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 DWYER 64系列蒸汽熱水鍋爐液位開關(McDonnell & Miller)詳細信息：
 產(chǎn)品名稱: 64系列蒸汽熱水鍋爐液位開關(McDonnell & Miller)
 產(chǎn)品型號: 64適用于家庭、商業(yè)、工業(yè)蒸汽鍋爐重型的最大鍋爐壓力：50psi（3.5kg/cm2）雙開關輸出
 64、64-A、64-B、64-M可選
 UL、FM認證
 DWYER 64系列蒸汽熱水鍋爐液位開關(McDonnell & Miller) 
 型 號 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