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files/Style_90_65_gasket_retainer_cup.webp
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Service parts for Dresser Style 90 compression fittings. Style 90 gaskets are interchangeable with most corresponding sizes of the gaskets used in Style 38 couplings, and the insulating parts rebuild Style 90 insulating couplings.
Application: Re-gasketing and rebuilding Style 90 fittings on service lines.
Included: the part named in the options.
Coupling or fitting parts, by others: followers, bolts and middle rings are not included unless named in the option.
Covered for 12 months from the date of purchase under Dresser’s published warranty terms.
| Gaskets | Armored Grade 27; Grade 41 and #1 insulating |
| Max temperature | 150°F in Style 90 fittings |
| Insulators | Dresser insulating plastic |
Dresser gasket grade overview and Grade 27 submittal, 2021.
| Grade | Rubber | Max temperature | Max pressure | Mold code |
|---|---|---|---|---|
| 27 | SBR Buna-S | 212°F | Per coupling rating | White |
| 41 | Natural | 212°F | Per coupling rating | Dark green |
| 42 | Buna-N nitrile | 212°F | Per coupling rating | Yellow |
| 224 | Fluorocarbon (Viton) | 350°F | 100 PSI | Brown/tan |
| 365 | Graphite fiber | 1,200°F | None (may not seal leak-tight) | — |
Dresser gasket grade overview, 2021. In Style 65, 88 and 90 compression fittings the maximum is 150°F.
Storage: Dresser rubber gaskets keep five years or more on the shelf stored cool (32 to 80°F), dark and away from ozone, sunlight and weather, lying in their normal ID-OD position with nothing stacked on them.
Product videos are being added to this listing. For a walkthrough in the meantime, email sales@watermainsupply.com.
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