Type	standard type		switch type
	QGCW-SD,SA,SB		QGCWR-SA,SB
Inner dia. D（mm)	Φ20,Φ25,Φ32,Φ40
Max stroke S(mm)	Φ20	Φ25	Φ32	Φ40
	1500	2000	2000	2000
Operating pressure range（MPa）	SD：0.05 to 0.63;SA\SB:0.2 to 0.63
Operating speed range(mm/sec)	200 to 700
Promise proof pressure(MPa)	0.945
Operating temperature range	-10 to 80 ℃（without freeze)
Working medium	clean,dry,compressed air with oil mist
Lubrication	No necessary(or possible)
Buffer style	SD:two sides buffer cushion,SA/SB:two sides buffer cushion+buffer
Magnet retentivity (N)≥	220	340	560	880
Slip-off piston pressure(MPa) ≥	0.7	0.7	0.7	0.7