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WK Model WTH-R

Raised Watertight Hatch

Round, square, rectangular, hatch within a hatch – anything is possible for our engineers!   When the location does not require a flush hatch, raised hatches are often used as they are easier to  install and are often more cost effective. Operation can be from one or both sides utilizing rotating dogs, or from the top only when drop-bolts are used.  Options include spring balancing, power operation, hold open braces, and panic bar operation.
Hatch 4339 Test        IMG00147-20110620-1412        014

Product Details      

 Features  Design Details
 Size  Built to your requirements – no practical size limit
 Design Pressure  Unlimited
 Gasket Material  Neoprene, Viton, EPDM, silicone, nitrile & others
 Panel & Frame  Material  Mild steel, stainless steel, aluminum, various high strength steels
 Type of Frame  Bolt-on, weld-on, masonry subframe
 Bottom sill  Raised
 Operating Mechanism  Rotating dogs, drop-bolts, panic bar
 Options  Lifting lugs, mechanical assist (coil or gas springs, counterweights), power assist via hydraulic or pneumatic  systems

Technical Downloads