SINGLE LATCHES
L
FORM
KNOCK ON CONVERSION LATCH
L Note: Four (4) latches are reccomended per frame
York Part Number | Vendor Part Number |
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| Latch Model Number | Length (L) | |
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| 5/32” | ||||
Application: Holds DriPak, VariCel or 1” filter in AAF Universal Holding Frame (UHF). |
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| 11/16” | ||||
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Application: Holds 2” thick filter. Also holds DriPak or VariCel with a 1" prefilter in AAF UHF. |
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| 2” | ||||
Application: Holds | DriPak or VariCel with a 2” prefilter in AAF UHF. |
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Application: Holds | two 2” or one 4” deep filter in AAF UHF. |
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Application: Holds DriPak or VariCel with a 4” prefilter in AAF UHF. |
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| L10 - Knockon | 11/16” | |||
Application: Holds DriPak, VariCel or 1” filter. |
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| L20 - Knockon | ||||
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Application: Holds 2” thick filter. Also holds DriPak or VariCel with a 1" prefilter. |
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| L40 - Knockon | ||||
Application: Holds two 2” filters or one 4" deep filter. |
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See HEPA filter section for HEPA filter latch part numbers and application. |
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DOUBLE LATCHES
Prefilter can be changed without disturbing the final filter
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| York Part Number | Vendor Part Number |
| Drawing Number |
| Latch Model Number | Length |
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| 11/16” |
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| Application: Holds VariCel II or 4” AmAir with a 1” prefilter in AAF UHF |
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| Application: Holds VariCel II or 4” AmAir with a 2” prefilter in AAF UHF |
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| Application: Holds VariCel II or 4” AmAir with a 4” prefilter in AAF UHF |
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| Note: Four (4) latches are reccomended per frame. |
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| General Information: Latches are made of .102" diameter zinc plated dipped spring steel. |
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| KNOCK ON SPRING LATCH, VARICEL DH |
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| York Part Number |
| Vendor Part Number |
| Latch Model Number |
| Description |
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| Service |
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| Upstream or Downstream |
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| Application: Holds a 12” deep double header VariCel in a FARR Universal Type 8 Holding Frame. (Can be used with AAF Universal |
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| Holding Frames or other manufacturers frames). |
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| PREFILTER RETAINER CLIP, VARICEL DH |
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| York Part Number | Vendor Part Number | Latch Model Number |
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| Service |
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| 2” Clip |
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| Upstream |
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| 4” Clip |
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| Upstream |
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| Application: Holds a 2” or 4”prefilter respectively, against the face of a DH VariCel. Can also be used on a SH VariCel installed in |
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| a DriPak Holding Frame. |
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| Prefilter Retaining Clips are made of zinc plated yellow chromated dipped steel |
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FIG. 15 - UNIVERSAL FRAME LATCH SELECTION |
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YORK INTERNATIONAL |
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| 57 |