Download Specifications for Atkinson

Heating Upgrade for Atkinson Hall
Georgia College & State University
Milledgeville, Georgia
B.
Ranges:
1.
Pumps: Where a specific range is not listed below, range selected so that suction
pressure is above lower 20% and discharge pressure is below upper 20% of scale.
Both suction and discharge scale ranges shall match.
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C.
2.2
Condenser Water Pumps: 30 in Hg vacuum to 60psig.
Chiller Water Distribution Pumps: 0 to 100 psi.
Chiller Water Chiller Pumps: 0 to 60 psi.
Hot Water Pumps: 0 to 100 psi.
Chilled Water Pumps: 0 to 100 psi.
Loop Water Pumps: 0 to 100 psi.
Cooling Water Pumps: 30 in Hg vacuum to 60psig.
Bladder Expansion Tank: Range shall be 0 to 60 psig.
Pressure Reducing Valves on Domestic Water and at Make-up Water Station:
Range shall be 0 to 150 psig.
Steam: Range shall be 0 to 100 psig.
Tangential Particle Separator: 0 to 100 psig.
Basket Strainer: Range shall be 30 in Hg vacuum to 2 psig.
Manufacturers: Dial type pressure gauges shall be manufactured by Ashcroft, Trerice,
Weksler, FNW, Weiss, Palmer or Moeller.
PRESSURE SNUBBER
A.
2.3
Brass or stainless steel with threaded 1/4" NPT connection designed to prevent shock to
gauge with porous corrosion resistant metal pressure filler. Provide porous disc for steam
or water service as appropriate. Trerice Model No. 872-1 or 872-4 (air and gases) or
Model No. 872-2 or 872-5 (water and steam), Weis Model PSN, FNW Model PSB,
Ashcroft Model 25, or equal by Palmer or Weksler Model BW-42 or SW-42.
GAUGE COCKS
A.
200 SWP. 400 WOG, threaded ends, threaded bonnet, bronze body, needle point bronze
stem and bronze seat, hand wheel handle, gland packed. Size shall be 1/4".
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Nibco: T-256-AP
Hammond: IB-415
Crane: 88
Milwaukee: 600
Stockham: B-64
Treice: 735-2 (Brass)
Weksler: AV-34
Weiss: 25NVBR
FNW: NVB
METERS AND GAUGES
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