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1 HP, R-404A/R-507 Danfoss SC21B Hermetic Reciprocating Compressor
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1 HP, R-404A/R-507 Danfoss SC21B Hermetic Reciprocating Compressor

Engineered for deep-freezing applications, the Danfoss SC21B is a high-capacity 1 HP low-temperature compressor designed for high vapor mass flow density. It is built to power industrial blast freezers, commercial ice-makers, and deep frozen food storage units. It features a reinforced valve plate block that handles high-pressure returns without cracking or losing compression seals. The internal motor is optimized for low back pressure environments, providing the torque needed to maintain deep sub-zero conditions even in high ambient temperatures. This makes it a reliable asset for serious commercial freezing operations.

₦160,000 ₦184,000

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Ensure premium thermal management and long-term operating durability with the Danfoss SC21B. Engineered to deliver consistent and smooth compression, this 1 HP high-capacity freezer compressor relies on a precise internal mechanism with a reinforced valve plate block designed to withstand intense vapor mass flow density. This simplified layout minimizes routine mechanical wear, drastically limits acoustic noise output, and cuts down on structural system vibration compared to legacy low-temp units, all while maintaining an eco-conscious freezing capability profile. Perfect for maintenance engineers, HVAC technicians, and facility management teams across Lagos, this robust workhorse is designed to tolerate tough field conditions, including heavy sub-zero pull-down loads and industrial blast freezing cycles. The unit comes factory-charged with premium Polyolester (POE) oil to ensure reliable mechanical lubrication in demanding low-temperature, high-pressure R404A/R507 environments. Standard copper suction and discharge connection stubs make certain that technicians can pull a clean, completely leak-proof braze line during drop-in field installation.

Technical Specifications

Specification Value
Brand Danfoss (Secop)
Model Family SC-Low Temp Industrial Reciprocating
Model Number SC21B (COMROT-DNFS11)
Horsepower (HP) 1.0 HP (Low-Temperature Heavy Class)
Refrigerant Compatibility R404A / R507 Only
Voltage / Phase / Freq 220-240V / 1-Phase / 50Hz
Application Type Low Back Pressure (LBP) Blast Freezers & Storage
Suction Connection Size 3/8″ OD Heavy Duty Stub
Discharge Connection Size 5/16″ OD Heavy Duty Stub
Oil Type High-Purity Polyolester (POE) Oil

Shipping & Logistics Data

  • Net Weight: ~13.8 kg

  • Gross Shipping Weight (with protective packaging): ~14.5 kg

  • Product Dimensions: 31.0 cm × 21.0 cm × 26.0 cm (Box Dimensions)

SKU: COMROT-DNFS11 Categories: , Tags: , , , , , ,
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