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Lee manways are available in any grade of stainless steel or other highly corrosion-resistant alloys with Type 316L as standard. High-strength molded plastic wingnuts with stainless steel inserts as standard are used on the manway, which provide for quick access. T-16 Waukesha metal wingnuts are offered as an option. All gaskets are self-retained in the manway dome ring by the use of a specially machined dovetail groove. Standard gasket material is white neoprene, with black neoprene as standard on the atmospheric design. Silicone, viton, and EPDM are also available upon request.
 Lee manways are designed for use in atmospheric conditions as well as completely ASME approved designs up to 95 PSIG and full vacuum. All manways are available with inside and outside finishes of mill, #4, #5, #7 (mirror), and electropolished. They can also be supplied with the exclusive Lee Super 7 finish, which has an average surface roughness of less than 6 Ra. All manways can be installed with any type of stainless steel fittings as well as with pad type or sanitary quick-clamp type sightglasses. Manways of 18" diameter are the most economical and have the fastest delivery date. However, all designs are available up to 30" diameter upon request.
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