




YFA48Y高温高压弹簧全启式安全阀
产品简介:
YFA48Y高温高压弹簧全启式安全阀适用于工作温度“C型"≤425℃;“I型"≤500℃;“V型"≤500℃;的蒸汽等介质设备或管路上,作为超压保护装置。连接法兰标准按JB/T……94系列1、系列2。
主要零部件材料:
NO.  | 零件名称  | A48Y-C A44Y-C 材料  | A44Y-P材料  | A44Y-R材料  | 
1  | 阀体  | WCB  | ZG1Cr18Ni9Ti  | CF8M  | 
2  | 阀座  | 2Cr13  | 1Cr18Ni9Ti  | 316  | 
3  | 调节圈  | ZG2Cr13  | ZG1Cr18Ni9Ti  | 0Cr18Ni12Mo2Ti  | 
4  | 反冲盘  | ZG2Cr13  | ZG1Cr18Ni9Ti  | 316  | 
5  | 阀瓣  | 2Cr13  | 1Cr18Ni9Ti  | 316  | 
6  | 导向套  | 2Cr13  | 1Cr18Ni9Ti  | 0Cr18Ni12Mo2Ti  | 
7  | 阀盖  | ZG230-450  | ZG230-450  | ZG230-450  | 
8  | 弹簧  | 50CrVA  | 50CrVA包覆氟塑料  | 50CrVA包覆氟塑料  | 
9  | 阀杆  | 2Cr13  | 1Cr18Ni9Ti  | 1Cr18Ni12Mo2Ti  | 
10  | 扳手  | ZG200-400  | ZG200-400  | ZG200-400  | 
11  | 调整螺杆  | 45  | 2Cr13  | 2Cr13  | 
12  | 保护罩  | ZG200-400  | ZG200-400  | 316  | 
  | 密封面材料  | 堆焊Co基硬质合金  | ||
外形尺寸和连接尺寸:
型号  | 公称通径  | do  | D  | K  | g  | g1  | b  | f  | f1  | Z-?d  | DN’  | D1  | K1  | g3  | g2  | b1  | f’  | f1’  | Z1-?d1  | L  | L1  | ≈H  | 
A48Y-16C A44Y-16C A44Y-16P A44Y-16R  | 20  | 15  | 105  | 75  | 
  | 55  | 16  | 2  | 
  | 4-14  | 25  | 115  | 85  | 
  | 65  | 16  | 2  | 
  | 4-14  | 110  | 95  | 411  | 
25  | 16  | 115  | 85  | 
  | 65  | 16  | 2  | 
  | 4-14  | 32  | 140  | 100  | 
  | 78  | 18  | 2  | 
  | 4-18  | 110  | 95  | 411  | |
32  | 20  | 140  | 100  | 
  | 78  | 18  | 2  | 
  | 4-18  | 40  | 150  | 110  | 
  | 85  | 18  | 3  | 
  | 4-18  | 115  | 100  | 411  | |
40  | 25  | 150  | 110  | 
  | 85  | 18  | 3  | 
  | 4-18  | 50  | 165  | 125  | 
  | 100  | 20  | 3  | 
  | 4-18  | 120  | 110  | 472  | |
50  | 32  | 165  | 125  | 
  | 100  | 20  | 3  | 
  | 4-18  | 65  | 185  | 145  | 
  | 120  | 20  | 3  | 
  | 4-18  | 135  | 120  | 532  | |
65  | 40  | 185  | 145  | 
  | 120  | 20  | 3  | 
  | 4-18  | 80  | 200  | 160  | 
  | 135  | 20  | 3  | 
  | 8-18  | 160  | 140  | 556  | |
80  | 50  | 200  | 160  | 
  | 135  | 20  | 3  | 
  | 8-18  | 100  | 220  | 180  | 
  | 155  | 22  | 3  | 
  | 8-18  | 170  | 135  | 561  | |
100  | 65  | 220  | 180  | 
  | 155  | 20  | 3  | 
  | 8-18  | 125  | 250  | 210  | 
  | 185  | 22  | 3  | 
  | 8-18  | 195  | 175  | 667  | |
125  | 80  | 250  | 210  | 
  | 185  | 22  | 3  | 
  | 8-18  | 150  | 285  | 240  | 
  | 210  | 24  | 3  | 
  | 8-23  | 210  | 190  | 857  | |
150  | 100  | 285  | 240  | 
  | 210  | 24  | 3  | 
  | 8-23  | 175  | 310  | 270  | 
  | 240  | 26  | 3  | 
  | 8-23  | 255  | 230  | 915  | |
200  | 125  | 340  | 295  | 
  | 265  | 26  | 3  | 
  | 12-23  | 250  | 405  | 355  | 
  | 320  | 30  | 3  | 
  | 12-26  | 300  | 260  | 1073  | |
250  | 150  | 405  | 355  | 
  | 320  | 30  | 3  | 
  | 12-26  | 300  | 460  | 410  | 
  | 375  | 30  | 4  | 
  | 12-26  | 350  | 320  | 1307  | |
300  | 220  | 460  | 410  | 
  | 375  | 30  | 4  | 
  | 12-26  | 400  | 580  | 525  | 
  | 485  | 36  | 4  | 
  | 16-30  | 370  | 350  | 1233  | |
350  | 250  | 520  | 470  | 
  | 435  | 34  | 4  | 
  | 16-26  | 500  | 715  | 650  | 
  | 608  | 44  | 4  | 
  | 20-34  | 500  | 450  | 1711  | |
400  | 280  | 580  | 525  | 
  | 485  | 36  | 4  | 
  | 16-30  | 500  | 715  | 650  | 
  | 608  | 44  | 4  | 
  | 20-34  | 500  | 450  | 1780  | |
A48Y-25  | 20  | 15  | 105  | 75  | 
  | 55  | 16  | 2  | 
  | 4-14  | 25  | 115  | 85  | 
  | 65  | 16  | 2  | 
  | 4-14  | 110  | 95  | 411  | 
25  | 16  | 115  | 85  | 
  | 65  | 16  | 2  | 
  | 4-14  | 32  | 140  | 100  | 
  | 78  | 18  | 2  | 
  | 4-18  | 110  | 95  | 411  | |
32  | 20  | 140  | 100  | 
  | 78  | 18  | 2  | 
  | 4-18  | 40  | 150  | 110  | 
  | 85  | 18  | 3  | 
  | 4-18  | 115  | 100  | 411  | |
40  | 25  | 150  | 110  | 
  | 85  | 18  | 3  | 
  | 4-18  | 50  | 165  | 125  | 
  | 100  | 20  | 3  | 
  | 4-18  | 120  | 110  | 472  | |
50  | 32  | 165  | 125  | 
  | 100  | 20  | 3  | 
  | 4-18  | 65  | 185  | 145  | 
  | 120  | 20  | 3  | 
  | 4-18  | 135  | 120  | 532  | |
65  | 40  | 185  | 145  | 
  | 120  | 22  | 3  | 
  | 8-18  | 80  | 200  | 160  | 
  | 135  | 20  | 3  | 
  | 8-18  | 160  | 140  | 556  | |
80  | 50  | 200  | 160  | 
  | 135  | 22  | 3  | 
  | 8-18  | 100  | 220  | 180  | 
  | 155  | 22  | 3  | 
  | 8-18  | 170  | 135  | 561  | |
100  | 65  | 230  | 190  | 
  | 160  | 24  | 3  | 
  | 8-23  | 125  | 250  | 210  | 
  | 185  | 22  | 3  | 
  | 8-18  | 195  | 175  | 667  | |
125  | 80  | 270  | 220  | 
  | 188  | 28  | 3  | 
  | 8-26  | 150  | 285  | 240  | 
  | 210  | 24  | 3  | 
  | 8-23  | 210  | 190  | 857  | |
150  | 100  | 300  | 250  | 
  | 218  | 30  | 3  | 
  | 8-26  | 175  | 310  | 270  | 
  | 240  | 26  | 3  | 
  | 8-23  | 255  | 230  | 915  | |
200  | 125  | 360  | 310  | 
  | 278  | 34  | 3  | 
  | 12-26  | 250  | 405  | 355  | 
  | 320  | 30  | 3  | 
  | 12-26  | 300  | 260  | 1073  | |
250  | 150  | 425  | 370  | 
  | 332  | 36  | 3  | 
  | 12-30  | 300  | 460  | 410  | 
  | 375  | 30  | 4  | 
  | 12-26  | 350  | 320  | 1307  | |
300  | 220  | 485  | 430  | 
  | 390  | 40  | 4  | 
  | 16-30  | 400  | 580  | 525  | 
  | 485  | 36  | 4  | 
  | 16-30  | 370  | 350  | 1233  | |
350  | 250  | 555  | 490  | 
  | 448  | 44  | 4  | 
  | 16-34  | 500  | 715  | 650  | 
  | 608  | 44  | 4  | 
  | 20-34  | 500  | 450  | 1711  | |
400  | 280  | 620  | 550  | 
  | 505  | 48  | 4  | 
  | 16-36  | 500  | 715  | 650  | 
  | 608  | 44  | 4  | 
  | 20-34  | 500  | 450  | 1780  | 
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