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Toftejorg SaniMidget Rotary Spray Head

00001145
Sanitary, Low-Flow Cleaning
Toftejorg SaniMidget Rotary Spray Head

Application

The Toftejorg SaniMidget is an efficient replacement for traditional static spray balls as it uses low volumes of liquid at low pressure. The device, particularly well-suited to sanitary applications, can be used in tanks ranging from 0.1 to 10 m3 (27 to 2,700 US gallons).

Sizing/selection and installation drawing are available in Alfa Laval CAS tool for Tank cleaning equipment.

Working principle

The flow of the cleaning media causes the head of the Toftejorg SaniMidget to rotate, with fan jets laying out a swirling pattern throughout the vessel. This generates a vibrating impact and cascading flow that covers all internal surfaces of the tank or reactor. The device’s self-cleaning feature is achieved by directing the cleaning media through the rotating bearing track and onto the neck of the elongated head.

Spray Pattern

360° 270° up 180° down Low Flow 220° up

Standard Design

As standard documentation, the Toftejorg SaniMidget can be supplied with a “Declaration of Conformity” for material specifications or 3.1.B certification for metallic parts. The device is available in an electro-polished version as well as in hastelloy C22 (balls in hastelloy C276) with 3.1.B certification for metallic parts.

ATEX approved, Category 1 for installation in zone 0/20


Materials

(*FDA approved 21 CFR § 177.1550)

Inlet connections: 1.4404 (316L)
Bearing race parts: SAF 2205 (UNS31803)
Balls: 1.4404 (316L)/PTFE*
Head: 1.4404 (316L)

Technical Data

Weight: Thread and clip-on: 0.30 kg (0.66 lbs)On pipe: 0.55/0.90 kg (1.21/1.98 lbs)
Lubricant: Self-lubricating with the cleaning fluid
Working pressure: 1 - 3 bar (14.5 - 44 psi)
Recommended pressure: 2 bar (29 psi)
Max. working temperature: 95 °C (203 °F)
Max. ambient temperature: 140 °C (284 °F)
Wetting radius: Max. 3 m (10 ft)
Impact cleaning radius: Max. effective 1.4 m (4 ft)
Connections: 3/4” Rp (BSP) or NPTthreadClip-on or weld-on for pipe:ISO 2037, ASTM A270, BS4825 part 1, DIN11850 R1, DIN11850 R2 & ASME BPE US,

Certificate:

2.2 - 3.1.B - ATEX

Ordering

Please specify desired spray pattern, required connections, material selection and type of certification required. Please also confirm the application suitability.

Options

Downpipes with Tri-Clamp and flange connections.

Flow Rate   Cleaning Radius
     
 
   
    For clip-on models, the flow rate is increased by approx 0.5 m3/h.

Dimensions (mm)    
     
TH
3/4”Rp (BSP)
3/4" NPT
ID
ISO: ø25.3
BPE US: ø25.7
DIN Range 1: ø28.3
DIN range 2 :ø29.3
OD x t
ISO: ø25x1.2
BPE US: ø25.4x1.65
DIN Range 1: ø28 x 1
DIN Range 2: ø29 x 1.5

 

 

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