Dwyer AP系列膜片壓力開關

介質(zhì)：空氣，非腐蝕性氣體或液體
可調(diào)范圍：2.5-12.4～69-860Kpa
工作溫度：-34.4-65.6℃
額定壓力：105 KPa或420 KPa或1120 KPa
開關類型：水銀SPDT或快開SPDT

Reliable and convenient, SERIES AP pressure switch is a compact for instrument air or other low pressure applications. Visible set point and external adjustment add convenience. Used on air, non-corrosive gas or liquid service compatible with wetted parts. Unit also available in weatherproof and explosion-proof housing.

Model Description 
AP-153-33  Diaphragm operated pressure switch, range 10" vac-50" w.c. (2.5-12.4 kPa), SPDT mercury switch, low deadband 5" w.c. (1.2 kPa), high deadband 6" w.c. (1.49 kPa), max. pressure 15 psig (1.03 bar). 
AP-153-37  Diaphragm operated pressure switch, range 1-30 psig (.07-2.1 bar), SPDT mercury switch, low deadband 0.4 psig (0.03 bar), high deadband 0.75 psig (0.05 bar), max. pressure 60 psig (4.14 bar). 
AP-153-39  Diaphragm operated pressure switch, range 10-125 psig (.69-8.6 bar), SPDT mercury switch, low deadband 2 psig (0.14 bar), high deadband 6 psig (0.41 bar), max. pressure 160 psig (11.0 bar). 
AP-7021-153-33  Diaphragm operated pressure switch, range 10" vac-50" w.c. (2.5-12.4 kPa), SPDT snap switch, low deadband 8" w.c. (2.0 kPa), high deadband 10" w.c. (2.49 kPa), max. pressure 15 psig (1.03 bar). 
AP-7021-153-37  Diaphragm operated pressure switch, range 1-30 psig (.07-2.1 bar), SPDT snap switch, low deadband 0.75 psig (0.05 bar), high deadband 1.5 psig (0.10 bar), max. pressure 60 psig (4.14 bar). 
AP-7021-153-39  Diaphragm operated pressure switch, range 10-125 psig (.69-8.6 bar), SPDT snap switch, low deadband 3 psig (0.21 bar), high deadband 7 psig (0.48 bar), max. pressure 160 psig (11.0 bar). 
Specifications Dwyer AP系列膜片壓力開關
Wetted Materials: Nylon reinforced Buna-N and steel. PTFE and 316 SS optional. Temperature Limits: -30 to 150°F (-35 to 66°C). Pressure Limit: See Catalog page. Enclosure Rating: General purpose. Weatherproof and explosion-proof optional. Switch Type: SPDT mercury switch or SPDT snap switch. Other switch types available. Electrical Rating: Mercury switch: 4 A @ 120 VAC/DC, 2 A @ 240 VAC/DC. Snap switch: 15 A @ 120 VAC, 8 A @ 240 VAC, 0.5 A @ 120 VDC, 0.25 A @ 240 VDC. Electrical Connections: Screw terminal. Conduit Connection: 7/8" (22.23 mm) hole for 1/2" (12.7 mm) conduit hub. Process Connection: 1/4" female NPT. Mounting Orientation: Vertical for mercury switch models, any position for snap switch models. Set Point Adjustment: External screw. Weight: General Purpose: 2 lb (0.9 kg). Deadband: See Catalog page. Agency Approvals: CE, CSA, FM, UL. For FM consult factory. (Mercury switch units are not CE approved.) Dwyer AP系列膜片壓力開關