- We manufacture and supply the deep oil well sucker rod pumps according to the API 11AX specifications of THC, THM, TLE, RWAC, RWBC, RHAC, RHBC, TP, RHAM, RHBM, RHTM, RHTC, RWBM, RXBC, RXBM, RWTC and RWTM
- Special pumps can be designed and manufactured such as hi-viscosity crude oil pumps, gas-proof pumps and sand-proof pumps according to the request of users
- Key parts of the pumps are made of materials with strong corrosion resistance and good mechanical properties conditions
- The valve balls and valve seats are made of different materials such as excellent corrosion-resisting stainless steel, tungsten carbide hardness alloy and metal ceramic
- Materials: AISI304, AISI316, AISI420C, AISI440.
-
Symbol
Symbol
Hardness
Material
A1
Stainless steel
Ball:58-65HRC
Seat: 52-56HRCUNS 41000–UNS 44000
B1
Cobalt alloy, cast
Ball: 56-63HRC
Seat: 50-56HRCCobalt, chromium, and
tungsten alloyB2
Cobalt alloy, powder
metalBall: 53-60HRC
Seat: 51-57HRCCobalt, chromium, and
tungsten alloyC1
Tungsten carbide
Ball: 88-89HRA
Seat: 88-89.5HRATungsten with Cobalt
binderC3
Titanium carbide
Ball: 89-90.5HRA
Seat: 89-90.5HRATungsten and titanium carbide
with cobalt binder
All products purchased in our company are guaranteed to keep in good repair for one year. If quality problems happen in
guarantee period, our company will maintain for free. Additionally, our company provides technical support and fittings for
life. After-sales service isn't restricted by time and we will assign technical personnel to solve your problems immediately
after receiving telephone and hear feedback idea of users and deal with them in time. If you are caught in some problems
when using our products, welcome to contact us at any time.
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.
Cynthia Jiang
E-maile: 1461540332 at
sale05 at
Website:
Mobile phone: 13839250964
We will do best services for you
PUYANG ZHONGSHI GROUP Co,Ltd
Http://