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Pulsafeeder DM4D1FG Mechanically Actuated Diaphragm Metering Pump – Green Line Series, 72.9 GPH – 145 PSI - Image 1
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Pulsafeeder DM4D1FG Mechanically Actuated Diaphragm Metering Pump – Green Line Series, 72.9 GPH – 145 PSI

Original price was: $4,532.00.Current price is: $3,807.00.

The Pulsafeeder DM4D1FG delivers precise chemical dosing up to 72.9 GPH at 145 PSI for industrial water treatment systems.

Its PVDF construction provides strong chemical resistance in corrosive applications. The mechanically actuated diaphragm ensures consistent flow and extended service life.

A 0.54 HP motor, dual voltage 115/230V, and 10:1 turndown ratio allow accurate and flexible flow control. The sealed gearbox supports reliable, low-maintenance operation.

Ideal for cooling towers, boiler systems, wastewater treatment, and industrial chemical dosing applications.

Technical Specifications

Specification Details
Model DM4D1FG (Green Line Series)
Pump Type Mechanically Actuated Diaphragm Metering Pump
Flow Capacity Up to 72.9 GPH
Maximum Pressure 145 PSI
Construction Material PVDF (Polyvinylidene Fluoride)
Drive Type Mechanically Actuated Diaphragm
Motor Power 0.54 HP
Voltage 115/230V, 60Hz
Turn Down Ratio 10:1
Applications Industrial water treatment, cooling towers, boilers, chemical process dosing
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Item No: DM4D1FG Category:
Description

Pulsafeeder DM4D1FG Metering Pump – 72.9 GPH, 145 PSI

The Pulsafeeder DM4D1FG metering pump delivers accurate chemical dosing up to 72.9 GPH at 145 PSI. As a result, it supports industrial water treatment systems that require steady flow and higher-pressure performance.

Designed for demanding environments, this Green Line mechanically actuated diaphragm pump ensures consistent and reliable operation. In addition, its durable PVDF construction resists aggressive chemicals used in cooling towers, boilers, and industrial process systems. Therefore, operators benefit from long-term chemical compatibility and dependable service life.

Moreover, the rugged drive assembly and precision stroke adjustment provide stable dosing control. The 10:1 turndown ratio allows simple and accurate flow changes as system demands shift. Consequently, the pump maintains reliable dosing accuracy with minimal interruption.

Additionally, the sealed gearbox protects internal components from contamination and reduces maintenance requirements. The 0.54 HP motor, operating on dual voltage (115/230V, 60Hz), offers installation flexibility across facilities.

Finally, because of its strong construction and high-pressure capability, the Pulsafeeder DM4D1FG metering pump integrates easily into chemical injection skids and automated industrial feed systems for cooling towers, boiler treatment, wastewater processes, and manufacturing applications.

Specifications

Specifications and Use Cases of the Pulsafeeder DM4D1FG Green Line Metering Pump

The Pulsafeeder DM4D1FG Green Line metering pump features a mechanically actuated diaphragm with durable PVDF construction for strong chemical resistance. Rated up to 72.9 GPH at 145 PSI, it delivers accurate and consistent chemical dosing in demanding industrial water treatment applications.

Its rugged diaphragm design supports long service life and reliable performance. The manual stroke adjustment with a 10:1 turndown ratio allows precise flow control as operating conditions change. A sealed gearbox and 0.54 HP motor ensure dependable, low-maintenance operation in continuous-duty environments.

Use Cases & Industry Applications:

● Water Treatment Systems: Accurately feeds corrosion inhibitors, biocides, acids, and specialty chemicals.
● Boiler Feed Systems: Maintains proper water chemistry and protects equipment from scale and corrosion.
● Cooling Towers: Ensures consistent chemical dosing for improved system efficiency and cleanliness.
● Industrial Process Systems: Provides steady chemical injection in manufacturing and processing operations.
● Power & Utility Facilities: Handles higher-pressure dosing requirements up to 145 PSI.
● Chemical Injection Skids: Integrates easily into automated industrial chemical feed systems.

Datasheet

GreenLine-tech-sheet

Pulsafeeder-Resistance-Guide

Pulsa-Catalog

 

 

Replacement Parts

No replacement parts listed for this item yet.

FAQs

FAQs

1. What is the flow capacity of the Pulsafeeder DM4D1FG?
It delivers up to 72.9 gallons per hour (GPH) with manual stroke adjustment for precise flow control.

2. What is the maximum operating pressure?
The pump operates at pressures up to 145 PSI, making it suitable for higher-pressure industrial chemical feed systems.

3. Does this pump provide reliable chemical resistance?
Yes, its PVDF construction offers excellent resistance to aggressive and corrosive chemicals used in water treatment applications.

4. Can the DM4D1FG support adjustable output control?
Yes, it features a 10:1 turndown ratio that allows accurate manual flow adjustment as system demands change.

5. Is the DM4D1FG easy to maintain?
Yes, the sealed gearbox and rugged drive design help reduce maintenance needs and support dependable, continuous-duty operation.

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