Product Description
Symbol | Symbol | Hardness | Material |
A1 | Stainless steel | Ball:58-65HRC Seat: 52-56HRC | UNS 41000–UNS 44000 |
B1 | Cobalt alloy, cast | Ball: 56-63HRC Seat: 50-56HRC | Cobalt, chromium, and tungsten alloy |
B2 | Cobalt alloy, powder metal | Ball: 53-60HRC Seat: 51-57HRC | Cobalt, chromium, and tungsten alloy |
C1 | Tungsten carbide | Ball: 88-89HRA Seat: 88-89.5HRA | Tungsten with Cobalt binder |
C3 | Titanium carbide | Ball: 89-90.5HRA Seat: 89-90.5HRA | Tungsten and titanium carbide with cobalt binder |
<
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 |
each set packing
wooden case packing
Customer inspecting
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 .
,