Related Manuals for DEMA 574
Summary of Contents for DEMA 574
- Page 1 DEMA MIXRITE PROPORTIONING PUMP MODELS 574 & 575 574CL & 575CL FOR CORROSIVE LIQUID CHEMICALS INSTALLATION INSTRUCTION 10% MixRite Pump MODELS 574 & 575 I-871 Page 1 Rev. C-34072 1/14/09...
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Page 2: Technical Data Table
Weight: 5.8 lb. (2.6 kg) 1. PURPOSE: The DEMA MixRite proportioning pump allows a chemical product to be pumped at a preset constant mix ratio over a flow range of 0.09 to 11GPM (0.34 to 41.6 L / M). It is a reciprocating piston powered pump that mixes a measured amount of chemical with each return stroke of a large “engine”... - Page 3 (see Fig. 1) 2. Screw the DEMA MixRite bracket into a wall or any stable vertical base. 3. Press the DEMA MixRite onto the bracket. The nipples on the DEMA MixRite must click into the holes in the side of the bracket.
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Page 4: Operation
The MixRite will operate as soon as water is allowed to flow through it. If the pump is operating but not drawing, check #7 below if you have model 574, otherwise, check #8 below if you have model 575. ADJUSTING THE DEMA MIXRITE: Directions to adjust the volume (ratio) of the liquid chemical. - Page 5 5. Check that the cylinder (# 7) is 5. Change the cylinder. not scratched. (# 57-10-7-10 for 574 & 575) 6. Check that the piston upper and 6. Change the lip seals (Kit No. lower lip seals are not damaged.
- Page 6 DEMA MIXRITE PROPORTIONING PUMP MODELS 574 & 575 574CL & 575CL FOR CORROSIVE LIQUID CHEMICALS INSTALLATION INSTRUCTION Weight: MixRite Height “A” Models Minimum Maximum 5.8 lb. 19.31” [490.47 mm] 20.50” [520.70 mm] (2.6 kg) 21.06” [534.92 mm] 22.25” [565.15 mm]...
- Page 7 DEMA MIXRITE PROPORTIONING PUMP MODELS 574 & 575 574CL & 575CL FOR CORROSIVE LIQUID CHEMICALS INSTALLATION INSTRUCTION I-871 Page 7 Rev. C-34072 1/14/09...
- Page 8 Cylinder 59 Air Release Spring (574) Adjustment Sleeve 60 Air Release Screw (574) Cover 10 Ejector Pin 61 Air Release O-Ring 2-107 (574) 11 Cylinder Toggle 62 Rinse On/Off Knob (575) 12 Center Valve 63 Push Rod 13 Valve Bridge...
- Page 9 “o”- rings, diaphragms, squeeze tubing and gaskets are considered expendable and are not covered under warranty. This warranty is extended only to the original buyer of DEMA products. If products are altered or repaired without prior approval of DEMA, this warranty will be void.
- Page 10 DEMA MIXRITE PROPORTIONING PUMP MODELS 574 & 575 574CL & 575CL FOR CORROSIVE LIQUID CHEMICALS INSTALLATION INSTRUCTION WATER INLET FILTER P/N 50-41-1 DESCRIPTION Accessory KIT NO. 57-2B-10 KIT NO. 57-2B-10-VE FOR CL USE ENGINE REPAIR KIT DESCRIPTION Piston Body Base...
- Page 11 3/4 Nut Hi-Lo Screw Outer Cylinder O-Ring (2-109) Knob Push Rod Top Valve Compression Spring Locking Pin KIT NO. 57-4B AIR RELEASE COVER KIT FOR MODEL 574 DESCRIPTION Cover 3/4 Nut Hi-Lo Screw Outer Cylinder O-Ring (2-109) Knob I-871 Page 11 Rev.
- Page 12 DEMA MIXRITE PROPORTIONING PUMP MODELS 574 & 575 574CL & 575CL FOR CORROSIVE LIQUID CHEMICALS INSTALLATION INSTRUCTION KIT NO. 57- K10- M001 CHEMICAL INLET TUBING KIT DESCRIPTION Suction Filter Body Suction Filter Filter Body Disk Filter Body Weight Suction Tube KIT NO.
- Page 13 DEMA MIXRITE PROPORTIONING PUMP MODELS 574 & 575 574CL & 575CL FOR CORROSIVE LIQUID CHEMICALS INSTALLATION INSTRUCTION NOTES CL units can be identified by their Purple Adjustment Sleeve. This means they have Hastelloy springs and screws, all the O-Rings are Viton and the chemical piston is green, because it’s Viton Extreme.
- Page 14 DEMA MIXRITE PROPORTIONING PUMP MODELS 574 & 575 574CL & 575CL FOR CORROSIVE LIQUID CHEMICALS INSTALLATION INSTRUCTION NOTES I-871 Page 14 Rev. C-34072 1/14/09...
- Page 15 DEMA MIXRITE PROPORTIONING PUMP MODELS 574 & 575 574CL & 575CL FOR CORROSIVE LIQUID CHEMICALS INSTALLATION INSTRUCTION NOTES I-871 Page 15 Rev. C-34072 1/14/09...
- Page 16 DEMA Engineering Company 10020 Big Bend Boulevard St. Louis Missouri 63122 Telephone: (800) 325-3362 Fax: (314) 965-8319 Website: www.demaeng.com...