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Valad has manufactured Vent Duct Heaters for 25 years. Our specialty is marine and customized commercial applications. Valad uses the highest grade materials to assure our customers of the finest quality product. We carry a large inventory of Vent Duct Heaters in order to keep lead time to a minimum. Valad manufactures custom sizes to meet individual applications and our engineering staff will assist in your needs, regardless of quantity.

Vent Duct Heaters are manufactured per USCG, IEEE 45 Navy and UL guidelines. Valad’s Vent Duct Heaters are aboard the USS New Jersey and other naval vessels.

Units have been shock tested to MIL-S-901C and vibration tested to MIL-STD 167.

Sizing I/A/W MIL-H-22594A
Unit of Measure

Type

 N/A 51 51A 52 52A 53 53A 54 55 56 57 58 59 60 61 a1073.jpg

Type L (Units Supplied with Flat Oval Tubing)

 N/A VDH21 VDH22 VDH23 VDH24 VDH25 VDH26 VDH27 VDH28 VDH29 VDH30 VDH31 VDH32 VDH33 VDH34 a1074.jpg

Type L (Units Supplied with Monel Round Finned Tubing)

 N/A EH21 EH22 EH23 EH24 EH25 EH26 EH27 EH28 EH29 a1075.jpg

Type M (Units Supplied with Flat Finned Oval Tubing)

 N/A VDH20 VDH21 VDH22 VDH23 VDH24 VDH25 VDH26 VDH27 VDH28 VDH29 VDH30 VDH31 VDH32 VDH33 VDH34 a1076.jpg

Type M (Units Supplied with Monel Round Finned Tubing)

 N/A EH20 EH21 EH22 EH23 EH24 EH25 EH26 EH27 EH28 EH29 a1077.jpg

Type H (Units Supplied with Flat Finned Oval Tubing)

 N/A VDH19 VDH20 VDH21 VDH22 VDH23 VDH24 VDH25 VDH26 VDH27 VDH28 VDH29 VDH30 VDH31 VDH32 VDH33 VDH34 a1078.jpg

Type H (Units Supplied with Monel Round Finned Tubing)

 N/A EH19 EH20 EH21 EH22 EH23 EH24 EH25 EH26 EH27 EH28 EH29 a1079.jpg

Wattage

 N/A 0.5 kW0.58 kW0.65 kW0.8 kW1.0 kW1.2 kW1.26 kW1.52 kW1.8 kW1.9 kW1.93 kW10.8 kW12.3 kW13.4 kW13.5 kW15.3 kW16.2 kW17.2 kW18.2 kW18.3 kW2.7 kW2.9 kW20.0 kW23.5 kW24.3 kW27.3 kW28.5 kW3.0 kW3.6 kW3.74 kW30.2 kW33.9 kW36.0 kW36.2 kW4.5 kW4.59 kW45.0 kW46.4 kW5.4 kW5.5 kW5.74 kW50.5 kW53.8 kW56.3 kW6.76 kW69.2 kW7.2 kW8.5 kW84.0 kW9.1 kW9.26 kW

Phase

 N/A 1 PH 3 PH

Length

 N/A 12 in14 in18 in22 in30 in33 in36 in42 in56 in6 in8 in9 in

Width

 N/A 12-1/4 in15-1/4 in16 in16-3/4 in18-1/4 in18-3/4 in3-1/4 in4 in6 in6-1/4 in8 in9-1/4 in

Depth

 N/A 5-3/4 in6 in8 in

Size

 N/A 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34

Dim. C

 N/A 13 in15 in16 in20 in29 in38 in39 in51 in66 in

Construction

 N/A 16 GA 302/304 stainless steel frame and terminal box All units equipped with Hi-Limit thermostat Flange frame design: 1.5" flange with .406 mounting holes on 3" centers with center hole on 2" center Heating elements 302/304 flat oval tube with fins furnace brazed to sheath Heating elements hermetically sealed

Notes

 N/A Size Type 35 thru 38 call factory. Size Type 35 thru 38 call factory. KW and voltages. I.E.: 220, 380v, 1 or 3 phase staging available.

Units can be supplied with top control box, for use with contactors, transformers, etc. Control box section.

Some units’ controls can be put inside the existing terminal box. Call for assistance.

Suggested Applications

 N/A Navy

Certifications

 N/A I/A/W MIL-H-22594A MIL-STD-167 MIL-STD-901C