GILBARCO VEEDER-ROOT Encore 300 Series, Руководство по установке

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MDE-3985L Encore® Installation Manual · May 2006 Page 79
Reference Information
Figure 4-5: Ultra Hi Shear Valve Installation
Follow shear valve manufacturer’s instructions for installation procedures, testing, and so on.
• Install shear valve on each product inlet pipe.
Note: Encore dispensers require 1-1/2-inch male top shear valves. Gilbarco strongly
recommends using double poppet shear valves that shut off flow from both storage tanks and
internal to the unit. (examples: OPW #10BHMP or Exxon - OPW # 10RMSP) The Encore
Ultra-Hi dispensers use 2-inch male top shear valve. (example: Morrison Bros. 2-inch 636m)
• For Ultra-Hi units install shear valve on each 2-inch inlet and outlet.
• Install a shear valve on master dispenser satellite outlet and at satellite inlet.
• Do not mount the shear valve upside down.
• Be sure that the valve linkage is accessible and has no interference to open or close from
other piping, structure or components.
Note: The dispenser product inlet pipes need to be aligned with the shear valve.
Do not restrict shear valve linkage with pipes, braces, and so on.
• Test shear valve operation.
• Close shear valve until equipment start-up. Cap inlet pipe. This prevents dirt and other
particles from getting in product line. It also prevents fuel spillage.
Figure 4-6: Shear Valve
1-1/2
''
NPT Coupling on unit
Installing contractor supplied
black iron piping to coupling,
including union
Shear valve with shear point
installed flush with grade
±0.75 inch.
2
''
NPT Coupling on Ultra-Hi unit
Shear valve
Shear valve groove location must be
flush to island surface
± 0.25 inch .
Shear groove
Island surface
Product inlet pipe