Danfoss D21 Cast Iron Gear Pumps

Danfoss D-Series and DX-Series Cast Iron Gear Pumps is specifically designed for maximum efficiency, dependability, durability and reliability in performing continuous operation in heavy duty applications with severe duty cycles and temperature conditions, all within the industry leading package size and power density.

The broad range of shaft drives, integrated valves, and side or rear port options gives great flexibility in system design. Coupled with the modularity and compact nature of the D-series of pumps, a wide array of applications rely on the D-pumps.

20% smaller than conventional gear products, our cast iron gear pumps give great power density in a small package.

Feature

Here is a list of features for Danfoss cast iron gear pumps:

• Thrust plate design for high efficiency over a wide temperature range
• Teflon® coated bushings for extended life under extreme temperature and pressure conditions
• High strength cast iron construction for efficient performance in continuous operation
• Easy installation due to compact, power-dense design
• Viton® seals as standard to sustain higher temperature and fluid capabilities
• A variety of integrated valve options for customization and optimization in different applications
• Low noise operation
• High performance and reliability in a wide range of applications, including hydraulic systems, lubrication systems, and other industrial processes.

Specifications

Markets and Applications

FAQS

1. What are the benefits of using Danfoss D21 cast iron gear pumps?

   Danfoss D21 cast iron gear pumps offer superior performance, reliability and long-term durability. They are manufactured using quality materials, have excellent volumetric efficiency, leak-free operation and a range of pressure capabilities. Additionally, they offer low noise levels due to their advanced design and come in several different sizes and port configurations that provide flexibility for your specific application.

2. What is the maximum flow rate of the Danfoss D21 cast iron gear pump?

   The maximum flow rate of the Danfoss D21 cast iron gear pump is up to 118 liters per minute (LPM) with a wide range of head sizes to meet different needs. It is also equipped with an adjustable relief valve that can be set from 0 – 250 bar and has a maximum working pressure of 500 bar. Danfoss D21 series pumps are designed for optimal performance and long service life in high-performance applications.

3. What is the maximum flow rate for the Danfoss D21 cast iron gear pumps?

   The maximum flow rate of the Danfoss D21 cast iron gear pumps is up to 109.2 US gallons per minute (GPM) with a displacement range between 0.076 and 2.06 cubic inches per revolution (in³/rev). This makes the pump suitable for a wide variety of applications such as industrial, mobile, and agricultural machinery.

4. What is the maximum operating pressure for the Danfoss D21 cast iron gear pump?

   The Danfoss D21 cast iron gear pump is designed to safely handle pressures up to 70bar/700kPa (10,000psi). It is a reliable and versatile pump that can be used in a variety of applications. The durable construction and design allows for long-term operation with minimal maintenance.