Morrison Bros Fig. 272DLS, 272HDL, 272HDS, 272HOL, 272HOS Internal Emergency Valves - (Locking, Ductile Iron, Ductile Iron With Shear Section, Brass, Shear Section)

Item Series: Morrison Bros Fig. 272DLS, 272HDL, 272HDS, 272HOL, 272HOS Internal Emergency Valves - (Locking, Ductile Iron, Ductile Iron With Shear Section, Brass, Shear Section) Downloadable Resources: FIG 272 SPECIFICATION SHEET FIG 272 INSTALLATION INSTRUCTIONS Product Ordering Information: (CLICK HERE - SEE YELLOW SECTIONS) FOR CHART ON FURTHER ITEM NUMBERS INFORMATION Products Description & Features: Description: Designed for installation at the bottom outlet of an aboveground storage tank (AST) where product flow must be stopped in the event of a fire. Fusible link holds the spring loaded valve open until activated. WARNING: 272 Series valves shown on this page require periodic inspection to ensure the shut-off mechanism is operating correctly. They are not intended to be used as a block valve and should not be opened under pressure. NOTE: The 272 Series valves require periodic inspection to ensure the shutoff mechanism is operating correctly. They are not intended to be used as a "block valve" and should not be opened under pressure. Features and Details: • Adjustable hold-open mechanism • 212° UL listed fusible link standard (165° available) • Shear section model provides added impact protection • Locking models for added theft deterrent. Materials of Construction: (272DI) • Body and plunger... Ductile iron • Shaft... Stainless steel • Shaft packing... PTFE • O-ring... PTFE encapsulated FKM (4″ x 3″) • Spring... Stainless steel. (272HDI, 272HDS, 272DLS) • Body and plunger... Ductile iron • Shaft... Zinc plated steel • Shaft packing... PTFE • O-ring... PTFE encapsulated FKM • Spring... Stainless steel. (272HO, 272HOL, 272HOS, 272HLS) • Body and plunger... Brass • Shaft Packing... PTFE impregnated Fiber or PTFE • O-ring... FKM or PTFE • Spring... Stainless steel • Shaft... Zinc plated steel. Please inquire about product information, installation services, bulk pricing, variable lengths, quotes or any questions you may have! sales@railyardsupply.com (610) 652-5218