JB/T 8937-2025 PDF English
| Std ID | Version | USD | Buy | Deliver [PDF] in | Title (Description) |
| JB/T 8937-2025 | English | RFQ | ASK | 3 days [Need to translate] | (Wafer, lug wafer and flange connection check valves) |
| JB/T 8937-2010 | English | 519 | Add to Cart | 4 days [Need to translate] | Wafer type check valve |
| JB/T 8937-1999 | English | 519 | Add to Cart | 4 days [Need to translate] | Wafer type check valve |
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Basic data
| Standard ID | JB/T 8937-2025 (JB/T8937-2025) |
| Description (Translated English) | (Wafer, lug wafer and flange connection check valves) |
| Sector / Industry | Mechanical & Machinery Industry Standard (Recommended) |
| Classification of Chinese Standard | J16 |
| Classification of International Standard | 23.060.99 |
| Date of Issue | 2025-07-02 |
| Date of Implementation | 2026-02-01 |
| Older Standard (superseded by this standard) | JB/T 8937-2010 |
| Issuing agency(ies) | Ministry of Industry and Information Technology |
| Summary | This standard specifies the structural types, technical requirements, and material requirements of clamp, lug, and flange-connected check valves, describes the corresponding test methods, and specifies the inspection rules, marking, and supply requirements. This standard applies to the manufacture of check valves of the following specifications: �� Nominal size DN50��DN2100 and nominal pressure not exceeding PN400 or nominal size NPS2��NPS84 and nominal pressure not exceeding Class2500. Double-disc swing check valves with clamp, lug, and flange connections��nominal size DN50��DN1200 and nominal pressure not exceeding PN400 or nominal size NPS2��NPS48 and nominal pressure not exceeding Class2500. |
