HD large bore cylinders combine NFPA dimensional interchangeability and high quality components, offering excellent performance and long service life, even in the most severe conditions.  All cylinders are fitted with a heavy-duty external rod bearing, Teflon®-impregnated and hard coat anodized, ensuring smooth rod motion while maintaining rod rigidity.Bore sizes:  5", 8", 10", 12" (all bore sizes offer an oversized rod option)Maximum Operating Pressure:  250 PSI (5 in bore), 200 PSI (all others)Precision machinedFloating rod bushing design "traps" lubrication in effective bearing areaPrecision machined from high strength 6061-T6 aluminum alloyHD Series offers numerous accessories and design optionsPressure Rating:  200 PSI Air (250 PSI Air for 5" bore)
Temperature Range:
-40° F (-40° C) to 250° F (121° C) standard, up to 400° F (200° C) available
Filtration:  Not essential but a 40µ filter will prolong seal life
Lubrication:  No additional lubrication is required
Materials:
Head/Cap/Retainer:  Precision machined from high strength 6061-T6 aluminum alloy
Tubes:  Precision machined from 6063-T6832 aluminum alloy
Piston Rod:  Polished and hard chrome plated steel
Piston:  Precision machined from 6061-T651 aluminum alloy