美国DWYER德威尔 640-2 差压开关

产品描述

介质:Air and non-combustible, compatible gases.接液材质:Consult factory.温度范围:-30 to 110°F (-34.4 to 43.3°C).压力范围:10 psig (68.95 kPa) continuous, 25 psig (172.4 kPa) surge.开关类型:SPDT.电气指标:Non-inductive: 2.5 A @ 110 VAC, 1.5 A @ 220 VAC, 1 A @ 24 VDC, 0.5 A @ 110 VAC; Inductive: 1 A @ 110 VAC, 0.5 A @ 220 VAC, 0.5 A @ 24 VDC. (De-rate 70-80% for very slow pressure changes.)电气连接:3 screw type, common, normally open and normally closed.过程连接:1/8" female NPT.安装位置:Diaphragm in vertical position. Consult factory for other position orientations.Set Point Adjustment:Screw type.重量:4 lb 13 oz (2.18 kg).机构:CE.选型表格

Model Chart

举例型号	1640	0	AT	Series 1640-0-AT Floating Contact Null Switch for High and Low Actuation, range 0.01-0.2" w.c., with aluminum tag.
系列	1640			Floating Contact Null Switch for High and Low Actuation
量程		0 1 2 5 10 .25KPA 1KPA 1.5KPA 3KPA		0.01 - 0.2" w.c. 0.20-1.0" w.c. 1.0-4.0" w.c. 2.0-6.0" w.c. 3.0-12.0" w.c. 0.05-0.25 kPa 0.4-1.0 kPa 0.5-1.5 kPa 1.0-3.0 kPa
选项			AT LC PRESET ST	Aluminum Tag Less Conduit Preset Stainless Steel Tag