Performance for MD3 (Legacy)
Maximum Flow/Pressure:
- 34.6 gph at 140 PSI
- 37.9 gph at 90 PSI
- 48.2 gph at 40 PSI
- 52.6 gph at 0 PSI
Maximum speed 100% = 190 Strokes/Min
Fitting connections for MD3 (Legacy) pump
“M” = 1/2” Male NPT (Straight and 90-degree elbow)
“B” = 1/2” Hose Barb (Straight and 90-degree elbow)
Maximum Viscosity: 1,000 Centipoise
Maximum Suction Lift: 20 ft at sea level (14.7 atm psi)
Electrical and Controls
Electrical Power Requirement: 100 to 240VAC, 50/60Hz
Motor: Brushless DC, 2,000:1 Turndown, Continuous Duty
Power cord options available (6 feet length):
- 115VAC 50/60HZ, NEMA 5/15 plug (U.S.)
- 220VAC 50/60HZ ,CEE 7/V11 plug (EU)
- 230VAC 50/60HZ, NEMA 6/15 (U.S.)
- 240VAC 50/60HZ, AS 3112 plug (Australia / New Zealand)
- 230VAC 50/60HZ, BS 1363/A plug (UK)
Inputs:
- 4-20 mA – fully configurable
- 0-10 VDC
- Frequency / Pulse input – fully configurable
- Stop/Start Dry Contact Closure (Configurable for N.O. or N.C.)
- FVS (Flow Verification System) (Flow sensor provided by others)
Outputs:
- 4-20 mA output – fully configurable
- Frequency output (Open collector)
- Four (4) Alarm Outputs – Programmable.
Materials of Construction
Non-wetted Components:
- Enclosure: 413 Aluminum (Polyester powder coated) – NEMA 4X (IP 66)
- Drive Enclosure: Valox (PBT) thermoplastic
- Permanently lubricated sealed motor shaft support ball bearing.
- Drive Enclosure Cover: Polycarbonate
- Cover Screws: 300 Series stainless steel
- Pump Head Cover: 316 Stainless Steel
- Motor Shaft: Chrome-plated steel
- DFD System Sensor pins: Hastelloy C-276
- Power Cord: 3 conductor, SJTW-A water-resistant
- Mounting Brackets and Hardware: 316 Stainless steel
Wetted Components:
- Pump Head Assembly: PVDF
- Pump Head: PVDF
- Adapter Connections: PVDF
- Valve Cartridges: PVDF
- Valve Balls: Ceramic
- Elastomers: TFE/P
- Static Seals: TFE/P (optional EP)
- Diaphragm: DiaFlex® (optional Flex-A-Prene)
Diaphragm Options
DiaFlex® Diaphragm – This material consists of a natural PVDF flexible single-layer design that is compatible with most acids and bases. DiaFlex® is not compatible with sodium hydroxide or ammonia.
Flex-A-Prene® Diaphragm – An excellent material for most water treatment applications. Chemically resistant to 50% sodium hydroxide and many others.
Dimensions and Weights
Maximum Overall Dimensions: 16-1/8”W x 15-1/4”H x 15-5/16”D (40.9W x 38.7H x 38.9D cm)
Product Shipping Weight: 53 Lb. (24 Kg)
Agency Listings
- CE
- cETLus
- RoHS Compliant
- NSF 61 Listed
- NEMA 4X
