美国UE差压开关H117K-545 UE本安防爆压差控制器
H117K-545 本安防爆型差压开关0.3-3.4bar 接液材质聚酰亚胺膜片 1/8NPT内丝接口 耐压2.76MPa
差压开关优点
产品种类齐全
1 差压开关的可调范围从-0.1 到3.45MPA
2传感元件有膜片,波纹管,活塞3种形式
3有特殊场所使用的开关,也有专为OEM用户设计的小型价格低廉开关
4既有固定死区也有可调死区压力开关
5部分机械式差压和温度开关可带现场指示
6有2英寸压力接口防堵式开关也有卫生型平面膜片式开关
产品结构紧凑,经久耐用,外形美观,加工精细
焊接不锈钢设计结构
许多型号的压力开关采用了焊接不锈钢膜片或焊接不锈钢波纹管结构,省略了“O”型环,这种无泄漏的设计提高了危险防爆区域的防火性能,同时提高了耐压性
M201 工厂设定,需指明上升或下降设定
M277 铭牌上用kPa 或MPa 作为压力范围单位,工厂选择。不适用于温度开关
M278 铭牌上用kg/cm2 作为压力单位,不适用于温度开关
M405 符合欧洲ATEX 本质安全标准
M406 符合俄罗斯Gosgortechnadzor 隔爆本质安全标准
H117K差压范围
DIFFERENTIAL PRESSURE MODEL CHART
Model Adjustable Set Point Range Deadband Working Proof
Low end of range on fall; Pressure Pressure
High end of range on rise
Type H117K psi (unless noted) bar (unless noted) psi (unless noted) bar (unless noted) psi (unless noted) bar psi bar
Kapton® diaphragm, Buna N sealing diaphragms and epoxy coated aluminum 1/8” NPT (female) pressure connections
540 0.8 to 7 “wcd 2,0 to 17,4 mbar 0.1 to 1.3 “wc 0,2 to 3,2 mbar 30 “Hg to 200 -1 to 13,8 400 27,6
541 2 to 20 “wcd 5,0 to 49,8 mbar 0.2 to 1.6 “wc 0.5 to 4,0 mbar 30 “Hg to 200 -1 to 13,8 400 27,6
542 5 to 50 “wcd 12,4 to 124,5 mbar 0.4 to 4.0 “wc 1,0 to 10,0 mbar 30 “Hg to 200 -1 to 13,8 400 27,6
543 10 to 200 “wcd 24,9 to 497,8 mbar 0.8 to 12 “wc 2,0 to 29,9 mbar 30 “Hg to 200 -1 to13,8 400 27,6
544 2 to 20 0,1 to 1,4 0.2 to 2 13,8 mbar to 0,1 30 “Hg to 1200 -1 to 82,7 2500 172,4
545 5 to 50 0,3 to 3,4 0.4 to 3 27,6 mbar to 0,2 30 “Hg to 1200 -1 to 82,7 2500 172,4
546 10 to 125 0,7 to 8,6 0.7 to 7 48,3 mbar to 0,5 30 “Hg to 1200 -1 to 82,7 2500 172,4
547 50 to 250 3,4 to 17,2 1 to 15 0,1 to 1,0 30 “Hg to 1200 -1 to 82,7 2500 172,4
548 100 to 500 6,9 to 34,5 2 to 20 0,1 to 1,4 30 “Hg to 1200 -1 to 82,7 2500 172,4
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