| 1. | Recommendations for classification of imperfections in pipe joint rings
管道接头用密封圈缺陷分类推荐标准 |
| 2. | Circumferential butt joint ring
周边对接圈 |
| 3. | Corrugated metal joint ring
波形金属接头环 |
| 4. | Jointing materials and compounds - specification for corrugated metal joint rings
接合材料和化合物.波形金属接合环规范 |
| 5. | Rubber scals - joint rings for water supply pipelines up to 110 - specification for materials
110以下热水输送管橡胶密封圈材料规范 |
| 6. | Rubber seals . joint rings for water supply , drainage and sewerage pipelines . specification for materials
橡胶密封件.给排水管及污水管道用接口密封圈.材料规范 |
| 7. | Rubber - recommendations for the workmanship of pipe joint rings - description and classification of imperfections
橡胶管道接口用密封圈制造质量的建议疵点分类与类别 |
| 8. | Couplings for compressed air - claw coupling , 42 mm internal width , with securing nut - coupling with male , female and hose connection ends , joint ring
压缩空气匹配件.爪状匹配件,带安全螺母内部宽度42mm , |
| 9. | Rubber seals - joint rings for pipelines for hot water supply , drainage and sewerage pipelines up to 110 c - specifications for the material
橡胶密封件.温度为110及以下的热水供给排水和污水管道用连接环.材料规范 |
| 10. | Examine the plunger joint ring of electric hydraulic draw stem and pneumatic draw stem in order to ensure the normal operation of transmission device
定期检查电液推杆、气动推杆的活塞密封圈，以保证传动装置正常运行。 |
