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Getting started Introduction Safety notes SITRANS T Installing/mounting Temperaturmessumformer SITRANS TH320/TH420/TR320/ Connecting TR420/TF320/TF420 Commissioning Compact Operating Instructions Service and maintenance Technical data Product documentation and support Accessory part sealing plug / thread adapter 7NG0.1. (TH320/420 mA/HART) 7NG0.2. (TR320/420 mA/HART) 7NG0.4. (TF320/420 single chamber housing mA/HART) 7NG0.5.
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Note the following: WARNING Siemens products may only be used for the applications described in the catalog and in the relevant technical documentation. If products and components from other manufacturers are used, these must be recommended or approved by Siemens. Proper transport, storage, installation, assembly, commissioning, operation and maintenance are required to ensure that the products operate safely and without any problems.
Table of contents Getting started ............................7 Commissioning the SITRANS TH/TR with 4 ... 20 mA.............. 7 Commissioning SITRANS TH/TR with HART ................8 Commissioning SITRANS TF with 4 ... 20 mA................. 9 Commissioning SITRANS TF with HART ................. 9 Introduction ............................
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Table of contents 4.1.3.1 Unsuitable cables, cable glands and/or plugs ..............27 Installing SITRANS TH in a connection head ................ 27 4.2.1 Installing the transmitter in the base of the connection head ..........27 4.2.2 Installing the transmitter in the raised cover of the connection head........28 Installing SITRANS TH on DIN rail and G rail ................
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Table of contents Cleaning ..........................68 Maintenance and repair work..................... 69 7.3.1 SITRANS TF ........................69 7.3.1.1 Checking the gaskets ......................70 Absence of pollutants ......................71 Return procedure ....................... 71 Disposal..........................71 Technical data............................73 Operating conditions ......................73 Construction........................
Getting started Commissioning the SITRANS TH/TR with 4 ... 20 mA Condition Before you start, note the following safety notes: • General safety notes (Page 19) • Basic safety notes: Installing/mounting (Page 23) • Basic safety notes: Connecting (Page 37) •...
Getting started 1.4 Commissioning SITRANS TF with HART Commissioning SITRANS TF with 4 ... 20 mA Condition Before you start, note the following safety notes: • General safety notes (Page 19) • Basic safety notes: Installing/mounting (Page 23) • Basic safety notes: Connecting (Page 37) •...
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Getting started 1.4 Commissioning SITRANS TF with HART • Basic safety notes: Connecting (Page 37) • Basic safety notes: Commissioning (Page 61) Read the entire device manual in order to achieve the optimum performance of the device. Procedure 1. Mount the device. Mounting the SITRANS TF single chamber housing (Page 31) Mounting the SITRANS TF dual chamber housing (Page 32) 2.
Introduction Purpose of this documentation These instructions are a brief summary of important features, functions and safety information, and contain all information required for safe use of the device. Read the instructions carefully prior to installation and commissioning. In order to use the device correctly, first review its principle of operation.
Introduction 2.5 Intended use Product compatibility The following table describes the compatibility between the edition of this manual, the device version, the engineering system and the associated EDD. Manual Comments Device version Compatible version of device integration package edition 05/2020 New device fea‐...
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Introduction 2.5 Intended use SITRANS TH420/TR420 The SITRANS TH420/TR420 transmitter with two inputs can be used in all sectors. Its compact size means that it can be installed in connection heads of type B (DIN 43729) or larger. Due to its universal input stage, the following sensors and signal sources can be connected:in redundant operation (high input availability): •...
Introduction 2.6 Nameplate layout Nameplate layout 2.6.1 Nameplate layout SITRANS TH ① Conformity with country-specific guidelines ② Manufacturer's address ③ Place of manufacture ④ Read the compact operating instructions ⑤ CE marking with ID number of the named testing authority ⑥...
Introduction 2.6 Nameplate layout 2.6.2 Nameplate layout SITRANS TR XX.XX.XX ① ⑦ Manufacturer CE marking with ID number of the named testing authority ② ⑧ QR code for mobile website with device-spe‐ Device version cific information about the product ③ ⑨...
Introduction 2.7 Checking the consignment 2.6.3 Nameplate layout SITRANS TF ① ⑤ QR code for mobile website with device- Conformity with country-specific guidelines specific information about the product ② ⑥ Manufacturer Marking for hazardous area ③ ⑦ Serial number CE marking with ID number of the named testing authority First two digits = year of manu‐...
Siemens’ products and solutions undergo continuous development to make them more secure. Siemens strongly recommends that product updates are applied as soon as they are available and that the latest product versions are used. Use of product versions that are no longer supported, and failure to apply the latest updates may increase customer’s exposure to cyber...
The content reflects the technical status at the time of publishing. Siemens reserves the right to make technical changes in the course of further development.
Safety notes Prerequisites for safe use This device left the factory in good working condition. In order to maintain this status and to ensure safe operation of the device, observe these instructions and all the specifications relevant to safety. Observe the information and symbols on the device. Do not remove any information or symbols from the device.
Note Operation under special ambient conditions We highly recommend that you contact your Siemens representative or our application department before you operate the device under special ambient conditions as can be encountered in nuclear power plants or when the device is used for research and development purposes.
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Safety notes 3.3 Use in hazardous areas WARNING Use in hazardous area Risk of explosion. • Only use equipment that is approved for use in the intended hazardous area and labeled accordingly. • Do not use devices that have been operated outside the conditions specified for hazardous areas.
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Safety notes 3.3 Use in hazardous areas ① Yellow area = additional volume when connecting a temperature sensor to a SITRANS TF double chamber housing WARNING Use of incorrect device parts in potentially explosive environments Devices and their associated device parts are either approved for different types of protection or they do not have explosion protection.
Observe the installation requirements according to IEC/EN 60079-11 Section 6.3.13. These requirements are met by the TF320 /420 temperature transmitters and the TS500 temperature sensor from Siemens. SITRANS TH320/TH420/TR320/TR420/TF320/TF420 Compact Operating Instructions, 05/2020, A5E41865021-AC...
Installing/mounting 4.1 Basic safety notes Note the following information for installation in a potentially explosive gas atmosphere: The transmitter/local display must be installed in an enclosure of form B in accordance with DIN 43729 or equivalent so that at least IP20 protection in accordance with IEC/EN 60529 is guaranteed.
Installing/mounting 4.1 Basic safety notes must have an internal Pollution degree 2 or better according to IEC 60664-1. Cable entries and dummy elements must meet the same requirements. Note the following information for installation in a potentially explosive dust atmosphere: If the transmitter/local display is supplied with an intrinsically safe signal "ic"...
Installing/mounting 4.1 Basic safety notes • The transmitter/local display must be installed in a suitable enclosure that complies with the installation requirements of the Canadian Electrical Code (CEC) or, in the USA, the National Electrical Code (NEC). • In the case of enclosures made of non-metallic materials or painted metal, electrostatic charging must be prevented.
Installing/mounting 4.2 Installing SITRANS TH in a connection head 4.1.3 SITRANS TF 4.1.3.1 Unsuitable cables, cable glands and/or plugs WARNING Unsuitable cables, cable glands and/or plugs Risk of explosion in hazardous areas. • Use only cable glands/plugs that comply with the requirements for the relevant type of protection.
Installing/mounting 4.2 Installing SITRANS TH in a connection head Procedure 1. Place the springs on the fixing screws. 2. Secure the lock washers. ① ② Fixing screw M4x35 Transmitter ③ ④ Round plate Lock washer DIN 6799 - 3.2 A2 Figure 4-1 Securing the lock washer 3.
Installing/mounting 4.3 Installing SITRANS TH on DIN rail and G rail Procedure 1. Place the springs on the fixing screws. 2. Secure the transmitter with the fixing screws in the connection head cover. ① ② Transmitter Ceramic base of the measuring element ③...
Installing/mounting 4.4 Installing SITRANS TR on DIN rail Figure 4-4 Securing the transmitter on DIN rails Figure 4-5 Securing the transmitter on G rails Installing SITRANS TR on DIN rail The transmitter is secured to a 35 mm DIN rail in accordance with DIN EN 60715. Comply with the ambient conditions specified in the technical data.
Installing/mounting 4.5 Mounting the SITRANS TF single chamber housing Mounting the SITRANS TF single chamber housing 4.5.1 Mounting the device on the wall or pipe Procedure ① Fastening holes for fastening to a wall or to the pipe clamp ② Fastening holes for fastening the rail to the device ③...
Installing/mounting 4.6 Mounting the SITRANS TF dual chamber housing Procedure 1. Use a 3 mm Allen key to loosen the safety catch. 2. Unscrew the cover. 3. Remove the display from the holder. Figure 4-6 Remove the display 4. Rotate the display in 90° increments to the desired position. 5.
Installing/mounting 4.6 Mounting the SITRANS TF dual chamber housing Procedure ① ⑤ Mounting holes on the enclosure Nut M8 ② ⑥ Mounting holes in the mounting bracket (90° ro‐ Washer DIN 125 - 8.4 tatable) ③ ⑦ Washer DIN 125 - 8.4 Pole clamp for mounting to pole ④...
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Installing/mounting 4.6 Mounting the SITRANS TF dual chamber housing Procedure ① ④ Mounting holes on the enclosure Fixing screws M8 or 5/16 UNF thread ② ⑤ Mounting holes in the mounting bracket Fixing screws (90° rotatable) ③ Washer DIN 125 - 8.4 Figure 4-8 Mounting device to the wall with mounting bracket ①...
Installing/mounting 4.7 Removing Removing WARNING Incorrect disassembly The following risks may result from incorrect disassembly: - Injury through electric shock - Risk through emerging media when connected to the process - Risk of explosion in hazardous area In order to disassemble correctly, observe the following: •...
Connecting Basic safety notes WARNING Connecting or disconnecting in explosive environments Connecting or disconnecting a powered device in explosive environments can lead to an explosion. • Connect and disconnect in non-explosive environments. - or- • Remove power to the device before connecting or disconnecting in explosive atmosphere. WARNING Loss of safety of device with type of protection "Intrinsic safety Ex i"...
Connecting 5.2 Connecting TH320 WARNING Improper power supply Risk of explosion in hazardous areas as result of incorrect power supply. • Connect the device in accordance with the specified power supply and signal circuits. The relevant specifications can be found in the certificates, in Technical data (Page 73) or on the nameplate.
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Connecting 5.2 Connecting TH320 Note the maximum permissible core cross-section (Page 73). Procedure 1. Connect the input or inputs to terminals 3 to 6. 2-wire, 3-wire or 4-wire RTD or TC (internal CJC or linear resistance external 2-wire or 3-wire CJC) I1: Input 1 Voltage input 3-wire or 4-wire potentiometer...
Connecting 5.3 Connecting TH420 Connecting TH420 Requirement If you use stranded wire used, you need a ferrule. Note the maximum permissible core cross-section (Page 73). SITRANS TH320/TH420/TR320/TR420/TF320/TF420 Compact Operating Instructions, 05/2020, A5E41865021-AC...
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Connecting 5.3 Connecting TH420 Procedure 1. Connect the input or inputs to terminals 3 to 9. Input 1 (I1) and/or Input 1 (I1) and/or Input 1 (I1) and/or input 2 (I2): input 2 (I2): input 2 (I2): 2-wire, 3-wire or 4-wire RTD or TC (int.
Connecting 5.4 Connecting TR320 Connecting TR320 Requirement If you use stranded wire used, you need a ferrule. Note the maximum permissible core cross-section (Page 73). SITRANS TH320/TH420/TR320/TR420/TF320/TF420 Compact Operating Instructions, 05/2020, A5E41865021-AC...
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Connecting 5.4 Connecting TR320 Procedure 1. Connect the input or inputs to terminals 5 to 8. The terminals are equipped with a coding profile to ensure intrinsic safety. 2-wire, 3-wire or 4-wire RTD or TC (internal CJC or wire resistance external 2-wire or 3-wire CJC) I1: Input 1 Voltage input (unipolar and bi‐...
Connecting 5.5 Connecting TR420 For devices with HART communication, connect a ≥ 250 Ω resistor. 3. Take the polarity into account. The device has reverse polarity protection. Connecting TR420 Requirement If you use stranded wire used, you need a ferrule. Note the maximum permissible core cross-section (Page 73).
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Connecting 5.5 Connecting TR420 Procedure 1. Connect the input or inputs to terminals 5 to 12. The terminals are equipped with a coding profile to ensure intrinsic safety. Input 1 (I1) and/or input 2 (I2): Input 1 and/or input 2: Voltage input 2-wire, 3-wire or 4-wire RTD or TC (int.
Connecting 5.6 Connecting the SITRANS TF single chamber housing Connecting the SITRANS TF single chamber housing 5.6.1 Opening the device Procedure ① Cover of the electrical cable compartment ② Safety catch Figure 5-1 Opening device with single chamber housing ② 1.
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Connecting 5.6 Connecting the SITRANS TF single chamber housing Procedure 1. Remove the local display from the holder. ① 2. Loosen the fastening screws of the temperature transmitter and remove it. SITRANS TH320/TH420/TR320/TR420/TF320/TF420 Compact Operating Instructions, 05/2020, A5E41865021-AC...
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Connecting 5.6 Connecting the SITRANS TF single chamber housing 3. Increase the protection from high-frequency radiation through shielded connecting cables. ② – Lead the shielded connecting cables through the EMC cable glands - or - ③ – Connect the cable shield to the screw of the ground terminal The screw of the ground terminal is electrically connected to the external protective conductor connection.
Connecting 5.6 Connecting the SITRANS TF single chamber housing 7. Close the device. Closing the device (Page 53) ⑦ 8. Connect the device to the plant with the protective conductor connection 5.6.3 Connecting the SITRANS TF420 single chamber housing Condition The device is opened.
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Connecting 5.6 Connecting the SITRANS TF single chamber housing Procedure 1. Remove the local display from the holder. ① 2. Loosen the fastening screws of the temperature transmitter and remove it. SITRANS TH320/TH420/TR320/TR420/TF320/TF420 Compact Operating Instructions, 05/2020, A5E41865021-AC...
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Connecting 5.6 Connecting the SITRANS TF single chamber housing 3. Increase the protection from high-frequency radiation through shielded connecting cables. ② – Lead the shielded connecting cables through the cable glands - or - ③ – Connect the cable shield to the screw of the ground terminal The screw of the ground terminal is electrically connected to the external protective conductor connection.
Connecting 5.6 Connecting the SITRANS TF single chamber housing 7. Close the device. Closing the device (Page 53) ⑦ 8. Connect the device to the plant with the protective conductor connection 5.6.4 Closing the device Procedure ① Cover ② Safety catch ③...
Connecting 5.7 Connecting the SITRANS TF dual chamber housing Connecting the SITRANS TF dual chamber housing 5.7.1 Opening the device Procedure ① Cover of the electrical cable compartment ② Safety catch (back) Figure 5-5 Rear view of the device ② 1.
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Connecting 5.7 Connecting the SITRANS TF dual chamber housing Procedure ① ⑤ Supply voltage Input terminals ② ⑥ HART communication resistor (optional) Protective conductor connector ③ ⑦ Cable gland Ground terminal ④ Test terminals Figure 5-6 Connecting the device ③ 1.
Connecting 5.7 Connecting the SITRANS TF dual chamber housing ⑤ 6. Connect the input terminals 2-wire, 3-wire or 4-wire RTD or TC (internal CJC or linear resistance external 2-wire or 3-wire CJC) I1: Input 1 Voltage input 3-wire or 4-wire potentiometer (unipolar or bipolar) 7.
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Connecting 5.7 Connecting the SITRANS TF dual chamber housing Procedure ① ⑤ Supply voltage Input terminals ② ⑥ HART communication resistor (optional) Protective conductor connector ③ ⑦ Cable gland Ground terminal ④ Test terminals Figure 5-7 Connecting the device ③ 1.
Commissioning Basic safety notes WARNING Improper commissioning in hazardous areas Device failure or risk of explosion in hazardous areas. • Do not commission the device until it has been mounted completely and connected in accordance with the information in Technical data (Page 73). •...
Commissioning 6.3 Commissioning the SITRANS TH/TR with 4 ... 20 mA Commissioning the SITRANS TH/TR with 4 ... 20 mA Condition Before you start, note the following safety notes: • General safety notes (Page 19) • Basic safety notes: Installing/mounting (Page 23) •...
Commissioning 6.6 Commissioning SITRANS TF with HART Commissioning SITRANS TF with 4 ... 20 mA Condition Before you start, note the following safety notes: • General safety notes (Page 19) • Basic safety notes: Installing/mounting (Page 23) • Basic safety notes: Connecting (Page 37) •...
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Commissioning 6.6 Commissioning SITRANS TF with HART • Basic safety notes: Connecting (Page 37) • Basic safety notes: Commissioning (Page 61) Read the entire device manual in order to achieve the optimum performance of the device. Procedure 1. Mount the device. Mounting the SITRANS TF single chamber housing (Page 31) Mounting the SITRANS TF dual chamber housing (Page 32) 2.
Service and maintenance Basic safety notes Note The device is maintenance-free. 7.1.1 Maintenance The device is maintenance-free. However, a periodic inspection according to pertinent directives and regulations must be carried out. An inspection can include, for example, check of: • Ambient conditions •...
Service and maintenance 7.2 Cleaning CAUTION Releasing button lock Improper modification of parameters could influence process safety. • Make sure that only authorized personnel may cancel the button locking of devices for safety-related applications. NOTICE Penetration of moisture into the device Device damage.
7.3 Maintenance and repair work Maintenance and repair work WARNING Impermissible repair and maintenance of the device • Repair and maintenance must be carried out by Siemens authorized personnel only. WARNING Impermissible repair of explosion protected devices Risk of explosion in hazardous areas •...
WARNING Impermissible repair of explosion protected devices Risk of explosion in hazardous areas • Repair must be carried out by Siemens authorized personnel only. CAUTION Hot surfaces Risk of burns during maintenance work on parts having surface temperatures exceeding 70 °C (158 °F).
Enclose the bill of lading, return document and decontamination certificate in a clear plastic pouch and attach it firmly to the outside of the packaging. Required forms • Delivery note • Return document (http://www.siemens.com/processinstrumentation/returngoodsnote) with the following information: – Product (item description) – Number of returned devices/replacement parts –...
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Service and maintenance 7.6 Disposal Note Special disposal required The device includes components that require special disposal. • Dispose of the device properly and environmentally through a local waste disposal contractor. SITRANS TH320/TH420/TR320/TR420/TF320/TF420 Compact Operating Instructions, 05/2020, A5E41865021-AC...
Technical data 8.3 General specifications General specifications General specifications SITRANS TH/TR SITRANS TF Supply voltage ... 48 V DC Single chamber housing Dual chamber housing ... 30 V DC (Ex i) Without display: Without display: 7.5 ... 48 V DC 8.2 ...
Technical data 8.4 Certificates and approvals Certificates and approvals 8.4.1 ATEX/IECEx and related ATEX/IECEx and others SITRANS TH/TR SITRANS TF Display Certificate number DEKRA 17 ATEX 0116 X DEKRA 19ATEX0106 X DEKRA 19ATEX0105 X A5E43700604A-2018X DEKRA 19ATEX0107 X A5ExxxxxxxA-2018X IECEx DEK 17.0054X IECEx DEK 19.0069X IECEx DEK19.0068X ГОСТ...
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Technical data 8.4 Certificates and approvals ATEX/IECEx and others SITRANS TH/TR SITRANS TF Display Name II 1 G Ex ia IIC T6 ... T4 Ga II 1 G Ex ia IIC T6 ... T4 Ga II 2(1) G Ex ib [ia Ga] IIC T6 ... T4 Gb II 1 D Ex ia IIIC Da •...
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Technical data 8.4 Certificates and approvals ATEX/IECEx and others SITRANS TH/TR SITRANS TF Display Input terminals TH/TR/TF320 SITRANS TH/TF: 3, 4, 5, = 7.2 V DC, I = 12.9 mA, P = 23.3 mW, L = 200 mH, C 6, 7, 8, 9 13.5 μF SITRANS TR: 5, 6, 7, 8, TH/TR/TF420 (input 1 or 2)
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Technical data 8.4 Certificates and approvals ATEX/IECEx and others SITRANS TH/TR SITRANS TF Display Input terminals TH/TR/TF320 SITRANS TH/TF: 3, 4, 5, = 7.2 V DC, I = 12.9 mA, P = 23.3 mW, L = 200 mH, C 6, 7, 8, 9 13.5 μF SITRANS TR: 5, 6, 7, 8, TH/TR/TF420 (input 1 or 2)
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Technical data 8.4 Certificates and approvals ATEX/IECEx and others SITRANS TH/TR SITRANS TF Display Protection against explosion db • IECEx IIC T6 ... T4 Gb Protection against explosion tb IIIC T100°C Db Protection against explosion tc IIIC T100°C Dc • EACEx 1Ex d IIC T6…T4 GbX Ex tb IIC T100°C Db X...
Technical data 8.4 Certificates and approvals 8.4.2 FM/CSA FM/CSA SITRANS TH/TR SITRANS TF Display Certificate number FM-c FM18CA0024X FMxxCAxxxx FM18US0046X FMxxUSxxxx CAN C22.2 No.157-92: (affirmed 2012): CAN C22.2 No. 213-M1987: (affirmed 2008): C22.2 No.30- M1986: (affirmed 2012) C22.2 No. 1010.1:2004; CAN/ CSA-E60079-0:2011: CAN/CSA- E60079-11:2011:...
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Technical data 8.4 Certificates and approvals FM/CSA SITRANS TH/TR SITRANS TF Display Name IS,CL I, Div 1, GP ABCD, T6 ... T4 IS, CL I, II, III, Div 1, GP ABC‐ IS,CL I, Div 1, GP ABCD, T6 ... T4 DEFG, T6 ...
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Technical data 8.4 Certificates and approvals FM/CSA SITRANS TH/TR SITRANS TF Display Name NIFW, CL I, Div 2, GP ABCD T6 ... T4 AEx ic IIC T6 ... T4 Gc Ex ic IIC T6 ... T4 Gc Output terminals = 30 V DC, I = 100 mA, P = 30 V DC, I = 100 mA, Pi =...
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Technical data 8.4 Certificates and approvals FM/CSA SITRANS TH/TR SITRANS TF Display Name NI, CL I, Div 2, GP ABCD T6...T4 CL I, Zone 2, AEx nA IIC T6 ... T4 Gc Ex nA IIC T6 ... T4 Gc CL I, Div 2, GP ABCD, T6…T4 Ex nA IIC T6 ...
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Technical data 8.4 Certificates and approvals FM/CSA SITRANS TH/TR SITRANS TF Display Name CL I, Div 1, GP ABCD T6 … T4 Type 4X CL II/III, Div 1, GP EFG T6 … T4 Type 4X CL II/III, Div 2, GP FG T6 … T4 Type 4X AEx db IIC T6 ...
Technical data 8.5 Display Display Ambient conditions Ambient temperature -20 ... +85 °C (-7 ... +185 °F) You can find the data for use in hazardous areas in the respective certificate. Storage temperature -40 ... +85 °C (-40 ... +185 °F) You can find the data for use in hazardous areas in the respective certificate.
– "Download as html5, only PC": Open or save the manual in the HTML5 view on your PC You can also find manuals with the Mobile app at Industry Online Support (https:// support.industry.siemens.com/cs/ww/de/sc/2067). Download the app to your mobile device and scan the device QR code. Product documentation by serial number Using the PIA Life Cycle Portal, you can access the serial number-specific product information including technical specifications, spare parts, calibration data, or factory certificates.
Additional information on our technical support can be found at Technical Support (http:// www.siemens.com/automation/csi/service). Service & support on the Internet In addition to our technical support, Siemens offers comprehensive online services at Service & Support (http://www.siemens.com/automation/serviceandsupport). Contact If you have further questions about the device, contact your local Siemens representative at Personal Contact (http://www.automation.siemens.com/partner).
Accessory part sealing plug / thread adapter Intended use of accessory part The sealing plug and the thread adapter (components) can be used for installation in electrical equipment of flameproof" "Ex d" type of protection of groups IIA, IIB, IIC as well as dust protection by enclosure "Ex t"...
Accessory part sealing plug / thread adapter B.3 Technical specifications of accessory part Note Loss of type of protection Changes in the ambient conditions can loosen the component. • As part of the recommended maintenance intervals: Check the compression fitting for tight fit and tighten, if necessary.
Accessory part sealing plug / thread adapter B.4 Dimensional drawings of accessory part Dimensional drawings of accessory part Sealing plug Ex d, M25 x 1.5, dimensions in mm Sealing plug Ex d, M20 x 1.5, dimensions in mm SITRANS TH320/TH420/TR320/TR420/TF320/TF420 Compact Operating Instructions, 05/2020, A5E41865021-AC...
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Accessory part sealing plug / thread adapter B.4 Dimensional drawings of accessory part ① Sealing ring: Use for dust protection "Ex t" type of protection. Thread adapter Ex d, M25 x 1.5 on M20 x 1.5 and M25 x 1.5 on ½-14 NPT, dimensions in mm Sealing plug Ex d ½...