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SG-420 Duct Board Grooving Machine

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The Glass Master SG-420 Grooving Machine allows a shop to fabricate standard Fiberglass Duct Board into an inner wall insulation on round Spiral Duct. Compared to traditional Double Wall Spiral that has a perforated inner wall wrapped by unfaced liner and covered with an outer shell of Galvanized, Grooved Duct Board allows the duct shop to reduce fabrication time and material cost by nearly 50% without a corresponding loss in acoustical or thermal performance. From an installation perspective the difference could be even more significant because Spiral Duct with Grooved Duct Board is half the weight and bypasses the need for a fabricated double wall flange connector in favor or single flanges or slip couplings.

Four drive rollers and a ¾ HP motor provide the grip and power to quickly pull duct board through (19) – 18° Vee blades, (1) – 9° Flap blade, and (1) standard cut-off blade. Quick release clamps on all tools allow for fast and easy adjustment.

Owens Corning Quiet R Ductboard grooved by SG-420 Ductboard Machine

 

Standard Features

Rugged structural steel construction
Durable powder coat finish
Foot-actuated switch for safe, dependable operation.
Easy access to all working parts.
Swivel casters, two with brakes

Optional Accessories

Tool Sets with blades for 1″, 1-1/2″ and 2″ board
Board support arms (set of 3)
Catch table
Tool support bar

Specifications

Length: 130″
Depth: 41″
Height: 49″
Weight: 1,500 lbs

Technical Info

Power requirements: 120V, single phase, 50hz or 60hz. Less than 15 amps required at maximum load.
Board feed rate: one linear foot per second (0.3 m/s)

Pricing (Effective January 1st, 2024):

SG-420 Duct Board Grooving Machine only*:

GM-DBMACH-SG420

#645937 – Base Machine [10420] Groove-Master SG-420 $28,875.00 + Factory Crating Charge : $300.00 USD

Heavy Duty Groover fully adaptable for spiral, rectangular and square duct in all thicknesses and densities of board through 2” (50mm). Complete with casters and removable legs.

*Tool Sets, Blades and Accessories Sold Separately*

18° Spiral Duct Tool Sets with Blades
GM-TOOLING420-1 #208645 Tool Set – SG-420 1″/1.5″ $4,725.00 USD
GM-TOOLING420-2 #208644 Tool Set – SG-420 2″ $4,564.00 USD

18° Spiral Duct Replacement Blade Sets Only
GM-BLADE420-1 #208856 Blade Set – SG-420 1.0″/1.5″  $1,365.00 USD
GM-BLADE420-2 #208860 Blade Set – SG-420 2.0″  $2,024.10 USD

(Optional) Accessories:
#208864 Duct Board Support Arms (Set of 3) [13090] $447.80 USD
#208866 Duct Board Catch Table [13092] $914.40 USD
#208870 Tool Support Bar (Spare Tool Bar) [13095] $220.80 USD

(Optional) Rectangluar Duct Tool Sets with Blades:
#208639 Tool set with 1″ blade for SG-220 Ductboard Grooving Machine [11820] $1,207.50 USD
#208646 Tool set with 1.5″ blade for SG-220 Ductboard Grooving Machine [11860] $1,260.00 USD
#208648 Tool set with 2″ blade for SG-220 Ductboard Grooving Machine [11861] $1,365.00 USD

Item Codes:

GM-DBMACH-SG420 Glassmaster SG-420 Ductboard Grooving Machine #645937
GM-BLADE420-1 1″ / 1.5″ Replacement Blades for SG-420
GM-BLADE420-2 2″ Replacement Blades for SG-420
GM-TOOLING420-1 1″ / 1.5″ Complete Tooling and Blade Set
GM-TOOLING420-2 2″ Complete Tooling and Blade Set SG420
GM208864 #13090 Duct Board Support Arms Set of 3
GM208866 #208866 Catch Table
GM208870 #208870 Spare Tool Bar

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