Oberdorfer Bronze Centrifugal Pump 70 GPM 1/2 HP #109MB-J19

Oberdorfer Bronze Centrifugal Pump 70 GPM 1/2 HP # 109MB-J19 (D)
Item# OBE-PMP-109MB-J19
List: $1,480.42
Value Priced $971.30
Availability: ships the next business day

Oberdorfer end suction, single phase, close-coupled, all bronze, centrifugal, gravity flow (not self-priming), pump with mechanical seal. Designed specifically for use as raw water recirculation pumps on marine air conditioners. Replacement for Cruisair # PM3000BX and Aqua-Air # AQPM-30



Specifications

Applications: Marine air conditioner coolant pumps, recirculation, live bait wells, marine fresh water systems, general liquid transfer. Construction: Casing, semi-open impeller and bracket are bronze. Stainless 416 motor shaft. Single mechanical seal with carbon faces, Buna elastomers and 304 stainless steel metal parts. Comparability: Cruisair # PM3000BX *** Aqua-Air # AQPM-30 Mounting: Below water line Connections: 1-1/4" X 1" female NPT suction and discharge Motor: Baldor 1/2 HP, 3450 RPM, Open drip proof, single phase, 115/230 volts, 60 Hz, with ball bearings front and back and built-in overload protection. Clockwise rotation, when facing back of motor. Maximum working temperature: 180 degrees Fahrenheit Carton dimension: 14" high, 12" wide, 18" long. Weight: 35 lbs



Pump Capacity Table
Model HP Total Dynamic Head (TDH)
5 10 15 20 25 30 35 40 Shut-off
Gallons Per Minute (GPM)
109MB-J19 1/2 70 62 55 50 40 30 20 10 42

OBE-PMP-109MB-Centrifugal-Bulletin.pdf
OBE-PMP-Centrifugal-Seal-Replacement.pdf

 Oberdorfer Centrifugal Replacement Pump 70 GPM 1/2 HP # 109MB (BB)

Oberdorfer centrifugal replacement pump (motor not included) for # 109MB-1-J26 and # 109MB-J19

List: $820.52
Value Priced $631.39
Availability: ships the next business day
OBE-PMP-109MB
Repair Kit for Oberdorfer Centrifugal 109 Series Pump  10721 (AA)
List: $144.94
Value Priced $123.92
Availability: ships the next business day
OBE-PRT-10721

Questions & Answers

Is the Oberdorfer 109MB-J19 Self Priming?
These centrifugal pumps are not self-priming. They must be installed below the liquid level so that the liquid flows to the pump by gravity (flooded suction). However, if a foot valve is used at the beginning of the suction line, and all air is bled from the pump by manual priming, the pump will lift on the suction side up to 15 feet.
What is the capacity required for marine air conditioning unit?
Based upon the total BTU output of the A/C unit. Most manufacturers select pump size (capacity) based upon the following: 4 GPM (or 240 GPH) for each 12,000 BTU ( 1 Ton A/C)
Can a restrict the discharge flow of the pump?
One centrifugal pump will often serve as the coolant pump for two, three or even four condenser units on the same boat. Restrictor valves may be used on centrifugal pumps to reduce flow to desired amount - without damage to the pump unit.
What is the mounting location of Oberdorfer non self priming pumps A/C pumps?
If pump is to be mounted below the water line and with a flooded suction port, a centrifugal pump is generally preferred. Centrifugal pumps are quiet running, require less amperage, and are less easily damaged by running dry than are rubber impeller type pumps. However, most centrifugal pumps do not have suction lift capability (must have flooded suction to function).
What is the mounting location of Oberdorfer self priming pumps A/C pumps?
If pump is to be mounted above the water line, a self priming unit is essential, such as the 300B-1-F26 Centrifugal above, or Rubber impeller type pumps

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