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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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Diverters
(2600) Diverters
Sizes up to 96″ (Larger and special sizes consult for quote)
Flanges, Body & Disc: Standard – Carbon Steel, Optional – Corten, Akuminum, Stainless (All 300 Series), Carpenter 20,… -
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…. -
Square and Rectangular Butterfly Dampers
(3200) Single Blade – Heavy Duty
Flanges, Body, Disc & Blades, both Solid & Airfoil: Standard – Carbon Steel, Optional – Corten, Aluminum, Aluminum Br, Stainless (All 300 Series) Carpenter 20, Titanium, Tantalum
Shaft: Standard… -
Square and Rectangular Butterfly Dampers
(3400) Multi-Louver – Heavy Duty
Flanges, Body, Disc & Blades, both Solid & Airfoil: Standard – Carbon Steel, Optional – Corten, Aluminum, Aluminum Br, Stainless (All 300 Series) Carpenter 20, Titanium, Tantalum
Shaft: Standard… -
Bubble Tight / Zero Leakage Butterfly Valves
(4100) EV-O-Seal
Flanges, Body, Disc: Standard – Carbon Steel, Optional – Corten, Aluminum, Aluminum Br., Stainless (All 300 Series), Carpenter 20, Titanium, Tantalum, and any weldable alloy.
Shaft: Standard – 304… -
Bubble Tight / Zero Leakage Butterfly Valves
(4300) Flate-O-Seal
Flanges, Body, Disc: Standard – Carbon Steel, Optional – Corten, Aluminum, Aluminum Br., Stainless (All 300 Series), Carpenter 20, Titanium, Tantalum, and any weldable alloy.
Shaft: Standard – 304…