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                        | 国标立式止回阀 |  
                        | .jpg)
 主要连接尺寸 
	
		
			| 型号 | 公称通径 DN(mm) | 尺  寸Dimensions(mm) |  
			| L | D | D1 | D2 | b-f | z-Фd |  
			| H H 42w -16
 Y
 | 15 | 85 | 95 | 65 | 45 | 14-2 | 4-Ф14 |  
			| 20 | 95 | 105 | 75 | 55 | 14-2 | 4-Ф14 |  
			| 25 | 105 | 115 | 85 | 65 | 14-2 | 4-Ф14 |  
			| 32 | 150 | 135 | 100 | 78 | 16-2 | 4-Ф18 |  
			| 40 | 160 | 145 | 110 | 85 | 16-3 | 4-Ф18 |  
			| 50 | 170 | 160 | 125 | 100 | 16-3 | 4-Ф18 |  
			| 65 | 180 | 180 | 145 | 120 | 18-3 | 4-Ф18 |  
			| 80 | 200 | 195 | 160 | 135 | 20-3 | 8-Ф18 |  
			| 100 | 210 | 215 | 180 | 155 | 20-3 | 8-Ф18 |  
			| 125 | 275 | 245 | 210 | 185 | 22-3 | 8-+18 |  
			| 150 | 300 | 280 | 240 | 210 | 24-3 | 8-Ф23 |  
			| 200 | 280 | 335 | 295 | 265 | 26-3 | 12-Ф23 |  
			| 250 | 430 | 405 | 355 | 320 | 30-3 | 12-Ф25 |  
			| H H 42W -25
 Y
 | 15 | 85 | 95 | 65 | 45 | 16-2 | 4-Ф14 |  
			| 20 | 95 | 105 | 75 | 55 | 16-2 | 4-Ф14 |  
			| 25 | 105 | 115 | 85 | 65 | 16-2 | 4-Ф14 |  
			| 32 | 150 | 135 | 100 | 78 | 18-2 | 4-Ф18 |  
			| 40 | 160 | 145 | 110 | 85 | 18-3 | 4-Ф18 |  
			| 50 | 170 | 160 | 125 | 100 | 20-3 | 4-Ф18 |  
			| 65 | 180 | 180 | 145 | 120 | 22-3 | 8-Ф18 |  
			| 80 | 200 | 195 | 160 | 135 | 22-3 | 8-Ф18 |  
			| 100 | 210 | 230 | 190 | 160 | 24-3 | 8-Ф23 |  
			| 125 | 275 | 270 | 220 | 188 | 28-3 | 8-Ф25 |  
			| 150 | 300 | 300 | 250 | 218 | 30-3 | 8-Ф25 |  
			| 200 | 380 | 360 | 310 | 278 | 24-3 | 12-Ф25 |  
			| 250 | 430 | 425 | 370 | 335 | 36-3 | 12-Ф30 |  |  |  |  |