 
 
	YK43X/F/Y空气减压阀
	型号:YK43X/F/Y
	口径:DN15-500
	压力:1.6MPa-16.0MPa
	材质:铸钢、WCB
	
	 
| 
					公称压力(MPa) | 
					1.6 | 
					2.5 | 
					4.0 | 
					6.4 | 
					10.0 | 
					16.0 | ||
| 
					壳化试验压力(MPa) | 
					2.4 | 
					3.75 | 
					6.0 | 
					9.6 | 
					15.0 | 
					24 | ||
| 
					密封试验压力(MPa) | 
					1.6 | 
					2.5 | 
					4.0 | 
					6.4 | 
					10.0 | 
					16.0 | ||
| 
					最高进口压力(MPa) | 
					1.6 | 
					2.5 | 
					4.0 | 
					6.4 | 
					10.0 | 
					16.0 | ||
| 
					出口压力范围(MPa) | 
					1.0-1.0 | 
					0.1-1.6 | 
					0.1-2.5 | 
					0.5-3.5 | 
					0.5-35 | 
					0.5-45 | ||
| 
					压力特性偏差(MPa)△P2P | 
					GB12246-1989 | |||||||
| 
					流量特性偏差(MPa)△P2G | 
					GB12246-1989 | |||||||
| 
					最小压差(MPa) | 
					0.15 | 
					0.15 | 
					0.2 | 
					0.4 | 
					0.8 | 
					1.0 | ||
| 
					渗漏量 | 
					GB12245-1989 | |||||||
|  |  |  |  |  |  |  |  |  | 
| 
					DN | 
					15 | 
					20 | 
					25 | 
					32 | 
					40 | 
					50 | 
					65 | 
					80 | 
					100 | 
					125 | 
					150 | 
					200 | 
					250 | 
					300 | 
					350 | 
					400 | 
					500 | 
| 
					Cv | 
					1 | 
					2.5 | 
					4 | 
					6.5 | 
					9 | 
					16 | 
					25 | 
					36 | 
					64 | 
					100 | 
					140 | 
					250 | 
					400 | 
					570 | 
					780 | 
					1020 | 
					1500 | 
| 
					零件名称 | 
					零件材料 | 
| 
					阀体阀盖底盖 | 
					WCB | 
| 
					阀座阀盘 | 
					2Cr13 | 
| 
					缸套 | 
					2Cr13/铜合金 | 
| 
					活塞 | 
					合金铸铁 | 
| 
					导阀座导阀杆 | 
					2Cr13 | 
| 
					主阀弹簧 | 
					1Cr18Ni9Ti | 
| 
					导阀主弹簧 | 
					50CrVA | 
| 
					调节弹簧 | 
					60Si12Mn | 
| 
					公称通径 DN | 
					外形尺寸 | |||
| 
					L | 
					H | 
					Hl | ||
| 
					1.6/2.5MPa | 
					4.0MPa | |||
| 
					15 | 
					160 | 
					180 | 
					295 | 
					90 | 
| 
					20 | 
					160 | 
					180 | 
					330 | 
					98 | 
| 
					25 | 
					180 | 
					200 | 
					330 | 
					110 | 
| 
					32 | 
					200 | 
					220 | 
					330 | 
					110 | 
| 
					40 | 
					220 | 
					240 | 
					345 | 
					125 | 
| 
					50 | 
					250 | 
					270 | 
					345 | 
					125 | 
| 
					65 | 
					280 | 
					300 | 
					350 | 
					130 | 
| 
					80 | 
					310 | 
					330 | 
					385 | 
					160 | 
| 
					100 | 
					350 | 
					380 | 
					385 | 
					170 | 
| 
					125 | 
					400 | 
					450 | 
					400 | 
					200 | 
| 
					150 | 
					450 | 
					500 | 
					415 | 
					210 | 
| 
					200 | 
					500 | 
					550 | 
					475 | 
					240 | 
| 
					250 | 
					650 | 
					525 | 
					290 | |
| 
					300 | 
					800 | 
					580 | 
					335 | |
| 
					350 | 
					850 | 
					620 | 
					375 | |
| 
					400 | 
					900 | 
					660 | 
					405 | |
| 
					450 | 
					900 | 
					730 | 
					455 | |
| 
					500 | 
					950 | 
					750 | 
					465 | |
| 
					公称通径 DN | 
					外形尺寸 | |||
| 
					L | 
					H | 
					Hl | ||
| 
					6.4MPa | 
					10.0/16.0MPa | |||
| 
					15 | 
					180 | 
					180 | 
					305 | 
					105 | 
| 
					20 | 
					180 | 
					200 | 
					340 | 
					105 | 
| 
					25 | 
					200 | 
					220 | 
					340 | 
					120 | 
| 
					32 | 
					220 | 
					230 | 
					340 | 
					120 | 
| 
					40 | 
					240 | 
					240 | 
					355 | 
					135 | 
| 
					50 | 
					270 | 
					300 | 
					355 | 
					135 | 
| 
					65 | 
					300 | 
					340 | 
					360 | 
					140 | 
| 
					80 | 
					330 | 
					360 | 
					395 | 
					17 | 
| 
					100 | 
					380 | 
					400 | 
					185 | |
| 
					125 | 
					450 | 
					415 | 
					215 | |
| 
					150 | 
					500 | 
					430 | 
					225 | |
| 
					200 | 
					550 | 
					495 | 
					260 | |
| 
					250 | 
					650 | 
					545 | 
					310 | |
| 
					300 | 
					800 | 
					600 | 
					355 | |
| 
					350 | 
					850 | 
					640 | 
					395 | |
| 
					400 | 
					900 | 
					690 | 
					435 | |
| 
					500 | 
					950 |  | 
					780 | 
					495 |