Document EDaxr7a0G4gJqjENbek9JVZN

JANUARY/195! Supersedes blue September, 1943 BULLETIN Navy @nfp@L_$?86 Bourdon Tube Pressure Switch' Service Class... .Navy A. Specifications.. .Designed lo meet the requirements of Service A o( Department oi Defense Specifications MIL-C-2174, dated May 9, 1950 and MIL-C-2212 dated June ' 13, 1950. -2$ Enclosure............ Spraytight, Operation.......... , Automatic. Type.................... Bourdon Tube. F(motion........ .Pressure regulating. Doty..................... Continuous. Protection........... Low'voltage release. Performance___ Automatic. Ambient Temp, 40" C. or 50" C; Insulation........... Class B, except relay coil Class A. For Prices, See Price Us) Bui, 6900A SfRATnoBT momo iwitck-- VIEW, Ratings . ......... Pilot circuits only, 'Mortmain Amperes Inductive Rating A-o 60 Cycles D-c " A. ubv. 220 V. 440 V. llS V. 230 V. 250 V. Make............ 20. Break........... 2. 10. ' 8.' 1. ' `0.5 10. 1.1 10. 0.451 s. 0.45 Carry (Coat.) 10. 10. 10. 10. ,10. 10. ^Nominal submarine voltage [355 V. maxtanm), . . * PRESSURE RATPJOS--LBS. PER SQUARE DfCH Max Rating of Bourdon Tube 0- 30 0- 60 - Or 100 O- 160 0- 300. 0- 600 0- 800 0- 1000 O- 3000 O- 5000 0-10000 Cut-Out Lbs.* 21 42 70 112 210 420 560 700 2100 3300 7000 Min. ' Cut-In Lbs. 6 12 20 . 32 60 120 160 200 600 1000 2000 - UtUr Differential Lbs. . ' 1.2 2.4 4.0 6.4 12.0 24.0 32,0 .40: 120. 200. 400. * Maximum setting above atmosphere is 70% of tube rating When ordering specify: 1-- -Pressure setting. 2-- Differential. 3--pressure to which tubs will be subjected. 4-- Standard or reverse operation. 5-- Voltage. 6-- A-c or D-c. If. A-o give frequency. REPAIR PARTS A set of on board repair parts (spare parts) consists of the iallowiagr 1 set contacts, 1 set springs. 1 shunt eoti. 1 resistor unit each else and type. When ordering renewal parts for pressure regulators in service, be sure to -give nameplate data and description of parts required. Conlinood MILWAUKEE 1. WJSCONS1N PAGE \ i'.-i 1; ?-$b