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Atmospheric & Pressure Manways

ManwayLee’s Process Systems and Equipment Division manufactures a full line of stainless steel manways. Extremely sanitary finishes are one of Lee’s specialties. High polished surfaces as well a electropolished finishes are a standard part of Lee’s craftsmanship. Lee provides manways for sanitary applications in the food, cosmetic, chemical and pharmaceutical industries.

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  • Construction sanitary stainless steel in any grade or other highly corrosion resistant alloys with type 316L as standard
  • High-strength molded plastic wing nuts with stainless steel inserts are standard and provide quick access
  • T-16 Waukesha metal wing nuts are optional
  • Self-retained gasket design; specially machined dovetail groove
  • Standard gasket material is white neoprene; black neoprene standard on atmospheric design, silcone, viton and EPDM are available upon request
  • Designed for use in atmospheric conditions
  • ASME approved designs up to 95 PSIG and full vacuum
  • Heavy-duty construction
  • Inside and outside finishes of mill, #4, #5, and Lee Super #7 (mirror) and electropolish available
  • Lee Super #7 finish has an average surface roughness of less than 6 Ra.
  • Variety of gasket materials available
  • Modifications available to contain installed fittings for inlets, vents, gauges or sightglasses
  • 18” diameter is the most economical and has the fastest delivery date
  • Designs are available up to 30” diameter upon request

View Manway Diagram