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 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.
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