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Hello, everybody. Could someone to tell me if EPA Method 21 is applicable for control valves and if is there any system of national certification accredited, please ?

hello, everybody Could someone help me about 3.2C inspection, please ? We are the valve manufacturer. One of our clients wants certificates according EN 10204 3.2. In order we issue tests and materials certificates. Valve tests have been witnessed by a third party inspector. The materials...

Hello, everybody. There is inside Nace MR0175/ISO15156(2):2009; A2.1.5 a mention about the metalic coatings. That is a not acceptable for preventing SSC. For standard we offer the bolts and nuts to attend NAce with Zinc plated. The material is correct with Nace (B7M-2HM). Our intention is not...

Please, someone tell me wath means closure test ? In B16.34 and API 598 it´s mentioned. Is it the same hydrostatic test of assembled valve ? I need to write a routine of assembled valve hydrostatic test. I´ll use the same pressure that hydrostatic shell test ? thanks.

Anybody knows labs that perform fire safe tests API607, please?

What does it means the Table 3 in ANSI B16.5 ? How can I undestand the table 3 of the norm ansi b16.5 (pag. 61)? What kind of defects is described in?

What does it means the Table 3 in ANSI B16.5 ? How can I undestand the table 3 of the norm ansi b16.5 (pag. 61)? What kind of defects is described in?