Franklin MH9 bare multistage pump — representative range photograph; appearance varies by stage and motor version
Franklin MH9 bare multistage pump — representative range photograph; appearance varies by stage and motor version
Franklin MH9 original manufacturer performance curves at 50Hz
Franklin MH9 original manufacturer performance curves at 50Hz
Franklin MH9 bare multistage pump — representative range photograph; appearance varies by stage and motor version
Franklin MH9 original manufacturer performance curves at 50Hz

FRANKLIN 9AMH5B-53 THREE-PHASE MULTISTAGE PUMP

The Franklin 9AMH5B-53 is a three-phase horizontal multistage pump for clean-water transfer, pressure boosting, irrigation and washdown. It is supplied as a bare pump-and-motor unit; automatic start/stop operation requires separate controls, and no pressure tank is included.

✓ 9AMH5B: 166.7LPM at 42.1m head; maximum head 60.1m
✓ Inlet: 1 1/2" BSP female thread
✓ Outlet: 1 1/4" BSP female thread
✓ Flow/head pairs are reference points; maximum head occurs at zero flow
✓ Not self-priming; fill the pump and suction pipe before starting
✓ 380–415V three phase, 50Hz; electrician connection and external overload protection required

Franklin MH Pump Installation & Operating Manual

Franklin MH9 bare multistage pump — representative range photograph; appearance varies by stage and motor version

The Franklin 9AMH5B-53 is a three-phase horizontal multistage pump for clean-water transfer, pressure boosting, irrigation and washdown.

Suitable uses include domestic and commercial water supply, light industrial water transfer and compatible circulation systems. Supplied as a bare pump-and-motor unit. Suitable separate controls are required for automatic operation as taps open and close; a pressure tank is not included.

9AMH5B: 166.7LPM at 42.1m head; maximum head 60.1m.

The paired figures show flow and head together; they are reference points, not maximum-flow ratings or a nominated ideal duty. Maximum head occurs at zero flow. Allow for inlet conditions, height differences and pipe losses when selecting the pump.

Inlet: 1 1/2" BSP female thread.
Outlet: 1 1/4" BSP female thread.

The pump body, impellers and diffusers are 304 stainless steel. Use clean water without solids or fibres, compatible with the pump materials. Maximum water temperature is 85°C for domestic and commercial use; the 110°C limit is for industrial applications only.

The pump is not self-priming. Fill the pump casing and suction pipe before starting, and use suitable inlet valves to retain prime where suction lift is required. Install on a firm base with drainage, supported pipework, ventilation and protection from weather and freezing. Do not run without water or against a closed outlet.

Maximum operating pressure is 1000kPa; inlet pressure and the pressure added by the pump must remain within this limit.

380–415V three phase, 50Hz; electrician connection and external overload protection required.

Pump covers are available separately; check clearance and ventilation for the selected pump.

Two-year Franklin Electric pump warranty, subject to its terms.

Franklin MH Pump Installation & Operating Manual

✓ Application
Clean-water transfer, pressure boosting, domestic and commercial water supply, irrigation, washdown and compatible circulation systems, including light industrial applications.

✓ Warranty
Two-year Franklin Electric pump warranty, subject to its terms.

✓ Model Specifications
9AMH5B-53
Flow/head reference: 166.7LPM at 42.1m head.
Maximum pump head: 60.1m (zero flow).
Inlet: 1 1/2" BSP female thread.
Outlet: 1 1/4" BSP female thread.
Power supply: 380–415V three phase, 50Hz; electrician connection and external overload protection required.

✓ Supplied Operation
Bare pump-and-motor unit; pressure tank and automatic demand controls are supplied separately.
The pump does not automatically start and stop as taps open and close without suitable separate controls.

✓ Performance & Pressure Limits
The paired figures show the flow available at a stated head.
Application flow range: 50–233.3LPM; select the stage count for the required head.
Maximum head is the zero-flow figure and occurs separately from the listed flow.
Maximum operating pressure: 1000kPa. Inlet pressure plus pump pressure must remain within this limit.
Select for the required flow and head, allowing for height differences and pipe losses.
Do not run against a closed outlet or below the manufacturer's minimum operating flow.

✓ Water Supply
Clean, non-aggressive liquids compatible with the pump materials, without solids or fibres.
Maximum water temperature: 85°C for domestic/commercial use; 110°C for industrial use only.

✓ Installation & Priming
Not self-priming; fill the pump casing and suction pipe with water before starting.
Use suitable inlet valves to retain prime in suction-lift installations; check suction conditions against the pump curve.
Install horizontally on a firm base with supported pipework, drainage and protection from weather and freezing.
Leave at least 100mm clearance at the motor cooling fan, following the manual.
Provide suitable protection against loss of water supply; do not run dry.

✓ Construction
304 stainless-steel pump body, impellers and diffusers.
Ceramic/carbon mechanical seal with EPDM elastomer.
Horizontal close-coupled multistage construction.

✓ Electrical Supply & Protection
380–415V three phase, 50Hz; electrician connection and external overload protection required.
Maximum ambient temperature: 40°C.
Motor insulation: Class F. Refer to the supplied motor nameplate for its enclosure rating, output and current.

✓ Product Identification
Model: 9AMH5B-53.
Stock SKU: PUFR96141009305.

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