Description
SPECIFICATIONS
Model 251 and 251C
Bellows Material:
316 Stainless Stee
Beryllium Copper
Inconel
DP Ranges of the 251:
0-30″w.c. to 0-1000 PSID
(0-762 mm to 0-69 bar)
Switch Specs
Type: SPDT
Temperature Limits:
-40 F (-40 C) to + 180 F (+80 C)
Electrical Connections:
Standard: 1/4″NPT
AC Rating: 5 AMPS@125 volts/2,5 AMPS@ 240 volts
DC Rating: Inductive – 2,5 AMPS @30 volts / Resistive – 4 AMPS @30 volts
Housings and Safe Working Pressures:
Forged brass, SWP 500 PSI (34.5) bar
Brass, SWP 1000 PSI.(68.9 bar)
CR Steel , SWP’s 1500, 3000, & 6000 PSI.(103.4 , 206.9, &413.8 bar)
316 Stainless Steel, SWP’s 500, 1500, 3000, 6000 PSI. (34.5, 104, 207, 414 bar)
Cast Aluminum, SWP 400 PSI. (27.6 bar)
Alloy Steel , SWP 10000 PSI. (690 bar)
WHY CONTROLS SUPPLY CHAIN
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PARTS
