Trimod Besta side mount float level switch

  • Heavy duty float switch
  • Versatile, three module ("tri-mod") construction
    • Easy to customise  & repair
  • Available with a range of approvals (e.g. IECEx, ATEX, etc), certificates (e.g. SIL1 & SIL2), reports (e.g. materials & functional tests) & marine insurer approvals (e.g. ABS, GL, DNV, Lloyd's etc)
  • Mounting: range of options
    • Typically via counter flange or directly to tank wall via bolts
    • Flanged units also available
  • Wetted materials: 316SS
    • Wide range of other materials including hastelloy-C available on request
  • Output: SIL1 SPDT microswitches are standard, but a choice of:
    • Gold contacts for low current, low voltage applications (e.g. simple device in intrinsically safe circuits)
    • Namur proximity switches
    • High temperature
    • IECEx Ex de
    • Pneumatic (on / off or proportional) - refer pneumatic models
  • Temperature: 0 » 300°C (standard)
    • Higher temperature models available
  • Pressure: standard up to 25bar @ 300°C
  • S.G.: >0.7 (special models available on request)
  • Electrical connection: weatherproof (IP65), typically with M20 cable gland
  • Options:
    • Counter flange: weld to tank for easy mounting - available in 316SS & carbon steel
    • Test actuator: mechanical test actuator allows for testing of the switch during routine preventative maintenence
    • Pressure chambers: remove the float from inside the process tank - custom built to meet specific application needs
    • Top mount, bent rod & other configurations
  • Big range of units available ex. stock (e.g. AA 01 04, A 01 041, AA 01 093, AA 01 051E15, ZKK5 01 04) with many other configurations built next business day
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  • Datasheet for side mounted models (PDF)
  • Trimod Besta - Shipbuilding (PDF)
  • AA 01 04 - spare parts drawing (PDF)
  • Besta vs Mobrey comparison (PDF)
  • Animation of a high temperature Trimod Besta switch (GIF)
  • Animation of a standard Trimod Besta switch (GIF)
  • Trimod Besta - general catalogue (LTKEN1510) (PDF)
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    Trimod Besta top mount float level switch

    • Heavy duty float switch
    • Versatile, three module ("tri-mod") construction
      • Easy to customise  & repair
    • Available with a range of approvals (e.g. IECEx, ATEX, etc), certificates (e.g. SIL1 & SIL2), reports (e.g. materials & functional tests) & marine insurer approvals (e.g. ABS, GL, DNV, Lloyd's etc)
    • Mounting: range of options
      • Typically directly to tank via square flange (P.C.D. 92mm)
      • Most flange styles also available
    • Wetted materials: 316SS
      • Wide range of other materials including hastelloy-C available on request
    • Output: emptying or filling pump control with a single switch or point level (customised onsite)
      • SIL1 SPDT microswitches are standard, but a choice of:
        • Gold contacts for low current, low voltage applications (e.g. simple device in intrinsically safe circuits)
        • Namur proximity switches
        • High temperature
        • IECEx Ex de
        • Pneumatic (on / off or proportional) - refer pneumatic models
    • Temperature: 0 » 300°C (standard)
      • Higher temperature models available
    • Pressure: standard up to 25bar @ 300°C
    • S.G.: >0.45 (special models available on request)
    • Electrical connection: weatherproof (IP65), typically with M20 cable gland
    • Options:
      • Side mount, bent rod & other configurations
    • Big range of units available ex. stock (e.g. AA 01 140, AA 01 141, ZKK5 01 145, ZKK5 01 146) with many other configurations built next business day
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  • Datasheet for top mounted models (PDF)
  • Besta vs Mobrey comparison (PDF)
  • AA 01 140 - spare parts drawing (PDF)
  • AA 01 141 - spare parts drawing (PDF)
  • Trimod Besta - general catalogue (LTKEN1510) (PDF)
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    Trimod Besta side mount pneumatic level switch

    • Heavy duty float switch with pneumatic outputs
    • Versatile, three module ("tri-mod") construction
      • Easy to customise  & repair
      • Upgrade / change a microswitch (SPDT) model to pneumatic if requied
    • Available with a range of approvals, certificates (e.g. SIL1 & SIL2), reports (e.g. materials & functional tests) & marine insurer approvals (e.g. ABS, GL, DNV, Lloyd's etc)
    • Mounting: range of options
      • Typically via counter flange or directly to tank wall via bolts
      • Flanged units also available
    • Wetted materials: 316SS
      • Wide range of other materials including hastelloy-C available on request
    • Output: choice of on/off or proportional output switch modules
      • PV: on / off (3/2 way valve) switch
      • MV: proportional controller (e.g. air actuated valves)
      • FxV: function tested (e.g. FPV, FMV) models available for hazardous area applications
    • Pneumatic details:
      • Control Pressure: 10bar max.
      • Leakage: 1cm³/min max. @ 10bar
      • Air flow: 90NL/min air flow @ 6bar
      • Pressure drop: 1 bar
      • Air quality: class 4, ISO 8571 (max. particle size 15µm, max. particle density 8mg/m³)
    • Temperature: 1 » 250°C (media), 1 » 80°C (ambient)
      • Higher temperature models available
    • Pressure: standard up to 25bar @ 250°C
    • S.G.: >0.7 (special models available on request)
    • Electrical connection: weatherproof (IP65), typically with M20 cable gland
    • Options:
      • Counter flange: weld to tank for easy mounting - available in 316SS & carbon steel
      • Test actuator: mechanical test actuator allows for testing of the switch during routine preventative maintenence
      • Pressure chambers: remove the float from inside the process tank - custom built to meet specific application needs
      • Top mount, bent rod & other configurations
    • Big range of units available ex. stock (e.g. PV 01 04, MV 01 04, PV 01 140, MV 01 140, FPV 01 04, FPV 01 146, F5DPV 01 04, F5DPV 01 146) with many other configurations built next business day
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  • PV 01 04 - spare parts drawing (PDF)
  • MV 01 04 - spare parts drawing (PDF)
  • FPxx + FMxx - functionally tested Supplier's Declaration of Conformity (PDF)
  • Trimod Besta - pneumatic models (PDF)
  • Trimod Besta - general catalogue (LTKEN1510) (PDF)
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    Trimod Besta industrial float level switches

    • Flanges to ANSI, BS DIN, or JS
    • Pressures to CI 2500ANSI, PN 315DIN
    • High and low temperature options
    • Stainless grades to suit applications
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  • Trimod Besta - general catalogue (LTKEN1510) (PDF)
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    Trimod Besta plastic industrial float level switches

    • Corrosion resistant; PP, PVDF, PTFE
    • ANSI, DIN, BS and JIS flanges
    • Side and top mounting types
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  • Trimod Besta - general catalogue (LTKEN1510) (PDF)
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    Trimod Besta hazardous area approved float level switches

    • IECEx, US, Canadian & European approvals
    • Flameproof & intrinsically safe
    • SIL certified
    • Top & side mount
    • Function tested pneumatic models
    • Wide range available ex. stock
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  • Trimod Besta - general catalogue (LTKEN1510) (PDF)
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    Besta BLS frequency-sweep technology level switch

    • One sensor detects a wide range of different media (liquids, bulk goods / grains, sticky or pasty media, high or low viscosity) - immune to foams & suspended particles
    • No moving parts for maintenance free operation
    • Rugged design, resistant to shocks & vibrations (IEC 60068-2-6, GL test 2)
    • Compact with fully integrated electronics (LED switch status indication)
    • Fast response time (<100msec)
    • Mount in any orientation - with correct factory setting even coating shouldn't affect switch
    • Factory set to required dielectric constant (DK) though one setting works for about 80% of media!
    • Process conditions: -40»115°C, up to 100bar
    • Materials: stainless steel & PEEK
    • Approvals: DNV marine and FDA / hygenic models available (CIP can withstand up to 130°C for 1hr)
    • Optional factory set damping 0»10secs, 0.1sec by default)
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  • BLS - datasheet (PDF)
  • Besta BLS - DNV approval (Zertifikat_EN_A-13746) (PDF)
  • BLS - specification sheet (PDF)
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    Senlux Besta OPG01 opto-electronic level switch

    • No moving parts switch made from stainless steel with a quartz glass tip for detecting levels of liquid media.
    • Supply: 12 » 32Vdc
    • Output: PNP (200 mA), reverse polarity protected
      • Function Opener / Closer
      • LED on rear of device
    • Enclosure: IP65
    • Electrical connection: Cable PVC, PUR, 3 x 0,25 mm² or Plug M8, other types on request
    • Pressure max: 10 bar
    • Temperature: -30 » 100°C (Ambient -25 » 70°C)
    • Materials: housing stainless steel 1.4305 (optional also in stainless steel 1.4571), quartz glass prism
    • Accuracy:±0.5 mm
      • Models available with adjustable sensitivity
    • Process connections: 3/8" BSPP, M12x1, ½" BSPP (other types on request)
      • Mounting direction any
      • min. distance sensor tip to reflecting wall 10 mm
    • Typically stocked models: OPG01 A2POT & OPG01 B2POT 
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  • OPG01 (PDF)
  • OPG Mounting Options (E6326_01) (PDF)
  • Besta Senlux (PDF)
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    Senlux Besta OPG04 opto-electronic level switch

    • No moving parts with a quartz glass tip for detecting levels of liquid media - made from nickel-plated steel for refrigeration applications.
    • Supply: 12 » 32Vdc
    • Output: PNP (200 mA), reverse polarity protected
      • Function Opener / Closer
      • LED on rear of device
    • Enclosure: IP65
    • Electrical connection: Cable PVC, PUR, 3 x 0,25 mm² or Plug M8, other types on request
    • Pressure max: 40 bar
    • Temperature: -40 » 100°C (Ambient -30 » 70°C)
    • Materials: nickel-plated steel
      • Glass fused with the steel body (without a seal)
    • Accuracy:±0.5 mm
      • Models available with adjustable sensitivity
    • Process connections: ½" BSPP (other types on request)
      • Mounting direction any
      • min. distance sensor tip to reflecting wall 10 mm
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  • OPG04 (PDF)
  • OPG Mounting Options (E6326_01) (PDF)
  • Besta Senlux (PDF)
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    Senlux Besta OPG05 opto-electronic level switch

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  • OPG05 (PDF)
  • OPG Mounting Options (E6326_01) (PDF)
  • Besta Senlux (PDF)
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    Senlux Besta OPG03 opto-electronic level switch

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  • OPG03 (PDF)
  • Besta Senlux (PDF)
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    Senlux Besta OPG061 opto-electronic level switch

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  • OPG061 (PDF)
  • Besta Senlux (PDF)
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    Senlux Besta OPG06 opto-electronic level switch

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  • OPG06 (PDF)
  • Besta Senlux (PDF)
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    Besta SR 30 plastic, multipoint float level switch with junction box

    • Custom made level switch with multiple floats
    • Wetted materials: all engineered plastic (no metals) - choice of PP, PVC or PVDF
    • Media: S.G. >0.6
    • Output: reed switch - choice of SPST (N.O or N.C) or SPDT (change-over)
    • Temperature: -10 » 80°C
    • Pressure: <0.3 MPa (3 bar or ~43PSI)
    • Enclosure: IP66 junction box (AL or polycarbonate)
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  • SR 30 - datasheet (PDF)
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    Besta SR 32 plastic, multipoint float level switch

    • Custom made level switch with multiple floats
    • Wetted materials: all engineered plastic (no metals) - choice of PP, PVC or PVDF
    • Media: S.G. >0.6
    • Output: reed switch - choice of SPST (N.O or N.C) or SPDT (change-over)
    • Temperature: -10 » 80°C
    • Pressure: <0.3 MPa (3 bar or ~43PSI)
    • Enclosure: IP65 DIN 43650 plug with cable gland
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  • SR 32 - datasheet (PDF)
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    Trimod Besta counterflanges

    • Weld-neck counterflanges for easy installation of side mount level switches (electric & pneumatic models)
      • Square flange, P.C.D. 92mm
    • Carbon steel & 316 stainless steel
    • Long or short weld necks
    • Available ex. stock
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  • Trimod Besta - accessories catalogue (PDF)
  • Counterflange installed (JPG)
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    Trimod Besta float chambers

    • Remove the float from inside the process tank - custom built to meet specific application needs
    • Choice of materials - some grey cast iron 16 bar rated off the shelf
    • Industrial chambers ANSI cl150 to 2500
    • Available with a range of approvals (e.g. IECEx, ATEX, etc), certificates (e.g. SIL1 & SIL2), reports (e.g. materials & functional tests) & marine insurer approvals (e.g. ABS, GL, DNV, Lloyd's etc)
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  • Trimod Besta - float chamber catalogue (PDF)
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    Trimod Besta test actuators

    • A mechanical test actuator allows for testing of the switch during routine preventative maintenence
    • Designed to fit with Besta counterflanges
      • Square flange, P.C.D. 92mm
    • Available ex. stock
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  • Trimod Besta - accessories catalogue (PDF)
  • Trimod Besta test actuator installed (JPG)
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    Besta SR6 bilge level switch for marine applications

    • Designed for marine applications
      • Switch carries Germanischer Lloyd (GL)
      • Slosh shield stills liquid to prevent switch "chatter"
      • Heavy duty applications
    • Mounting: directly to tank wall or via U-bolt
    • Wetted materials: 316SS
    • Output: choice of SPDT (40VA change-over)  or SPST (100VA swappable NO / NC on-site) reed switch
    • Temperature: ranges -40 » 80°C
    • Pressure: up to 16bar
    • S.G.:>0.75
      • Electrical connection: waterproof (IP68), 2m PVC cable connection
    • Test actuator: mechanical test actuator allows for testing of the switch during routine preventative maintenence
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  • SR 6 - datasheet (PDF)