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Connecting to industry Slide 2 Fittings for Steam Hose Slide 3 Remember Steam is minimum 212 F Slide 4 DPL Catalog Information in the back of the catalog Direct relationship between pressure and temperature of saturated steam. Slide 5 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. Slide 6 Dixon in keeping with the RMAs recommended Safety Factors, has approved for Steam Service, only a handful of products for use with Steam Hose. Slide 7 WARNING . NEVER use any Dixon fitting, or accessory item for Steam Service unless Dixon Valve & Coupling Company has expressly approved it for such service ! Slide 8 The Boss System for steam service Slide 9 The Boss System Available from through 6 Available from through 6 Good for up to 450 degrees F Good for up to 450 degrees F Available in Steel, Iron, Stainless Steel, and Brass. Available in Steel, Iron, Stainless Steel, and Brass. Slide 10 Boss Male Stems 1 ID & smaller is machined bar stock steel with standard barbed stem. 1 ID & larger is cast iron with Cor-O-Zig impression shank. Slide 11 Boss Male Stems Male NPT Thread Boss Clamping Collar Heavy Duty Hex Nut Slide 12 Boss Washer Style Female Flat surface on spud Flat Washer Flat surface on hose stem Clamp collar Slide 13 Boss Female Ground Joint Rounded seat in spud Rounded head on hose stem Boss clamping collar Slide 14 LP Boss Male Stem Boss Hose Mender Double Spud Washer Male Spud Female Spud Wing Nut Cap Female Adapter Male Adapter Boss Accessories for steam service Slide 15 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. Slide 16 Boss Clamps Nuts & Bolts to retighten the clamp as needed. Gripping fingers to engage Boss collar on hose stem Multi-section design for even take-up Slide 17 Clamp fingers properly engage fitting Boss clamping collar. Clamp sections do not touch . plenty of room for adjustment. Warning label installed. Slide 18 Clamp fingers bottomed out on neck of fitting. Clamp sections touching each other. No warning label Slide 19 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. Slide 20 DPL Catalog Boss Section Information can be found for both clamp sizing, and for torque ratings on nuts & bolts. Hose ID size Hose OD range Torque Slide 21 STEAM Quick Disconnects WARNING: Do not disconnect under pressure Slide 22 STEAM Quick Disconnects Rated to a maximum of 100 psi saturated steam (338 degrees F). 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. 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. Large gripping collar on sleeve of the coupler for ease of handling with gloves on. Available through 1 sizes. Available through 1 sizes. Slide 23 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 ! Slide 24 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. 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. 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. Slide 25 Are there any questions? Slide 26