Purchase Qty. Reference FOB Price
1-499 Pieces US$30.00
500-999 Pieces US$29.50
1,000-2,999 Pieces US$29.00
3,000-4,999 Pieces US$28.50
5,000+ Pieces US$28.00
Product Description
Cobalt-base Alloys V11-175 Valve Balls and Valve Seats Both are mainly used for the sealing of valves of oil pumps in petroleum industry's sand containing wells, viscous oil wells, sea oil wells and high pressure sulfur resistant oil wells, etc. They are used with compatible cemented ...