| 1. | Kit includes : primary & secondary checks , seat and two union seals
组件包括：第一和第二止回阀，阀座和两个管接头密封。 |
| 2. | Elastomeric seals . materials requirements for pipe joint seals used in water and drainage applications . part 1 : vulcanized rubber
弹性密封件.排水设备用管接头密封件用材料的要求.第1部分:硫化橡胶 |
| 3. | Elastomeric seals - material requirements for pipe joints seals used in water and drainage applications - part 1 : vulcanized rubber
合成橡胶密封件.排水设备用管接头密封件用材料的要求.第1部分:硫化橡胶 |
| 4. | Elastomeric seals - material requirements for pipe joints seals used in water and drainage applications - part 2 : thermoplastic elastomers
合成橡胶密封件.排水设备用管接头密封件用材料的要求.第2部分:热塑性合成橡胶 |
| 5. | Elastomeric seals - materials requirements for pipe joint seals used in water and drainage applications - part 2 : thermoplastic elastomers
合成橡胶密封件.排水设备用管接头密封件用材料的要求.第2部分:热塑性合成橡胶 |
| 6. | Elastomeric seals - material requirements for joint seals used in water and drainage applications - part 3 : cellular materials of vulcanized rubber
合成橡胶密封件.排水设备用管接头密封件用材料的要求.第3部分:硫化橡胶泡沫材料 |
| 7. | Elastomeric seals - materials requirements for pipe joint seals used in water and drainage applications - part 3 : cellular material of vulcanized rubber
合成橡胶密封件.排水设备用管接头密封件用材料的要求.第3部分:硫化橡胶泡沫材料 |
| 8. | Elastomeric seals - material requirements for pipe joint seals in water and drainage applications - part 4 : cast polyurethane sealing elements
合成橡胶密封件.排水设备用管接头密封件用材料的要求.第4部分:浇铸式聚氨基甲酸乙酯密封元件 |
| 9. | Elastomeric seals - materials requirements for pipe joint seals used in water and drainage applications - part 4 : cast polyurethane sealing elements
合成橡胶密封件.排水设备用管接头密封件用材料的要求.第4部分:浇铸式聚氨基甲酸乙酯密封元件 |
