Dwyer Instruments SERIES BHC Catalog Page

FILTER WALL

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SERIES BHC

BULK HEAD CONNECTORS

VALVES

Coupling Accessories

BHC35D

ModelAin [mm] BHC20D

BHC35DD

The Series BHC Bulk Head Connectors allow for easy installation of blow tube through the dust collector wall and eliminate the need for welding or use of additional

anges. The ttings enable easy removal and reassembly of blow tubes for cleaning

and maintenance. BHC models are available in single connection for through tube mounting or double connection for two piece tube mounting.

FEATURES/BENEFITS

• Available in single connection or double connection

• Enable easy removal and reassembly of blow tubes

APPLICATIONS

• Dust collectors

BHC20DD BHC25D BHC25DD BHC35D BHC35DD

2-3/8˝ [60.5] 3-19/32˝ [91] 2-23/32˝ [69] 3-31/32˝ [101] 2-15/16˝ [75] 4-11/32˝ [110]

B in [mm]

2-5/16˝ [58.5] 2-5/16˝ [58.5] 2-3/4˝ [70] 2-3/4˝ [70] 3-15/32˝ [88] 3-15/32˝ [88]

D in [mm]

1-25/32˝ to 2˝ [45 to 51] 1-25/32˝ to 2˝ [45 to 51] 2-7/32˝ to 2-7/16˝ [56 to 62] 2-7/32˝ to 2-7/16˝ [56 to 62] 2-27/32˝ to 3-1/16˝ [72 to 78] 2-27/32˝ to 3-1/16˝ [72 to 78]

SPECIFICATIONS Service: Compatible gases.

Wetted Material: Body, ring nut, DIN nut: Aluminum; Washer: SS41; Gasket: NBR. Pressure Limits: 124.7 psi (8.6 bar). Temperature Limits: -4 to 185°F (-20 to 85°C).

MODEL CHART Model Size Connections Model Size Connections BHC20D

BHC20DD BHC25D

ACCESSORIES Model Description A-237 Mufer

Min L in [mm]

3-27/32˝ [97] 3-27/32˝ [97] 4-21/32˝ [118] 4-21/32˝ [118] 6-3/16˝ [157] 6-3/16˝ [157]

3/4˝

One

3/4˝

Two

1˝

One

BHC25DD BHC35D BHC35DD

1˝ 1-1/2˝ 1-1/2˝

OUTBOARD BLOWTUBE

Two

One

Two

MOUNTING HOLE ØD

BLOWTUB

MOUNTING HOLE ØD

INBOARD

BLOWTUBE