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We fabricate Greaseless Quick Opening Closures with NO lubrication required.

Highlights of our Quick Opening Closures:
• Lock Ring removes easily for complete tooth inspection.
• Standard O-Ring seals pressure or vacuum at up to 350 degrees F.
• Custom Designs for O.E.M.'s available.
• ASME Code, Japan, Canadian Registry and PED Certification.
• Available in standard 24", 30", 36", 48", 52", 60", 72" Diameters
• Carbon Steel and Stainless Steel

24" 304-L Stainless Steel Gear Operated,
O-Ring Type Door


24" 304-L Stainless Steel
Manual, O-Ring Type Door


72" 304-L Stainless Steel
Hydraulic, O-Ring Type Door