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When welding pressurized equipment and pipes, relevant regulations (standards) require testing in accordance with the weld and hook method of pressure parts, weld method of non-pressure parts (ex. lags) with pressure parts, type of parent material, type of weld rod, preheat temperature, stress relieving method, type of shield gas, etc., and welding using a previously validated method.
Welding engineers, welding methods, and welding method inspection reports certified according to the relevant regulations are required when welding flanges with the wells of our flanged thermowells as well.
We believe that assuring the weld quality required by the relevant regulations (standards) is necessary in preventing any trouble occurring with welds and in enabling the stable operation of applicable equipment and plants. We, therefore, strive to maintain and improve the skills of engineers and of weld quality through the acquisition of compliant engineers and welding certifications.
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| We are in compliance with the Pattern Approval of Measuring Instrument needed in China. Pattern Approval was granted to Yamari by the China State Bureau of Technical Supervision, Measuring Devices Supervision and Management Regulation, Chapter 3: Measuring Devices Import Examination, Article 12: Import Measuring Devices Examination Regulation. Products subject to this certification include thermocouples and resistance temperature detectors.
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We have obtained the certifications of Customs Union and Metrology Pattern Approval in Russian-speaking countries.
We can issue the certificates for our products which have been qualified for its quality and safety.
Our affiliate, Yamari Singapore Pte Ltd, has also obtained the same certifications.
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| 1. Certification of Customs Union |
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We have obtained the certification of Customs Union (TR CU 012/2011) for the safety equipment for use in hazardous environments.
Replacing the GOST-R, this is the certification of Customs Union/EAC conforming to the technical regulations (TR) for the explosion-proof products of sheathed thermocouples and sheathed resistance thermometers
not only in the Russian Federation but also the Eurasian Economic Union (EEU) including the Republic of Kazakhstan and the Republic of Belarus.
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| 2. Certification of Metrology Pattern Approval |
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Approved by the Russian Federation Metrology Technical Standard,
we have obtained the certification of Metrology Pattern Approval for sheathed thermocouples, protection tube-type thermocouples, sheathed resistance thermometers,
and protection tube-type resistance thermometers.
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We comply with the CE mark under the ATEX Explosion-Proof Directive. All products sold in any country where European Union (EU) and European standards are applicable must carry this CE mark. CE marking is obligatory for various devices, parts, consumer electronics, pressure equipment, etc., and currently in practice. ATEX stands for the French word, “Atmospheres Explosibles (explosive atmosphere)”, and any electric appliance and disaster prevention system intended for use in explosive atmospheres are subject to that regulation if they are manufactured, sold, distributed, or installed in EU countries. Technical data compliant with the ATEX Directive has been submitted to the Dutch certification organization KEMA for auditing, and therefore we are in compliance with the CE mark. |
| Certified Products |
Multi-Point Temperature Sensors
Single-Point Temperature Sensors
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| Certified Plants |
Yamari Industries, Takatsuki Plant
Yamari Singapore Pte Ltd
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| Following the ATEX Explosion-Proof Directive, our multi-point temperature
sensors currently also comply with Japanese explosion-proof(flameproof)
standards. Flameproof construction of electric devices means that the
vessel can withstand and will not be damaged by internal explosions caused
by explosive atmospheres that enter it, and the target explosive gas or
vapor outside the vessel cannot ignite through any of the joints or structural
openings. Such devices, therefore, can be used in dangerous places where
explosions may occur. |
| Certified Products |
Multi-Point Temperature Sensors
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| Testing Institute |
Technology Institution of Industrial Safety
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| Characteristics |
High-Strength Stainless Steel
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| Class of Protection |
IP67 (IEC)
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In addition to a wide variety of explosion-proof temperature sensors that comply with Japanese (Technology Institution of Industrial Safety), European (ATEX/DEKRA) and Russian (TR CU) standards listed above,
our products have been certified for Cl.I Div.1 Gr.A/B/C/D or IIC T6 explosion-proof by notified bodies in U.S. (FM), China (NEPSI) and Korea (KOSHA).
We provide temperature sensors that can be used in all explosive gas and vapor atmospheres including hydrogen and acetylene.
Our temperature sensors also have been certified for dust-ignition proof intended for the use in explosive atmospheres caused by air/dust mixtures including metal, coal, crop, etc. in accordance with European (ATEX/DEKRA) and U.S. (FM) standards.
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