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Dixon Fittings for Steam Hose - Stay Safe with Our Approved Products!

Remember, steam is HOT - minimum 212°F! Dixon offers a range of fittings approved for steam service, including The Boss System and Steam Quick Disconnects. Follow RMA guidelines and never use unauthorized fittings for steam service. Stay safe with Dixon!

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Dixon Fittings for Steam Hose - Stay Safe with Our Approved Products!

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  1. Fittings for Steam Hose

  2. Remember Steam is……… HOT minimum 212 F

  3. DPL Catalog Information in the back of the catalog Direct relationship between pressure and temperature of saturated steam.

  4. The RMA (Rubber Manufacturers Association) Has designated Steam the most potentially dangerous of all materials that is handled through a hose assembly. As such, it carries a Safety Requirement Factor of 10 to 1.

  5. Dixon …… in keeping with the RMA’s recommended Safety Factors, has approved for Steam Service, only a handful of products for use with Steam Hose.

  6. WARNING ……. NEVER use any Dixon fitting, or accessory item for Steam Service unless Dixon Valve & Coupling Company has expressly approved it for such service !

  7. The Boss System for steam service

  8. The Boss System • Available from ¼” through 6” • Good for up to 450 degrees F • Available in Steel, Iron, Stainless Steel, and Brass.

  9. Boss Male Stems 1” ID & smaller is machined bar stock steel with standard barbed stem. 1 ¼” ID & larger is cast iron with “Cor-O-Zig” impression shank.

  10. Boss Male Stems Male NPT Thread Heavy Duty Hex Nut Boss Clamping Collar

  11. Boss Washer Style Female Clamp collar Flat surface on spud Flat surface on hose stem Flat Washer

  12. Boss Female Ground Joint Boss clamping collar Rounded seat in spud Rounded head on hose stem

  13. Boss Accessories for steam service Female Adapter LP Boss Male Stem Wing Nut Cap Female Spud Male Adapter Double Spud Boss Hose Mender Washer Male Spud

  14. Cold Flow … … is a phenomena related to rubber (elastomers). Rubber moves away from points of stress! Pressure and heat intensify the Cold Flow movement. Since steam presents both pressure as well as heat, it becomes very important in choosing the proper means of clamping the assembly.

  15. Boss Clamps Gripping fingers to engage Boss collar on hose stem Nuts & Bolts to retighten the clamp as needed. Multi-section design for “even” take-up

  16. Clamp sections do not touch …. plenty of room for adjustment. CORRECT Clamp fingers properly engage fitting Boss clamping collar. Warning label installed.

  17. INCORRECT Clamp sections touching each other. Clamp fingers “bottomed out” on neck of fitting. No warning label

  18. Boss Clamps Torque values on the nuts & bolts of the Boss clamps will vary by size. Torque values in Foot Pounds can be found in the Boss Clamp section of the Dixon DPL Catalog.

  19. Hose ID size Hose OD range Torque DPL Catalog Boss Section Information can be found for both clamp sizing, and for torque ratings on nuts & bolts.

  20. STEAM Quick Disconnects WARNING: Do not disconnect under pressure

  21. STEAM Quick Disconnects • Rated to a maximum of 100 psi saturated steam (338 degrees F). • Spring loaded safety shut-off valve in both the plug and the coupler. • Large gripping collar on sleeve of the coupler for ease of handling with gloves on. • Available ¼” through 1 ½” sizes.

  22. STEAM Quick Disconnects are Female NPT threaded ….. In order to be properly used in Steam Service they must be threaded onto a “Boss” male that has been secured in the hose with a “Boss” clamp !

  23. STEAM Quick Disconnects • In order to properly drain a steam hose assembly that has valve type fittings, you have two options available: • Allow media to completely cool. Completely remove the valved Quick Disconnects and drain the water. • Allow media to completely cool. Insert a spare plug into the coupler end of the assembly, and roll the hose towards the open end to drain the water.

  24. Are there any questions?

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