API stainless steel valve ball and valve seat
USD $5 - $100 /Set
Min.Order:60 Sets
Puyang Zhongshi Group Co., Ltd.
product specifications
Materials for Balls and Seats
Symbol | Symbol | Hardness | Material |
A1 | Stainless Steel | Ball: HRC 58-65 Seat: HRC 52-56 | UNS 41000–UNS 44000 |
B1 | Cobalt Alloy, Cast | Ball: HRC 56-63 Seat: HRC 50-56 | Cobalt, chromium, and tungsten alloy |
B2 | Cobalt Alloy, Powder Metal | Ball: HRC 53-60 Seat: HRC 51-57 | Cobalt, chromium, and tungsten alloy |
C1 | Tungsten Carbide | Ball: HRA 88-89 Seat: HRA 88-89.5 | Tungsten with Cobalt binder |
C3 | Titanium Carbide | Ball: HRA 89-90.5 Seat: HRA 89-90.5 | Tungsten and titanium carbide with cobalt binder |
Specification & size
Dimensional Symbol | V11-106 | V11-125 | V11-150 | V11-175 | V11-200 | V11-225 | V11-250 | V11-375 |
Ball-D +0.020/–0.010 (+0.51/–0.25) | 15.88 (0.625in) | 19.05 (0.75in) | 23.83 (0.938in) | 28.58 (1.125in) | 31.75 (1.25in) | 34.93 (1.375in) | 42.88 (1.688in) | 57.15 (2.25in) |
Seat-ID ± 0.050 (± 1.27) | 11.68 (0.46in) | 13.97 (0.55in) | 17.02 (0.67in) | 20.96 (0.825in) | 24.38 (0.96in) | 26.92 (1.06in) | 33.27 (1.31in) | 43.18 (1.7in) |
Seat-OD +0.000/–0.005 (+0.00/–0.13) | 20.14 (0.793in) | 23.32 (0.918in) | 29.67 (1.168in) | 35.26 (1.388in) | 37.54 (1.478in) | 43.69 (1.72in) | 51.05 (2.01in) | 78.03 (3.072in) |
Seat-H +0.020/–0.010 (+0.51/–0.25) | 0.500 (12.70in) | 0.500 (12.70in) | 0.500 (12.70in) | 0.500 (12.70in) | 0.500 (12.70in) | 0.500 (12.70in) | 0.500 (12.70in) | 0.750 (19.05in) |
Note 1: All dimensions in inches (followed by equivalent in millimeters). Note 2: API ball and seat valves are designed to operate in F22 boxes. Note 3: Additional ball specifications: ball roundness range to be 0.0001 in. (0.003 mm), maximum; ball surface roughness: 5RA, maximum; ball OD tolerance shall be ± 0.001 in. (± 0.025 mm) for all balls less than 2-inch diameter and ± 0.002 in. (± 0.050 mm) for all balls 2 inches diameter and over. |
packaging pictures
welcome contact us for pump valve ball and valve seat.