Any complain about the received products regarding the quantity or manufacture

Any complain about the received products regarding

This preview shows page 124 - 125 out of 483 pages.

Any complain about the received products, regarding the quantity or manufacture different from the order, must be received in written from by the NGI srl within 10 days from the delivery. 2. GENERAL NOTES AT THE DELIVERY At the valve delivery make sure that: - The packing is undamaged. - The supply corresponds to the order specifications. - Nothing has been damaged. In case of damages or missing parts, report immediately and in details to the delivery carrier, the NGI or the zone agent. The drawings or any other document delivered with the valve are property of the NGI which reserves all rights about it and can not be given to others. Therefore the reproduction, even if partial, of the text or the illustration is forbidden. SUGGESTION: INSTALL THE VALVES IMMEDIATELY AND DON’T LET THEM LONG TIME INACTIVE. 3. VALVE DESCRIPTION The NGI spring loaded safety valves for vapours, gas or liquids, are the result of a great experience matured during tens of years in several different applications, ad fulfil widely to all the requisites of last defense of the pressure machines. They are fully able to impede that the pressure does not go over the maximum allowed one, even if the other independent security systems mounted upstream are jammed. The safety valves NGI consist of a body in brass or in stainless steel and highly resistant to high temperatures. They are supplied with a spindle, a seat and a disk in stainless steel which guarantee the best performance time through. The standard thread allow any connection All the valves are calibrated in factory to guarantee the maximum security and the minimum maintenance. Therefore please read carefully this manual in order to take all the advantages and securities that the installations, where the NGI valves are mounted, need. 4. SFETY PRESCRIPTIONS Before any service or maintenance operation make sure that there is no pressure in the installation. Any regulation or set-up must be strictly accomplished by specialized technicians, who know the dangers of security valves. ATTENTION TO TOXIC GASES If the valve is mounted on acid containers, wear GLASSES, GLOVES, and other INDIVIDUAL PROTECTIONS. If the valve is not well secured there could be vibration danger. Therefore make sure that the fixings are fully tightened. The valve can operate after being certified with lead seal I.S.P.E.S.I., or having testing certification NGI or other institute. The Certification carries exactly the calibration of the valve (see lead seal). When a valve working is being tested or when the installation is working and the valve is not connected to an exhaust, nobody must stand in direction of the outlet. Before operating on a valve, make sure that it is at room temperature. DANGER OF COLD SCALD OR HOT SCALD.
Image of page 124
Image of page 125

You've reached the end of your free preview.

Want to read all 483 pages?

  • Winter '15
  • ProfessorTronato
  • MACCHINA, Pressione, Scambiatore di calore, Compressore, Serbatoio

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern

Stuck? We have tutors online 24/7 who can help you get unstuck.
A+ icon
Ask Expert Tutors You can ask You can ask You can ask (will expire )
Answers in as fast as 15 minutes
A+ icon
Ask Expert Tutors