Ruskin Manufacturing								May 1999
3900 Dr. Greaves Road
Kansas City, Missouri  64030
Phone		(816) 761-7476
Fax		(816) 765-8955
Web Site	www.ruskin.com

Product Guide Specification

Specifier Notes:  This product guide specification is written according to the Construction Specifications Institute (CSI) Format, including MasterFormat (1995 Edition), SectionFormat, and PageFormat, contained in the CSI Manual of Practice.

The section must be carefully reviewed and edited by the Engineer to meet the requirements of the project and local building code.  Coordinate this section with other specification sections and the drawings.

Delete all "Specifier Notes" when editing this section.	

SECTION 15820

INLET VANE DAMPERS

Specifier Notes:  This section covers Ruskin  inlet vane steel dampers for Class I and II fans, Model IVD.  Consult Ruskin for assistance in editing this section for specific applications.	

PART 1	GENERAL

1.1	SECTION INCLUDES

A.	Inlet vane steel dampers for Class I and II fans.

1.2	RELATED SECTIONS

Specifier Notes:  Edit the following list as required for the project.  List other sections with work directly related to the dampers.	

A.	Section 15810 - Ducts.

B.	Section 15900 - Damper Controllers.

1.3	REFERENCES

A.	AMCA 500 - Test Methods for Louvers, Dampers and Shutters.

1.4	SUBMITTALS

A.	Comply with requirements of Section 01330 - Submittal Procedures.

B.	Product Data:  Submit manufacturer's product data, including leakage, pressure drop, and maximum pressure data in accordance with AMCA 500 testing.  Submit data for full range of damper sizes.

C.	Shop Drawings:  Submit shop drawings indicating materials, construction, dimensions, and installation details.

1.5	DELIVERY, STORAGE, AND HANDLING

A.	Delivery:  Deliver materials to site in manufacturer's original, unopened containers and packaging, with labels clearly indicating manufacturer, material, and location of installation.

B.	Storage:  Store materials in a dry area indoors, protected from damage and in accordance with manufacturer's instructions.

C.	Handling:  Protect materials and finishes during handling and installation to prevent damage.

PART 2	PRODUCTS

2.1	MANUFACTURER

A.	Ruskin:  3900 Dr. Greaves Road, Kansas City, Missouri 64030.  Phone (816) 761-7476.  Fax (816) 765-8955.  Web Site www.ruskin.com.

2.2	INLET VANE DAMPERS

Specifier Notes:  Specify Model IVD.  Consult Ruskin for assistance in selecting from options for specific applications.	

A.	Fabrication:
1.	Model:  IVD
2.	Frame:  Steel circular channel.
a.	Flange:  [1.5 inches x minimum 10 gage (38 x minimum 3.5 mm)] [2 inches x minimum 0.25 inches (51 x minimum 6.4 mm)].
b.	Web:  [9 inches (229 mm)] [10 inches (254 mm)] [11 inches (279 mm)].
c.	Bolt Holes:  [One flange] [Both flanges].
3.	Blades:  Minimum 16 gage (1.6 mm) steel.
4.	Axles:  Minimum 0.5 inch (13 mm) diameter plated steel rod.
5.	Bearings:  Stainless steel.
6.	Thrust Washers:  Stainless steel.
7.	Hub:  [Open] [Flat cap] [Bullet nose].
8.	Inlet Air Rotation:  [Clockwise] [Counterclockwise].

Specifier Notes:  Actuator selection, mounting on damper, and pretest cycling will be performed by Ruskin .  Consult Ruskin for additional testing and mounting configurations of Ruskin supplied actuators.	

9.	Actuator:  [Manual, hand quadrant] [Manual, crank lever] [Electric, 120 V, 60 Hz, two-position, spring-return] [Electric, __________ ] [Pneumatic, 20 to 30 psi (138 to 207 kPa) supply air pressure, two-position, spring-return] [Pneumatic, __________ ].

Specifier Notes:  Standard finish is aluminum paint.  Consult Ruskin for assistance in specifying special materials and finishes for specific applications.	

10.	Finish:  Aluminum paint.
11.	Maximum Operating Temperature:  [200 degrees F (93 degrees C)] [ __________ ].
12.	Assembly:  Factory assemble damper components.

Specifier Notes:  Heavier duty dampers are available for applications not covered by standard construction.  Consult Ruskin for additional information.	

B.	Performance Data for Damper Inside Diameter of 65 inches (1,651 mm):
1.	Maximum Air Flow:  44,500 cubic feet per minute (1,260 m3/min).
2.	Maximum Static Pressure:  5 inches w.g. (1.2 kPa).

C.	Performance Data for Damper Inside Diameter of 12 inches (305 mm):
1.	Maximum Air Flow:  11,000 cubic feet per minute (312 m3/min).
2.	Maximum Static Pressure:  8 inches w.g. (2.0 kPa).

2.3	SOURCE QUALITY CONTROL

A.	Factory Tests:  Factory cycle damper and actuator to assure proper operation.

PART 3	EXECUTION

3.1	EXAMINATION

A.	Examine areas to receive dampers.  Notify the Engineer of conditions that would adversely affect the installation or subsequent utilization of the dampers.  Do not proceed with installation until unsatisfactory conditions are corrected.

3.2	INSTALLATION

A.	Install dampers at locations indicated on the drawings and in accordance with manufacturer's instructions.

B.	Install dampers round and free from distortion.

END OF SECTION