Certification: | RoHS |
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Surface Treatment: | Polishing |
Temperature: | High Temperature |
Pressure: | High Pressure |
Material: | Tungsten Carbide/Stellite |
Type: | Straight-Way |
Samples: |
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Customization: |
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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 |
Dimensional Symbol | V11-106 | V11-125 | V11-150 | V11-175 | V11-200 | V11-225 | V11-250 | V11-375 |
Ball-D(mm) | 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(mm) | 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(mm) | 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(mm) | 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) |
API Valve Seat Standard
No. |
Specifications |
Dimensions OD/ID×H (in) |
Weight (g/pc) |
1 |
VII-106 |
0.793/0.460×0.500 |
22.81 |
2 |
VII-125 |
0.918/0.550×0.500 |
29.55 |
3 |
VII-150 |
1.168/0.670×0.500 |
49.53 |
4 |
VII-175 |
1.388/0.825×0.500 |
68.13 |
5 |
VII-200 |
1.478/0.960×0.500 |
69.05 |
6 |
VII-225 |
1.720/1.060×0.500 |
100.34 |
7 |
VII-250 |
2.010/1.310×0.500 |
127.04 |
8 |
VII-375-1 |
3.072/1.700×0.750 |
536.94 |
9 |
VII-375-2 |
3.072/1.880×0.750 |
484.12 |
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