美国UE防爆压力开关H121-S126B 美国UE防爆压力开关H121-S134B
美国UE防爆压力开关H121-S137B 美国UE防爆压力开关H121-S144B
美国UE防爆压力开关H121-S146B 美国UE防爆压力开关H121-S156B
美国UE防爆压力开关H121-S164B 美国UE防爆压力开关H122-S156B
H121-S156B 美国UE防爆压力开关H121-S144B/S146B/S156B/S164B *进口UE具体参数
Welded 316 stainless steel bellows and 1/2” NPT (female) pressure connection
S126B 30 ”Hg Vac to 0 psi -1 to 0 0.2 to 0.9 ”Hg 0,007 to 0,03 5 0, 3 0.5 "Hg
S134B 30 ”Hg Vac to 20 psi -1 to 1,4 0.2 to 1.2 ”Hg 0,007 to 0,04 25 1, 7 1 "Hg & 0.5 psi
S137B† 2 to 80 ”wc 0,005 to 0,2 2 to 10 ”wc 0,005 to 0,02 5 0,3 2 "wc
S144B 0 to 20 0 to 1,4 0.1 to 0.5 0,007 to 0,03 25 1,7 0.5
S146B 0 to 30 0 to 2,1 0.1 to 0.6 0,007 to 0,04 40 2,8 0.5
S156B 0 to 100 0 to 6,9 0.2 to 0.8 0,014 to 0,06 125 8,6 2
S164B 0 to 200 0 to 13,8 0.3 to 2 0,021 to 0,14 200 13,8 5
美国UE开关的防护标准
NEMA防护等级是美国电气制造商协会工业控制装置和系统中的外壳防护标准。NEMA的防护标准除了防尘、防水之外,还包括防爆(IP代码只包括防尘和防水)。
NEMA 4X :(水封、尘封、防腐蚀、室内或室外用外壳):计划用于室内或室外,主要为了提供一定程度的保护,以防止腐蚀、飞扬粉尘和雨水、溅水、软管引出水、以及由于外部结冰引起的破坏。
NEMA 4X 相当于IP66 二者有什么区别?
NEMA 7X、NENA 9X(J120系列,针对于防爆开关)
压力开关选型参数:1.压力范围 2.Max压力 3.介质 4.是否防爆
H121防爆现场可调UE差压开关常用型号
H122P-376 H122P-450 H122P-S134B H122-614 H122-270 H122-274 H121-S146B
H122P-452 H122P-453 H122P-454 H122P-550 H122-358 H122-361 H122-376 H122-612
H122P-552 H122P-553 H122P-S144B H122-146 H122-156 H122-164 H121-S144B
H122P-554 H122P-555 H122P-612 H122P-614 H122-126 H122-134 H122-137 H122-144
H122P-S146B H122P-S156B H122P-S164B H121-703 H121-704 H121-705 H121-15875
H121K-147 H121K-157 H121K-456 H121K-457 H121-554 H121-555 H121-701 H121-702
H121K-599 H121K-S147B H121K-S157B H121-550 H121-552 H121-553 H121-S137B
H122K-147 H122K-157 H122K-456 H122K-457 H121-450 H121-452 H121-453 H121-454
H122K-599 H122K-S147B H122K-S157B H121-614 H121-270 H121-274 H121-S134B
H121-126 H121-134 H121-137 H121-144 H121-358 H121-361 H121-376 H121-612
H121-146 H121-156 H122P-553 H122P-S144B H122-146 H122-156 H121K-S157B
H122-S126B H122-S134B H122-S137B H122-703 H122-704 H122-705 H121-S164B
H122-S144B H122-S146B H122-S156B H122-S164B H122-554 H122-555 H122-701
H122-702 H122P-126 H122P-134 H122P-144 H122P-146 H121-164 H121-S126B
H122P-156 H122P-164 H122P-S126B H122-550 H122-552 H122-553 H121-S156B
H122P-270 H122P-274 H122P-358 H122P-361 H122-450 H122-452 H122-453 H122-454
H121-S164B, H122-S164B, H122P-S144B, H121-126, H122-126, H122P-126, H121-134, H122-134, H122P-134,
H121-137, H121-144, H122-144, H122P-144, H121-146, H122-146,H122P-146,H121-156, H122-156, H122P-156,
H121-164, H122-164, H122P-164,H121-358, H122-358, H121-361, H122-361,H121-376, H122-376,
H121-612, H122-612, H121-614, H122-614,H121-270, H122-270, H121-274, H122-274,H121-450, H122-450,
H121-452, H122-452, H121-453, H122-453, H121-454, H122-454,H121-550,H122-550H121-552, H122-552,
H121-553, H122-553, H121-554, H122-554, H121-555, H122-555,H121-701, H121-702, H122-702, H121-703,
H122-703, H121-704, H122-704, H121-705, H122-705