DWYER Mercoid SA1100系列膜片式压力开关 

用途：化工、石油、食品、医药等工业
特点：室内外安装、防水防爆设计
范围：0.7-10/1.4-17.2/2-34bar等多种规格
工作温度：-35-+82°C
*大过压：瞬间206bar，过程82.6bar
连接:1/4"或1/2"NPT
设定：现场可调
尺寸：188X101mm
重量：1.59Kg

选型表:

举例 SA11 13 E A 4 K 1   SA1113E-A4-K1 Pressure Control; weatherproof, NEMA 4X,explosion-proof NEMA 7&9; aluminum pressure chamber, Buna-N diaphragm and O-ring; 1/4" female NPT process connection; adjustable deadband; automatic reset; SPDT snap acting switch; adjustable range 30-500 psig. 
结构 SA11               Series Designator, weatherproof NEMA 4X, explosion-proof NEMA 7&9.
可调范围   11             Adjustable range 10-150 psig (0.7-10 bar) 
  12             Adjustable range 20-250 psig (1.4-17.2 bar)
  13             Adjustable range 30-500 psig (2.0-34.0 bar)
开关(Switch)     E           Snap action switch rated 15 A @ 125/250/480 VAC, 1/8 HP @ 125 VAC, 1/4 HP @ 250 VAC, 1/2 A @ 125 VDC resistive, 1/4 A @ 250 VDC resistive
    HS           Hermetically sealed snap action switch rated 5 A @ 125/250 VAC, 5 A resistive @ 30 VDC*
    HG           Hermetically sealed snap action switch with gold contacts rated 1 A @ 125 VAC, 1 A 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 and O-ring
        5       Fluorocarbon diaphragm and O-ring 
开关类型t (Switch)           K     SPDT
          L     DPDT (not available with HS or HG switch options) 
连接             1   1/4 inch female NPT
            2   1/2 inch female NPT 
可选项               DRAIN Housing with drain - allows condensate to be drained from inside enclosure (meets NEMA 3R instead of 4X) 
              ATEX ATEX Certified Construction