosshead pin 3 26 HG4-692-67 Oil-seal 1
12 GB879-86 Pin 3 25 Y15-09 Big chain wheel 1
11 Y07-26 Crosshead shaft 3 24 GB297-64 Bearing 2
10 HG4-692-67 Oil-seal 6 23 Y07-44 Crank 1
9 Y15-06 1″ plunger 3 22 GB97-86 Pin 6
8 Y15-05 Packing gland 3 21 Y15-07 Small chain wheel 1
7 HG4-337-66 V pushing ring 3 20 GB1243.1-83 Chain 1
6 HG4-337-66 V pushing ring 9 19 Y07-37 Bush 6
5 HG4-337-66 V pushing ring 3 18 Y07-36 Link bonnet 3
4 Y15-03 Packing top sleeve 3 17 Y07-35 Link nut 6
3 Y07-07-00A Seal-adapter top 3 16 Y07-34 Link bolt 6
2 Y07-09 Valve seat 6 15 Y07-30 Link 3
1 Y07-08 Valve body 6 14 Y07-29 Crosshead 3
Item No. Code Description Qty Item No. Code Description Qty
Model QB21-80
3-cylindar crank plunger pump
Drawing No. Y15-00

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