美国UE防爆压力逻辑开关【H121-453  H122-453】

H121型号，单点报警，外部可调，有参考刻度，一个电器接口
H122型号，双点报警，外部可调，有参考刻度，一个电器接口
H121-453 测量原理：1*SPDT膜片测量丁腈橡胶接液材质 压力接口1/4NPT内丝 量程：0-1.4bar/0-0.14MPa 耐压15.5bar
H122-453 测量原理：2*SPDT膜片测量丁腈橡胶接液材质 压力接口1/4NPT内丝 量程：0-1.4bar/0-0.14MPa 耐压15.5bar

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
M421 隔爆接线盒，仅适合俄罗斯隔爆标准
M423 符合ATEX 的隔爆接线盒
M430 盖锁
M444 纸制标牌
M446 不锈钢标牌
M460 外部接地螺钉; 用于非金属管道系统（ATEX 装置）

UE 产品的优点： 
◆ 产品种类齐全
1/  压力开关可调范围从-0.1 到62MPA
2/  温度开关从-50到538摄氏度
3/  差压开关的可调范围从-0.1 到3.45MPA
3/  传感元件有膜片，波纹管，活塞3种形式
4/  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
5/  既有固定死区也有可调死区压力开关
6/  部分机械式差压和温度开关可带现场指示
7/  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

系列号-型号 设定点可调范围 死区 ***大过压范围 耐压 压力接口 接液材料
H122-126 -1.0 to 0 bar 6.8 to 30.5 mbar 0.3 bar 0.3 bar 1/4" NPTF Ni Plated Brass-Brass-Zn Plated st
H122-134 -1.0 to 1.4 bar 6.8 to 40.6 mbar 1.4 bar 1.7 bar 1/4" NPTF Ni Plated Brass-Brass-Zn Plated st
H122-450 -1.0 to 0 bar 3.4 to 13.5 mbar 0.2 bar 15.5 bar 1/4" NPTF 316L st/st-Buna N-Buna N
H122-452 -1.0 to 1.4 bar 3.4 to 33.9 mbar 1.4 bar 15.5 bar 1/4" NPTF 316L st/st-Buna N-Buna N
H122-550 -1.0 to 0 bar 3.4 to 20.3 mbar 0.2 bar 15.5 bar 1/4" NPTF 316L st/st-Teflon-Viton
H122-552 -1.0 to 1.4 bar 6.8 to 33.9 mbar 1.4 bar 15.5 bar 1/4" NPTF 316L st/st-Teflon-Viton
H122-S126B -1.0 to 0 bar 6.8 to 30.5 mbar 0.2 bar 0.3 bar 1/2" NPTF 316L st/st
H122-S134B -1.0 to 1.4 bar 6.8 to 40.6 mbar 1.4 bar 1.7 bar 1/2" NPTF 316L st/st
H122-144 0 to 1.4 bar 6.9 to 34.5 mbar 1.4 bar 1.7 bar 1/4" NPTF Ni Plated Brass-Brass
H122-453 0 to 1.4 bar 3.4 to 13.8 mbar 1.4 bar 15.5 bar 1/4" NPTF Alum-Buna N-Buna N
H122-553 0 to 1.4 bar 3.4 to 20.7 mbar 1.4 bar 15.5 bar 1/4" NPTF 316L st/st-Teflon-Viton
H122-S144B 0 to 1.4 bar 6.9 to 34.5 mbar 1.4 bar 1.7 bar 1/2" NPTF 316L st/st
H122-146 0 to 2.1 bar 6.9 to 41.4 mbar 2.1 bar 2.8 bar 1/4" NPTF Ni Plated Brass-Brass
H122-454 0 to 2.1 bar 3.4 to 20.7 mbar 2.1 bar 15.5 bar 1/4" NPTF Alum-Buna N-Buna N
H122-554 0 to 2.1 bar 6.9 to 27.6 mbar 2.1 bar 15.5 bar 1/4" NPTF 316L st/st-Teflon-Viton
H122-S146B 0 to 2.1 bar 6.9 to 41.4 mbar 2.1 bar 2.8 bar 1/2" NPTF 316L st/st
H122-156 0 to 6.9 bar 13.8 mbar to 0.1 bar 6.9 bar 8.6 bar 1/4" NPTF Ni Plated Brass-Brass
H122-555 0 to 6.9 bar 17.2 mbar to 0.1 bar 6.9 bar 15.5 bar 1/4" NPTF 316L st/st-Teflon-Viton
H122-702 0.7 to 6.9 bar 0.1 to 0.3 bar 6.9 bar 68.9 bar 1/4" NPTF Ni Brass-Buna N-Buna N

系列号-型号 设定点可调范围 死区 ***大过压范围 耐压 压力接口 接液材料
H122-S156B 0 to 6.9 bar 13.8 mbar to 0.1 bar 6.9 bar 8.6 bar 1/2" NPTF 316L st/st
H122-164 0 to 13.8 bar 20.7 mbar to 0.1 bar 13.8 bar 13.8 bar 1/4" NPTF Ni Plated Brass-Brass
H122-270 0 to 13.8 bar 0.1 to 0.6 bar 13.8 bar 17.2 bar 1/4" NPTF Ni Plated Brass-Ph Bronze
H122-358 0 to 13.8 bar 0.1 to 0.6 bar 13.8 bar 17.2 bar 1/4" NPTF 316L st/st
H122-S164B 0 to 13.8 bar 20.7 mbar to 0.1 bar 13.8 bar 13.8 bar 1/2" NPTF 316L st/st
H122-274 0 to 20.7 bar 0.1 to 0.7 bar 20.7 bar 24.1 bar 1/4" NPTF Ni Plated Brass-Ph Bronze
H122-361 0 to 20.7 bar 0.1 to 0.6 bar 20.7 bar 24.1 bar 1/4" NPTF 316L st/st
H122-703 2.1 to 20.7 bar 0.1 to 0.5 bar 20.7 bar 68.9 bar 1/4" NPTF Ni Brass-Buna N-Buna N
H122-376 0 to 34.5 bar 0.2 to 0.8 bar 34.5 bar 39.6 bar 1/4" NPTF 316L st/st
H122-704 3.4 to 34.5 bar 0.2 to 0.8 bar 34.5 bar 172.4 bar 1/4" NPTF Ni Brass-Buna N-Buna N
H122-705 13.8 to 68.9 bar 0.3 to 1.7 bar 68.9 bar 172.4 bar 1/4" NPTF Ni Brass-Buna N-Buna N