Hanger Accessories

Single and Double Rod Hangers, Nuts, Washers & Threaded Rods

Weights and Sizes of Single and Double Rod Hangers
Size Wgt.(Lbs.) Size Wgt.(Lbs.) Size Wgt. (Lbs.) Size Wgt.(Lbs.)
3″ .5 12″ 1.3 24″ 3.8 42″ 6.4
4″ .6 13″ 1.4 26″ 4.1 44″ 6.7
5″ .7 14″ 1.4 28″ 4.3 46″ 6.9
6″ .7 15″ 1.5 30″ 4.7 48″ 7.2
7″ .8 16″ 1.6 32″ 4.9 50″ 7.5
8″ .9 17″ 1.7 34″ 5.2 52″ 7.8
9″ 1.0 18″ 1.8 36″ 5.5 54″ 8.1
10′ 1.1 20″ 1.9 38″ 5.8 56″ 8.4
11″ 1.2 22″ 3.5 40″ 6.1 60″ 9.1
Sizes thru 20″ are 1-1/2″ x 16 gauge
Sizes 22″ and above are 2″ x 14 gauge

Vertical Ducts

Maximum Diameter of Round Ducts Straps Description
10″ 0.047″ (No. 18 gauge) galvanized steel 2″ wide
20″ 0.058″ (No. 16 gauge) galvanized steel 2″ wide
40″ 1/8″ steel x 1-1/2″*
60″ 1/8″ steel x 2″*
Over 60″ 3/16″ steel x 2″*

Horizontal Ducts

Maximum Diameter of Round Ducts Straps Description
10″ Same gauge as galvanized steel duct, 1’’ wide or (No. 8 gauge galvanized steel wire) on 10’ centers
20″ Same gauge as galvanized steel duct, 1’’ wide or (No.8 gauge galvanized steel wire) tied to 1’’ 40” galvanized steel band around duct on 10’ centers1/8″ steel x 1-1/2″*
40″
60″ Same gauge as galvanized steel duct, 1-1/2’’ wide on 6’ centers
Over 60″ Same gauge as galvanized steel duct,
1-1/2’’ wide on 4’ centers

Reproduced from International Uniform Mechanical Code. As local codes differ, it is the responsibility of the user to determine that hangers listed will satisfy local regulations. Spiral Manufacturing Co., Inc. assumes no responsibility other than the sizes and material listed in the Spiral Standard Hangers table above.

Hanger Accessories

Hardware supplied upon request.

  • 10’ by 1’’ Hanger Strap, 16 gauge, 25 per bundle.
  • 100’ by 3/4’’ Hanger Band Rolls, 24 gauge, slotted.

Hanger Accessories

Beam clamps, struts and Speed Link®

Sammy Screws (BCW)

Sammy screws are designed to quickly fasten threaded rod to wood beams and trusses. They are available in 3/8″ and 1/2″ sizes.

 

 

Beam Clamp (Model 300(BC))

Malleable iron casting with a hardened cup point set screw and locknut. UL Listed. Set screw must be tightened onto the sloped side of the I-Beam, channel or angle iron flange and torque to 60 inch pounds. May be mounted in either position.

beam clamp

RS Rod Size D F T Max. recom. load (lbs.)
Top Bottom
3/8″ BC 1-1/8″ 3/8″ 3/8″ 500 250
1/2″ BC 1-1/16″ 1/2″ 1/2″ 950 760

 

Strut

1-5/8″ x 1-5/8″ 12 Ga. Half-Slot (HS)
1-1/8″x9/16″ slots punched on 2″ centers

Universal Support System

Click here for engineering data sheet and part numbers.

The Universal Support System is a standalone hanging system that supports a wide variety of applications. This system
comprises a galvanized steel aircraft cable with integral, self-locking hook and a patented locking device that allows quick installation and release for adjustment or removal. The system is available in 2mm and 3 mm cable sizes, which support 100lb. and 200 lb. loads respectively. Both have a 5-to-1 safety factor.

Installation

installation of universal support system

Thread locking
device onto cable
Fasten cable to beam with beam clamp Or wrap cable around beam

installation of universal support system

Wrap cable
around duct
Thread cable back through locking device Release cable with un-locking tool or small screwdriver

The Universal Support System is cULus® listed and has a DIN 4102-2 F30-A fire rating of 30 minutes for 2mm wire rope and an F60-A rating of 60 minutes for 3mm wire rope.