| | |  KRAISSL SIMPLEX STRAINERS AND FILTERS MODEL 72 & 72H SERIES PRESSURE RANGE 200 TO 600 PSIG PURPOSE Kraissl pipeline strainers and filters protect pumps, nozzles, valves, heat exchangers and other expensive pipeline equipment from harmful flow contamination by catching dirt and debris. APPLICATION Kraissl Model 72 Series simplex strainers and filters provide a simple cost-effective way to separate particle impurities from fluid flow systems. Simplex models described in this bulletin are designed for applications where temporary interruption of a batch process can be permitted for basket cleaning. Where continuous, uninterrupted flow is required, our duplex strainers and filters described in other bulletins should be used. Kraissl strainers are listed by Underwriter's Laboratories, no. (U.L.) for fuel and flammable liquid service through size 4 inch, and are individually tested to U.L. quality control specifications. These cast pipeline strainers are designed and manufactured according to international standard A.S.T.M. F-1199 for use in marine and industrial applications. DESIGN SPECIFICATIONS Kraissl Model 72 series simplex strainers are supplied with quick-opening hand-clamp closure for pressure up to 200 psig in sizes up to six inch inclusive. Yoke closures permit easy access without use of tools. The basket is held on its seat by the cover against a spring basket handle. For higher pressure and larger sizes, our Model 72H series with stud and nut closures are available. Strainer baskets are fabricated from perforated metal. The smallest common perforation size is 1/64 inch in brass and 1/32 inch in stainiess steel or monel. Filter baskets are manufactured with fine mesh wire cloth over supporting perforated metal. Optional patented double element baskets provide greatly increased separating area in the same space, and are easily disassembled for cleaning. Interchangeable strainer, filter and double element baskets provide a wide range of operating choices. Baskets are also available with magnet inserts to help eliminate fine metallic ferrous particles. Internal channels in the Model 72 and 72H Series are 100% full flow. having the same cross sectional area as the equivalent pipe size to avoid flow restriction. Normal flow is through the interior of the basket which contains the collected debris when lifted out for cleaning. Where reverse flow is desired, the fluid travels from the outside to the inside of the basket, and debris collects on the basket exterior. Both threaded-NPT port and A.N.S.I. flanged port connections are available, as well as metric flanges and other special ports. Drain plugs are furnished on all sizes. Backwash and gage taps can be installed. Weld-end ports and steam-jacketed steel models can also be provided. | SIZES AND DIMENSIONS | MODEL 72 - STANDARD PRESSURE SERIES YOKE CLOSURE |  | | Model 72 - Threaded - NPT Ports - 200 PSIG Max. Pressure | CAST IRON | CAST STEEL | STAINLESS STEEL | BRONZE | PIPE SIZE | A | B | C | D | NET WT LBS | | 72-1 | 72-1S | 72-1SS | 72-2 | 3/8 | 7 3/16 | 4 9/16 | 3 13/16 | 3 1/2 | 4 | | 72-3 | 72-3S | 72-3SS | 72-4 | 1/2 | 7 3/16 | 4 9/16 | 3 13/16 | 3 1/2 | 4 | | 72-5 | 72-5S | 72-5SS | 72-6 | 3/4 | 9 5/8 | 5 11/16 | 5 3/8 | 5 | 8 | | 72-7 | 72-7S | 72-7SS | 72-8 | 1 | 9 5/8 | 5 11/16 | 5 3/8 | 5 | 8 | | 72-9 | 72-9S | 72-9SS | 72-10 | 1 1/4 | 10 1/2 | 5 15/16 | 7 | 5 7/8 | 15 | | 72-11 | 72-11S | 72-11SS | 72-12 | 1 1/2 | 12 | 7 7/16 | 7 | 5 7/8 | 16 | | 72-13 | 72-13S | 72-13SS | 72-14 | 2 | 13 3/4 | 7 13/16 | 9 | 8 5/8 | 34 | | 72-15 | -- | -- | 72-16 | 2 1/2 | 15 9/16 | 9 5/8 | 11 1/4 | 9 5/8 | 51 | | 72-15L | 72-15LS | 72-15LSS | 72-16L | 2 1/2 | 16 | 10 5/16 | 9 1/4 | 8 5/8 | 42 | | 72-17L | 72-17LS | 72-17LSS | 72-18L | 3 | 17 9/16 | 11 1/2 | 11 1/4 | 8 5/8 | 50 | | Model 72 - Flanged Ports - 200 PSIG Max. Pressure | CAST IRON | CAST STEEL | STAINLESS STEEL | BRONZE | PIPE SIZE | A | B | C | D | NET WT LBS | | 72-7F | 72-7FS | 72-7FSS | 72-8F | 1 | 9 5/8 | 5 11/16 | 7 1/4 | 5 | 11 | | 72-11F | 72-11FS | 72-11FSS | 72-12F | 1 1/2 | 12 | 7 7/16 | 8 3/8 | 5 7/8 | 21 | | 72-13F | 72-13FS | 72-13FSS | 72-14F | 2 | 13 3/4 | 7 13/16 | 10 1/8 | 8 5/8 | 39 | | 72-15FL | 72-15FLS | 72-15FLSS | 72-16L | 2 1/2 | 16 | 10 5/16 | 11 | 8 5/8 | 57 | | 72-15F | -- | -- | -- | 2 1/2 | 15 9/16 | 9 5/8 | 13 | 9 5/8 | 66 | | 72-17FL | 72-17FLS | 72-17FLSS | 72-18FL | 3 | 17 9/16 | 11 1/2 | 12 5/8 | 8 5/8 | 67 | | 72-17F | -- | -- | -- | 3 | 16 1/4 | 10 1/8 | 17 3/4 | 9 5/8 | 81 | | 72-21F | 72-21FS | 72-21FSS | 72-22F | 4 | 21 3/8 | 14 7/8 | 17 3/4 | 9 5/8 | 115 | | 72-23F | 72-23FS | 72-23FSS | 72-24F | 5 | 22 | 13 1/4 | 18 3/4 | 10 7/8 | 172 | | 72-25F | 72-25FS | 72-25FSS | 72-26F | 6 | 26 | 16 1/2 | 19 1/2 | 11 | 220 | | 72-27FH | 72-27FHS | 72-27FHSS | 72-28FH | 8 | 34 | 21 | 25 3/8 | 14 1/2 | 615 | | MODEL 72H - HIGH PRESSURE SERIES STUD AND NUT CLOSURE |  | | Model 72H - Cast Iron - 400 PSIG Max. Pressure | CAST IRON | PIPE SIZE | PORT | A | B | C | D | NET WT LBS | | 72-1H | 3/8 | THREADED - NPT | 5 7/8 | 4 9/16 | 3 13/16 | 3 3/4 | 4 | | 72-3H | 1/2 | THREADED - NPT | 5 7/8 | 4 9/16 | 3 13/16 | 3 3/4 | 4 | | 72-5H | 3/4 | THREADED - NPT | 17 15/16 | 5 13/16 | 5 3/8 | 4 13/16 | 13 | | 72-7H | 1 | THREADED - NPT | 17 15/16 | 5 13/16 | 5 3/8 | 4 13/16 | 13 | | 72-9H | 1 1/4 | THREADED - NPT | 9 13/16 | 7 9/16 | 7 | 5 3/8 | 16 | | 72-11H | 1 1/2 | THREADED - NPT | 9 13/16 | 7 9/16 | 7 | 5 3/8 | 16 | | 72-13H | 2 | THREADED - NPT | 11 1/8 | 7 15/16 | 9 | 6 13/16 | 34 | | 72-15H | 2 1/2 | THREADED - NPT | 12 15/16 | 9 3/4 | 11 1/4 | 9 | 51 | | 72-15FH | 3 | CLASS 250 FLANGED | 14 1/4 | 10 1/8 | 17 3/4 | 9 | 94 | | 72-21 | 4 | CLASS 250 FLANGED | 19 7/8 | 14 7/8 | 17 3/4 | 9 | 134 | | Model 72HS - Cast Steel - 720 PSIG Max. Pressure | | 72-1HS | 3/8 | THREADED-NPT | 5 7/8 | 4 9/16 | 3 13/16 | 3 3/4 | 4 | | 72-3HS | 1/2 | THREADED-NPT | 5 7/8 | 4 9/16 | 3 13/16 | 3 3/4 | 4 | | 72-5HS | 3/4 | THREADED-NPT | 7 15/16 | 5 13/16 | 5 3/8 | 4 13/16 | 14 | | 72-7HS | 1 | THREADED-NPT | 7 15/16 | 5 13/16 | 5 3/8 | 4 13/16 | 14 | | 72-9HS | 1 1/4 | THREADED-NPT | 9 13/16 | 7 916 | 7 | 5 3/8 | 18 | | 72-11HS | 1 1/2 | THREADED-NPT | 9 13/16 | 7 9/16 | 7 | 5 3/8 | 18 | | 72-13HS | 2 | THREADED-NPT | 11 1/8 | 7 15/16 | 9 | 6 13/16 | 34 | | 72-13FHS | 2 | CLASS 300 FLANGED | 11 1/8 | 7 15/16 | 10 3/4 | 6 13/16 | 43 | | 72-15HS | 2 1/2 | THREADED - NPT | 12 15/16 | 9 3/4 | 11 1/4 | 9 | 51 | | 72-15FHS | 2 1/2 | CLASS 300 FLANGED | 13 1/2 | 9 3/4 | 11 1/4 | 9 | 73 | | 72-17FHS | 3 | CLASS 300 FLANGED | 14 1/4 | 10 1/8 | 17 3/4 | 9 | 104 | | 72-21FHS | 4 | CLASS 300 FLANGED | 19 7/8 | 14 7/8 | 17 3/4 | 9 | 148 | | ALL DIMENSIONS IN INCHES, SUBJECT TO CASTING AND PRODUCTION VARIATIONS | SINGLE ELEMENT BASKETS The open area ratios of two common perforated metal sizes are given in this table. Strainer baskets are available in many other standard perforations and meshes. Basket materials include brass, stainless steel, carbon steel, monel, and other special alloys. | BASKET CAT.NO. | PIPE SIZE | INTERNAL PIPE AREA SQ.IN. | BASKET O.D. | BASKET LENGTH | TOTAL SCREEN AREA SQ.IN. | OPEN SCREEN AREA | STRAINING RATIO | | 1/16* | 1/32** | 1/16* | 1/32** | | 72-1 & 2 | 3/8 | .191 | 1 1/2 | 2 7/8 | 15.3 | 6.1 | 4.3 | 31.9:1 | 22.5:1 | | 72-3 & 4 | 1/2 | .304 | 1.1/2 | 2.7/8 | 15.3 | 6.1 | 4.3 | 20.1:1 | 14.1:1 | | 72-5 & 6 | 3/4 | .533 | 1 15/16 | 3 15/16 | 26.6 | 10.8 | 7.5 | 20.3:1 | 14.1:1 | | 72-7 & 8 | 1 | .864 | 1 15/16 | 3 15/16 | 26.9 | 10.8 | 7.5 | 12.5:1 | 8.7:1 | | 72-9 & 10 | 1 ¼ | 1.495 | 2 9/16 | 3 ¾ | 35.3 | 14.1 | 9.9 | 9.4:7 | 6.6:1 | | 72-11 & 12 | 1 ½ | 2.036 | 2 9/16 | 5 | 45.4 | 18.2 | 12.7 | 8.9:1 | 6.2:1 | | 72-13 & 14 | 2 | 3.355 | 3 ½ | 5 1/8 | 66.0 | 26.4 | 18.5 | 7.9:1 | 5.5:1 | | 72-15 | 2 ½ | 4.788 | 4 1/8 | 6 ¼ | 94.4 | 37.8 | 26.4 | 7.9:1 | 5.5:1 | | 72-15L,FL,16L,FL | 2 ½ | 4.788 | 3 ½ | 7 | 86.6 | 34.6 | 24.2 | 7.2:1 | 5.1:1 | | 72-17F | 3 | 7.393 | 4 1/8 | 6 ¾ | 101 | 40.4 | 28.3 | 5.5:1 | 3.8:1 | | 72-17L,FL,18L,FL | 3 | 7.393 | 3 ½ | 8 ½ | 103 | 41.2 | 28.8 | 5.6:1 | 3.9:1 | | 72-21F & 22F | 4 | 12.73 | 4 1/8 | 10 ½ | 149 | 56.9 | 41.7 | 4.7:1 | 3.3:1 | | 72-23 & 24F | 5 | 20.01 | 6 7/8 | 9 ¼ | 237 | 94.8 | 66.4 | 4.7:1 | 3.3:1 | | 72-25F & 26F | 6 | 28.89 | 6 7/8 | 12 | 296 | 118 | 82.9 | 4.4:1 | 2.9:1 | | 72-27F & 28F | 8 | 50.03 | 9 | 16 | 516 | 206 | 144 | 4.1:1 | 2.9:1 | | ALL DIMENSIONS IN INCHES, APPROXIMATE | | * Perforated - Based on 40% open area ** Perforated - Based on 28% open area | | DOUBLE ELEMENT BASKETS |  These strainers can be supplied with our patented Double Element Baskets which are easily disassembled for cleaning and provide greater straining areas in the same housing. Double Element Baskets are listed by Underwriters Laboratories, Inc. for a variety of sizes. | BASKET CAT.NO. | PIPE SIZE | INTERNAL PIPE AREA SQ.IN. | BASKET O.D. | BASKET LENGTH | TOTAL SCREEN AREA SQ.IN. | OPEN SCREEN AREA | STRAINING RATIO | | 1/16* | 1/32** | 1/16* | 1/32** | | 72-7/1 | 1 | .864 | 1 15/16 | 3 15/16 | 38.3 | 15.3 | 10.7 | 17.7:1 | 12.4:1 | | 72-9/7 | 1 ¼ | 1.495 | 2 9/16 | 3 ¾ | 50.5 | 20.2 | 14.1 | 13.5:1 | 9.4:1 | | 72-1 1/7 | 1 ½ | 2.036 | 2 9/16 | 5 | 69.0 | 27.6 | 19.3 | 13.6:1 | 9.5:1 | | 72-13/7 | 2 | 3.355 | 3 ½ | 5 1/8 | 84.9 | 34.0 | 23.8 | 10.1:1 | 7.1:1 | | 72-15L7 | 2 ½ | 4.788 | 3 ½ | 7 | 115 | 46.0 | 32.2 | 9.6:1 | 6.7:1 | | 72-15/7 | 2 ½ | 4.788 | 4 1/8 | 6 ¼ | 121 | 48.4 | 33.9 | 10.1:1 | 7.1:1 | | 72-17L/7 | 3 | 7.393 | 3 ½ | 8 ½ | 140 | 56.0 | 39.2 | 7.6:1 | 5.3:3 | | 72-17 F11 | 3 | 7.393 | 4 1/8 | 6 ¾ | 141 | 56.4 | 39.5 | 7.6:1 | 5.3:3 | | 72-21/11 | 4 | 12.73 | 4 1/8 | 10 ½ | 220 | 88.0 | 61.6 | 6.9:1 | 4.8:1 | | 72-23/15 | 5 | 20.01 | 6 15/16 | 9 1/8 | 300 | 120 | 84.0 | 6.0:1 | 4.2:1 | | 72-25/15 | 6 | 28.89 | 6 15/16 | 11 ½ | 386 | 154 | 108 | 5.3:1 | 3.7:1 | | 72-53/15 | 8 | 50.03 | 9 | 16 | 649 | 260 | 182 | 5.2:1 | 3.6:1 | | ALL DIMENSIONS IN INCHES, APPROXIMATE | | * Perforated - Based on 40% open area ** Perforated - Based on 28% open area | |