2014 hot sales for the whole tube type pump
USD $500 - $2,019 /Set
Min.Order:10 Sets
Puyang Zhongshi Group Co., Ltd.
1.operating principle:
On the up stroke, plunger is at the bottom. due to the high hydraulic of upper oil pipe, upper and lower traveling
valve being closed, the plunger goes upward. Under the differential pressure, fixed valve opening the oil inlet,
downhole pressure drive formation liquid through the fixed valve flow into the pump cylinder;
On the down stroke, the oil pressure drives traveling valve opened, the oil from the below plunger through the
plunger hole traveling valve flowing to the plunger, then flowing into the tubing.
2.Structural characteristics:
The pump is composed of barrel, plunger, coupling, fixed valve, simple structure, convenient operation. 3.Technical parameters:
Diameter of Pump (mm) | Barrel Length(m) | Plunger Length(mm) | Tubing Size(in) | Rod Size(in) | Pump Constant (m3/d) |
28 | 3.3-9.5 | 0.6-6.9 | 2 7/8 | 3/4 | 0.877 |
32 | 2 7/8 | 3/4 | 1.140 | ||
38 | 2 7/8 | 3/4 | 1.642 | ||
44 | 2 7/8 | 3/4 | 2.235 | ||
50 | 3.3-8 | 0.6-5.4 | 2 7/8 | 3/4 | 3.012 |
56 | 2 7/8 | 3/4 | 3.694 | ||
70 | 3 1/2 | 7/8 | 5.518 | ||
95 | 3.3-6.6 | 0.6-1.8 | 4 1/2 | 1 | 9.128 |
We offer you pre-sale services, after-sale services which including sales
guidance, information supply & technical support, technical drawing supply,
production planning provide, production schedule provide, inspection support
and certificate provide.
Puyang Zhongshi Group co., Ltd. was founded in 1996, which is the restructured enterprise
of Central Plains oilfield branch company of SINOPEC . The company registered capital is
60.83 million yuan, with annual output value 200 million yuan, 580 employees, including
more than 160 technical and administrative staff . Oil machinery is our main products, the
leading products include pumping unit, subsurface sucker rod pump, wellhead (Christmas
Tree), pressure vessels, drilling solid control series products and cementing accessories. We
had attained ISO 9001 in 1998 and API Certificates in 2002 .
Certificates