Product introduction
概述
	    PH延长环主要用于绝缘子串同金具之间、线夹与绝缘子串之间、避雷线与杆答之间的联结。延长环属于通用连接金具。连接金具分专用连接金具和通用连接金具。
 
	
Instructions for ordering
 
		
 
	
		
		
| 通用设计型号 | 规格型号 | 主要尺寸(mm) | 
						 
							标称破坏
						 
						
							载荷(kN)
						 
					 | 
					
						 
							参考重量
						 
						
							(KG)
						 
					 | 
				||
| C | b | H | ||||
| PH-7 | 20 | 16 | 80 | 70 | 0.4 | |
| PH-10 | 22 | 18 | 100 | 100 | 0.6 | |
| PH-12 | 24 | 20 | 120 | 120 | 0.9 | |
| PH-16 | 26 | 22 | 140 | 160 | 1.5 | |
| PH-21 | 30 | 24 | 160 | 210 | 1.6 | |
| PH-25 | 34 | 26 | 160 | 250 | 2 | |
| PH-30 | 38 | 30 | 180 | 300 | 3 | |
| PH-0780 | 20 | 16 | 80 | 70 | 0.4 | |
| PH-10100 | 22 | 16 | 100 | 100 | 0.5 | |
| PH-12120 | 24 | 18 | 120 | 120 | 0.9 | |
| PH-16120 | 26 | 20 | 120 | 160 | 0.9 | |
| PH-21130 | 26 | 20 | 130 | 210 | 1 | |
| PH-25120 | 32 | 24 | 120 | 250 | 1.3 | |
| PH-32140 | 36 | 28 | 140 | 320 | 2 | |