煤气放散阀广泛应用于冶金、建材、化工等行业的煤气、空气和其它气体管道，作为切断气体介质设备，也可用于气体的排放和发散。
The valve is widely used at pipe of coal gas, air and other gas in metallurgy, building material, chemical industries etc. It can be used to cut off gas medium and let out gas.
结构特点：
Structure characteristic:
煤气放散阀结构简单，采用外口密封装置，FSX-1C型为硅橡胶密封圈，FSH-1C型为不锈钢硬密封圈，密封性能可靠。
The valve’s characteristic is simple which has the out seal device. Type FSX-1C has silicon rubber seal. Type FSH-1C has stainless steel hard seal. The seal is reliable.
性能参数；
Performance parameter:
外形图：
FS X H-1C外形连接尺寸：
Appearance joint dimensions:
DN | D0 | D1 | D2 | D | H | E | L | n-d | 重量W (Kg) |
150 | 162 | 280 | 140 | 320 | 160 | 900 | 850 | 8-Φ18 | 165 |
200 | 216 | 335 | 190 | 375 | 160 | 1000 | 850 | 12-Φ18 | 230 |
250 | 270 | 395 | 240 | 440 | 170 | 1100 | 1000 | 12-Φ22 | 325 |
300 | 320 | 445 | 290 | 490 | 190 | 1350 | 1200 | 12-Φ22 | 420 |
350 | 372 | 495 | 340 | 540 | 210 | 1600 | 1500 | 16-Φ22 | 525 |
400 | 422 | 550 | 390 | 595 | 230 | 1800 | 1700 | 16-Φ22 | 640 |
450 | 472 | 600 | 440 | 645 | 250 | 2000 | 1900 | 20-Φ22 | 765 |
500 | 522 | 655 | 490 | 705 | 270 | 2250 | 2100 | 20-Φ26 | 875 |
550 | 572 | 705 | 540 | 755 | 300 | 2500 | 2350 | 20-Φ26 | 990 |
600 | 622 | 760 | 590 | 810 | 330 | 2700 | 2550 | 20-Φ26 | 1110 |