正品美国McDonnell Miller 157S液位控制器 蒸汽热水锅炉液位开关

适用于家庭、商业、工业蒸汽锅炉

重型的

最大锅炉压力：50psi（3.5kg/cm2）

双开关输出

64、64-A、64-B、64-M可选

UL、FM认证

 

 

型  号	描  述
63	Low water cut-off
63-B	63 w/ float block
63-BM	63 w/float block & manual reset
63-M	63 w/manual reset
64	Manual reset
64-A	64 w/quick hook-up fittings
64-B	64 w/float block
64-M	64 w/manual reset
61	Low water cut-off
67	Low water cut-off
67-G	67 for millivolt service
67-LQHU	67 without quick hook-up fittings
67-M	67 w/manual reset
69	Low water cut-off w/41⁄8" (105mm) insertion length
69-MV-P	69 w/millivolt switch
169	69 w/31⁄8" (79mm) insertion length
269	69 w/21⁄4" (57mm) insertion length
369	69 w/13⁄4" (45mm) insertion length
369-MV	369 w/millivolt switch
469	69 w/13⁄16" (30mm) insertion length
569	469 w/13⁄16" (30mm) insertion length 4.0 (1.8)
	w/1⁄4" NPT tapping
150S	Combination low water cut-off/pump controller
150S-B	150S w/float block
150S-B-M	150S-B w/manual reset
150S-BMD	150S w/float block and max. dif.
150S-BM-MD	150S-BMD w/manual reset
150S-MD	150S w/maximum differential
150S-M	150S w/manual reset
150S-M-MD	150S-M w/maximum differential
158S	150S w/2 SPDT switches
159S	150S w/2 SPST switches
158S-M	158S w/manual reset
158S	150S w/2 SPDT switches
157S	150S low water cut-off w/water column
157S-MD	157S w/maximum differential
157S-A	157S w/alternate tappings
157S-A-M	157S-A w/manual reset
157S-M	157S w/manual reset
157S-M-MD	157S-M w/maximum differential
157S-R	157S w/alternate tappings
157S-R-M	157S-R w/manual reset
157S-RBP-MD	157S w/2 integral conductance probes
157S-RL	157S w/alternate tappings
157S-RL-M	157S-RL w/manual reset

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