XI'AN ZZ TOP OIL TOOLS CO.,LTD
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Price: | 5.0 USD |
Payment Terms: | T/T,L/C |
Special Groups: |
Adapter spool ring gasket (3)
Wellhead Ring gasket (2) |
Place of Origin: | Shaanxi, China (Mainland) |
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Wellhead Ring gaskets SS316 for DSA
API ring Joint gaskets come in two basic types, an oval cross section and an octagonal cross section. These basic shapes are used in pressures up to 10,000 psi. The dimensions are standardized and require specially grooved flanges. The octagonal cross section has a higher sealing efficiency than the oval and would be the preferred gasket. However, only the oval cross section can be used in the old type round bottom groove. The newer flat bottom groove design will accept either the oval or the octagonal cross section. The sealing surfaces on the ring joint grooves must be smoothly finished to 63 micro inches and to be free of objectionable ridges, tool or chatter marks. They seal by an initial line contact or a edging action as the compressive forces are applied.
The hardness of the ring should always be less than the hardness of the flanges to prevent flange deformation. Dimensions for API ring joint gaskets and grooves are covered in ASME B16.20 and API6A
THE MAIN TECHNICAL PARAMETERS FOR RTJ GASKET:
RAW MATERIAL | MAX. HARDNESS | TEMPERATURE | ABBREVIATIONS MARKER | |
BRUCELLOSIS | ROCKWELL | |||
SOFT IRON | 90 | 56 | -60 540 | D |
LOW CB STEEL | 120 | 68 | -40 540 | S |
304SS | 160 | 83 | -250 700b | 304 |
304LSS | 150 | 83 | -250 450 | 304L |
316SS | 160 | 83 | -200 700b | 316 |
316LSS | 150 | 83 | -200 450 | 316L |
321SS | 160 | 83 | -200 700b | 321 |
347SS | 160 | 83 | -200 700b | 347 |
410SS | 170 | 86 | -40 650 | 410 |
5Cr-0.5Mo | 130 | -29 650 | ||
COPPER | 80 | -100 315 | ||
ALUMINUM | 35 | -200 425 | ||
INCONEL 600 | 150 | -100 1095 | ||
INCOLOY 825 | 160 | -100 1095 | ||
MONEL 400 | 150 | -100 760 | ||
TITANIUM | 215 | -200 540 | ||
NICHEL 200 | 110 | -200 760 | ||
HASTELLOY C276 | 200 | -100 1095 |
R Type Octagonal Ring Gaskets
Ring number
| Pitch diameter of Ring(P) | Height of Ring(H) | Width of flat(C) | Corner Radius Type(R) |
R 20 | 2.688 | 0.50 | 0.206 | 0.06 |
R 23 | 3.250 | 0.63 | 0.305 | 0.06 |
R 24 | 3.750 | 0.63 | 0.305 | 0.06 |
R 26 | 4.000 | 0.63 | 0.305 | 0.06 |
R 27 | 4.250 | 0.63 | 0.305 | 0.06 |
R 31 | 4.875 | 0.63 | 0.305 | 0.06 |
R 35 | 5.375 | 0.63 | 0.305 | 0.06 |
R 37 | 5.875 | 0.63 | 0.305 | 0.06 |
R 39 | 6.375 | 0.63 | 0.305 | 0.06 |
R 41 | 7.125 | 0.63 | 0.305 | 0.06 |
R 44 | 7.625 | 0.63 | 0.305 | 0.06 |
R 45 | 8.313 | 0.63 | 0.305 | 0.06 |
R 46 | 8.313 | 0.69 | 0.341 | 0.06 |
R 47 | 9.000 | 0.94 | 0.485 | 0.06 |
R 49 | 10.625 | 0.63 | 0.305 | 0.06 |
R 50 | 10.625 | 0.81 | 0.413 | 0.06 |
R 53 | 12.750 | 0.63 | 0.305 | 0.06 |
R 54 | 12.750 | 0.81 | 0.413 | 0.06 |
R 57 | 15.000 | 0.63 | 0.305 | 0.06 |
R 63 | 16.500 | 1.25 | 0.681 | 0.09 |
R 65 | 18.500 | 0.63 | 0.305 | 0.06 |
R 66 | 18.500 | 0.81 | 0.413 | 0.06 |
R 69 | 21.000 | 0.63 | 0.305 | 0.06 |
R 70 | 21.000 | 0.94 | 0.485 | 0.06 |
R 73 | 23.000 | 0.69 | 0.341 | 0.06 |
R 74 | 23.000 | 0.94 | 0.485 | 0.06 |
R 82 | 2.250 | 0.63 | 0.305 | 0.06 |
R 84 | 2.500 | 0.63 | 0.305 | 0.06 |
R 85 | 3.125 | 0.69 | 0.341 | 0.06 |
R 86 | 3.563 | 0.81 | 0.413 | 0.06 |
R 87 | 3.938 | 0.81 | 0.413 | 0.06 |
R 88 | 4.875 | 0.94 | 0.485 | 0.06 |
R 89 | 4.500 | 0.94 | 0.485 | 0.06 |
R 90 | 6.125 | 1.06 | 0.583 | 0.06 |
R 91 | 10.250 | 1.50 | 0.879 | 0.09 |
R 95 | 33.750 | 0.94 | 0.485 | 0.06 |
R 99 | 9.250 | 0.63 | 0.305 | 0.06 |
R 102 | 33.750 | 1.50 | 0.879 | 0.09 |
Type BX Pressure Energized Ring Gasket
Ring number | OD | Height(H) | Width(A) | Diameter of flat(ODT) | Width of flat(C) | Hole size(D) | Corner Radius(R) |
BX 150 | 2.842 | 0.366 | 0.366 | 2.790 | 0.314 | 0.06 | 0.06 |
BX 151 | 3.008 | 0.379 | 0.379 | 2.954 | 0.325 | 0.06 | 0.06 |
BX 152 | 3.334 | 0.403 | 0.403 | 3.277 | 0.346 | 0.06 | 0.06 |
BX 153 | 3.974 | 0.448 | 0.448 | 3.910 | 0.385 | 0.06 | 0.06 |
BX 154 | 4.600 | 0.488 | 0.488 | 4.531 | 0.419 | 0.06 | 0.06 |
BX 155 | 5.825 | 0.560 | 0.560 | 5.746 | 0.481 | 0.06 | 0.06 |
BX 156 | 9.367 | 0.733 | 0.733 | 9.263 | 0.629 | 0.12 | 0.06 |
BX 157 | 11.593 | 0.826 | 0.826 | 11.476 | 0.709 | 0.12 | 0.06 |
BX 158 | 13.860 | 0.911 | 0.911 | 13.731 | 0.782 | 0.12 | 0.06 |
BX 159 | 16.800 | 1.012 | 1.012 | 16.657 | 0.869 | 0.12 | 0.06 |
BX 160 | 15.850 | 0.938 | 0.541 | 15.717 | 0.408 | 0.12 | 0.12 |
BX 161 | 19.347 | 1.105 | 0.638 | 19.191 | 0.482 | 0.12 | 0.12 |
BX 162 | 18.720 | 0.560 | 0.560 | 18.641 | 0.481 | 0.06 | 0.06 |
BX 163 | 21.896 | 1.185 | 0.684 | 21.728 | 0.516 | 0.12 | 0.12 |
BX 164 | 22.463 | 1.185 | 0.968 | 22.295 | 0.800 | 0.12 | 0.12 |
BX 165 | 24.595 | 1.261 | 0.728 | 24.417 | 0.550 | 0.12 | 0.12 |
BX 166 | 25.198 | 1.261 | 1.029 | 25.020 | 0.851 | 0.12 | 0.12 |
BX 167 | 29.896 | 1.412 | 0.516 | 29.696 | 0.316 | 0.06 | 0.06 |
BX 168 | 30.128 | 1.412 | 0.632 | 29.928 | 0.432 | 0.06 | 0.06 |
BX 169 | 6.831 | 0.624 | 0.509 | 6.743 | 0.421 | 0.06 | 0.06 |
BX 170 | 8.584 | 0.560 | 0.560 | 8.505 | 0.481 | 0.06 | 0.06 |
BX 171 | 10.529 | 0.560 | 0.560 | 10.450 | 0.481 | 0.06 | 0.06 |
BX 172 | 13.113 | 0.560 | 0.560 | 13.034 | 0.481 | 0.06 | 0.06 |
Wellhead Ring gaskets SS316 for DSA