JB/T 7252-2018 PDF English
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JB/T 7252: Historical versions
| Std ID | Version | USD | Buy | Deliver [PDF] in | Title (Description) |
| JB/T 7252-2018 | English | 399 | Add to Cart | 4 days [Need to translate] | (Valve orifice plate throttling device) |
| JB/T 7252-1994 | English | 439 | Add to Cart | 3 days [Need to translate] | Valve type orifice plate throttling devices |
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Basic data
| Standard ID | JB/T 7252-2018 (JB/T7252-2018) |
| Description (Translated English) | (Valve orifice plate throttling device) |
| Sector / Industry | Mechanical & Machinery Industry Standard (Recommended) |
| Classification of Chinese Standard | J16 |
| Word Count Estimation | 17,196 |
| Date of Issue | 2018-12-21 |
| Date of Implementation | 2019-10-01 |
| Older Standard (superseded by this standard) | JB/T 7252-1994 |
| Regulation (derived from) | Ministry of Industry and Information Technology Announcement No.67 of 2018 |
| Issuing agency(ies) | Ministry of Industry and Information Technology |
| Summary | This standard specifies the terms and definitions, model preparation and structural types, technical requirements, inspection and test methods, inspection rules, marking, packaging and storage of valve orifice plate throttling devices. This standard applies to nominal pressure PN16 ~ PN250, nominal size DN50 ~ DN700, pressure class Class150 ~ Class1500, nominal size NPS2 ~ NPS28, applicable temperature -29 �� C ~ 121 �� C, suitable medium for natural gas, coalbed methane, water, light oil Light hydrocarbons, etc., adopt standard orifice plate as the throttle member, and the pressure-receiving method is the valve-type orifice plate throttling device with flange pressure. |