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e <br /> Square Manholes—FIG 424 and 524 Series <br /> Square box to provide access to equipment etc. on driveway surface. <br /> The Fig 424 is a knock-down style for service stations.Fig.524 is a <br /> remediation type manhole used for site clean-up.Bolt down, gasketed <br /> cover with 24"deep skirt.Pre-assembled,all welded construction. <br /> Vents <br /> Updraft Vent—FIG 354 <br /> "Open"vent used on underground and aboveground tanks for motor fueling.Vent allows tank to "breathe" <br /> during filling/dispensing operations. Some sizes are CARD approved. <br /> Pressure/Vacuum Vent—FIG 749 Series - <br /> Vent valve used on underground and low volume aboveground tanks for motor fueling.Vent allows tank <br /> to"breathe"during filling and dispensing operations.Poppets seal vapors in the tank when pressure is <br /> equalized.The Fig 749CRB style is CARB approved for Stage I and II.Available with NPT threads or <br /> slip-on style. <br /> Drop Tubes and Fill Connectors <br /> Caps and Adaptors (Top Seal)—FIG 305/�,�30 fries_ - <br /> Used for fill ports and access to leak detection on fuel storaage tanks. <br /> Adapter is profilemachined for cam and groove fit on industry standard <br /> tight seal caps.Cap has center pull ring with toggle cam to fit adaptor <br /> groove.Tight sea and lockable.Powder-coat finish. <br /> Caps and Adaptors (Side Seal)—FIG 405/405C and 605 <br /> Series <br /> Used for fill ports and access to leak detection on fuel storage tanks. <br /> Adapter is profile machined for cam and groove fit on industry standards` sea <br /> tight seal caps.Cap has center pull ring with toggle cam to fit adaptor <br /> groove.Tight sea and lockable.Powder-coat finish.The Fig 605 is a <br /> coaxial adaptor which fits a regular top seal cap and coaxial drop tube. <br /> Drop Tubes—FIG 419 Series <br /> Directs product flow to liquid level when filling a storage tank Standard <br /> industry practice.Prevents free fall and agitation of liquid when filling. <br /> Flange fits inside groove of tight fill adaptor and tube extends down to '. <br /> near bottom of tank <br /> http://Www.morbros.com/Service–Station.htn 10/24/2003 <br />