Atmospheric Circular Manhole NPDD PRODUCT PARMETERS Specifications

• Manhole main part steel 1.4301 /1.4404
• Manhole cover steel 1.4301 /1.4404
• Gasket made of silicone
• Plastic handle
• Opening type
• Matte treatment on both inner and outer
• OD 600mm
• Welded with full welding technology

Alternatives

• Optional 304, 316, 316 L Steel
• Polishing degree selection 0.4pm-0.8pm
• Treatment could also be mirror polishing or sandblast
• Handle material could be Stainless Steel
• Collar thickness can be customized as requested
• Height can be customized
• Gasket material can be an alternative EPDM , FPM
• OD also could be 219/300/350/400/430/450/500