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SS-Type 604: John crane Type 604 replacement

Description:
SS-Type 604: Metal bellows seal, Replacement of John crane Type 604

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SS-604
Structure Description:
Equivalent to John crane metal bellow seal type 604
Welded metal bellows design
Operating Limits:
Temperature: -20---425º C
Speed: 20m/s
Pressure: 25bar
Standard size: 0.75''-3.75''
Material:
Seal ring: Car, Sic, Ssic, TC
Secondary seal: Carbon graphite
Spring and Metal parts: 304, 316, AM350, HAST. C, Inconel 718, Titanium

SS-604 is a high-temperature (to 425° C/800° F) rotating seal head assembly that incorporates all of the rugged features of the Johncrane Type 604, but is intended for those demanding applications where a dependable, high-strength, rotating seal is preferred. A narrow cross-section design enables the SS609 to fit in the most popular pumps without expensive and time-consuming seal chamber modifications. This makes it the ideal seal for heat transfer, hydrocarbon and other applications that commonly use pumps with limited seal chamber clearances. Typical applications include hot hydrocarbons, aqueous solutions, aromatic fractionation products, crude oil fractionation products and heat transfer fluids.

Shaft Size
A		 B C D  E F  G H
1.000 1.937 1.969 1.138 3.107 0.500  1.565 1.365
1.125 2.062 1.969 1.138 3.107 0.500  1.719 1.519
1.250 2.187 1.969 1.138 3.107 0.500  1.845 1.645
1.375 2.312 1.938 1.138 3.076 0.501  1.970 1.720
1.500 2.562 2.063 1.191 3.254 0.620  2.095 1.845
1.625 2.562 2.060 1.222 3.282 0.625  2.220 1.970
1.750 2.687 2.060 1.254 3.314 0.625  2.345 2.095
1.875 2.812 2.062 1.254 3.315 0.629  2.471 2.221
2.000 2.937 2.060 1.285 3.345 0.623  2.595 2.345
2.125 3.187 2.182 1.317 3.499 0.620  2.721 2.471
2.250 3.312 2.218 1.348 3.566 0.657  2.846 2.596
2.375 3.437 2.186 1.379 3.565 0.625  3.096 2.796
2.500 3.562 2.184 1.410 3.595 0.625  3.221 2.921
2.625 3.687 2.250 1.443 3.693 0.625  3.347 3.047
2.750 3.937 2.250 1.608 3.858 0.625  3.502 3.202
2.875 4.062 2.281 1.608 3.889 0.656  3.627 3.327
3.000 4.187 2.250 1.608 3.858 0.625  3.772 3.442
3.125 4.312 2.250 1.608 3.858 0.625  3.897 3.567
3.250 4.437 2.219 1.608 3.827 0.594  4.022 3.692
3.375 4.562 2.282 1.608 3.890 0.657  4.147 3.817
3.500 4.687 2.373 1.650 4.023 0.656  4.272 3.942
3.625 4.812 2.375 1.650 4.025 0.656  4.397 4.067
3.750 4.937 2.375 1.650 4.025 0.656  4.522 4.192
3.875 5.062 2.377 1.650 4.027 0.656  4.647 4.317

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