model number	Diameter (mm)	technical parameter			outside measurement		attended mode	Body Material
					long	high
2W-3	3	Pressure difference:0～1MPa Working medium: atmosphere, water, sauce, liquid gas, natural gas, coal gas, gas. Fluid temperature: 0～60℃ Power supply: AC380V, AC220V,       AC36V, AC24V DC24V, DC12V			42	75	internal thread G1/8"	bronze
2W-3	3				42	75	internal thread G1/4"	bronze
2W-4	4				42	70	internal thread 1/4"	bronze
2W-10	10				70	120	internal thread G3/8"	bronze
2W-15	15				60	98	internal thread G1/2"	bronze
2W-20	20				65	100	internal thread G3/4"	bronze
2W-25	25				88	108	internal thread G1"	bronze
2W-32	32				104	120	internal thread G1 1/4"	bronze
2W-40	40				120	165	internal thread G1 1/2"	bronze
2W-50	50				145	190	internal thread G2"	bronze