4" ABFT 3.1K filter, amiad

amiad
047521
ex Shipping kg
    Delivery time:6-10 W Days
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Filter Max. Flow Rate 80 m3/h [352 gpm]Heavy duty, High Flow, In-Line Automatic Filter for High Dirt Loads.

Automatic self cleaning screen filter, brush type. Carbon Steel Filter Body with Epoxy coating - Filtration area 3100 sq mm - ABFT 3.1K (DN 80-100) - 380 VAC Control Panel included

ABTF Filters Amiad Technical Guide 

General
Amiad ABFT Automatic Filters are first-rate solutions to protect the main process lines from heavy dirt loads and large particles. Amiad ABFT Series consists of heavy duty filters with an electric self-cleaning mechanism. The ABFT Series is available for flow rates from 25 m3/h / 110 gpm up to 5,700 m3/h / 25,000 gpm per vessel, with filtration elements ranging from 200-10,000 micron, with inlet/outlet flanges available up to DN900/36” diameter.

The ABFT Filter Filtering Process
Raw water enters the inside of patented “cross screen” cylinder from the filter’s inlet and flows through the screen to the filter’s outlet. The gradual dirt building up on the inner screen surface causes a filter cake to develop with a corresponding increase in the pressure differential across the screen. A pressure differential switch senses the pressure differential when it reaches the preset value or after a preset time has elapsed, and the cleaning process begins.

The ABFT Filter Self-Cleaning Process
Cleaning of the filter is carried out by a brush system. The exhaust valve opens and the drive unit starts to rotate the stainless steel/nylon brushes, which sweep the inner surface of the cylindrical screen. The particles trapped on the screen are dislodged by the brushes and flushed out the exhaust valve. During the self-cleaning process, filtered water continues to flow.

The ABFT filter Control System
The control system operates with a switch that senses the pressure differential across the screen and sends a signal to the control board when it reaches a pre-defined value (usually 0.5 bar/7 psi), or when the predefined time elapsed; then, the control board initiates the self-cleaning process.

The ABFT Filter self-cleaning cycle is initiated as a result of any of the following:
• Receiving a signal from the pressure differential switch
• Time interval parameter set at control board
• Manual start

Other construction materials & coatings for corrosive use, such as Stainless Steel 304 Or SS 316 Filter Body are available upon request.

Amiad ABFT Filter Document Standardization with separate pricing, According to the Orders Requirement with separate pricing. 

Level I-Standard Certificates
Hydrostatic Test Report  and IOM  without any additional charge.

ABFT Filter Level II-Requires intervention during the production Process. With additional extra CHARGE.
- Material certificates
- Dimensional Control Report
- Rubber Lining Control Report (if any)
- Paint Inspection Report
- FAT Report

ABFT Filter Level III- Complex certificates. Requires pre-Production preparation.  With additional extra CHARGE.
- WPS, PQR, WPQ
- Welding inspection Log
- NDT PT and VT for standard projects
- ITP 
- Design Calculation ASME Sec VII. Div. 1

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