GILBARCO VEEDER-ROOT Encore 300 Series, Руководство по установке

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MDE-3985L Encore® Installation Manual · May 2006 Page 77
Reference Information
Plumbing Requirements
Pipe Installation
Refer to PEI Publication RP100 Recommended Practices For Installation Of Underground
Liquid Storage Systems (Chapter 9) and PEI Publication RP200 Recommended Practices For
Installation Of Aboveground Storage Systems For Motor Vehicle Fueling. Product inlet pipes
and vapor pipes for Gilbarco pumps/dispensers vary in location between models. See model-
specific footprint.
• Check national, state and local regulations for installation of pipe system.
• Use containment system as required by national, state and local regulations.
• Use new black iron pipe constructed of UL approved pipe material and UL approved
fittings.
• Use 1-1/2 inch pipe for riser-to-pump or dispenser.
• Use 2 inch risers on Ultra-Hi units which use a 2 inch shear valve.
Pipe Size
The required pipe size depends on the number of units sharing lines, size of the STPs
(dispensers only), and length of the run. Use the following guidelines.
Pumps (Standard Flow)
Use new 2 inch, 2-1/2 inch or 3 inch pipe. Use 2 inch pipe for runs up to 50 feet to a single
pump. Increase to 2-1/2 inch or 3 inch pipe for longer runs up to 75 feet to a single pump with
maximum lift condition. A dedicated line is recommended to supply each self-contained
pump.
Pumps (High Flow)
Use new 3 inch, 3-1/2 inch or 4 inch pipe. Use 3 inch pipe for runs up to 50 feet to a single
pump. Increase to 3-1/2 inch or 4 inch pipe for longer runs up to 75 feet to a single pump with
maximum lift condition. A dedicated line is recommended to supply each self-contained
pump.
Dispensers (Standard Flow)
Use new 2 inch or 2-1/2 inch or 3 inch pipe. If distance from STP to farthest dispenser is 200
feet or less, use 2 inch pipe. If distance exceeds 200 feet, use 2-1/2 inch or 3 inch pipe to the
first dispenser and 2 inch pipe the rest of the way.
Dispensers (High Flow)
Use new 3inch or 3-1/2 inch or 4 inch pipe. If distance from STP to farthest dispenser is 200
feet or less, use 3 inch pipe. If distance exceeds 200 feet, use 3-1/2 inch or 4 inch pipe to the
first dispenser and 3 inch pipe the rest of the way.
Dispensers (Ultra-Hi High Gallon)
Use new 3 inch or 4 inch pipe. If distance from STP to farthest dispenser is 75 feet or less, use
3 inch pipe. If distance exceeds 75 feet, use 4 inch pipe to the first dispenser and 3 inch pipe
the rest of the way.