Laserfiche WebLink
~ G. Wedges for Slide Gates <br />1 • Material -Solid cast bronze, ASTM B-584, Alloy 844 <br />i Number - As recommended by manufacturer (minimum of two on each <br />side) <br />Construction -Machined contact surfaces, key to pads to maintain <br />i adjustment <br />Attach - To disc, equip with bronze adjusting bolt and lock nut <br />H. Stem for Slide Gates <br />Type -Rising type <br />Material -Leaded cold rolled steel, ASTM A-108, Type 12L14 <br />i Design -Size to safely withstand, without buckling or permanent dis- <br />tortion, the stresses induced by normal operating forces <br />Size - 2" minimum diameter, cold rolled steel with 4 threads per inch <br />j Design Length - As indicated on the Drawings. This distance excludes <br />stem length required through lift mechanism. <br />Construction -Machine cut threads on threaded portion of stems, steel <br />couplings for bolting and welding joints of stems of more than one <br />section <br />I. Stem Guides for Slide Gates <br />Type - TIA ARMCO, Waterman K-2B, or equal <br />Material -Cast iron, bronze bushed, split case <br />Mounting -Cast iron brackets <br />~_. = Adjustment -Two directions (minimum of 1-1/9 inches lateral adjustment <br />and 4-1/2 inches depth adjustment for stem of 2" diameter <br />~ Spacing - As recommended by manufacturer with following limitations: <br />Stem slenderness ration (L/R) = 200 maximum <br />Maximum spacing = 8 ft. <br />~- J. Operator for Slide Gates <br />Type - 18" diameter, round handwheels as indicated on the Drawings <br />Material -Cast iron with bronze lift nut with machine cut threads and <br />tamperproof limit nut end locking device. ASTM A-126, Class B <br />- and ASTM B-584, Alloy 844. <br />K. Pedestal for Slide Gates <br />L Pedestals shall be installed as shown on the Drawings. Shop Drawings shall <br />be submitted indicating specific models and their installation and computa- <br />bility with the design and function shown on the Drawings. <br />L L. Rising Stem Extension for Slide Gates <br />~ Where no pedestal is shown on the Drawings, cast iron brackets, fastened to <br />L • the top and bottom of standard galvanized steel pipe shall be secured to the <br />frame headrar7 and mounted to the standard handwheel and stem hardware. <br />Shop Drawings shall be submitted for approval. <br />15105-4 <br />