GM-F 304法兰隔膜阀概述

GM High Vacuum(Pressure)Diaphragm Valve

真空隔膜阀GM是三精阀门型设计开发供接通或切断真空系统之用的真空阀门。连接管焊接式真空隔膜阀更是溴化锂制冷设备中的理想配件。高真空隔膜阀的适用介质为空气及非腐蚀性气体。连接法兰标准按GB6070或GB4982规定，也可为连接管焊接型式。

GM vacuum diaphragm valve is a vacuum valve designed and developed by Yongjia Keben Vacuum Valve Factory for connecting or cutting off the vacuum system. The connecting tube soldering vacuum diaphragm valve is an ideal accessory for lithium bromide refrigeration equipment. The suitable medium for high vacuum diaphragm valves is air and non corrosive gases. Connection flange standard according to GB6070 or GB4982, also can be connection pipe welding type.

GGM-F 304法兰隔膜阀主要技术性能

Main Technical Performance

阀门漏率：Valve Leak Rate	≤1.3×10-4Pa.L/S.
适用温度：Applicable Temperature	-25～ 80℃(丁腈橡胶) -30～ 150℃(氟橡胶)
适用范围：Applicability
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

也可按用户要求的连接标准加工

GM-F 304法兰隔膜阀主要零件材料

Materials of Main Parts

阀体、阀板、阀杆：不锈钢

Body, disc and stem: stainless steel

隔膜：硅橡胶、氟橡胶

Diaphragm: silicon rubber, Viton

外形及连接尺寸(mm)

Overall and Connection Dimensions(mm)

活套法兰连接(GB6070)(图一)

Model 型号	DN	Do	D	n-φc	W	H/H1	L
GM-10	10	40	55	4-φ6.6	65	89/99	75
GM-16	16	45	60	4-φ6.6	80	89/99	108
GM-20	20	50	65	4-φ6.6	80	91/102	118
GM-25	25	55	70	4-φ6.6	80	110/123	120
GM-32	32	70	90	4-φ9	80	129/138	146
GM-40	40	80	100	4-φ9	120	139/159	150
GM-50	50	90	110	4-φ9	120	159/186	180

快卸法兰连接(GB4982)(图二)

Model 型号	DN	D1	D	W	H/H1	L
GM-10	10	12.2	30	65	89/99	75
GM-16	16	17.2	30	80	89/99	108
GM-20	20	26.2	40	80	91/102	118
GM-25	25	26.2	40	80	110/123	120
GM-32	32	34.2	55	80	129/138	146
GM-40	40	41.2	55	120	139/159	150
GM-50	50	52.2	75	120	159/186	180

I型焊接管连接(图三)

Model 型号	DN	D	W	H/H1	L
GM-10	10	17	65	89/99	75
GM-25	25	32	80	110/123	120
GM-40	40	45	120	139/159	150
GM-50	50	57	120	159/186	180

II型焊接管连接(图四)

Model 型号	DN	D	W	H/H1	L
GM-10	10	17	65	89/99	75
GM-25	25	32	80	110/123	120
GM-40	40	45	120	139/159	150
GM-50	50	57	120