详细介绍 ■GUB不锈钢手动真空球阀,内螺纹手动真空球阀,法兰式手动真空球阀主要技术性能Main Technical Performance ■■■ 阀门漏率:Valve Leak Rate ≤1.3×10-4Pa.L/S. 适用温度:Applicable Temperature -30~+150℃ -30~+150℃(PPL密封) 适用范围:Appy Range 连接型式 Loose Flange 使用压力范围(Pa) 活套法兰(GB6070、JB919) 0.6×106~1.3×10-4 焊接法兰(GB6070、JB919) 1.6×106~1.3×10-4 快卸法兰(GB4982) 0.1×106~1.3×10-4 螺纹连接 Threaded Connection 1.6×106~1.3×10-4 ■GUB不锈钢手动真空球阀,内螺纹手动真空球阀,法兰式手动真空球阀主要零件材料Materials of Main Parts ■■阀体、阀盖、阀杆:不锈钢密封件:四氟乙烯、钉腈橡胶、氟橡胶、PPL。Body, disc and stem: stainless steel.Sealing element: PTFE, NBR, Viton, PPL. CONSTRUCTION FIGHTS (mm) ■GUB外形及连接尺寸(mm)(JB919)Overall and Connection Dimensions(mm)■螺纹连接的外形及连接尺寸(图一) Model型号DNGHELGU-10(G)101/4"5210568GU-16(G)161/2"6413072GU-20(G)203/4"6713082GU-25(G)251"8316590GU-32(G)321-1/4"89165112GU-40(G)401-1/2"100190120GU-50(G)502"125190145GU-63(G)632-1/2"150250185GU-80(G)803"161250210GU-100(G)1004"180280268