Culligan Model 900 - Manual (Page 10)

Culligan Hi-Flo ® 52 Softener Engineer’s Specification Page 2
3.2 DESIGN PARAMETERS
Normal System Flow & Pressure Drop:
gpm @ 15 PSI
Maximum System Flow & Pressure Drop: gpm @ 25 PSI
Backwash/Rinse Flow:
gpm
Backwash Volume: gallons nominal
Daily Water Usage: gallons per day (gpd)
Daily Hours of Water Demand:
Operating Temperature Range: 40 ° –120 ° F
Operating Pressure Range (System): 30–100 PSI
Electrical Requirements: 120 Volt, 60 Hz, 1 phase (receptacle required)
System Dimension (L x W x H): ”L x ”W x ”H
¨ (ASTM soap test method)
3.3 EFFLUENT WATER QUALITY ZERO GPG HARDNESS
¨ (Hardness EDTA test method)
3.3 EFFLUENT WATER QUALITY MG/L HARDNESS
4.0 EQUIPMENT SPECIFICATIONS
4.1 SOFTENER TANK(S)
Each system shall include _____ tank(s). Each softener tank shall be _____ inches in diameter. The sideshell
height shall be _____ inches, sufficient to allow for proper freeboard space above the resin bed for adequate
expansion of the resin during backwashing.
4.1.0 Tank Construction
¨ (Standard vessel)
Tank(s) shall be electrical welded pressure vessel quality low carbon steel construction rated for 100 psig
working pressure.
¨ (ASME vessel)
Tank(s) shall be electrical welded pressure vessel quality low carbon steel construction rated for 125 psig
working pressure and hydrostatically tested at 50% in excess of the working pressure. Tank construction shall
conform to the latest edition of Section VIII for ASME Code pressure vessels and shall be so stamped and
certified.
¨ (Fiberglass vessel)
Tank(s) shall be manufactured of polyester reinforced by a continuous roving glass filament overwrap. The top
opening will be 4”-8 UN threaded and the tank bottom will be supported on a molded structural base.
4.1.1 Access Openings
¨ (Steel and ASME vessel)
Each tank will be equipped with openings for mineral filling and periodic inspection.
4.1.2 Tank Supports
¨ (Steel and ASME vessel)
Tank supports shall be structural steel legs that permit skid mounting and comply with Seismic Zone 4 loading
requirements, UBC importance factor 1.0.
¨ (Steel vessel)
4.1.3 Tank Finish – Exterior
Tank finish on the exterior shall be a high solids polyurethane monochromatic gloss enamel applied to a 1.25 to
1.50 mils DFT over a 1.00 to 1.25 mil DFT prime coat.
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