Purchase Qty. Reference FOB Price
1-499 Pieces US$50.00
500-999 Pieces US$49.80
1,000-1,999 Pieces US$49.50
2,000-4,999 Pieces US$49.00
5,000+ Pieces US$46.00
Product Description
API 11AX valve balls and valve seats Valve balls and valve seats are widely used in oil fields , their performance directly affects the use effect and service life of the pumps. Each ball-and-seat combination is vacuum tested to ensure a perfect seal is obtained in all positions of ...