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Service parts for Dresser Style 65 boltless compression fittings. Armored Grade 27 gaskets are Dresser’s standard, armored Grade 42 resists oil, and insulating adapter gaskets join steel pipe to copper tube of the same nominal size while breaking current flow.
Application: Repairing and re-gasketing Style 65 couplings, elbows and adapters.
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 standard; armored Grade 42 oil resistant |
| Retainer | Cold-rolled carbon steel |
| End nuts | Malleable iron, E-coat or galvanized |
| Max temperature | 150°F in Style 65 fittings |
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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