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Sigma Flow Switch is an extension of the level switches. There are two types of flow switches : one for low flow / line size up to 50 mm line size (Model FS 1000) and another from 25 mm onwards up to 800 mm or above (Model FS 1010).Model FS 1000 is a valve type Flow Switch wherein an increase in flow through the body raises the valve disc depending upon the flow. This in turn raises the magnetic sleeve moving inside a non-magnetic enclosure. The movement of the sleeve attracts the magnet located outside the tube which in turn actuates a micro switch. Decrease in flow reverses the action. Model FS 1010 is a target type which moves from a vertical position to a near horizontal position as the flow increases. This change in position moves a magnetic sleeve in a non-magnetic enclosure. The movement of the magnetic sleeve attracts a magnet which in turn actuates a micro switch. Decrease in flow brings the target back to the vertical position.
The Flow Switches are Used,
 | Model No.FS1000 | Model No.FS1010 |
Type | Disc Type | Target Type |
Size | 15 to 50 mm | 25 mm to 800 mm or above |
Body | CS, Brass, Bronze, SS304/SS316/specified | C.S / SS 304 / SS 316 / specified |
Trim | SS 304 / SS 316 / specified | SS 304 / SS 316 / specified |
Connection Size | Screwed or Flanged in required size |
1 - 2 1/2" screwed NPT / BSP or flanged to required standard / size |
Range Adjustment | By adjusting the screw on top of switch | By adjusting the screw on top of switch |
Switch Enclosure | Weather proof IP 67 / Explosion proof IIC | Weather proof IP 67 / Explosion proof IIC |
Switch Type | Micro | Micro |
Contacts | SPDT 10 A / 15 A @ 250 V AC | SPDT 10 A / 15 A @ 250 V AC |
Conduit | upto 3/4" NPT / 1" BS | upto 3/4" NPT / 1" BS |
Max operating Pressure |
10 - 50 kg/cm2/ specified | 10 - 50 kg/cm2/ specified |
Max operating Temperature |
150oC / specified | 150oC / specified |
INDUSTRIAL PRODUCTS FINDER (IPF) is India’s only industrial product portal. Referred to as the ‘Bible’ of the manufacturing sector in India,
INDUSTRIAL PRODUCTS FINDER (IPF) is India’s only industrial product portal. Referred to as the ‘Bible’ of the manufacturing sector in India,
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