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Monitor Diaphragm Switch

  • Monitor’s line of BINATROL diaphragm bin monitors consists of economical, reliable, and durable point level controls for point level detection of dry bulk materials. The units can be used to eliminate bin overflow, maintain a predetermined material level, indicate plugging of chutes or conveyors or provide any of a number of level control functions. The flush mount, non-intrusive BINATROL units are ideally used when vessel size or internal clearance is limited, or where protrusion into a vessel is not acceptable. All installation and servicing, including diaphragm replacement and sensitivity adjustment, can be done from outside the vessel. 
    A diaphragm bin monitor provides level indication by detecting pressure applied by the bulk material to the sensing diaphragm. The unit is installed to a vessel wall so that the diaphragm is exposed to the material to be sensed. As material contacts the diaphragm, a force is exerted through the diaphragm to a pressure plate within the bin monitor. Physical deflection of the pressure plate activates an internal switch which is user accessible for signaling alarms, lights or PLC inputs. When material recedes from the diaphragm, a light duty spring returns the pressure plate and internal switch back to their original positions. 
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  • Economical Point Level Detection in Bins and Hoppers
    Ideal for Plugged Chute Applications
    Industry's Preferred Diaphragm Switch for Over 35 Years
    Pressure-Sensing Operation
    Provides "green" Operation With No Power Consumption
    Low-Profile, Non-Intrusive Mounting
    Adjustable Sensitivity
    Over-Pressure Protection
    Unique External Installation and Maintenance
    Multiple Diaphragm Materials
    Ultra-Sensitive Switch for Lightweight Materials
    HYCAR® Protective Cover for More Abrasive Materials (Optional)
    Principle of Operation
    A diaphragm bin monitor provides level indication by detecting pressure applied by the bulk material to the sensing diaphragm. The unit is installed to a vessel wall so that the diaphragm is exposed to the material to be sensed. As material contacts the diaphragm, a force is exerted through the diaphragm to a pressure plate within the bin monitor. Physical deflection of the pressure plate activates an internal switch which is user accessible for signaling alarms, lights or PLC inputs. When material recedes from the diaphragm, a light duty spring returns the pressure plate and internal switch back to their original positions.
    ApplicationsThe BINATROL® diaphragm pressure switches / bin monitors can be used to detect high, low and intermediate product levels on dry material storage bins. The BINATROL can be used on either flat or curved surfaces. For bins with a diameter greater than 12' (3.6m), extra gaskets are not required. For certain applications, the BINATROL can also be used to detect plugged or backed-up conveyor chutes. Depending on the selected options and accessories, these units can be used with light powders, granules, materials with varying particle sizes, pellets, and abrasive and corrosive materials. Provides good performance in solids from 10 - 60 lbs/ft3. These products are not normally used with materials which are very light, sticky or of large particle size.

    Typical Applications include, but are not limited to:

    Grain / Feed

    Wood Chips

    Chemicals

    Powders

    Sawdust

    Cement

    Pellets

    Regrind

    Resin



    Available Models

    MODEL G
    The Model G is the most basic BINATROL® diaphragm bin monitor. It provides accurate point level control on most bin types for products ranging from pellets to fine powders.

    MODEL GX
    The Model GX offers all the features of the Model G, but is specially designed to provide dust-ignition proof protection. This model should be used in applications which require Class II dust-ignition proof approval.

    MODEL GX-SS
    The Model GX-SS is the dust-ignition proof version of the Model G with a type 321 stainless steel diaphragm. This diaphragm provides corrosion resistance when used with corrosive materials or added protection in abrasive applications.

     


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Specifications Power Requirements: none Output: SPDT dry contact, 15A @ 250 VAC max Sensitivity: GX-SS: 20 lb/ft³ (320 kg/m³ ) minimum material density Std Switch: 15 LB/ft³ (240 kg/m³ ) minimum material density Extra-Sensitive Switch: 10 LB/ft³ (160 kg/m³ ) minimum material density Enclosure: die cast aluminum, powder coated Enclosure Protection: Model G: NEMA4/ENCLOSURE TYPE 4, IP56; Models GX and GX-SS: Indoor use or envirnomentally protected areas - only Mounting Connection: flange with 7.5" (190.5MM) bolt circle Pressure Rating: atmospheric pressure only Wire Entry: 1/2" NPT Diaphragm Material: neoprene, reinforced Teflon®, or 321ss (GX-SS only) Operating Temperature: G/GX w/neoprene: -40° to 180°F (-40° to 82°C) G/GX w/Teflon®: -40° to 250°F (-40° to 121°C) GX-SS: -40° to 250°F (-40° to 121°C) Weight: G, GX, GX-SS: 3.25 LB (1.5 kg) Listings/Approvals: G - CSA US/C Ordinary Locations GX, GX-SS - UL and CSA Class II, Div. 1, 2, Groups F, G; CE mark (Ordinary Locations ONLY) Min. Vessel Dia.: 12' (Smaller vessels will require modifications and extra gasketing.) Teflon® is a registered trademark of Chemours (formally DuPont). HYCAR® is a registered trademark of Lubrizol Advanced Materials, Inc.
Product Configuration 7-8100 > Model G, Gen Pur, Neoprene, Standard, CSA 7-8101 > Model G, Gen Pur, Neoprene, Extra sensitive, CSA 7-8104 > Model G, Gen Pur, Teflon, Standard, CSA 7-8105 > Model G, Gen Pur, Teflon Extra sensitive CSA 7-8150 > Model GX, Dust Ign. Proof, Neoprene, Standard, UL/CSA 7-8153 > Model GX, Dust Ign. Proof, Neoprene, Extra sensitive, UL/CSA 7-8152 > Model GX, Dust Ign. Proof, Teflon, Standard, UL/CSA 7-8151 > Model GX, Dust Ign. Proof, Teflon, Extra sensitive, UL/CSA 7-8156 > Model GX-SS, Dust Ign. Proof, Stainless steel, Standard, UL/CSA 7-2009 > HYCAR® Diaphragm Cover Monitor offers a HYCAR® (nitrile rubber) cover for the diaphragm to provide additional abrasion resistance in applications. The cover is also oil resistant and watertight. This cover is used with Models G and GX.
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