NB/T 31023-2021 English PDF

US$259.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
NB/T 31023-2021: (Wind turbine main shaft disc brake)
Status: Valid

NB/T 31023: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
NB/T 31023-2021	259	Add to Cart	3 days	(Wind turbine main shaft disc brake)	Valid
NB/T 31023-2012	479	Add to Cart	3 days	Hydraulic caliper disc brake for speed-shaft of wind turbine generator systems	Obsolete

Similar standards

GB/T 25389.1   GB/T 25389.2   NB/T 31006   NB/T 31024   NB/T 31025   NB/T 31022   

Basic data

Standard ID: NB/T 31023-2021 (NB/T31023-2021)
Description (Translated English): (Wind turbine main shaft disc brake)
Sector / Industry: Energy Industry Standard (Recommended)
Classification of Chinese Standard: F11
Word Count Estimation: 11,116
Issuing agency(ies): National Energy Administration

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Question 5: Should I purchase the latest version NB/T 31023-2021?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version NB/T 31023-2021 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.