DAH-63

Series DAH Pneumatic Hammer Impactor (Steel)

DAH Single Impact Pneumatic Hammers produce a shockwave generated by a single impact of an internal piston on the metallic base welded on the vessel wall. This action is particularly efficient if the powder at issue tends to pack under pressure or stick to the wall. Moreover, DAH is an efficient solution against bridging or rat-holing problems.
DAH Single Impact Pneumatic Hammers are particularly suitable for retrofitting to existing cones or hoppers since the drilling of the wall is not required.
Operation should be intermittent at a pressure ranging from 3 to 6 bar (44 ~ 87 PSI).
When operating multiple hammers, those at the bottom should be activated first, moving progressively upwards at regular intervals to the remaining ones.
DAH robust design is suitable for both outdoor and indoor application. External body parts are manufactured from galvanized steel.
DAH are supplied with a mounting plate, which has to be welded to the wall, as well as a safety chain preventing accidental dropping during installation or maintenance.
To satisfy all market demands DAH is available in three different sizes.

 

Features

  • Application: hopper and silo
  • Powder: hydroscopic
  • Problem solving: bridge and rat-holing
  • Duty cycle: discontinuous
  • Working pressure: From 3 bar to 6 bar (from 43 psi to 87 psi)
  • Pneumatic circuit: filter + flow control valve
  • Air supply quality: class 5.4.1.
  • Working temperature: From -20 degrees C to 80 degrees C (-4 degrees F to 176 degrees F) 
  • Max noise level: 125 dB(a)
  • Technology: singe impact
  • Material: steel body, steel attachment plate, DAH40-63 nylon (DAH80 aluminum) head

Options:

  • Kit ATEX: II3D c T85 degrees C – PP plate, technothane tablet
  • Timer: Adjustable from 30 sec to 45min
  • Multi-Tension Coils: From 24v (ac/dc) to 230v
  • Fully pneumatic kit: available
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Overall Dimensions

DAH-63

A 163 mm 6.42 in
B 20 mm 0.79 in
C 282 mm 11.10 in
D 259 mm 10.20 in
Weight 14.4 kg 31.75 lbs

Technical Data

DAH-63

Product Attributes

Technology

Piston - Single Impact

Force Applied

Linear Impacting (Hammer)

Power Source

Air

Frequency (Max)

Very Low - Adjustable Impacts/Min

Amplitude

High

Air Consumption

Very Low

Noise

Moderate

Air Prep Required

Filter (5 Micron)-Regulator-Lubricator

Maintenance

Occasional Cleaning

Force Output (Max)

286 Force Lbs

Force Output Adjustment

Timer & Air Pressure Regulation

General Applications

Eliminating Bridging & Ratholing, Removing Sticky, Hygroscopic Powders from bin, silo, Hopper Walls Best used for Spray Dryer, Pipes, Weigh Hoppers, Cyclones,Dust Collectors & Non Storing Containers

General Industries

TONER MANUFACTURE, BULK MATERIAL HANDLING,AGRICULTURE, CHEMICAL,FOOD PROCESSING,PACKAGING,PHARMACEUTICALS, PLASTICS, STEEL & FOUNDRY

Material in Tapered Portion of Bin (Max)

for Wall Thickness 3mm - 5mm

Features & Benefits

  • Single Impact
  • Simulates Hammer Blows
  • High Amplitude
  • Precise Control - Steel Alloy Body
  • C/W Intergal Solenoid

Air Inlet Size

1/8" BSPP

Weight

36.38 lbs

Product Industries

Product Applications