To provide an alternative to international analogs our company has developed and is manufacturing temperature sensors with a Nichrosil-Nisil thermocouple TNN-231, which has a graphite or case iron sheath.
To prevent the direct action of the measured environment on the sensors Vakuummash is also producing various thermowells, which allow for mounting of sensors without stopping the process.
At our company we have a quality management system conforming to the requirements of ISO 9001 and GOST R ISO 9001, which prescribe strict adherence of purchased equipment to standards of quality, volume and delivery timing of products. For the period of 2009 all products supplied by your company have conformed in quality to all normative documents and orders of our company.
Upon the results of working with you in relation to equipment supplies your company has been added to the number of our reliable and stable suppliers, and evaluated to have the highest category A.
We hope towards the continuation of long-term, fruitful relationship between of our companies.
With this letter I would like to communicate that the thermocouples THAv-2388-01 (sheath material 15Cr25Ti) have been introduced into use at our company in 2001
The following equipment is being used at the following machinery and processes:
For the time of use there were no complaints about the quality of the equipment.
OOO Uralskaya stal is working with OOO NPO Vakuummash since 2003.
During the entire period OOO NPO Vakuummash has been manufacturing and supplying for OOO Uralskaya stal the following equipment:
All equipment manufactured by OOO NPO Vakuummash was supplied in time. Complaints as to the quality of products manufactured by OOO NPO Vakuummash were not had during the entire use period.
We thank you for collaboration and hope for future fruitful work.
Since 2005 our company have been using the products made by NPO Vakuummash. The practice had shown that the thermocouples of your manufacture better keep their metrological characteristics in use than analogous products from other manufacturers (METRAN, CHTP, OVEN, etc.). Beside that, the undoubtful advantages are wide selection of equipment, two-year calibration interval and the supply of product passport with a note on initial calibration for each item, not just per batch.
We also want to note fast resolution of questions and high professional qualities of your specialists (Vahromeeva N. A., Surnin V. I.).
I hope that your collaboration will continue to be as fruitful as it is in the present.
Having conducted supplier evaluation for the 4th quarter of 2005 along the following parameters:
We state that your company is ranked A (excellent supplier).
We hope to continue our relationship along the same well-meaning line.
With this letter I would to communicate that the thermocouples THAv-2388 supplied to our company in 2001 have been introduced into use at our processes. No compains regarding quality is had, metrological characteristics conform to the requirements of technical documents.