Valve CagesWe offer a range of valve cages in various materials and designs to withstand abrasion, corrosion, and high pressure.One-piece cages are available in high-strength alloys for high-pressure pumping conditions, 303/304 stainless steel for corrosive service, and 316 stainless steel to withstand corrosive pitting environmentsBrass and Monel are recommended for more corrosive conditions, with Monel having the strength of carbon steelRubber-lined cages for hard pumping conditionsPrecision insert-guided cages made from tough, corrosion-resistant Stellite† alloys