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Model 72	Model 72H	Model 72F	Model 72FH
Cast Iron Strainer with Threaded Port	Cast Iron Strainer with Flanged Ports	Cast Iron Strainer with Flanged Ports	Cast Iron Strainer with Flanged Ports
Model 72S	Model 72HS	Model 72FS	Model 72FHS
Model 72S Series - Cast Steel or Stainless Steel - NPT	Model 72HS Series - Cast Steel or Stainless Steel - NPT	Cast Steel or Stainless Steel Strainer with Flanged Ports	Cast Bronze or Aluminum Strainer with

DUPLEX (TWIN) STRAINERS AND FILTERS

• Designed for minimum pressure loss and easy basket accessibility
• Cast alloy construction provides both durability and economy
• Duplex models include a tapered plug valve with metal-to-metal seat for long life in rough service
• Simple one-stroke valve operation allows for continuous flow transfer from one side to the other without interruptions
• Duplex types range from 3/4 to 8 inches in pipe size, and simplex up to 12 inches. Cast iron, cast steel, stainless steel and bronze models are stocked in many sizes
• Special units can also be manufactured in other alloys
• Threaded N.P.T. and A.N.S.I. flanged port units are standard
• Butt-weld and socket weld ports are also available
• Models for fuel oil and flammable fluid service bear the Underwriters Laboratories (U.L.) label
• Kraissl strainers are manufactured in accordance with international standard ASTM F1199
• Units can also be furnished to meet Military, Coast Guard, and other specifications where required
• Special ports for strainer back-wash and control sensor installations can be provided
• Automatic duplex valve actuators and controls are also available