model number	Diameter (mm)	technical parameter			outside measurement		attended mode	Body Material
					long	high
ZCT-2H	1	Pressure difference: 0～0.6MPa Working medium: carbon dioxide, argon, acetylene gas. Power supply: AC220V, AC36V, AC24V, AC380V DC110V, DC36V, DC24V			76	53	Φ8 hose tie-in	bronze
	1.5
	2
	2.2
	2.5
ZCT-3	3				38	60	internal thread M10X1
W-2H	2				53	53	Φ5 hose tie-in
2W-3 conjoined	3				83	56	Φ8 hose tie-in
W-2H three-way	2	copycat special solenoid valve			53	56	Φ5 hose tie-in