
【产品用途】
DJ41Y、DJ41W 型 PN16~PN40 低温截止阀适用于低温液体贮运设备的管理系统,具有开关灵活、密封可靠的特点,也可用于其他低温和深冷介质的管理系统。
【执行标准】
设计与制造:JB/T7749-95
结构长度:GB/T12221-89
连接端:GB/T9113-2000,HG20592-97,SH3406-96GB/T12224-89
检验与试验:JB/T7749-95
【性能参数】
| 
				 型号  | 
			
				 DJ41Y-16  | 
			
				 DJ41Y-16P  | 
			
				 DJ41Y-25  | 
			
				 DJ41Y-25P  | 
			
				 DJ41Y-40  | 
			
				 DJ41Y-40P  | 
		|
| 
				 工作压力(MPa)  | 
			
				 1.6  | 
			
				 2.5  | 
			
				 4  | 
		||||
| 
				 适用温度(℃)  | 
			
				 -45  | 
			
				 -101  | 
			
				 -196  | 
		||||
| 
				 适用介质  | 
			
				 液化天然气、乙烯、丙烯等低温介质  | 
		||||||
| 
				 材料  | 
			
				 阀体、阀盖  | 
			
				 LCB  | 
			
				 LC3  | 
			
				 LCB  | 
			
				 LC3  | 
			
				 LCB  | 
			
				 LC3  | 
		
| 
				 阀瓣、阀座  | 
			
				 铬镍钢+钴铬钨  | 
		||||||
| 
				 阀杆  | 
			
				 铬镍钢  | 
		||||||
【主要外形和连接尺寸】
| 
				 公称通径  | 
			
				 主要外形尺寸和连接尺寸  | 
			
				 H  | 
		||||||||
| 
				 L  | 
			
				 D  | 
			
				 D1  | 
			
				 D2  | 
			
				 b  | 
			
				 Z-d  | 
			
				 D0  | 
			
				 -46℃  | 
			
				 -101℃  | 
			
				 -196℃  | 
		|
| 
				 DJ41Y-16C DJ41Y-16P DJ41Y-16R DJ641Y-16C DJ641Y-16P DJ641Y-16R DJ9B41Y-16C DJ9B41Y-16P DJ9B41Y-16R  | 
		||||||||||
| 
				 50  | 
			
				 230  | 
			
				 160  | 
			
				 125  | 
			
				 100  | 
			
				 16  | 
			
				 4-18  | 
			
				 240  | 
			
				 460  | 
			
				 480  | 
			
				 520  | 
		
| 
				 65  | 
			
				 290  | 
			
				 180  | 
			
				 145  | 
			
				 120  | 
			
				 18  | 
			
				 4-18  | 
			
				 280  | 
			
				 475  | 
			
				 505  | 
			
				 525  | 
		
| 
				 80  | 
			
				 310  | 
			
				 195  | 
			
				 160  | 
			
				 135  | 
			
				 20  | 
			
				 4-18  | 
			
				 280  | 
			
				 520  | 
			
				 550  | 
			
				 590  | 
		
| 
				 100  | 
			
				 350  | 
			
				 215  | 
			
				 180  | 
			
				 155  | 
			
				 20  | 
			
				 8-18  | 
			
				 320  | 
			
				 545  | 
			
				 575  | 
			
				 615  | 
		
| 
				 125  | 
			
				 400  | 
			
				 245  | 
			
				 210  | 
			
				 185  | 
			
				 22  | 
			
				 8-18  | 
			
				 360  | 
			
				 590  | 
			
				 620  | 
			
				 660  | 
		
| 
				 150  | 
			
				 480  | 
			
				 280  | 
			
				 240  | 
			
				 210  | 
			
				 24  | 
			
				 8-23  | 
			
				 400  | 
			
				 650  | 
			
				 650  | 
			
				 730  | 
		
| 
				 200  | 
			
				 600  | 
			
				 335  | 
			
				 295  | 
			
				 265  | 
			
				 26  | 
			
				 12-23  | 
			
				 400  | 
			
				 850  | 
			
				 850  | 
			
				 930  | 
		
| 
				 250  | 
			
				 730  | 
			
				 405  | 
			
				 355  | 
			
				 320  | 
			
				 30  | 
			
				 12-25  | 
			
				 450  | 
			
				 956  | 
			
				 986  | 
			
				 1036  | 
		
| 
				 300  | 
			
				 850  | 
			
				 460  | 
			
				 410  | 
			
				 375  | 
			
				 30  | 
			
				 12-25  | 
			
				 500  | 
			
				 1095  | 
			
				 1125  | 
			
				 1175  | 
		
| 
				 DJ41Y-25 DJ41Y-25P DJ41Y-25R DJ641Y-25C DJ641Y-25P DJ641Y-25R DJ9B41Y-25C DJ9B41Y-25P DJ9B41Y-25R  | 
		||||||||||
| 
				 50  | 
			
				 230  | 
			
				 160  | 
			
				 125  | 
			
				 100  | 
			
				 20  | 
			
				 4-18  | 
			
				 240  | 
			
				 460  | 
			
				 480  | 
			
				 520  | 
		
| 
				 65  | 
			
				 290  | 
			
				 180  | 
			
				 145  | 
			
				 120  | 
			
				 22  | 
			
				 8-18  | 
			
				 280  | 
			
				 475  | 
			
				 505  | 
			
				 525  | 
		
| 
				 80  | 
			
				 310  | 
			
				 195  | 
			
				 160  | 
			
				 135  | 
			
				 22  | 
			
				 8-18  | 
			
				 280  | 
			
				 520  | 
			
				 550  | 
			
				 590  | 
		
| 
				 100  | 
			
				 350  | 
			
				 230  | 
			
				 190  | 
			
				 160  | 
			
				 24  | 
			
				 8-23  | 
			
				 320  | 
			
				 545  | 
			
				 575  | 
			
				 615  | 
		
| 
				 125  | 
			
				 400  | 
			
				 270  | 
			
				 220  | 
			
				 188  | 
			
				 28  | 
			
				 8-25  | 
			
				 360  | 
			
				 590  | 
			
				 620  | 
			
				 660  | 
		
| 
				 150  | 
			
				 480  | 
			
				 300  | 
			
				 250  | 
			
				 218  | 
			
				 30  | 
			
				 8-25  | 
			
				 400  | 
			
				 650  | 
			
				 680  | 
			
				 730  | 
		
| 
				 200  | 
			
				 600  | 
			
				 360  | 
			
				 310  | 
			
				 278  | 
			
				 34  | 
			
				 12-25  | 
			
				 400  | 
			
				 850  | 
			
				 880  | 
			
				 930  | 
		
| 
				 250  | 
			
				 730  | 
			
				 425  | 
			
				 370  | 
			
				 332  | 
			
				 36  | 
			
				 12-30  | 
			
				 450  | 
			
				 956  | 
			
				 986  | 
			
				 1036  | 
		
| 
				 300  | 
			
				 850  | 
			
				 485  | 
			
				 430  | 
			
				 390  | 
			
				 40  | 
			
				 16-30  | 
			
				 500  | 
			
				 1095  | 
			
				 1125  | 
			
				 1175  | 
		
| 
				 DJ41Y-40 DJ41Y-40P DJ41Y-40R DJ641Y-40C DJ641Y-40P DJ641Y-40R DJ9B41Y-40C DJ9B41Y-40P DJ9B41Y-40R  | 
		||||||||||
| 
				 50  | 
			
				 230  | 
			
				 160  | 
			
				 125  | 
			
				 100  | 
			
				 20  | 
			
				 -  | 
			
				 240  | 
			
				 483  | 
			
				 504  | 
			
				 546  | 
		
| 
				 65  | 
			
				 290  | 
			
				 180  | 
			
				 145  | 
			
				 120  | 
			
				 22  | 
			
				 -  | 
			
				 280  | 
			
				 499  | 
			
				 530  | 
			
				 551  | 
		
| 
				 80  | 
			
				 310  | 
			
				 195  | 
			
				 160  | 
			
				 135  | 
			
				 22  | 
			
				 -  | 
			
				 280  | 
			
				 546  | 
			
				 578  | 
			
				 620  | 
		
| 
				 100  | 
			
				 350  | 
			
				 230  | 
			
				 190  | 
			
				 160  | 
			
				 24  | 
			
				 -  | 
			
				 320  | 
			
				 572  | 
			
				 604  | 
			
				 646  | 
		
| 
				 125  | 
			
				 400  | 
			
				 270  | 
			
				 220  | 
			
				 188  | 
			
				 28  | 
			
				 -  | 
			
				 360  | 
			
				 620  | 
			
				 61  | 
			
				 693  | 
		
| 
				 150  | 
			
				 480  | 
			
				 300  | 
			
				 250  | 
			
				 218  | 
			
				 30  | 
			
				 -  | 
			
				 400  | 
			
				 683  | 
			
				 741  | 
			
				 767  | 
		
| 
				 200  | 
			
				 600  | 
			
				 360  | 
			
				 320  | 
			
				 282  | 
			
				 38  | 
			
				 -  | 
			
				 400  | 
			
				 893  | 
			
				 924  | 
			
				 977  | 
		
| 
				 250  | 
			
				 730  | 
			
				 425  | 
			
				 385  | 
			
				 345  | 
			
				 42  | 
			
				 -  | 
			
				 450  | 
			
				 1004  | 
			
				 1035  | 
			
				 1088  | 
		
| 
				 300  | 
			
				 850  | 
			
				 485  | 
			
				 450  | 
			
				 408  | 
			
				 46  | 
			
				 -  | 
			
				 500  | 
			
				 1150  | 
			
				 1181  | 
			
				 1234  |