132 Commercial Pool Sand Filter Systems
How it Works
Soil is captured in the filter bed itself while solid particles lodge in the extremely small spaces and voids between the sand particles. Gelatinous, mucous-like substances and oils tend to cling to the grains of filter sand. Gravel/stone serves as a barrier which prevents the sand from washing through the underdrain into the pool during the filter cycle and also to distribute the flow of water uniformly to the underside of the sand bed during the backwash cycle.
All Mer-Made filter Systems are certified by NSF international and ANSI/NSF standard 50 for pool and spa applications.
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Filter tanks shall be manufactured from fiberglass using heavy woven cloth as necessary for strength and have a minimum wall thickness of 0.3″. Filter tanks are designed for 50 psi working pressure with a safety factor of 4 to 1. Tanks are factory tested at 75 psi. The underdrain system shall be such that uniform collection of filtered water and distribution of backwash water is provided under the entire bed area. The underdrain pipe is PVC with slotted orifices. The total area of slots in filter is equal to (4) times the area of inlet pipe. The orifices in top laterals are equal to (7) times the area of inlet pipe. Filter tank is provided with 12″ x 16″ fiberglass elliptical manway with gasketed yoke and bolt cover which is sealed by internal pressure. Filter shall be designed for a filter rate of up to 14 GPM per square foot of filter area and a backwash rate of 15 GPM per square foot of filter area.
Standard Features
- 10 sq. ft. to 23.7 sq. ft. of filter area
- (2) tank support saddles
- Manufactured with a minimum wall thickness of 0.3”
- 50 psi working pressure with a safety factor of 4 to 1 and tested to 75 psi
- (1) 12 X 16 gasketed man-way sealed by internal pressure
- 4 to 6” sch 40 PVC slotted under-drain headers
- 4 to 6” sch 80 PVC underdrain header with laterals
- 4 to 6” sch 80 PVC inlet header with diffusers
Optional Features
- Multiple Face piping configurations
- Stacked or side by side configurations
- Custom Configurations
To receive cad drawings, quotes or additional product information please contact us.
Industry leading 15 year warranty
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Sand Filter Model A” Length of Tank Face Piping Diameter Filter Area in
SQ. FT.“B” “C” “D” “E” 132-52 58″ 4″ 10 20″ 22″ 16″ X 132-64 69″ 4″ 12.6 20″ 34″ 15″ X 132-74 82″ 4″ 15.9 20″ 45″ 17″ X 132-94 99″ 4″ 19.3 20″ 62″ 17″ X 132-114 119″ 4″ 23.7 20″ X 17″ 41″ Saddle Footprint=5″ wide x 28″ long
Bags of 100 LB. Filter Media Required Filter Media Model 132-52 Model 132-64 Model 132-74 Model 132-94 Model 132-114 Bottom Layer
1/4″ X 1/2″ Stone1.5 1.75 2 2.5 3.5 Second Layer
1/8″ X 1/4″ Stone1.75 2 3 3.5 4 Third Layer
1.0 – 1.2 MM Sand2.25 3 3.5 4.5 5.25 Top Layer
0.45 – 0.55 MM Sand7.5 9.5 12 14 17.5 Total Bags 13 16.25 20.5 24.5 30.5 -
Image Title File Type File Size Download Date Categories Products 1234_hfilter 
132 Series Filter Overall Dimensions PDF 65 kb Drawings 132 Series drawings 132 SF Operations & Maintance Guide PDF 418Kb Operation & Maintenance Manuals 132 Series, Sand Filter operation-maintenance-manuals Single 132 Filter Dimensions PDF 78 KB Drawings 132 Series, Sand Filter drawings Stacked 132 Filter Dimensions PDF 70 KB Drawings 132 Series, Sand Filter drawings
