Civacon Petroleum Manhole Covers provide security, access, and safety for real-world use. Exceeding industry standards, they incorporate the NV4000 Pressure Vacuum Vent. Civacon's Petroleum Manhole Covers are the ideal choice for all petroleum cargo tank applications. Suitable for both new construction and as replacements for DOT406 and older MC306 cargo tanks, they meet HM183 replacement and 178.345-5 venting requirements. Precision-designed and constructed, they limit leakage in a rollover situation to less than one liter, as required by standards. Each manhole features a versatile 10” aluminum vent, which opens at less than 3.63 PSI and can be disassembled for field repair if necessary. Features Includes one pressure/vacuum vent Emergency Vent is 363,500 SCFH at 6.25 PSI Manholes retrofit to existing weld rings Reversible PAF opening (hinge) direction Includes mounting holes for vapor vents, overfill detection sensors and 1/4 in. NPT coupler
Civacon Civacon 3" 1986SV Vapor Valve for 16" Manholes MSRP: Was: Now: (Inc. Tax) MSRP: Was: Now: $367.04 Ready to Ship Quick view Add to Cart The item has been added
Civacon Civacon ALVN601110 16 in. Aluminum Offset Manhole Assembly with NV3000 Normal Vent, No Weld Ring MSRP: Was: Now: (Inc. Tax) MSRP: Was: Now: $553.33 Quick view Add to Cart The item has been added
OPW OPW Civacon 1837 Cam Latch Assembly MSRP: Was: Now: (Inc. Tax) MSRP: Was: Now: $57.37 Ready to Ship Quick view Add to Cart The item has been added
Civacon Civacon 1-3 Port Complete Aerator Assemblies MSRP: Was: Now: $76.33 - $89.85 Quick view Choose Options
Civacon Civacon Thermistor Contact Assembly for Scully® Compatible Plugs MSRP: Was: Now: (Inc. Tax) MSRP: Was: Now: $216.68 Quick view Add to Cart The item has been added