b'AIR VENTS AND MUFFLERSBREATHER VENTSEXHAUST MUFFLERSLow profile breather vents used on single acting cylinders or valves with, Pipe thread or O-Ring Boss thread, to prevent dirt and foreignExhaust mufflers utilize porous sintered bronze filter element securedparticles from entering ports open to the atmosphere. Also used forto nickel plated pipe fittings. Used to diffuse air and muffle noisevacuum relief in pressure equalization of gear boxes, crank cases,from the exhaust ports of air valves, air cylinders and air tools to anstorage tanks or reservoirs. acceptable level within OSHA noise requirement. Also used as filtersPART No. Pipe for gasoline, oil and air exhaust and intake.BBV-A 1/8 PART No. PipeBBV-B 1/4 BEM-A 1/8BBV-C 3/8 BEM-B 1/4BBV-D 1/2 BEM-C 3/8Male Pipe Thread BEM-D 1/2Maximum Operating Pressure: 300 P.S.I. BEM-E 3/4Operating Temperature: +2C to +149C (+35F to +300F) Male Pipe ThreadSintered Bronze (40 micron) Maximum Operating Pressure: 300 P.S.I.Operating Temperature: +2C to +149C (+35F to +300F)Sintered bronze (40 micron)Available in unplated brass on request (suffix part no. with -BRASS)Available in stainless steel on request (change prefix from BEM to BSSEM)PART No. ORBBBV-ORB-6 9/16 - 18 &S E V L FF O - U K OBBV-ORB-8 3/4 - 16 S C CO-Ring Boss Thread Adjusting Screw T H SMaximum Operating Pressure: 300 P.S.I. A VOperating Temperature: +2C to +149C (+35F to +300F)Sintered Bronze (40 micron)Speed control mufflers provide an infinite variation of control of air BRASS AIR VENTSflow at an acceptable sound level on exhaust ports of air valves with complete safety. The speed of an operating cylinder or air tool maybe increased or decreased by adjusting the screw. Final position is then locked in place by the lock nut. Objectionable exhaust air noise is eliminated by the surrounding sleeve of sintered bronze.Brass Air Vent PART No. PipeBSCM-A 1/8BSCM-B 1/4Set screw has 10/32 national fine thread. BSCM-C 3/8PART No. Pipe BSCM-D 1/2WH-705 1/8 Male PipeMaximum Operating Pressure: 300 P.S.I.Maximum Operating Pressure: 150 P.S.I. Operating Temperature: +2C to +149C (+35F to +300F)Operating Temperature: +2C to +149C (+35F to +300F) Sintered bronze (40 micron)129'