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Barksdale Series B1X, B2X Explosion Proof Bourdon Tube

Explosion Proof Bourdon Tube
Series B1X, B2X

• High accuracy, high proof
• Explosion-proof housing
• Hermetically sealed
• Tamper-proof setpoint adjustment
• Dual set point capability
• UL, CSA, ATEX approved
• NEMA 4, 7, 9 & IP65

Select a link under the "item" tab below to order.

Table 1Table 2Table 3Table 4Table 5Table 6Table 7
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Table 1Prefix
HHermetically sealed limit switch option - Class I, Division II (requires AA, CC or HH limit switch)
Table 2SERIES
B1XSingle setpoint
B2XDual setpoint
Table 3Limit Switch
-A10 amps @ 125/250 VAC; 3 amps @ 480 VAC; (standard for pressure range 12, 32, 48 and 72)
-B10 amps @ 125/250/480 VAC; 0.05 amps @ 125 VDC; 0.03 amps @ 250 VDC
-C10 amps @ 125/250/480 VAC; 0.1 amps @ 125VDC; 0.05 amps @ 250 VDC
-H10 amps @ 125/250 VAC; 3 amps @ 480 VAC (standard with pressure range 20)
-J10 amps @ 125/250 VAC; 3 amps @ 480 VAC; (comes with an elastomer boot)
-M10 amps @ 125/250 VAC; 3 amps @ 480 VAC; 0.5 amps @ 125 VDC; 0.25 amps @ 250 VDC
-S15 amps @ 125/250/480 VAC; 0.05 amps @ 125 VDC; 0.03 amps @ 250 VDC (adjustable deadband)
-GH1 amp @ 125 VAC with gold contacts
-AAHermetically sealed; 4 amps @ 125/250 VAC
-CCHermetically sealed; 10 amps @ 125/250 VAC
-GHHermetically sealed; 1 amp @ 125 VAC with gold contacts
-HHHermetically sealed; 5 amps @ 125/250 VAC
Table 4Pressure Range
Adjustable Range
Decreasing - psi (bar) Increasing - psi (bar)
Min Min psi-(bar)
1250 (3.3) 77 (5.1) 11 - 27 (.7 - 1.8)
20160 (10.6) 199 (13) 16 - 39 (1.1 - 2.6)
32240 (16) 325 (22) 40 - 85 (2.7 - 5.7)
48325 (22.4) 325 (22) 40 - 85 (2.7 - 5.7)
72600 (40) 1150 (77) 7200 (480)
Table 5SS
SSStainless steel bourdon tube
Table 6Process Connection
-P21/2” NPT female pressure fitting
Table 7Option
-EXATEX certified, -EX inplace of -UL for ATEX only
-ULUL & CSA approval (standard)
-SxxxFactory preset (consult factory)

• Power plants
• Water pumps
• Blow out preventers (BOP)
• Pneumatic devices



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