GM

This valve is used in vacuum system to cut off or turn on airflow. Medium, connecting ideal accessories more lithium bromide refrigeration equipment in welded pipe.
Note: parameters are for reference only, or are not full. Valve can be used in accordance with the requirements of different pressure, material, diameter, drive, etc.. Specific please contact or online advisory contact. Body: carbon steel, stainless steel
Diaphragm: NBR, fluorine rubber
Stem: stainless steel Applicable temperature: NBR -25~100 C FKM? -30~150 C
Applicable medium: air and non corrosive gas
Scope of application: 10-4 * 105~1.3
Leakage rate: 6.7 * 10-4
Lining layer: electric spark detection
Test and inspection according to GB/T13297 standard
Nominal pressure: PN (Mpa)
Body: PN * 1.5
Seal: PN * 1.1

I type connecting pipe welding (Figure 1)： 

Model	DN	D	H	A	L	L1
GM-10C-H（I）	10	19	80	55	240	120
GM-25C-H（I）	25	32	105	80	240	120
GM-40C-H	40	45	133	100	240	120
GM-50C-H	50	57	157	100	240	120
GM-10D-H（I）	10	19	77．5	50	150	150
GM-25D-H（I）	25	32	105	60	75	75

II type connecting pipe welding (Figure 2)： 

Model	DN	D	H	A	L	L1
GM-10C-H（II）	10	19	80	55	195	120
GM-25C-H（II）	25	32	105	80	236	120
GM-10D-H（II）	10	19	77．5	50	150	75
GM-25D-H（II）	25	32	105	66	175	75

III type connecting pipe welding (Figure 3)： 

Model	DN	D	H	A	L	L1
GM-10C-KF	10	30	12．2	80	55	75
GM-25C-KF	25	40	26．2	105	80	120
GM-40C-KF	40	50	41．2	133	100	120

IIII type connecting pipe welding (Figure 4)： 

Model	DN	D	H	A	L	L1	n-φc
GM-10C	10	46	36	80	55	75	4-φ6
GM-25C	25	70	55	105	80	120	4-φ7
GM-40C	40	100	80	133	100	150	4-φ9
GM-50C	50	110	90	157	100	180	4-φ9