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These design considerations collectively employ a systems approach to solving the problem, including the use of statically conductive air ducts and a properly grounded, electrical power source.

Air ducts normally used for ventilating a nonhazardous confined space are fabricated from material such as a vinyl impregnated polyester that does not conduct a static charge buildup. Air ducts used for ventilating a hazardous location type confined space are fabricated from a special manufacturing process. The materials are designed to conduct and dissipate the electrical charges created by the movement of air during the ventilation process. Without this added conductive property, air movement would create static electrical charges on the duct surface that have no method of dissipation. Just touching the duct could allow the charge to dissipate in the form of a random spark. This could be the ignition source of an explosion if the blower is being operated in the appropriate hazardous atmosphere.

However, with the EP8HL blower the statically conductive air duct allows a static electrical charge to be effectively conducted through its length until it is eventually dissipated through the ground wire of the electric power cord. The EP8HL blower is designed so only the statically conductive ducts can be used with it, thereby eliminating the possible use of a standard, non conductive duct in a hazardous atmosphere.

Blowers Hazardous Materials

SCHL825 – Storage Canister

– For SCFD825 collapsible duct.
– Heavy duty, welded, aluminum construction with full, protective cover and carry handle.
– Bright enamel finish.
$243.00
– 8 in. diameter x 25 ft. length.
– Wire helix reinforced with anti-scuff strip.
– Complete with aluminum attachment cuff and static ground leads.
– For use with the Model EP8HL Blower only.
$751.00
– 8 in. diameter x 15 ft. length.
– Wire helix reinforced with anti-scuff strip.
– Complete with aluminum attachment cuff and static ground leads.
– For use with the Model EP8HL Blower only.
$475.00

Blowers Hazardous Materials

EP8HL-1300 – Female Extension Cord Plug

-Female extension cord plug
Appleton ECCL2023 or equivalent rated for hazardous location use.
-For use in constructing hazardous location rated extension cords.
-Connects directly to the Appleton NCP2023 Male Extension Cord Plug provided as standard equipment with the EP8HL Blower.
$578.00
Male extension cord plug
Appleton NCP2023 pr equivalent rated for hazardous location use.
For use in connecting two EP8HL-1000 extension cords together in a hazardous location.
$210.00
– 100 ft., CSAxae rated, extra hard usage type 10-3 AWG cable, complete with Appleton ECCL203 or equivalent receptacle rated for hazardous location use on one end.
– To meet the hazardous location specification, this receptacle must be utilized with Appleton NCP2023 or equivalent cord cap only. The other end of the extension cord features capped wire terminals to allow for various wiring options. The extension cord can be “soft” wired according to National Electric Codexae specifications.
$1,075.00
– 50 ft., CSAxae rated, extra hard usage type 10-3 AWG cable, complete with Appleton ECCL203 or equivalent receptacle rated for hazardous location use on one end.
– To meet the hazardous location specification, this receptacle must be utilized with Appletonxa0NCP2023 or equivalent cord cap only. The other end of the extension cord features capped wire terminals to allow for various wiring options. The extension cord can be “soft” wired according to National Electric Codexae specifications.
$0.00
– 1/3 HP (23kw), 1725 RPM, 60Hz, 115 Volts, AC, Single Phase
– Speed Control: Single Speed
– Blower: Radial, Cast aluminum, Steel Wheel Type 8 Inch Nonumal Diam. inlet.Outlet
– 1277.4 CFM (35.7 m3/min)
– One 90 Degree Bend: 738 CFM (20.7 m3/min)

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EP8HL HAZARDOUS LOCATION AIR VENTILATION BLOWER

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8 inch inlet and outlet diameter. Certified by Canadian Standards Association (CSA) for use in National Electric Code Class I Group D, Class II Group G and Class III hazardous location atmospheres and non hazardous atmospheres. Less statically conductive duct.

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Specifications:

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POWER SOURCE
Type: 1/3 HP (23kw), 60Hz, 115 Volts, AC, Single Phase
RPM: 1725
Speed Control: Single Speedxa0

BLOWER
Type: Radial
Material: Cast aluminum
Wheel Type: Steel
Size: 8 inch (203 mm) Nominal Diam. inlet/ Outlet

GENERAL
Mounting: Rubber
Type: Anti-Virbration
Weight: 53 lbs (24 kg)

DIMENSIONS
Height: 19-3/4 inch (502 mm) Length: 18-1/4 inch (464 mm) Width: 14-1/2 inch (368 mm)

FLOW RATES
Free Air: 1277.4 CFM (35.7 cmm
One 90 Degree Bend: 738 CFM (20.7 cmm)
Two: 90 Degree Bends: 578.8 CFM (16.2 cmm)

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04/24/15
$1,616.00