Hygienic Round Pressure Manhole Covers are high-strength access ports engineered for vessels operating under significant internal pressure or vacuum. Unlike atmospheric versions, these feature a reinforced frame, a thicker cover plate, and multiple locking star-wheels to ensure an airtight, leak-proof seal. Built from 316L Stainless Steel with an ultra-smooth finish, they support CIP/SIP cycles and are essential for pressure fermenters, reactors, and carbonation tanks.
Technical Attributes: Hygienic Round Pressure Manhole Cover
Pressure Category,High-Pressure Series (PED Class I/II)
Body Material,AISI 316L or 304 Stainless Steel
Pressure Rating,Up to 10.0 Bar (145 PSI) standard
Vacuum Rating,Full Vacuum (−1.0 Bar) capable
Cover Thickness,8mm to 12mm (Reinforced design)
Locking Mechanism,4 to 8 Star-handles / Wing-nuts (depending on size)
Gasket Type,"Profiled ""U"" or ""V"" seal for pressure-tight fit"
Gasket Material,"FDA-compliant EPDM, Silicone, or FKM (Viton)"
Surface Finish (ID),Ra≤0.4−0.6μm (15−25μin)
Hinge Mechanism,Heavy-duty dual-axis hinge with stop-pin
Safety Feature,"Optional ""Safety Bolt"" to prevent opening under pressure"
Standard Compliance,"ASME Section VIII (Design), 3-A, PED 2014/68/EU"
Contact: Jorge Yang
Phone: +86-13588258503
E-mail: sales@fluvalve.com
Whatsapp:+86-13588258503
Add: Room 331, South Building,Building 1, No.3 Jinpeng Street, Sandun Town, Xihu District, Hangzhou City, Zhejiang Province
