The Cast Iron Circulation Pump is a robust and efficient solution designed for various heating and cooling systems, including hydronic heating, radiant floor heating, heat recovery, and solar heating applications. Its durable construction, quiet operation, and ease of maintenance make it a reliable choice for both residential and commercial use. Below is a detailed overview of its features, performance, technical specifications, and applications:

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Identification Code

Example: RS25/6

• RS: Screwed-end Pump
• 25/: Nominal Diameter of Pipe Connection
• 6: Rated shut-off head
• G: G version design

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Suitable Fluids

• Heating water to VD 12035
• Water/glycol mixtures (Max. mixing ratio 1:1)

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Performance

• Fluid Temperature Range: -10℃ to +110℃
• Max. Working Pressure: 10 bar
• Ambient Temperature: Up to 40℃
• Power: 1~230V, 50/60Hz
• Motor Protection: IP44, Class F

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Construction Materials

• Pump Body: Cast iron
• Impeller: PP (Polypropylene)
• Shaft: Ceramic
• Bearing: Ceramic

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Mounting Position

• Orientation: Pump shaft should be in the horizontal plane.

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Equipment Features

• Screwed End Single Head Pump: Easy to install and service.
• Manual 3-Speed Control: Allows for adjustable flow rates.
• Non-Overload Single Phase Motor: Ensures reliable operation.
• Compact Size: Space-saving design.
• Self-Venting: Reduces maintenance needs.
• Optional Built-In Check Valve (BICV): Prevents thermo-siphoning and backflow.
• Maintenance-Free Cartridge: Field serviceable for long-term reliability.
• Certifications: UL and ULC listed for Canada; complies with California and Vermont lead-free standards.
• Warranty: Industry-leading 1-year warranty.

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Applications

• Hydronic Heating Systems (Hot Water Heating)
• Radiant Floor and Panel Heating
• Heat Recovery Systems
• Chilled Water Cooling Systems
• Water Source Heat Pump Systems
• Solar Heating Applications

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Technical Specifications

• Voltage: 110 V or 220 V
• Amperage:
  • Speed 1: 0.55 Amps
  • Speed 2: 0.66 Amps
  • Speed 3: 0.75 Amps
• Hertz: 50 Hz or 60 Hz
• Phase: 1
• Watts:
  • Speed 1: 60 W
  • Speed 2: 80 W
  • Speed 3: 87 W
• Max Pressure: 145 psi
• Max Temperature: 230°F
• Min Temperature: 36°F
• Flow Range: 0-17 GPM
• Head Range: 0-19.5 ft
• Horse Power: 1/25 HP
• Body: Cast Iron
• Connections: 1/2″, 3/4″, 1″, 1-1/4″

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Company Description

• Quality Assurance: All products are designed and manufactured according to the latest international standards and ISO 9001-2008 quality system.
• Certifications: CE, GS, TVU, UL, and CCC certificates.
• Global Distribution: Products are distributed in over 40 countries.
• Branding: Available as OEM or under the registered trademark “HT.”
• Mission: To be a “Quality China Pump Supplier” by offering high-quality products at reasonable prices.
• Core Values: Quality, service, and reputation are the principles of our enterprise culture. We aim for reality, innovation, and excellence.

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Conclusion

The Cast Iron Circulation Pump by HT is a durable, efficient, and versatile solution for various heating and cooling systems. Its robust design, ease of maintenance, and compliance with international standards make it an excellent choice for both residential and commercial applications. For more information or to explore options, contact a professional supplier or visit HT Pumps.

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By adhering to the guidelines and leveraging its features, you can ensure the optimal performance and longevity of your Cast Iron Circulation Pump.