Type 9

Filter Holding Frames and Fasteners

Models 9HF-xxxxx

General

Flanders Type 9 Holding Frames are used to con- struct built-up filter banks for upstream or down- stream access using ASHRAE rated filters. Type 9 frames will accommodate 1”, 2” or 4” panel filters including metal washable filters. They are also suit- able for bag filters, self-supporting rigid filters and disposable type carbon elements. A filter-to-frame seal is effected by a factory-installed gasket and positive-sealing fasteners.

Options

The standard frame is nominal 3” deep and con- structed of 16 ga. galvanized steel. Type 304 stainless steel is an available option. Frames are also available in nominal 2”, 4”, and 6” depth. Actual depth is 1/8” under nominal size.

Installation Consideration

Type 9 Frames can be assembled with pop rivets or nuts and bolts. Prior to assembly, all sides should be caulked with a non-hardening compound to pre- vent air bypass. Filter banks three frames high or higher should be strengthened with 3” wide 16 ga. stiffeners between each vertical row.

Fasteners

Flanders offers several types of fas eners for use with Type 9 Frames. Refer to the Fastener Selection Chart on the rever e ide of this sheet to select the appropriate fastener.

Guide Specifications

1.0 Filter olding frames shall be Type 9 as manufac- tured by Flanders.

1.1Frames shall be manufactured of 16 ga. galva- nized steel and furnished with factory-installed gasketing.

1.2In-line depth shall be 3” in order to effect a rigid and secure filter bank assembly. Filter fasteners shall be selected to meet the requirements of the specified filters. Fasteners shall not require the use of tools to secure the filter.

Standard 3 inch Holding F ames

Model

 

Dim

nsions, Inches

 

Number

 

H

 

W

 

D

9HF-12243R

 

12

 

24

 

2-7/8

 

 

 

 

 

 

 

9HF-16203R

 

16

 

20

 

2-7/8

9HF-16253R

 

16

 

25

 

2-7/8

9HF-20203R

 

20

 

20

 

2-7/8

9HF-20243R

 

20

 

24

 

2-7/8

9HF-20253R

 

20

 

25

 

2-7/8

 

 

 

 

 

 

 

9HF-24243R

 

24

 

24

 

2-7/8

Note:

1. Tol ranc

s are +0 inch and -1/16 inch

 

 

2. Special sizes are available upon request

 

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Honeywell 11255 manual Type, Installation Consideration, Fasteners
Page 118 Page 120

11255 specifications

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