Sucker rod pump valve ball and seat supplier
USD $5 - $101 /Set
Min.Order:20 Sets
Puyang Zhongshi Group Co., Ltd.
Symbol | Symbol | Hardness | Material |
A1 | Stainless steel | Ball:58-65HRC | UNS 41000–UNS 44000 |
B1 | Cobalt alloy, cast | Ball: 56-63HRC | Cobalt, chromium, and |
B2 | Cobalt alloy, powder | Ball: 53-60HRC | Cobalt, chromium, and |
C1 | Tungsten carbide | Ball: 88-89HRA | Tungsten with Cobalt |
C3 | Titanium carbide | Ball: 89-90.5HRA | Tungsten and titanium carbide |
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NO. | Specification | Material |
1 | V11-106 | Stellite |
2 | V11-125 | Stellite |
3 | V11-150 | Stellite |
4 | V11-175 | Stellite |
5 | V11-200 | Stellite |
6 | V11-225 | Stellite |
7 | V11-250 | Stellite |
8 | V11-375 | Stellite |
NO. | ||
1 | V11-106 | Tungsten carbide |
2 | V11-125 | Tungsten carbide |
3 | V11-150 | Tungsten carbide |
4 | V11-175 | Tungsten carbide |
5 | V11-200 | Tungsten carbide |
6 | V11-225 | Tungsten carbide |
7 | V11-250 | Tungsten carbide |
8 | V11-375 | Tungsten carbide |
NO. | ||
1 | V11-106 | stainless steel |
2 | V11-125 | stainless steel |
3 | V11-150 | stainless steel |
4 | V11-175 | stainless steel |
5 | V11-200 | stainless steel |
6 | V11-225 | stainless steel |
7 | V11-250 | stainless steel |
8 | V11-375 |
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 .