Typical industries

Food, grain, milling, animal feed, plastics, glass

Aggregates, grain, cement

Cement, mineral processing

Food, grain, milling, animal feed, chemicals, plastics, glass, cement, mineral processing

Food, grain, milling, animal feed, chemicals, plastics, glass, cement, mineral processing

Cement, mineral processing, mining

Typical applications

Monitoring of
food ingredients,
pet food blending, plastic pellet production, silica sand in glass making

Grinding mill rejects in cement, load-out of grains and seeds

Cement in aerated gravity conveyor

Fly-ash, lime dosing, cement flow and control in mining, flour stream monitoring

Fly-ash load-out, lime dosing, gypsum flow

Powders and granulates conveyed by aerated gravity conveyors, fly-ash load-out, precipitator dust

Typical capacity

1 … 200 t/h
(4 … 220 STPH)

200 … 900 t/h
(220 … 990 STPH)

200 … 900 t/h
(220 … 990 STPH)

Sensing element dependent, see 'Sensing element' chart below.

Sensing element dependent, see 'Sensing element' chart below.

Sensing element dependent, see 'Sensing element' chart below.

Volumetric capacity

90 m³/h (3 178 ft³/h)

500 m³/h (17 657 ft³/h)

600 m³/h (21 189 ft³/h)

40 t/h: 90 m³/h (3 178 ft³/h)
300 t/h: 290 m³/h (10 241 ft³/h)

40 t/h: 96 m³/h (3 390 ft³/h)
300 t/h: 230 m³/h (8 122 ft³/h)

40 t/h: 178 m³/h (6 286 ft³/h)
300 t/h: 545 m³/h (19 246 ft³/h)

Maximum particle size

13 mm (0.5 inch)

25 mm (1 inch)

25 mm (1 inch)

Sensing element dependent, see 'Sensing element' chart, page 6/5.

Sensing element dependent, see 'Sensing element' chart, page 6/5.

Sensing element dependent, see 'Sensing element' chart, page 6/5. 

Ambient temperature

-20 ... +65 ?C
(-4 ... +150 ?F)

-40 ... +65 ?C
(-40 ... +150 ?F)

-40 ... +65 ?C
(-40 ... +150 ?F)

-40 ... +60 ?C
(-40 ... +140 ?F)

-40 ... +60 ?C
(-40 ... +140 ?F)

-40 ... +60 ?C
(-40 ... +140 ?F)

Maximum process temperature

65 ?C (150 ?F)

100 ?C (212 ?F)

100 ?C (212 ?F)

232 °C (450 °F)

232 °C (450 °F)

232 °C (450 °F)

Inlet sizes

100 … 250 mm (4 … 10 inch) in universal ANSI/DIN flanges

305 x 533 mm
(12 x 21 inch)
305 x 635 mm
(12 x 26 inch)

406 x 635 mm
(16 x 25 inch)
508 x 940 mm
(20 x 37 inch)

Sensing element dependent, see 'Sensing element' chart, page 6/5.

Sensing element dependent, see 'Sensing element' chart, page 6/5.

Sensing element dependent, see 'Sensing element' chart, page 6/5.

Accuracy¹⁾

± 1 % (33 … 100 % of rate)

± 1 % (33 … 100 % of rate)

± 1 % (33 … 100 % of rate)

± 1 % (33 … 100 % of rate)

± 1 % (33 … 100 % of rate) 

± 1 % (33 … 100 % of rate) 

Repeatability

± 0.2 %

 ± 0.2 %

± 0.2 % 

± 0.2 % 

± 0.2 % 

± 0.2 % 

Options

304 or 316 stainless steel, bead blast finish (1 ... 6 ?in, 4 ... 240 ?in) construction (meets FDA
and USDA requirements for food processing)

304 or 316 stainless steel, bead blast finish (1 ... 6 ?in, 4 ... 240 ?in) construction (meets FDA
and USDA requirements for food processing)

304 or 316 stainless steel, bead blast finish (1 ... 6 ?in, 4 ... 240 ?in) construction (meets FDA
and USDA requirements for food processing)

• 304 or 316 stainless steel, bead blast finish (1 ... 6 ?in, 4 ... 240 ?in) construction (meets FDA and USDA requirements for food processing)
• Food grade epoxy coating on sensing head

• 304 or 316 stainless steel, bead blast finish (1 ... 6 ?in, 4 ... 240 ?in) construction (meets FDA and USDA requirements for food processing)
• Food grade epoxy coating on sensing head

• 304 or 316 stainless steel, bead blast finish (1 ... 6 ?in, 4 ... 240 ?in) construction (meets FDA and USDA requirements for food processing)
• Food grade epoxy coating on sensing head

Sensing
element

One triple beam
parallelogram
style, stainless
steel, strain
gauge load cell

Two triple beam
parallelogram
style, stainless
steel, strain
gauge load cells

Two triple beam
parallelogram
style, stainless
steel, strain
gauge load cells

Deflection measurement using LVDT (linear variable differential transformer)

Deflection measurement using LVDT (linear variable differential transformer)

Deflection measurement using LVDT (linear variable differential transformer)

Sensing plate

• 304 stainless steel
• Option: 316 stainless steel

• 304 stainless steel
• Option: 316 stainless steel

• 304 stainless steel
• Option: 316 stainless steel

• 304 stainless steel
• Option: 316 stainless steel

• 304 stainless steel
• Option: 316 stainless steel

• 304 stainless steel
• Option: 316 stainless steel

Liners

• PTFE
• Polyurethane

• Polyurethane
• Alumina ceramic

• Polyurethane
• Alumina ceramic

• Plasma A/R
• PTFE
• Polyurethane
• Alumina ceramic

• Plasma A/R
• PTFE
• Polyurethane
• Alumina ceramic

• Plasma A/R
• PTFE
• Polyurethane
• Alumina ceramic

Approvals

CE , RCM, CSA, FM, ATEX, IEC Ex, EAC

CE , RCM, CSA, FM, ATEX, IEC Ex, EAC

CE , RCM, CSA, FM, ATEX, IEC Ex, EAC

CE , RCM, EAC

CE , RCM, EAC

CE , RCM, EAC

Capacity range

• SITRANS WFS300

0.2 … 40 t/h (0.2 … 44 STPH)

0.2 … 40 t/h (0.2 … 44 STPH)

0.2 … 40 t/h (0.2 … 44 STPH)

• SITRANS WFS320

20 … 300 t/h (22 … 330 STPH)

 20 … 300 t/h (22 … 330 STPH)

20 … 300 t/h (22 … 330 STPH) 

Particle size (max.)

• SITRANS WFS300

12 mm ( 0.5 inch)

12 mm ( 0.5 inch)

3 mm (0.13 inch)

• SITRANS WFS320

25 mm (1 inch)

25 mm (1 inch)

3 mm (0.13 inch)

Inlet sizes

• SITRANS WFS300

50 … 250 mm (2 … 10 inch)
(ASME or DIN flanges)

• 76 x 152 mm (3 x 6 inch)
• 102 x 254 mm (4 x 10 inch)
• 127 x 305 mm (5 x 12 inch)

• 203 x 203 mm (8 x 8 inch)
• 203 x 305 mm (8 x 12 inch)

• SITRANS WFS320

150 … 400 mm (6 … 16 inch)
(ASME or DIN flanges)

• 127 x 406 mm (5 x 16 inch)
• 152 x 508 mm (6 x 20 inch)

• 305 x 254 mm (12 x 10 inch)
• 305 x 356 mm (12 x 14 inch)
• 305 x 508 mm (12 x 20 inch)