(2400) Ductwork Drilled – Heavy Duty

Description

The 2400 series consists of a fabricated carbon steel body furnished with flanges drilled for bolting to rolled angle companion flanges or with no drilling for thru bolting between 125 / 150# ANSI flanges (wafer) design, fabricated carbon steel disc, stainless steel stub end shafts, stainless steel lantern gland, lubricated stuffing boxes with alemite purge fittings, and conventional swing through seat design.

  • Sizes to Ø144″ (Larger and special sizes consult for quote)
  • Flanges, Body, & Disc: Standard – Carbon Steel, Optional – A-588, Stainless Steel, Exotic Materials & Refractory Lined Available on Request
  • Shaft: Standard – Stainless Steel, Optional – Various Stainless Steel & Exotic Materials
  • Bushings: Standard – Carbon Graphite (3,000°F), Optional – Bronze, Teflon & Nitronic 60
  • Bearings (Outboard ball): Standard – Ø72″ & above, Optional – Ball & roller (all sizes)
  • Packing Follower: Standard – Stainless Steel, Optional – Same alloys as body
  • Lantern Gland: Standard – Carbon, Optional – Same alloys as body
  • Seat: Standard – Swing through, Optional – Scissor, Metal & Tadpole
  • Maximum Operating Temperature: Standard 750°F, Optional 2,300°F
  • Maximum Static Pressure: Standard 25 PSIG, Optional 50 PSIG
  • Maximum Shut-Off Pressure Drop: Standard 1 PSI, Optional 10 PSI
  • Designed for bolting to duct work flanges

Ø1537mm 2423-7-8-9 Damper Example

2400 Series News

2400 Ductwork Drilled – Heavy Duty

ConventionalScissor SeatMetal SeatTadpole Seat
Swing-thru design, *4-5% leakageSwing-thru design, approx. *1-2% leakageMaterials same as body - approx. *1% leakageMaterial furnished varies with service. Temp. to 2,300˚F, approx. *1/4 of 1% leakage
Valve Conventional SeatValve Scissor SeatValve Metal SeatValve Tadpole Seat

*Leakage based on damper capacity