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Hi Dinu, Thanks for your valuable advice. Type 6B flange can be monogrammed as a blind flange; similarly test flange can also be monogrammed under "blind flange with test port". (NOTE: A blind flange with a test and gauge connector port is sometimes called a test flange.) Since this is allowed...

Hi, API 6A has not mentioned about Type 6B test flanges. Can we use Type 6B blind flange by adding NPT port as a Test flange ? Can we monogram the same test flange? Please advice. Thanks in advance for your suggestions.

Hello, if we designed a customized Cross/Tees whose overall dimensions are not as per API 6A. But bore size, ring grooves and connection holes are as per API 6A. Can we monogramed such customized design? Thanks in advance.

Thanks jmec87 for clarification.

Thanks jmec87 ...

Thank jmec87 for detailed explaination. This means that, Example, for PSL3 Tee of size 12"x12"x12", it is accpeteable to have QTC OD 5" or 4" SQ.for batch type furnace. Whereas For continuous for furnace, the QTC should be OD 10" or 10" SQ.Minimum. Please advice.

Hi, As per API-6A 21st Edition, API 20E bolting should be used for closure bolting as per Sec 8.1 Is it mandatory to purchase bolting from API 20E certified manufacturer ? OR Can we use bolting from local vendor(without API 20E marking) which meets all the requirements of API 20E of Table 1...

Thanks. I agree with your suggestion to follow point#3 as described by you. Tee/Cross is pressure containing part and is in contact with wellbore fluid.So its very difficult to conveincefor API auditor. IS there any interpreation on this topic by API commitee? Thanks for your guidance.

Hi, In API 6A specfication, what is the criteria to decide the QTC size of Studded Cross/Tee product?