Specifications
The seat must be checked for tightness with the help of a vacuum sealed device and the ball under the vacuum pressure not less than 0.65kgf/cc during 10 seconds. The pressure changes are strictly forbidden if the seat is not hermetic in the seat.
Properties: good resistance against corrosion and oxidation;
Application fields: Subsurface pump/Oilfield Tubing pump/Insert pump, sealing, it is widely used in petroleum industry and other anti-corrosion machine parts.
Material: cobalt-base alloy(stellite), nickel -base alloy, Titanium carbide, Tungsten Carbide, stainless steel or other corrosion resistant material.
Technical Parameters
1. Industrial Standard: API or GOST
2. Manufacturing Process: B1 or B2
3. Treated with anti-corrosion material.
4. Valve Seat Height: 12.7mm
5. Usage: oilfield sucker rod pump or used as other valve pair
6. Model: V11-106, V11-125, V1-150, V11-175, V11-225, V11-250 or oversized
Cobalt Alloy Cast Ball and Seat
API No. | Seat Size | Ball Size |
V11-106 | 1-1/16" | 5/8" |
V11-125 | 1-1/4" | 3/4" |
V11-150 | 1-1/2" | 15/16" |
V11-175 | 1-3/4" | 1-1/8" |
V11-200 | 2" | 1-1/4" |
V11-225 | 2-1/4" | 1-3/8" |
V11-250 | 2-3/4" | 1-1/16" |
V11-375 | 3-3/4" | 2-1/4" |