Puyang Zhongshi Group Co., Ltd. |
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API 11AX Ceramic Valve Ball and Valve Seat
Product Description
High pressure sulfur resistant oil wells, compatible Cemented Carbide valve seats, etc.Various grades for
cemented carbide balls/pellets can be supplied according to customer's drawings.The surface finish,
tolerance class and tolerances of dimensions have respectively reached the standards of the machine industry.
API 11AX Ceramic Valve Ball and Valve Seat Features:
Material performance table
CODE | INSTRUCTION | HARDNESS | MATERIAL |
A1 | Stainless steel | Ball: HRC 58-65 | UNS 41000–UNS 44000 |
Seat: HRC 52-56 | 9Cr18Mo & 6 Cr18Mo | ||
B1 | Cobalt alloy casting | Ball: HRC 56-63 | Cobalt, chromium and tungsten alloy |
Seat: HRC 50-56 | |||
B2 | Cobalt alloy, powder metallurgy | Ball: HRC 53-60 | Cobalt, chromium and tungsten alloy |
Seat: HRC 51-57 | |||
C1 | Tungsten carbide | Ball: HRA 88-89 | Tungsten with cobalt adhesive |
Seat: HRA 88-89.5 | |||
C3 | Titanium carbon compounds | Ball: HRA 89-90.5 | Tungsten and titanium with cobalt adhesive carbon compounds |
Seat: HRA 89-90.5 |