Emerald Technology
Bhosari, Pune, Maharashtra
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Honeywell Combustion Control Products

To meet the various requirements of our clients, we are providing a wide assortment of superior quality Combustion Control Products. Manufactured using high grade raw material and latest techniques at the vendors’ end, they are highly praised for their excellent performance, long functional life and durability. Furthermore, the offered range is designed and assembled in compliance with the international quality standards. Our clients can avail the offered products from us at market leading prices. 

UV Flame Detector

UV Flame Detector
  • UV Flame Detector
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Approx. Price: Rs 10,000 / onwardsGet Latest Price
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Product Details:

MaterialSteel
Spectral Response185 to 260 nm
Remote Output25 mA max
Humidity0 to 95% RH
Voltage100, 120, 208, or 240 V
Frequency50/60 Hz
Power Consumption7.0 watts
Pressure Rating100 psi (690 kPa)
WeightApproximately 4.25 pounds (1.9 kg)

Features:
  • Solid-state electronic circuitry provides low power consumption and high reliability
  • Solid-state models directly replace previous models with vacuum electron tube circuitry
  • Detectors can be mounted horizontally, vertically or at any angle
  • The self-checking C7012E,F models require faceplate alignment and have integral locating reference points to assure proper shutter mechanism operation
  • Ultraviolet radiation sensing tube and quartz viewing window are field replaceable.
  • Threaded conduit fitting and color-coded leadwires allow rapid electrical installation.
  • Two flame detectors can be wired in parallel to reduce nuisance shutdowns in difficult flame sighting applications.
  • A swivel mount is available to facilitate flame sighting.
  • Models are available with a -40∞F (-40∞C) rating.

C7012A,C,G:
  • Designed for use with Honeywell Flame Safeguard Controls using Honeywell Rectification (R7247A, R7289A, R7847A1082) and Ampli-Checkô Rectification (R7247B, R7847B1072) Flame Signal Amplifiers.
  • C7012G models available to meet BGC (British) and DIN (German) requirements.

C7012E,F:
  • Incorporate UV sensor tube checking feature; used with Honeywell Dynamic Self-Check (R7247C, R7847C) Flame Signal Amplifiers.

C7012A,E,G:
  • Housing meets NEMA 4 enclosure standards (indoor, outdoor protection: rain-tight, dust-tight, hose-directed watertight).
  • Protective heat block built into mounting flange.
  • High pressure 50 psi (345 kPa) quartz viewing window, focusing lens, swivel mount and antivibration mounting accessories available.

C7012C,F:
  • Housing designed to be explosion-proof and Underwriters Laboratories Inc. listed for use in hazardous locations; Class I, groups C and D; and Class II, groups E, F, and G.ï Viewing window rated for 100 psi (690 kPa).

Application:
  • The C7012A,C,E,F,G Flame Detectors are solid-state electronic devices for sensing the ultraviolet radiation emitted during combustion of most carbon-containing fuels such as natural gas, LP gas, and oil.

Models:
  • C7012A Solid State Purple PeeperÆ Ultraviolet Flame Detector: For use in rectification type flame safeguard systems.
  • C7012C Solid State Purple PeeperÆ Ultraviolet Flame
  • Detector: Same as C7012A except with explosion-proof housing for use in hazardous locations.
  • C7012E Self-Checking Solid State Purple PeeperÆ Ultraviolet Flame
  • Detector: For use with R7247C, and R7847C Dynamic Self-Check Amplifiers.
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Additional Information:

  • Item Code: C7012
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Pressuretrol Control

Pressuretrol Control
  • Pressuretrol Control
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Approx. Price: Rs 10,000 / unitGet Latest Price
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Product Details:

Max Voltage240 V
Max Working PressureUp to 300 psi [2068 kPa]
Max Current10 A
Dimensions5 3/4 in. high x 4 1/2 in. wide x 2 3/4 in. deep
Operating Temperature -35 deg F to +150 deg F
Differential Pressure Range20 to 50 psi
Switch OperationAuto recycle

L91 Proportioning Pressuretrol Controllers are Series 90 Modulating Pressure Controllers that provide direct control of modulating motors or valves used on automatic burners or steam heating systems. May be used with steam, air, noncombustible gases, or other fluids noncorrosive to brass or phos-bronze (300 psi model) bellows. When used with steam boilers, a steam trap (siphon loop) is recommended. Wiper on controller potentiometer moves in response to pressure changes.
Features:
  • Use with steam, air, noncombustible gases, or fluids non-corrosive to pressure sensing element.
  • Models have snap-acting switching to open or close a circuit on pressure rise.
  • Have adjustable differentials.
  • Adjustments are made by screws on top of case.
  • Mount using 1/4 inch -18 NPT internal pipe threads or surface mount through base of case.
  • Ground screw terminal.
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UV Flame Detectors

UV Flame Detectors
  • UV Flame Detectors
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Approx. Price: Rs 10,000 / onwardsGet Latest Price

Product Details:

Dimensions1 1/2 in. diameter x 4 1/8 in.
Weight6 oz, 0.17 kg
Power Supply18V DC
Operating Temperature-10deg C -+ 55deg C
Vibration0.5 G max
Ambient Temperature0 to 250 deg F
Lead Length72"

Compact flame detector for use with flame safeguard controls with ultraviolet amplifiers.

 

Features:
  • Use with Honeywell Flame Safeguard primary safety controls and burners requiring ultraviolet flame detection.
  • Mounts on a 1 in. sighting pipe by using an integral collar.
  • Protects the sensing tube with a shield.
  • Meets outdoor rain tight requirements of Underwriters Laboratories Inc., NEMA 4 and NEMA 4X.
  • Wires in parallel for difficult sighting applications.
  • Seals against pressures as high as 5 psi (34.5 kPa) when correctly installed.
  • Field-replaceable ultraviolet sensing tube.

Other Details:
  • Used With Flame Amplifiers: R7249A, B, R7849A, B, R7749B, R7259, R7290
  • Comments: Detects ultraviolet radiation in flames
  • Mounting: Integral nut for 1 in. sighting pipe.
  • Approvals, Underwriters Laboratories Inc.
  • Listed: File No. MP268, Guide No. MCCZ
  • Approvals, Canadian Standards Association
  • Certified: Master Report LR95329-1
  • Electrical Connections: 2 NEC Class 1 lead wires

Application:
  • Coal fired burners
  • Gas fired burners
  • Oil fired burners
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UV Flame Detectors

UV Flame Detectors
  • UV Flame Detectors
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Approx. Price: Rs 10,000 / onwardsGet Latest Price

Product Details:

Dimensions1 1/16 in. diameter x 4 in. long
MountingIntegral nut for 1/2 in. sighting pipe.
Electrical Connections2 NEC Class 1 lead wires
Vibration0.5 G max
Ambient Temperature0 to 215 deg F
Lead Length2438 mm

The Ultraviolet Flame Detector is a solid-state, adjustable sensitivity device for sensing the ultraviolet radiation emanating from gas, oil and pulverized coal flames. It is designed for burner management and flame safety systems which require optimum sensitivity and/or flame discrimination. Compact flame detector for use with flame safeguard controls with ultraviolet amplifiers.


This flame detector is available in two versions:

  • Model C7076A for use in standard applications
  • Model C7076F for use in installations requiring explosion proof packaging
  • Use with Honeywell Flame Safeguard primary safety controls and burners requiring ultraviolet flame detection.
  • C7027 mounts on a 1/2 in. sighting pipe by using an integral collar.
  • Detectors can be wired in parallel for difficult sighting applications.
  • C7027 seals against pressures up to 5 psi (34.5kPa) when correctly installed.
  • Allows for blast tube mounting due to compact size.
  • C7044 mounts with a two screw bracket.
  • The C7044 UV sensor tube is enclosed in a stainless steel housing.
  • C7044 has the capability of side or end viewing in flame monitoring applications

Application:
  • Coal fired burners
  • Gas fired burners
  • Oil fired burners
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    Modutrol Motor

    Modutrol Motor
    • Modutrol Motor
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    Approx. Price: Rs 25,000 / onwardsGet Latest Price
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    Product Details:

    SpeedLow Speed
    UsageIndustrial
    FunctionControl
    PowerAC
    Power Consumption13-18 W
    Voltage120-240 V

    The Series 72 Modutrol IV Motors are used to control dampers and valves. The motors accept a current or voltage signal from an electronic controller to position a damper or valve at any point between open and closed. Motors with factory added auxiliary switches are shipped in the closed position (fully counterclockwise, as viewed from the motor power end) with auxiliary cams set to actuate switches 30° from the closed position and to provide 1° degree differential. With the motor in the closed (fully counter-clockwise) position, the auxiliary switch breaks contacts R-B.

    Product Details:
    • Tradeline models are selected and packaged to provide ease of stocking, ease of handling and maximum replacement value
    • Tradeline model specifications are the same as those of standard models unless specified otherwise
    • Tradeline models have auxiliary switch cams

    Features:
    • Replaces M734H,J,; M744S,T,Y; and M745L,S,T,Y Motors.
    • M7164, M7261, M7284, and M7294 are non-spring return motors; M7282, M7285, M7286 and M7685 are spring return motors.
    • Integral spring return returns motor to normal position when power is interrupted.
    • Integral junction box provides NEMA 3 weather protection.
    • Motor and circuitry operate from 24 Vac. Models available with factory installed transformer, or a field added internal transformer.
    • Quick-connect terminals are standard—screw terminal adapter is available.
    • Adapter bracket for matching shaft height of older motors is available.
    • Most motors have field adjustable stroke (90° to 160°).
    • Die-cast aluminum housing.
    • Integral auxiliary switches are available factory mounted, or can be field added.
    • Nominal timing standard of 30 seconds (90° stroke), and 60 seconds (160° stroke). Other timings available.
    • Spring return motors can operate valve linkages from power end or auxiliary end shafts for normally closed or normally open valve applications.
    • Allmodels have dual shafts (slotted and tapped on both ends).
    • All models have auxiliary switch cams.
    • Fixed torque throughout the entire voltage range.
    • Motors are designed for either normally open or normally closed valves and dampers.
    • Models available with adjustable start (zero) and span.
    • Models available with 4 to 20 mA input signal.
    • Models available with 2 to 10 Vdc input signal.

    Application:
    • The Series 71, 72 and 76 Modutrol IV Motors are spring return and non-spring return motors used to control dampers and valves.
    • The motors accept a current or voltage signal from an electronic controller to position a damper or valve at any point between open and closed.

    Use the following procedure to obtain the desired auxiliary switch settings:
    • Remove the top cover from the motor to gain access to the motor terminals and auxiliary cams.
    • Disconnect the controller from the motor.
    • Connect a current source to the positive and negative terminals.
    • Drive the motor to the position where the auxiliary equip-ment is to be switched by increasing or decreasing the current.
    • For a switch differential of 1°, check continuity of auxiliary switch contacts R-B and rotate the cam as follows:
    • If the contacts are open, rotate the cam clockwise until the R-B contacts close.
    • If the contacts are closed, rotate the cam counterclockwise until the R-B contacts open.
    • For a switch differential of 10° rotate the cam approximately 180° so the slow-rise portion of the cam actuates the switch.
    • Check continuity of the auxiliary switch contacts R-B.
    • Rotate the cam as follows:a. If the contacts are open, rotate the cam counterclockwise until the R-B contacts close.
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    Flame Amplifier

    Flame Amplifier
    • Flame Amplifier
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    Approx. Price: Rs 20,000 / UnitGet Latest Price
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    Product Details:

    TypeProfessional Amplifier
    UsageIndustrial
    Operating Temp-40 deg F to 140 deg F (-40 deg C to 60 deg C)
    Humidity85% rh continuous, noncondensing
    VibrationContinuous 0.5G environment.
    Voltage1.25 to 5.0 Vdc

    With our vast industry experience and knowledge, we are distributing and supplying a broad array of Flame Amplifiers. The offered amplifiers are used to indicate the presence of flame when used with 7800 SERIES Relay Modules. Manufactured by our vendors using quality proven raw material, they are designed in compliance with the international standards. The offered amplifiers are highly appreciated by clients for their unmatched quality, enhanced durability and superior functionality.

     

    Features:

    • Flame failure response time of 0.8 or 1 second; or 2.0 or
    • 3.0 seconds, depending on the amplifier and relaymodule selected.
    • Plug-in to 7800 SERIES Relay Module through printedcircuit board edge connector keyed for properorientation.
    • Flame signal test jacks measure amplifier flame signalvoltage.
    • 0.0 to 5.0 Vdc Flame signal strength reading range.• Color coded label identifies flame detection type:Green—rectification.Red—infrared.Purple—ultraviolet.Blue—pulsed rectification.
    • R7847B, R7848B, R7849B Dynamic Ampli-Check®circuitry tests all flame amplifier components 12 timesper minute.
    • The 7800 SERIES Relay Module locks out onsafety shutdown with amplifier failure.
    • R7824C and R7847C Dynamic Self-Check RectificationAmplifier, R7861 Self-Check Ultraviolet Flame Amplifierand R7886A Dynamic Self-Check Ultraviolet Amplifiertest the detectors and all electronic components in theflame detection system 12 times per minute.
    • The 7800SERIES Relay Module locks out on safety shutdown with flame detection system failure.

    Application:
    • The R7824C Rectification Flame Amplifier is a solid stateplug-in amplifier that responds to a rectified signal from aC7024E, F Self-Check Ultraviolet Flame Detector to indicatethe presence of flame when used with an RM7824 RelayModule.
    • The R7847A,B Rectification Flame Amplifiers are solid stateplug-in amplifiers that respond to a rectified signal from arectification type flame detector to indicate the presence offlame when used with 7800 SERIES Relay Modules.
    • The R7847C Self-Check Rectification Flame Amplifier is asolid state plug-in amplifier that responds to a rectified signalfrom a C7012E, F Self-Check Ultraviolet Flame Detector toindicate the presence of flame when used with 7800 SERIESRelay Modules.
    • This is not European Community (CE)approved for EC7810, EC7820, EC/RM7830 or EC/RM7850Relay Modules.
    • The R7848A,B Infrared Flame Amplifiers are solid state plug-in amplifiers that respond to an infrared signal from a C7015Infrared Flame Detector to indicate the presence of flamewhen used with 7800 SERIES Relay Modules.
    • The R7849A,B Ultraviolet Flame Amplifiers are solid stateplug-in amplifiers that respond to an ultraviolet signal from aC7027, C7035 or C7044 Ultraviolet Flame Detector toindicate the presence of flame when used with 7800 SERIESRelay Modules.
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    Flame Relays

    Flame Relays
    • Flame Relays
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    Approx. Price: Rs 15,000 / UnitGet Latest Price
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    Product Details:

    WeightApprox. 334g (including sub-base)
    Size42.5 x 90.0 x 95.5 mm (including sub-b ase) (WxHxD)
    UsagePCB aboard
    Coil Power0.9 W
    Coil Voltage3-48VDC
    TheoryElectromagnetic Relay
    Rated Voltage115V 50/60Hz
    Power Consumption5 W
    Flame Response Time2 +/- 1 sec.
    Flame sensorFlame rod or C7012A/G
    Ambient Temperature-20 ~ +60 deg C
    Protection ClassIP00 (mount inside cabinet)
    Allowable ambient humidityMax. 90% RH non condensi ng
    Vibration resistance0.5G (10 to 150Hz for 1h each in x,y and z directions)

    We bring forth for our clients an extensive assortment of Flame Relays, which is procured from the certified vendors of the market. These relays when used with the appropriate sensors, can signal the presence or absence of a flame or ultraviolet (UV) light. Widely praised by clients due to their high tensile strength, excellent efficiency and temperature resistance, they are well-tested on various parameters of quality by our vendors. Clients can avail the offered relays from us at the most reasonable price. The BC1000 (FR models) will operate also with the ex-Satronic IRD810/1010 range of infrared sensors. Note that this combination is NOT CE approved for use on installations that fall under
    the GAD (Gas Appliances Directive).

     

    Features:

    • Flame current meter jack socket permits monitoring of flame signal strength
    • Plug-in mounts onto a sub-base for surface mounting (Housing meets IP40)
    • Compact design.
    • Plug-in wiring sub base for direct panel or DIN RAIL mounting.
    • Safe-start check (SSC) feature prevents operation when abnormal flame condition exists at start-up.
    • LED indication (Power, Flame, SSC) on the front to show operation status (SSC hidden behind the front cover).
    • Screw terminals on the front provide continuous 0~6VDC flame signal strength monitoring.

     

    Application:

    • The BC1000A/B series is a flame switch for intermittent operation to indicate presence or absence of a flame and to be applied in commercial or industrial burner installations.
    • The BC1000A can also be used as a primary control for manually operated burner systems using a start/stop station.
    • In addition to the flame sensing functions, the BC1000A/B provides a “Safe Start” function which checks if a flame signal is present when applying power to the device.
    • If so, the BC1000A/B holds its operation until the flame signal disappears.
    • The BC1000A/B can be used with a recifying flame rod or all existing non-selfcheck Honeywell “PowerTube” type UV sensors (for intermittent operation only.

     

    Note:

    • The performance of the relay depends upon how well the flame detector is installed
    • For guidance on how to properly install a flame detector, consult the burner/boiler manufacturer’s instructions and the information packed with the detector
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    Gas Air Pressure Switch

    Gas Air Pressure Switch
    • Gas Air Pressure Switch
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    Approx. Price: Rs 2,000 / OnwardsGet Latest Price
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    Product Details:

    Max Working Pressure500 mbar
    Max Current10A
    Electrical Ratings ACMin. 24 V max. 240 V
    Electrical Ratings DCMin. 24 V max. 48 V
    Enclosure ratingNEMA Type 4

    Our company is engaged in distributing and supplying a wide variety of Gas Air Pressure Switches that is highly cherished by clients. These switches are extensively used to detect the upper or lower limit pressure of gas or air to be supplied to a gas burner or to detect the clogging of the interlock filter of a burner blower. Fabricated using premium quality raw material and sophisticated technology at the vendors’ end, they are widely known for their optimum strength, compact design and low maintenance.

     

    Features:

    • The gas pressure switch C6097A is used to detect the pressure of city gas, natural gas, LP gas or air, etc
    • When the gas pressure changes, the diaphragm of the pressure receiving part detects it and operates the (SPDT) switch to On/Off control of the external electrical circuit

    Application:
    • The GAO-, GMH-, and GML-A2... pres-sure switches are recommended for industrial and commercial heating appli-cations with DMV dual modular valves, SV safety valves, MBC multifunctional controls, and FRI modular pressure regulators.
    • Various mounting options allow direct mounting on the housing.
    • The GAO-, GMH-, and GML-A2... pres-sure switch is suitable for dry natural gas, propane, butane, air and other inert gases.
    • Suitable for up to 0.1 % by volume, dry H2S.A “dry” gas has a dew point lower than +15 °F and its relative humidity is less than 60 %.

    Temperature Range:
    • Ambient temperature: -40 °F to +140 °F  (-40 °C to +60 °C)
    • Medium temperature: -40 °F to +140 °F  (-40 °C to +60 °C)
    • Ambient temperature: -22 °F to +140 °F  (-30 °C to +60 °C)
    • Medium temperature: -22 °F to +140 °F  (-30 °C to +60 °C)

    Nominal current:
    • Silver (Ag) contact ratings
    • AC 10 A resistive  @ 120 VAC
    • AC   8 A inductive @ 120 VAC
    • DC min. 20 mA @ 24 VDC
    • DC max. 1 A @ 12 - 48 VDC
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    Ravi Shrivastava (CEO)
    Emerald Technology
    F-50, 1st Floor, Vishweshwar Industrial Premises, PCNTDA, Sector 7
    Bhosari, Pune - 411026, Maharashtra, India



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