1620系列 微差壓開關(guān)-德威爾Dwyer
1620系列 微差壓開關(guān) 可靠耐用，安裝簡單，它是*高精度的隔膜密封型微差壓開關(guān)。1626和1627在設(shè)計(jì)和結(jié)構(gòu)上相同，只是1626為單個(gè)開關(guān)，1627為雙開關(guān)。1627的雙開關(guān)各自獨(dú)立，能預(yù)設(shè)設(shè)定點(diǎn)值。這兩種型號開關(guān)的隔膜都被嚴(yán)格密封，保證不泄漏。
注意：只能用于空氣或其它兼容性氣體。
Service: Air and non-combustible, compatible gases.
Wetted Materials: Consult factory.
Temperature Limits: -30 to 130°F (-34.4 to 54.4°C).
Pressure Limits: Max. 50 in. w.c. (12.44 kPa) continuous, 2 psig (13.79 kPa) surge.
Switch Type: 1626: SPDT; 1627: (2) SPDT.
Repeatability: ±1%.
Electrical Rating: 15 A @ 120 to 480 VAC, 60 Hz. Resistive, 1/8 HP @ 125 VAC, 1/4 HP @ 250 VAC, 60 Hz.
Electrical Connections: 3 screw type, common, normally open and normally closed.
Process Connections: 1/8" female NPT.
Mounting Orientation: Diaphragm in vertical position. Consult factory for other position orientations.
Set Point Adjustment: Screw adjustment.
Weight: Model 1626: 3 lb 9.8 oz (1.64 kg); Model 1627: 3 lb 11.8 oz (1.69 kg).
Agency Approvals: CE.
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