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321 Stainless Steel Cartridge Heater 0.63" OD 1.3 - 36" Long

Hi-Density Cartridge Heaters with 321 Stainless Steel Sheath 5/8 (15.88 mm) Nominal Diameter

$61.52

Item# HDC00721

Volume discounts available
Volume Discount Schedule
Quantity Price each
1-4 $61.52
5-9 $58.44
10-24 $57.21
25-49 $54.75
50-99 $53.52
100+ $52.29

In stock

Lead Time (If not in stock): 4 weeks
Hi-Density Cartridge Heaters with 321 Stainless Steel Sheath 5/8 (15.88 mm) Nominal Diameter HDC00721 HDC00721
  • Watt Densities of 22 W/in2 to 255 W/in2 Provide Maximum Process Temperature Flexibility
  • Standard 321 Stainless Steel Sheath Material Provides High Temperature Strength, Good Thermal Conductivity and Resistance to Corrosion and Scaling
  • Swaged Construction Provides Excellent Heat Transfer and High Dielectric Strength
  • U.L. Component Recognized

HDC00721 Model Options

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Edit these specs to order a different model. Not all combinations are valid. Options compatible with previous selections will be in bold.

*Highlighted options are not compatible. Please select a different combination.

Power Density
Supply Voltage
Cartridge Length
Power
Heater Diameter
lead length


Hi-Density multi-purpose cartridge heaters represent Omega's commitment to value-added customer service. Omega maintains over 65,000 semi-finished hi-density cartridge heater substrates in stock, offering a combination of over 1000 sizes in industry standard diameters and lengths ranging from 25.4 to 1524 mm (1' to 60') in a complete spectrum of wattages and operating voltages.

Multi-purpose cartridge heaters are the solution for a multitude of original equipment manufacturers (OEMs) and maintenance (MRO) applications. Highly engineered specific purpose Omega cartridge heaters have been at the forefront of addressing the challenges of Original Equipment Manufacturers (OEMs) in a broad segment of diversified industries. As a company, Omega is uniquely qualified and committed to assisting our customers in developing highly engineered specific use cartridge heaters for dependable and reliable performance.

Let Omega provide the optimal solution to your thermal loop systems and cartridge heater design challenges. Omega will custom manufacture to your specifications. Contact us today with your requirements.

Hi-Density Cartridge Heaters ⅝' Dia., Actual 0.621' ±0.002' (15.773 mm)
Sheath Length Model Number Watts Watt Density Sheath Length Model Number Watts Watt Density
inch mm 120V 240V /in2 /cm2 inch mm 120V 240V /in2 /cm2
31.8 HDC00713 50 34 5 4 101.6 HDC00771 HDC00772 500 73 11
31.8 HDC00714 HDC00715 200 136 21 4 101.6 HDC00773 550 80 12
31.8 HDC00716 HDC00717 250 170 26 4 101.6 HDC00774 600 87 14
38.1 HDC00719 HDC00720 250 127 20 4 101.6 HDC00775 HDC00776 750 109 17
2 50.8 HDC00721 100 34 5 4 101.6 HDC00777 1000 146 23
2 50.8 HDC00722 125 42 7 114.3 HDC00780 500 64 10
2 50.8 HDC00723 HDC00724 200 68 11 114.3 HDC00783 HDC00784 750 95 15
2 50.8 HDC00725 HDC00726 250 85 13 114.3 HDC00785 1000 127 20
2 50.8 HDC00727 300 102 16 120.7 HDC00787 750 90 14
2 50.8 HDC00728 400 136 21 5 127 HDC00788 HDC00789 250 28 4
2 50.8 HDC00729 500 170 26 5 127 HDC00790 500 57 9
2 50.8 HDC00730 750 255 40 5 127 HDC00791 HDC00792 750 85 13
57.2 HDC00731 100 29 5 5 127 HDC00793 875 99 15
57.2 HDC00732 125 36 6 5 127 HDC00794 HDC00795 1000 113 18
57.2 HDC00733 HDC00734 250 73 11 5⅜ 136.5 HDC00796 HDC00797 800 84 13
57.2 HDC00735 HDC00736 350 102 16 139.7 HDC00800 800 81 13
2⅜ 60.3 HDC00739 HDC00740 280 76 12 146.1 HDC00801 500 49 8
63.5 HDC00742 180 46 7 146.1 HDC00802 1500 146 23
63.5 HDC00743 HDC00744 275 70 11 6 152.4 HDC00804 HDC00805 300 28 4
63.5 HDC00745 HDC00746 400 102 16 6 152.4 HDC00806 HDC00807 500 46 7
63.5 HDC00747 720 183 28 6 152.4 HDC00808 750 69 11
3 76.2 HDC00748 150 31 5 6 152.4 HDC00809 HDC00810 1000 93 14
3 76.2 HDC00749 180 37 6 6 152.4 HDC00811 1200 111 17
3 76.2 HDC00750 HDC00751 250 51 8 6 152.4 HDC00812 HDC00813 1500 139 22
3 76.2 HDC00752 HDC00753 350 71 11 165.1 HDC00814 HDC00815 350 30 5
3 76.2 HDC00754 400 81 13 165.1 HDC00816 HDC00817 500 42 7
3 76.2 HDC00755 HDC00756 500 102 16 165.1 HDC00818 900 76 12
3 76.2 HDC00757 600 122 19 165.1 HDC00819 1400 119 18
3 76.2 HDC00758 720 147 23 171.5 HDC00820 500 41 6
3 76.2 HDC00759 750 153 24 171.5 HDC00821 1000 81 13
82.6 HDC00760 200 37 6 7 177.8 HDC00822 HDC00823 500 39 6
82.6 HDC00761 800 148 23 7 177.8 HDC00824 750 59 9
88.9 HDC00762 525 89 14 7 177.8 HDC00825 HDC00826 1000 78 12
95.3 HDC00763 HDC00764 525 82 13 7 177.8 HDC00827 1500 118 18
4 101.6 HDC00766 HDC00767 250 36 6 190.5 HDC00828 325 24 4
4 101.6 HDC00768 300 44 7 190.5 HDC00829 1300 95 15
4 101.6 HDC00769 350 51 8 196.9 HDC00830 400 28 4
4 101.6 HDC00770 400 58 9


Sheath Length Model Number Watts Watt Density Sheath Length Model Number Watts Watt Density
inch mm 120V 240V /in2 /cm2 inch mm 120V 240V /in2 /cm2
196.9 HDC00831 1000 70 11 12 304.8 HDC00875 2000 89 14
8 203.2 HDC00832 400 27 4 13 330.2 HDC00876 1000 41 6
8 203.2 HDC00833 HDC00834 500 34 5 13 330.2 HDC00877 1500 61 10
8 203.2 HDC00835 750 51 8 14 355.6 HDC00878 925 35 5
8 203.2 HDC00836 850 58 9 14 355.6 HDC00879 1000 38 6
8 203.2 HDC00837 HDC00838 1000 68 11 14 355.6 HDC00880 1500 57 9
8 203.2 HDC00839 HDC00840 1200 81 13 14 355.6 HDC00881 3700 140 22
8 203.2 HDC00841 HDC00842 1500 102 16 15 381 HDC00882 750 26 4
8 203.2 HDC00843 2000 136 21 15 381 HDC00883 1000 35 5
222.3 HDC00845 450 28 4 15 381 HDC00884 2400 84 13
222.3 HDC00846 1800 111 17 15 381 HDC00885 4000 140 22
9 228.6 HDC00847 500 30 5 16 406.4 HDC00886 1000 33 5
9 228.6 HDC00848 750 45 7 16 406.4 HDC00887 2500 82 13
9 228.6 HDC00849 1000 60 9 16 406.4 HDC00888 4500 148 23
9 228.6 HDC00850 1500 90 14 17 431.8 HDC00889 1000 31 5
241.3 HDC00851 975 55 9 18 457.2 HDC00890 900 26 4
10 254 HDC00852 HDC00853 500 27 4 18 457.2 HDC00891 1000 29 5
10 254 HDC00855 650 35 5 18 457.2 HDC00892 1500 44 7
10 254 HDC00856 750 40 6 18 457.2 HDC00893 3000 87 14
10 254 HDC00857 800 43 7 18 457.2 HDC00894 4700 137 21
10 254 HDC00858 HDC00859 1000 54 8 19 482.6 HDC00895 1000 28 4
10 254 HDC00860 HDC00861 1500 80 13 20 508 HDC00896 1000 26 4
10 254 HDC00862 2000 107 17 20 508 HDC00897 1500 39 6
11 279.4 HDC00863 1000 49 8 20 508 HDC00898 3500 91 14
11 279.4 HDC00864 1400 68 11 20 508 HDC00899 4700 123 19
11 279.4 HDC00865 2000 97 15 24 609.6 HDC00900 1000 22 3
12 304.8 HDC00866 HDC00867 500 22 3 24 609.6 HDC00901 2000 43 7
12 304.8 HDC00868 600 27 4 24 609.6 HDC00902 4700 102 16
12 304.8 HDC00869 775 34 5 25¼ 641.4 HDC00903 1500 31 5
12 304.8 HDC00870 900 40 6 30 762 HDC00904 2800 48 8
12 304.8 HDC00871 HDC00872 1000 44 7 36 914.4 HDC00905 3000 43 7
12 304.8 HDC00873 HDC00874 1500 66 10
Model Numbers listed are cartridge heaters terminated with Type N termination 254 mm (10') long leads.
Other Watt Densities and heater lengths up to 1829 mm (72”) may be available on special order
For other terminations and options see Modifications & Options for HDC.
Contact OMEGA for part numbers and pricing.
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