Document KN5dBqneYVYDdad9X6R0LvqK

Heating Systems l^ata1 Hoffman Specialty Mfg. Corp. General Office and Factory . . Indianapolis, Ind. Sales Representatives in Principal Cities ENGINEERED VENT VALVES for STEAM and HOT WATER SYSTEMS VALVE CONN. NO. (IN.) RADIATOR--STEAM 1A X Adjustable for pro portional venting; 2A X Vacuum--Adjustable for proportional venting. 70A X Meets Federal Spec. WffV-151 for Type IValve. 1000 X Large Port--Extra large venting capacity. 40 X Single Port---For small one pipe systems. 500 X Disc type--For small one pipe systems. VALVE CONN. NO. (IN.) CONVECTOR--STEAM IB X Adjustable for propor tional venting. Single Port--Vents the X\ X X air, seals against the escape of water and steam in modern con vectors that have high condensating rates. CONN. (IN.) MAIN--STEAM Single Port--For small systems. Single Port--Vacuum-- small systems. 75,75A X 75H 76.76A X Single Port--For medium and large systems. Single Port--Vacuum-- For medium and large systems. VALVE NO. 500 790 791 CONN. (IN.) WATER VENTS X X Disc type--For radiators. Single Port--30 psi-- For convectors. X SinglePort--50 psi--For convectors and mains. 79 % Single Port--75 psi-- fOO For mains. 78 % Single Port--150 psi-- For mains and process applications. SPECIAL VENTS VALVE CONN. UNIT HEATER STEAM NO. (IN.) VENT 74 X, Single Port--Vents with rising, steady, or fall ing pressure. STRAIGHT SHANK 41 43 X VENTS Single Port--For small 45 steam systems. THERMOSTATIC VENT For use where water is not encountered. 428 tv Hoffman Specialty Mfg. Corp. Heating Systems IwwiEEJ LOW, MEDIUM AND HIGH PRESSURE THERMOSTATIC TRAPS Lots Pressure Thermostatic Trap Medium Pressure High Pressure Low pressure traps have brass bodies, caps and union nut and tailpiece. 17C is made in Angle, Swivel and Vertical patterns. 8C is made in Angle and Straightway patterns. 9C is made in Angle pattern only. Thermostat and seat both renewable. No. 17C Capacity 200 sqft EDR 25 lb pressure ki in. connection No. 8CCapacity 400 sq ft EDR 25 lb pressure ^ in. connection No. 9C Capacity 700 sqft EDR 25 lb pressure 1 in. connection Medium Pressure Nos. 8 & 9 and High Pressure Nos. 8H & 9H have all bronze bodies and caps with union nut and tailpiece. Thermostats are 6 diaphragms of special noncorrosive metal. Thermostats and seats are renewable. % in. sizes are furnished in Angle, R.H., L.H. and Straightway patterns, others in Angle only. Medium Press. 50 lb limit. High Press. 125 lb. Traps 8 8 9 % 9 5 15 25 50 Traps 100 180 235 400 8H 125 225 300 490 8H 225 350 450 650 9H 325 600 625 850 9H 100 235 400 550 300 490 650 450 650 875 625 850 1125 F & T TRAPS, DIRT STRAINERS AND SUPPLY VALVES 125 590 720 950 1250 Y-Strainer 50 Series Float and Therm. Traps are available in pressure ranges to 125 lb. Used for venting and draining risers* steam mains, unit heaters, blast coils, etc. 50 Series Traps are made for easy servicing with all working parts mounted on cover. Remove four bolts to expose all parts. Pipe sizes are from ? in. to 2 in. cap. from 70 to 12,000 lb condensate per hour. Radiator Supply Valves are made in sizes from to 2 in. in Angle, R.H., L.H.. and Straightway patterns. Brass bodies, union nut and tailpiece. Nos. 180 and 185 have non-rising handles. Both are packless. No. 186 is especially suited to vacuum systems. Hoffman Y-Strainers are self-cleaning. Available for 125 lb and 250 lb pressures. Semi-steel and Brass bodies. Should be used in line ahead of all traps, valves, and pumps. Available with brass and monel strainers. CONDENSATION AND VACUUM PUMPS Hoffman pumps are available in varying capacities, a-c and d-c current, single, two, or three phase, and in pressures up to 60 lb. Vacuum Pumps Condensation Pump Single and Duplex Single and Duplex Units Capacities Units Capacities from ,500 to 100,000 from 600 to 160,000 sq ft EDR sq ft EDR 429