^® Fine bubble EPDM membrane disc diffuser Disc-245 / Disc-330

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SPECIFICATIONS

MODEL	DISC-245	DISC-330
MATERIAL OF MEMBRANE	EPDM	EPDM
DISC BASE	ABS	ABS
DIA. OF DISC(MM)	245 (10”)	330 (12”)
AIR FLOW(NM3/H)	1.0-7.2	1.0-12.0
BUBBLE SIZE(MM)	1-3	1-3
FLOOR COVERAGE(%)	2-25	2-25
WEIGHT(kg)	0.60	0.85
OPERATING TEMP (C⁰)	85	85
END CONNECTION (M)NPT / BSP	20 (3/4")	20 (3/4”)
PERFORATED AREA (M²)(ACTIVE SURFACE AREA )	0.032	0.061
PERFORATION SIZE , SLIT mm / Qty	1 / 6600	1.5 / 10200

MATERIAL OF DIFFUSER

High quality EPDM membrane The membrane must close quickly when stop air supply, The self-cleaning design prevents clogging and highly resistant to fouling, The physical characteristic is as follows:
Membrane Color	Black
Wall Thickness	2 mm
Tensile strength ‘’ASTM D412-92’’	2000 PSI
Tear strength ‘’ ASTM D 624-91’’	110 Lb/linear inch
Ozone resistance ‘’ 70 Hrs AT 40 ° C’’ASTM D 1171-94’’	Pass
UV resistance	Pass
Durometer ‘’Shore – A’’	60
Ultimate Elongation	700%
The disc base and retaining ring shall be molded high quality ABS ( POLYLAC) . The physical characteristic is as follows :
Specific Gravity	1.06
IZOD Impact Strength	2.6 ft-lb/in
Tensile Strength	7090 PSI
Tensile Elongation	15%
Maximum Temperature	85℃

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RANBAXY LABORATRIES LTD.

            This is to certify that  ® Qty:164nos diffuser aeration system was installed at our plant by M/s Jay engineering on year 2001 on DEWAS plant for effluent flow 1000cu.m/day BOD-900mg/l COD..3000mg/l.

            MR.SATISH PATHAK | (Officer-EHS) MORE