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Silencer and Flow Control Catalog 3501E Metric Silencer and Flow Control Valves Prestosil - Silencer and flow control valve Male pipe thread Principle Prestosil silencers are designed for mounting Pre- expansion chamber into the exhaust valve of single acting with exhaust slots cylinders or on the directional control valve. Operation Noise reduction The escaping air is pre-expanded in the chamber of the silencer. It then flows through C a sintered bronze cartridge whose design Bronze cartridge gra provides a complete expansion of the exhaust air. tt i n Lock nut Flow control The adjusting screw of the uni- direction flow Precision control valve allows fine adjustment of the adjusting screw restriction and thus precise control of the piston-rod speed.The setting is secured by Intef a lock nut. i te gd Technical features BODY NEEDLE VALVE LOCKNUT SILENCER WORKING WORKING BOLT MATERIAL MATERIAL MATERIAL MATERIAL THREAD TEMPERATURE PRESSURE Aluminum Bronze Aluminum Aluminum 1/8 BSPP From 0� to 140 PSI 1/4 BSPP +200� F 3/8 BSPP 1/2 BSPP Noise reduction characteristics WORKING PRESSURE At an average working pressure of 75 PSI the PART NO. noise reduction achieved with the appropriate 15 PSI 30 PSI 45 PSI 60 PSI 75 PSI 90 PSI 105 PSI Prestosil model ranges from 22 to 37 dB. PRS 4-1/8 6 15 20 21 22 24 24 PRS 4-1/4 11 22 27 29 32 32 32 PRS 4-3/8 19 27 33 35 37 39 40 PRS 4-1/2 19 27 33 35 37 39 40 PRS Silencer and Flow Control Valve PART L L L NO. B C MIN. MAX. O PRS4-1/8 1/8 11 43 48 14 PRS4-1/4 1/4 14 60 68 17 PRS4-3/8 3/8 19 80 88 26 PRS4-1/2 1/2 22 83 91 26 O B C Only items priced in current price list are carried in stock. Dimensions shown may be changed at any time without prior notice. Parker Hannifin Corporation C30 Parker Brass Products Division Otsego, Michigan Silencer and Flow Control
Goodyear Rubber Products
