Shan-Rod branded round butterfly fabricated dampers are designed to give long, trouble free service in all low pressure service applications. The versatility of fabricated dampers allows us to design the damper to your specifications as required by your systems.
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Round Butterfly Dampers(2000) ANSI Class Wafer
Sizes up to 66″ (Larger and special sizes consult for quote)
Design is to bolt between 125/150# flanges.
Blind end bearing is available as an option.
Standard shaft is… -
Round Butterfly Dampers(2100) Ductwork Drilled – Medium Duty
Body, Disc & Flange: Standard – Carbon Steel, Optional – 304
Drilling: Ductwork
Shaft: Standard – 304 S/S
Bushings: Carbon/Graphite
Packing Follower: Standard – 304 S/S
Stuffing Box Housing:… -
Round Butterfly Dampers(2200) ANSI Fabricated Wafer
Sizes up to 72″ (Larger and special sizes consult for quote)
Maximum Operating Temperatures: Up to 2100°F standard, up to 2600°F are optional
Maximum Static Pressure: 50 PSIG
Blind… -
Round Butterfly Dampers(2300) ANSI Drilled – Heavy Duty
Sizes up to 144″ (Larger and special sizes consult for quote)
Maximum Operating Temperature: Up to 850˚F standard, up to 2600˚F optional
Maximum Static Pressure: 50 PSIG
Flanged design…. -
Round Butterfly Dampers(2400) Ductwork Drilled – Heavy Duty
Sizes to 144″ (Larger and special sizes consult for quote)
Flanges, Body, & Disc: Standard – Carbon Steel, Optional – Corten, Aluminum, Stainless (All 300 Series), Carpenter 20, Titanium… -
Round Butterfly Dampers(2500) ANSI Class “Lugged” Wafer
Sizes up to 72″ (Larger and special sizes consult for quote)
Body & Disc: Standard – Carbon, Optional – Corten, Aluminum, Stainless (All 300 Series), Carpenter 20, Titanium, Tantalum
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Round Butterfly Dampers(2700) Weld-In – Heavy Duty
Sizes up to 144″ (Larger and special sizes consult for quote)
Maximum Operating Temperature: Standard 850˚F, Optional 2600˚F
Maximum Static Pressure: 50 PSIG
Sizes 4″ to 10″ have Sch….
