一、进口弹簧全启封闭式安全阀产品概述 品牌:美国威盾VTON 进口弹簧全启封闭式安全阀,Spring full open type closed safety valve, 也叫封闭式安全阀,全启封闭式安全阀,封闭全启式安全阀,封闭式法兰安全阀,不锈钢封闭式氢气安全阀,是指封闭式,弹簧全启式结构,法兰连接,材质有铸钢,不锈钢的安全阀。 美国威盾VTON弹簧全启封闭式安全阀适用于工作温度≤300℃空气、石油气、液体等介质的设备和管路上。不锈钢弹簧全启封闭式安全阀适用于工作温度≤200℃有腐蚀性的介质的设备和管路上,作为超压保护装置。   二、进口弹簧全启封闭式安全阀技术参数 口径:DN15-300 公称压力:PN16-320 整定压力:PN16-320 连接方式:法兰 结构形式:弹簧全启封闭式 阀体材质:铸钢,不锈钢 适用温度:-40℃-550℃ 适用介质:水,油品,蒸汽以及腐蚀性介质   三、进口弹簧全启封闭式安全阀零件材料 NO  | 零件名称  | 材料  |  1  | 阀座  | 2Cr13  |  2  | 阀体  | WCB  |  3  | 调节圈  | 2Cr13  |  4  | 反冲盘  | 2Cr13  |  5  | 阀瓣  | 2Cr13+PTFE  |  6  | 导向套  | 2Cr13  |  7  | 阀盖  | ZG230-450  |  8  | 弹簧  | 50CrVA  |  9  | 阀杆  | 2Cr13  |  10  | 调整螺杆  | 45  |  11  | 阀帽  | ZG200-400  |  
   四、进口弹簧全启封闭式安全阀连接尺寸  
 型号  | 公称通径  | do  | D  | K  | g  | g1  | b  | f  | f1  | Z-d  | DN  | D1  | K1  | g2  | b1  | f  | Z1-d1  | L  | L1  | ≈H  |  PN16  | 20  | 15  | 105  | 75  | /  | 55  | 16  | 2  | /  | 4-14  | 25  | 115  | 85  | 65  | 16  | 2  | 4-14  | 110  | 95  | 378  |  25  | 16  | 115  | 85  | /  | 65  | 16  | 2  | /  | 4-14  | 32  | 140  | 100  | 78  | 18  | 2  | 4-18  | 110  | 95  | 378  |  32  | 20  | 140  | 100  | /  | 78  | 18  | 2  | /  | 4-18  | 40  | 150  | 110  | 85  | 18  | 3  | 4-18  | 115  | 100  | 378  |  40  | 25  | 150  | 110  | /  | 85  | 18  | 3  | /  | 4-18  | 50  | 165  | 125  | 100  | 20  | 3  | 4-18  | 120  | 110  | 406  |  50  | 32  | 165  | 125  | /  | 100  | 20  | 3  | /  | 4-18  | 65  | 185  | 145  | 120  | 20  | 3  | 4-18  | 135  | 120  | 450  |  65  | 40  | 185  | 145  | /  | 120  | 20  | 3  | /  | 4-18  | 80  | 200  | 160  | 135  | 20  | 3  | 8-18  | 160  | 140  | 520  |  80  | 50  | 200  | 160  | /  | 135  | 20  | 3  | /  | 8-18  | 100  | 220  | 180  | 155  | 22  | 3  | 8-18  | 170  | 135  | 525  |  100  | 65  | 220  | 180  | /  | 155  | 22  | 3  | /  | 8-18  | 125  | 250  | 210  | 185  | 22  | 3  | 8-18  | 195  | 175  | 690  |  125  | 80  | 250  | 210  | /  | 185  | 22  | 3  | /  | 8-18  | 150  | 285  | 240  | 210  | 24  | 3  | 8-23  | 210  | 190  | 780  |  150  | 100  | 285  | 240  | /  | 210  | 24  | 3  | /  | 8-23  | 175  | 310  | 270  | 240  | 26  | 3  | 8-23  | 255  | 230  | 838  |  200  | 125  | 340  | 295  | /  | 265  | 26  | 3  | /  | 12-23  | 250  | 405  | 355  | 320  | 30  | 3  | 12-26  | 300  | 260  | 992  |  250  | 150  | 405  | 355  | /  | 320  | 30  | 3  | /  | 12-26  | 300  | 460  | 410  | 375  | 30  | 4  | 12-26  | 350  | 320  | 1266  |  300  | 220  | 460  | 410  | /  | 375  | 30  | 4  | /  | 12-26  | 400  | 580  | 525  | 485  | 36  | 4  | 16-30  | 370  | 350  | 1283  |  350  | 250  | 520  | 470  | /  | 435  | 34  | 4  | /  | 16-26  | 500  | 715  | 650  | 608  | 44  | 4  | 20-34  | 500  | 450  | 1520  |  400  | 280  | 580  | 525  | /  | 485  | 36  | 4  | /  | 16-30  | 500  | 715  | 650  | 608  | 44  | 4  | 20-34  | 500  | 450  | 1530  |  PN25  | 20  | 15  | 105  | 75  | /  | 55  | 16  | 2  | /  | 4-14  | 25  | 115  | 85  | 65  | 16  | 2  | 4-14  | 110  | 95  | 378  |  25  | 16  | 115  | 85  | /  | 65  | 16  | 2  | /  | 4-14  | 32  | 140  | 100  | 78  | 18  | 2  | 4-18  | 110  | 95  | 378  |  32  | 20  | 140  | 100  | /  | 78  | 18  | 2  | /  | 4-18  | 40  | 150  | 110  | 85  | 18  | 3  | 4-18  | 115  | 100  | 378  |  40  | 25  | 150  | 110  | /  | 85  | 18  | 3  | /  | 4-18  | 50  | 165  | 125  | 100  | 20  | 3  | 4-18  | 120  | 110  | 406  |  50  | 32  | 165  | 125  | /  | 100  | 20  | 3  | /  | 4-18  | 65  | 185  | 145  | 120  | 20  | 3  | 4-18  | 135  | 120  | 450  |  65  | 40  | 185  | 145  | /  | 120  | 22  | 3  | /  | 8-18  | 80  | 200  | 160  | 135  | 20  | 3  | 8-18  | 160  | 140  | 520  |  80  | 50  | 200  | 160  | /  | 135  | 22  | 3  | /  | 8-18  | 100  | 220  | 180  | 155  | 22  | 3  | 8-18  | 170  | 135  | 525  |  100  | 65  | 230  | 190  | /  | 160  | 24  | 3  | /  | 8-23  | 125  | 250  | 210  | 185  | 22  | 3  | 8-18  | 195  | 175  | 690  |  125  | 80  | 270  | 220  | /  | 188  | 28  | 3  | /  | 8-26  | 150  | 285  | 240  | 210  | 24  | 3  | 8-23  | 210  | 190  | 780  |  150  | 100  | 300  | 250  | /  | 218  | 30  | 3  | /  | 8-26  | 175  | 310  | 270  | 240  | 26  | 3  | 8-23  | 255  | 230  | 838  |  200  | 125  | 360  | 310  | /  | 278  | 34  | 3  | /  | 12-26  | 250  | 405  | 355  | 320  | 30  | 3  | 12-26  | 300  | 260  | 992  |  250  | 150  | 425  | 370  | /  | 332  | 36  | 3  | /  | 12-30  | 300  | 460  | 410  | 375  | 30  | 4  | 12-26  | 350  | 320  | 1266  |  300  | 220  | 485  | 430  | /  | 390  | 40  | 4  | /  | 16-30  | 400  | 580  | 525  | 485  | 36  | 4  | 16-30  | 370  | 350  | 1283  |  PN40  | 20  | 15  | 105  | 25  | 51  | 55  | 16  | 2  | 4  | 4-14  | 25  | 115  | 85  | 65  | 16  | 2  | 4-14  | 110  | 95  | 378  |  25  | 16  | 115  | 85  | 58  | 65  | 16  | 2  | 4  | 4-14  | 32  | 140  | 100  | 78  | 18  | 2  | 4-18  | 110  | 95  | 378  |  32  | 20  | 140  | 100  | 66  | 78  | 18  | 2  | 4  | 4-18  | 40  | 150  | 110  | 85  | 18  | 3  | 4-18  | 115  | 100  | 378  |  40  | 25  | 150  | 110  | 76  | 85  | 18  | 3  | 4  | 4-18  | 50  | 165  | 125  | 100  | 20  | 3  | 4-18  | 120  | 110  | 406  |  50  | 32  | 165  | 125  | 88  | 100  | 20  | 3  | 4  | 4-18  | 65  | 185  | 145  | 120  | 20  | 3  | 4-18  | 135  | 120  | 450  |  65  | 40  | 185  | 145  | 110  | 120  | 22  | 3  | 4  | 8-18  | 80  | 200  | 160  | 135  | 20  | 3  | 8-18  | 160  | 140  | 520  |  80  | 50  | 200  | 160  | 121  | 135  | 22  | 3  | 4  | 8-18  | 100  | 220  | 180  | 155  | 22  | 3  | 8-18  | 170  | 135  | 525  |  100  | 65  | 235  | 190  | 150  | 160  | 24  | 3  | 4.5  | 8-23  | 125  | 250  | 210  | 185  | 22  | 3  | 8-18  | 195  | 175  | 690  |  125  | 80  | 270  | 220  | 176  | 188  | 28  | 3  | 4.5  | 8-26  | 150  | 285  | 240  | 210  | 24  | 3  | 8-23  | 210  | 190  | 780  |  150  | 100  | 300  | 250  | 204  | 218  | 30  | 3  | 4.5  | 8-26  | 175  | 310  | 270  | 240  | 26  | 3  | 8-23  | 255  | 230  | /  |  
 注:空气或其他气体介质用安全阀,一般选用封闭全启式弹簧安全阀;    |