Document gD7paypQYowEMdR2R7jmmX8KL

Controls and Instruments Field Control Division of H. D. Conkey & Company, Mendota, HI. Manufacturers of FIELD DRAFT CONTROLS FIELD BAROMETRIC DRAFT CONTROLS FIELD TYPE M: For oil-fired automatic heating plants, assuring finer perform ance, greater fuel economy through elim ination of excess drafts. Sizes 6 in. through 32 in., for pipe diameters of 5 in. through 33 in. A precision instrument proved superior by more than 15,000,000 installations. FIELD TYPE MG: For commercial and industrial gas-fired heating plants, FIELD TYPE RC: For oil-fired auto approved by leading gas companies matic heating plants, providing precise nationally. Gate opens inward to regu control of drafts for fuel economy* late up-drafts, opens outward to relieve Features patented "Air Flow" gate, with down drafts. Where codes require it, an optional safety switch is available to close main gas valve in case of prolonged down draft. Sizes 8 in., 10 in., 12 in., 16 in., 20 in., 24 in., 28 in. and 32 in. calibrations which permit acceptable accurate settings without the use of instruments. Like the Field M, it is round, permitting horizontal, vertical or sloping installations. Sizes 7 in- aD(* Highly sensitive, fully safe, fully proven. 9 in. for 6 in. through 10 in. pipes. 1466 Controls and Instruments m Henry Yalve Company MELROSE PARK, ILLINOIS (A Chicago Suburb) HENRY PRODUCTS FOR REFRIGERATION, AIR CONDITIONING. AND IN DUSTRIAL APPLICATIONS: CONTROL DEVICES, VALVES. STRAINERS DRIERS. FITTINGS. AND ACCESSORIES. Balanced-Action Diaphragm Packless Valves STANDARD TYPE Two-way, branch shut off, and angle types--flare or solder connections. Hand expansion, purge and charging types also available. Forged brass body and bonnet, ports-in-line, non-directional. Back seat and ball check permit diaphragm inspection and replace ment under pressure. Stock sizes thru %n flare; }4" thru \%n O.D. solder; thru F.P.T. BLUE BANTAM TYPE--Two-way line shut off valves, flare or solder connec tions. Contain same.field proven features as STANDARD line except that dia phragms cannot be inspected or replaced while valves are under pressure. Stock sizes Y thru flare and solder. pacity--Brass construction. Approved under safety codes. Sizes and larger ASME approved. FERROUS TYPE--For ammonia. Ap proved under safety codes. DRIERS Filled with PA 400 silica gel--other de hydrants on special order. TYPE 70S--Brass shell, forged brass end caps with integral fittiDgs--silver brazed joints. Dehydrant capacity 10 to 32 cu in. Sizes, J4" thru flare. TYPES 77, 78 and 79 cartridge driers with side outlet, safety disc, cartridge retaining spring and distortion-proof access flange. Dehydrant capacity 12 to 500 cu in. Sizes thru 2%" O.D. solder. Can be converted to strainer by use of strainer screen cartridges. STRAINERS WING CAP PACKED VALVES Bronze with solder connections in globe and angle types, thru O.D.; semi- steel with F.P.T. connections in globe and angle types, sizes thru 2"; semi steel with bolted bonnets and square companion flanges with brass tailpieces r O.D.S., thru 5^". Flanged J^alves also available with steel tailpieces tor welding to pipe 1J4* to 5" I.P.S. TYPES 891 and 892. Brass shell, forged brass end caps. Screen area 11 and 25.5 sq in respectively. Sizes J4" thru %" flare and %" thru Ifi" O.D. solder. RELIEF VALVES Straight-Through Type and Ferrous Type STRAIGHT-THRU TYPE--Large ca TYPE 895 Brass plated steel "Y" strainer, welded construction, forged brass end caps. Distortion-proof access flange. Screen area 23 to 150 sq in. Sizes thru 4J4" O.D. solder. Slocked by leading wholesalers. Write for Catalogs. 1467