Multi-point (multi-branch) thermocouple (RTD)

WRKS sheathed multi-point thermocouple

Ourindependentlydeveloped sheathed multi-point thermocouple isanovel temperature measurement instrument.Its main componentsconsistofaterminalhead,sheathedmulti-pointthermocoupleelement,protectivetube,andmounting fixtures.Itcan be used for temperature measurement in various occasions ranging from-40 to 1 3 0 0 ^ { \circ } { C } . It is particularly suitable for multi-pointtemperature measurementatvaryingdepthswithin confined spaces,suchas synthesis towers, reaction vessels,and heating furnaces in petrochemical,metallurgical,and mechanical industries.

Product Characteristics

\blacktriangle Single-layer sheathed multi-point thermocouples comprise 2to10 thermocouple pairs,an outer sheath，and inorganic insulation materials.Each thermocouple pair isuniformlydistributedalong the sheath at specified intervalsaccording to their lengths;
* Double-layer sheathed multi-point thermocouples consistof2to 30 thermocouple elements,anoutersheath,and inorganic insulation materials.Each pairof thermocouples isevenlydistributed within theouter thermowels by their lengths.The dual-layer metal sheath provides enhanced protection for the thermocouple wires;
\blacktriangle Various mounting options areavailable,including straight threads,tapered pipe threads,orflanges,making them suitable for both domestic and imported equipment installations;
* Multiple terminal head configurationsand protective tube materialsareavailable,ensuring reliable operation in general,explosive,or corrosive environments;
\blacktriangle Individual insulationatthe measuring junctions prevents cross-interference between thermocouple elements;
\bullet Excellent pressure and vibration resistance ensure stable performance and extended service life.

Structure schematic diagram

ASingle-layer sheathed multi-point thermocouple

BDouble-layer sheathed multi-point thermocouple

WR□KS□口-口□type Integral multi-point thermocouple

① （204号 ② ③ （204号 ④⑤ 67890 ①②③ 516

WR□KS□□-□□-□□□□□-□□□-□□□

Structure schematic diagram

WR□KM-口口 type Sheathed multi-branch thermocouple

The multi-branch sheathed thermocouples are a new type of temperature sensor composed of junction boxes, multi-branch sheathedthermocouplecomponents，instalationfixingdevices,etc.,whichcanbeused for temperature measurement in various occasions between -40 and 1 3 0 0 ^ { \circ } { C } .The outer thermowell of the multi-branch sheathed thermocouples are provided by users themselves orusin completeset.If not,theycanonly beused incases under the atmosphericpressureandnon-corrosiveenvironment.

① ② { 3 } { 4 } { 5 } { 6 } { 7 } { 8 } （20 90①②③ 41516 18

WR□KM□-□□□□□□-□□□□□-□□□-□□/□

Structure schematic diagram

Fixed flange ferrulesealingmulti-branch type Fixed flange ferrule sealing multi-branch type

WZPKM-口口type Sheathed multi-branch RTDs

Themulti-branch sheathedplatinum RTDsareanew_typeof temperaturesensorcomposed of junction boxes, multi-branch sheathedRTDcomponents，instalationfixingdevices，etc.，whichcanbeused fortemperature measurement in various occasions between -200 and 6 0 0 ^ { \circ } { C } ,such as low-temp.reactor,storage tank,etc.

① ②3④567 { 8 } { 9 } { 1 0 } { 1 1 } { 1 2 } { 1 3 } （204号 （204号 {14} { 1 5 } { 1 6 } （204号 1718 {19}

WZPKM□-□□□□□□-□□□□□□-□□□-□□/□

BM Type Thermocouple/RTD Wall Temperature Module

BM□□ type wall temperature module

BM□type wall temperature module isdesigned forsurface temperature measurement together with the thermocouple/RTD,and mainlyusedfor measuring thesurface temperatureof pipelines,reactors,andequipment wals.It is installedwithwelding，beamclamp，magnet,blade,etc.Thewalltemperaturemodule workswellinenabling the temperature measuring element to come in close contact with the surfaceto be measured soas to ensureaccurate measurement.

BM01-□-□

BM01 mounting schematic and sizing example

BM03 typewall temperature module

BM03-□-□

BM03 mounting schematic and sizing example

①② BM04-□-□

BM04 mounting schematic and sizing example

BM06 typewall temperaturemodule

BM06-□-□

BM06 mounting schematic and sizing example

①②

BM08 mounting schematic and sizing example

BM12 type wall temperature module

BM12-PD-B-口R口□

BM12 mounting schematic and sizing example

BM14 typewall temperaturemodule

BM14-□-□-□-□

BM14 mounting schematic and sizing example

BM16 type wall temperature module(magnet type)

①②

BM16-□-R□

BM16 mounting schematic and sizing example

BM18 wal temperature module (blade type thermocouple for temperature measurementatthe furnace tube)-in the direction of pipeaxis

BM18-□R口-□□-□

BM18 mounting schematic and sizing example

BM19 walltemperaturemodule (blade type thermocouple for temperature measurement at the furnace tube)-inth direction of pipe section

BM19-□R口-□□-□

BM19 mounting schematic and sizing example

BM20 walltemperature module (dismountablewalltemperature thermocouple for temperature measurement at the furnace tube)

BM20-□R口-□□-□

BM20 mounting schematic and sizing example

Endface Thermocouple (RTD)

Endface RTD (thermocouple)

TheendfaceRTD/thermocouple issuitable formeasuring thetemperatureofstationarysurface,especiallyformeasuring thetemperatureofsteam turbinethrustbearing shelsand waterpipesofdual internal watercooled generator.Itcanalso be used for bearing temperature measurement of large general units,fans and air compressors,etc.

MainSpecification

Endface RTD

① ② ③ ④567 8 ⑨ {10}

WZ□M□-001□-□□□□-口-□-□

Endface thermocouple

① （204号 ② （204号 ③ （20 ④567 （20 ⑧ WR口M口-001□-口口口□-□

SBW□ Integrated Temperature Transmitter with Thermocouple (RTD)

■SBW SeriesIntegrated Temperature Transmitter sBwa.b.cd/①（②）③-④⑤⑥⑦+⑧

Complete Product Code Example

SBWF Split Temperature Transmitter

SBWF./①（②）③-④⑤⑥⑦/⑧③①-①/②③④⑤/①

Complete Product Code Example

Example1:SBWF.T0.ZT00/TS2(0\~150)K-XXXX/7M20A6-15 Example2:SBWF.T1.ZT01/TS3(0\~100)P2-ELXX/9A(2N1)A4-I5/GX2000FA/ZJ1-A Example 3:SBWF.T1.ZT02/TS3(0\~100)P2-SMXX/9HLN1(A4+T)-I6/GX2000GC/ZJ2-B

•SBW Series Integrated Temperature Transmitter Structural Diagram

NoteEacdddiagram.

· SBWF Split Temperature Transmitter Structural Diagram

Note:Eacddi diagram.

· Split Installation Diagram

WSS Industrial Bimetal Thermometer

WSSBimetal Thermometer

The WSS series bimetalic thermometer isan industrial-grade field instrument designed for medium to low temperature measurement applications.It can directly measure the temperature of gases and liquids,and is widelyused in industriessuchas petroleum,chemical,shipbuilding,machinery,medicine,and electricity servingasasubstitute for glass thermometers.

Our bimetalic thermometers are available in a comprehensive range of specifications.These thermometers are suitable for operation in corosive environments,high-vibration conditions,and other chalenging industrialapplications.Multiple field installationoptionsareavailable，withcompatibityforvarious protective thermowelsand auxiliary accessories.We provide top-quality productsand ensure deliveryas scheduled.

WorkingPrinciple

The bimealicthermometerisdesignedtooperatebasedontheprincipleofsolidthermalexpansionThetemperaturesensing elementconsistsoftwobondedmetalstripswithsubstantiallydiferentthralexpansioncoeficientsformedintoiral configratiotoild stewireshatmperatureansusdiferetialexpsioetweenthactiendpassersofteimetalltriatig rotationaltorque that drives the pointer via the steel shaft to indicate the measured temperature on the dial.

Features

FeaturesdirecttemperaturereadingithclearvisibiltyTheruggedconstructionensuresvibrationresistanceandenanceddrability Availableinompeteodelaraiodspciasitutiplistaltonoosndextenieprotectieubec

Main technical parameters

Applicable industry standards:JB/T 8803-2015 1 Nominal diameter of the dial: 4 - \Phi 1 0 0 \mathsf {mm } ,5-φ150mm/Φ120mm (Note: Please refer to the parameter tableΦD for the actual dimensions of the shell) Accuracy rating (accuracy grade):

Bimetallic thermometer:Class1.0(A), Class1.5(P),Class2.0(B).Class4.0(C)(not recommended)

Thermal response time and compressive strength (recommended maximum static pressure value)

. IP grade: IP65/IP66 Repeatability error: not more than 1 / 2 of the absolute value of the basic error limit Angle adjustment error: <= 1 . 0 % of span (for 9 0 ^ { \circ } adjustable models) Ambient temperature: 4 0 { ~ } 8 0 ^ { \circ } { C } （204号 Relative humidity: < 8 5 % （204号 Hysteresis error:not more than the absolute value of the basic error limit Dial glass: Safety glass Type of measuring junction:

w/protective tube

【Note】Inprinciple,rotectivetubesarelimitedtoamaximumoftwolayers.Three-layerconstructionisnotrecommendeddueto significant impacton thermal responsecharacteristics.

Meterparametersandcharacteristics

WSS type bimetal thermometer (common type)

Structure schematic diagram

Note:Fortfolalrucutcofpratureesuemntsallo installtintovoidendingdetoibrationoavityichaytherisresultininaccuratetmperaturemeasurementorlure

Special thermocouple (RTD) in the chemical industry

WR□KM type multi-point thermocouple for diesel hydrogenation reactor (w/side leak detector)

The multi-point and multi-branch sheathed thermocouples (with leak detector) are suitable for temperature measurement in hydrogenation refining，hydrodesulfurization,and hydrocracking units in the petrochemical industry，as well as various hydrogenation reaction units in the chemical industry.

Hydrogenation reactions generally take place at constant hydrogen partial pressure and high reaction temperature.Thermocouples must work in a way adapted to the characteristics of high temperature，high pressure，and hydrogen flammable and explosive environments，which featuresonline leakage monitoringcapability，and havemorereliable sealingandsafety functions to ensure equipment safety.

Product Characteristics

* It is designed to meet the operational requirements of high pressure, high temperature, hydrogen environment,highly toxic substances,and highly corrosive media.
\blacktriangle Furthermore,it shall meet the requirements of response time,operating pressure, operating temperature，measurement range，measurement accuracy,explosion-proof level,protection level,etc.
\blacktriangle The thermocouple shall be certified for S1L2 functional safety requirements.
\blacktriangle It shall work with a secondary sealing detection system,using a double sealing structure of an integral welding type.
\blacktriangle The secondary sealing detection system shall be equipped with a pressure gauge or a pressure transmitter.
* Themanufacturing technology for high-pressure hydrogenation reactor sheathed thermocouples utilizes our proprietary core technology,employing an integral extrusion molding process to ensure that there is sufficient dense magnesium oxide powder between the thermocouple wires,making the temperature measuring element exhibit excellent high-temperature insulation performance and fast thermal response.The number of temperature measuring points is 2-5 (more than 5 points are supplied per agreement).

\blacktriangle Thermocouple junction inspection isperformed using X-raytesting,effectivelyensuring the welding reliabilityof the thermal pole.

WROKS type methanol synthesis column multi-point thermocouple (with side leak detector))

The integrated multi-branch sheathed thermocouples (with leak detector) are suitable for reactor temperature measurement in the petrochemical,coal chemical,and fine chemical industries,etc.The temperature sensing elementsutilize integral extrusion molding technology，which canbe customized according to the process package or operating conditions,and have excelent high pressure resistance performance.Equipped witha leak detection system,it features enhanced sealing reliability and safety functions,ensuring operational safety.

ProductCharacteristics

\blacktriangle It isengineered to meet demanding operational requirements including high pressure, elevated temperatures,hydrogen environments,and exposure to highly toxic and corrosive media.
\blacktriangle Additionally,it complies with stringent specifications for response time,operating pressure and temperature ranges,measurement accuracy，explosion-proof ratings,and protection levels.
\blacktriangle The thermocouple is certified to meet S1L2 functional safety standards.
\bullet It incorporates a secondary seal detection system with a dual-seal,integrally welded structure.
\blacktriangle The secondary seal detection system is equipped with either a pressure gauge or pressure transmitter.
* Thetemperature sensing elements are manufactured using integral extrusion molding, ensuringdense magnesium oxide packing between thermocouple wires for superior high-temperature insulation and rapid thermal response,making them suitable for sheathed elements with diameters ranging from 5to\Phi 1 2 . 7 \ \mathsf { m m }$ .Thenumber of temperature measuring points is 2-10 points.
\blacktriangle Thermocouple junction integrity is verified through \mathsf { x } -raytesting，ensuringreliableweld quality.

WRQKM type EO(ethylene oxide) reactor multi-point thermocouple

The multi-branch multi-point sheathed thermocouples are suitable for temperature measurementof tubular reactors in petrochemical,coal chemical,and fine chemical industries,etc.The product comprises multiple integral multi-point sheathed thermocouples,mounting components,junction boxes，and instalation accessories.The product adopts an anti-disturbance structure and mult-level leak resistance design,ensuring safe and reliable temperature measurement in reactor.

ProductCharacteristics

\blacktriangle It shall be sized to meet the requirements of High-temperature,hydrogen exposure, highly toxic,and highly corrosive media,etc.
\blacktriangle Furthermore,it shall meet the requirements of response time,operating pressure,operating temperature，measurement range， measurement accuracy，explosion-prooflevel, protection level, etc.
\blacktriangle The thermocouple shall be certified for S1L2 functional safety requirements.
\bullet The temperature sensing element is manufactured using either integral extrusion or dual-layer sheathing technology,and can be structurally sized in conjunction with different reactors,providing the optimal component solution.The specific structure of the element is detailed in the chapter "Multi point (Branch) Thermocouple (RTD)".
\blacktriangle The thermal pole inspection is carried out using \mathsf { x } -ray inspection,effectively ensuring the weldingreliabilityof the thermal pole.
* Multi-zone temperature calibration ensures measurement accuracy across the entire temperaturerange.

WR口KS type tubular reactor multi-point thermocouple

The integrated multi-branch sheathed thermocouples (with leak detector)are suitable for reactor temperature measurement in the petrochemical,coal chemical,and fine chemical industries,etc. The temperature measuring components adopt the overall extrusion molding technology or the double-layer armor process,which can be customized according to the process package or operating conditions,and have excellent high pressure resistance performance.Equipped with a leak detection system,it features enhanced sealing reliability and safety functions,ensuring operational safety.

Product Characteristics

\blacktriangle It shall be sized to meet the requirements of high pressure,high temperature,hydrogen exposure,highly toxic,and highly corrosive media,etc.
\blacktriangle Additionally，it complies with stringent specifications for response time，operating pressure and temperature ranges,measurement accuracy,explosion-proof ratings,and protection levels.
\blacktriangle The thermocouple is certified to meet S1L2 functional safetystandards.
\blacktriangle It shall work with a secondary sealing detection system,using a double sealing structure of an integral welding type.
\blacktriangle The secondary sealing detection system shall be equipped with a pressure gauge or a pressure transmitter.
\blacktriangle The temperature sensing elements are manufactured using either integral extrusion or dual-layer sheathing technology，allowing structural optimization for different reactor configurations to provide optimal measurement solutions.The specific structure of the element is detailed in the chapter "Multi point (Branch) Thermocouple (RTD)".It is suitable for thediameterofsheathed components \Phi 3 ~ \Phi 8 .Thenumberof temperature measurement points is 2-30.(No.s of temperature measuring points relate to the diameter)
\blacktriangle The thermal pole inspection is carried out using \mathsf { x } -rayinspection,effectively ensuring the welding reliability of the

thermal pole.

WROKM/WZPKM type Sheathed multi-point thermocouple/RTD

The WR口KM/WZPKM type multi-point sheathed thermocouple/RTD is suitable for temperature measurement in reactors，storage tanks,or devices in various industries.The product consists of multiple sheathed thermocouple/RTD elements, installation components,junction boxes，installation accessories,etc.Optional protective thermowells and wall-mounting devices are available to ensure safe and reliable temperature measurement invarious operating conditions.

Product Characteristics

* It is engineered to withstand demanding conditions including high pressure, elevated temperatures,hydrogen environments,and exposure to highly toxic and corrosive media.
\blacktriangle Additionally, it meets stringent specifications for response time,operating pressure andtemperature ranges, measurementaccuracy, explosion-proof ratings,and protection levels.
\blacktriangle Thethermocouple shall be certified for S1L2 functional safety requirements.
\blacktriangle Thetemperature measuring element is composedofsheathed thermocouples/RTD elements,which can be equipped with wall mounted devices according to the inner diameter of the thermowell to improve the thermal response speed.
* Additional leak detectors may be considered on a case-by-case basis.

WROKM type Sheathed multi-point thermocouple for use in dry coal powder gasifier

WR□KM type multi-point sheathed thermocouples are suitable for temperature measurement in dry coal powder gasifiers.The product consists of several sheathed thermocouple elements, installation components,junction boxes,installation accessories,etc.,and adopts a multi-level leak resistance design to achieve safe and reliable measurement of operating temperature.

ProductCharacteristics

\blacktriangle It is sized to meet the requirements of high pressure, high temperature,etc.
\blacktriangle Furthermore，it shall meet the requirements of response time,operating pressure, operating temperature，measurement range，measurement accuracy，explosion-proof level,protection level,etc.
\blacktriangle The thermocouple shall be certified for S1L2 functional safety requirements.
\bullet The temperature measuring element and wear-resistant head can be replaced separately, which permit easy maintenance and low operating costs.
\blacktriangle It adopts sheathed flexible components ( k + B ) and metal hoses for protection of the outgoing lines so as to ensure dual protection to meet the requirements of long-term operation.
\blacktriangle Additional leak detectors may be considered on a case-by-case basis.

COT plug-in thermocouple for ethylene cracking furnace

In the development of ethylene industry,the outlet temperature of cracking furnace (i.e.COT temp control parameter.TheaccuracyofCOTtemperaturecontrol hascloseconnectiontothe improvementof ethylene cracking performanceand recovery efficiency.This product is mainly used to measure the outlet temperature of ethylene cracking furnace,which is mainly composed of sheathed thermocouples, composite wear-resistant heads,and anti-leak structures.

The product features a specially designed thermowelltip configuration that minimizes media erosionfrom fluid impact,significantly extending thermocouple service life.Moreover,the hot end flow field of the structural thermowellis uniform,with excellent temperature sensing effect and fast thermal response speed The optimized thermowell design ensures uniform hot-end flow characteristics,providing excellent temperature sensing accuracyand rapid thermal response. The thermocouple features the leak resistance with the double ferrule,thermal insulation with insulated cottn,as wellas use ofthe two-stage sealing device to improve the safety of product use.

↑

COT surface thermocouple for ethylene cracking furnace

Thesurface thermocoupleoftheethylenecrackingfurnaceisequippedwithaweldedprotectivethermowellandtheouter thermowellisdirectlyweldedtothesufaceofthefurnacetubeorpipewallavoidingtheerosionofhighfloweloitynd the damageof high-temperature mediumto the temperature measuring element.The protective thermowellis madeof alloy materials that are resistant to hydrogen and sulfur corrosion,with good sulfur resistance.

Thereference junctionutilizesanextendedconfigurationtoisolateitfromfield high-temperaturezones,keeping the thermocouple reference junctionat room temperature without exposure to high-temperature interference.

\bullet Product Characteristics

\blacktriangle Thesensing element is manufacturedas an integral unit using high-temperature alloy sheathing,which has excellent densityand bendability.
\blacktriangle Multi-point calibration ensures precise temperature measurement accuracy.
\bullet The thermocouple shall be certified for S1L2 functional safety requirements.

Structure schematic diagram

Special thermocouple for coal water slurry gasifier

Special thermocouple for coal water slurry gasifier is used for temperature measurement in Texaco gasifier.This product mainly consists of junction boxes，mounting flanges，shock absorbers, wear-resistant protective tubes,and precious metal thermocouples,etc.

Product Characteristics

\blacktriangle Itsservice life is long enough to meet safe operation overa maintenance cycle.
\blacktriangle The temperature measuring element and wear-resistant head can be replaced independentlyafteruse.
\blacktriangle Pressureless-sinteredsub-nano ceramic components provide exceptional high-temperaturewear resistance.
\blacktriangle The product features adjustable insertion depth with ± 1 0 0 \mathsf {mm } range,thus ensuring the longer service life.

Product code

① （204 ② ③ （204号 ④ ⑤ 67890WR口T-5口口QH-口口-口口口口口

Structure schematic diagram

High-temperature thermocouple (purge type )

High temperature thermocouples (purge type) are mainly used in chemical incinerators, sulfurrecovery units，etc.The design incorporatesagas flowpath between the thermocouple sensing element and protective sheath.In the gas path,the inert gas at a given pressure is introduced to eliminate or reduce the infiltration of reducing gas into the thermocouple under high temperature conditions.It can be used as a backup sheathed K/N dividing core tube for temperature measurement during the drying stage.

① （20 ② ③ ④ （204号 ⑤6789①①②③WR口T口-5口口CQ-口口-口口口-口口□-□

Structure schematic diagram

High-temperature thermocouple (leak-proof type)

High-temperature thermocouples (leak proof type) are mainly used in the blast furnaces and chemical incinerators in the metallrgical industry,etc.This product featuresa leak-proof design that prevents high-temperature gas leakage completely caused by damage to the protective tube, thus helping prevent safety accidents.This product is suitable for various sizes of hotair furnaces and incinerators,and features high pressure toleranceand resistance to high-temperatureairflow erosion.

① ②③ ④567890 WR口T-口3口RF-口口-口口口-口□

Structure schematic diagram

Standard Parts

BH01 type Protective tube

① 2 ③④5 ⑥ 7

Example of selection

Parameters:Itegraldrldddproectiveubetesd,teralLrleocssotiod M 2 0 x 1 . 5 Model:BH01-L-S-180A60-M20-12

Structure schematic diagram

BL type Protective tube

①② 3④56789

BL□-□-□□□□-□□-□-□

Exampleof selection

Parameters:Fixed thread installationprotective tube,integral straighttype,insertiondepthof 2 5 0 \mathsf {mm } ，protective tube 1 6 \mathsf {mm } ,installation thread M 2 7 x 2 ,316 steel as its material of construction,overlay welding 1 0 0 \mathsf {mm } ,innerdiameter 7 \mathsf {mm } ，process connection M 2 7 x 2 ： Model:BL01-S-16H250M27-WA100-M27-7

Structure schematic diagram

Specifications for BL01,BL03,BL04,BLO5 types

①② ③④567890①②

BDH typeProtective tube

①②③④567 BDH□-□-□□-□-□-□

Structure schematic diagram

BDL type Protective tube

① （204号 ② ③456 ⑦ ⑧ ③ {10} BDL□-□-□□□□-□□-□-□

Structure schematic diagram

BG type Protective tube

① ② ③④5⑥ ? 890 BG□-□-□□□-□-□-□□□

※Thistypeofprotectivetubeisrecommededforo-presureeargaplicatiossotatitisotusedinpresureearnapicatiosIi strictly prohibited foruse inapplications containing highly hazardousmedium.

Note:Incase of no mounting,the product's total length >= insertiondepth ^ + 25mm; for installation of ferrule thread, the product's total length >= insertiondepth \star 7 0 \mathsf {mm } ；forinstallationof ferrule flangeor loose type flange,theproduct'stotal length >= insertiondepth \mathbf { + \ 1 0 0 \mm }

Structure schematic diagram

SC\~ type Straight connector

①②③④5 SC□-□-□-□-□

SC口type Special mounting base for power plants

① ② （20 ③ ④⑤ SC□-□-□-□-□

Junction box