DWYER Mercoid SA1100系列膜片式压力开关 

选型表:

举例 SA11 13 E A 4 K 1   SA1113E-A4-K1 PressureControl;weatherproof, NEMA 4X,explosion-proof NEMA 7&9;aluminumpressure chamber, Buna-N diaphragm and O-ring; 1/4" femaleNPTprocess connection; adjustable deadband; automatic reset; SPDTsnapacting switch; adjustable range 30-500 psig. 
结构SA11              SeriesDesignator, weatherproof NEMA 4X, explosion-proofNEMA7&9.
可调范围  11            Adjustablerange 10-150 psig (0.7-10 bar) 
 12            Adjustablerange 20-250 psig (1.4-17.2 bar)
 13            Adjustablerange 30-500 psig (2.0-34.0 bar)
开关(Switch)    E          Snapaction switch rated 15 A @ 125/250/480 VAC, 1/8 HP @ 125 VAC,1/4HP @ 250 VAC, 1/2 A @ 125 VDC resistive, 1/4 A @ 250VDCresistive
   HS          Hermeticallysealed snap action switch rated 5 A @ 125/250 VAC, 5 Aresistive @30 VDC*
   HG          Hermeticallysealed snap action switch with gold contacts rated 1 A@ 125 VAC, 1A resistive @ 30 VDC*
压力腔材质(Wetted)      A        Aluminum
     B        Brass
     S        316 SS
膜盒材质(Wetted)        4      Buna-N diaphragm andO-ring
       5      Fluorocarbon diaphragm andO-ring 
开关类型t(Switch)          K    SPDT
         L    DPDT (not available with HS or HG switchoptions) 
连接            1  1/4 inch female NPT
           2  1/2 inch female NPT 
可选项              DRAINHousing with drain - allows condensate to be drained frominsideenclosure (meets NEMA 3R instead of 4X) 
             ATEXATEX Certified Construction