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B-Series NEMA 4X Pressure Switch
Brand: Ashcroft IncDoes not ship to OH, United States
The Ashcroft® B4 pressure switch is designed for use in virtually all industrial and OEM applications.
Providing reliability and long-cycle life, it is ideal for satisfying requirements for pressure control, shutdown or alarm operations.
Special designs are available to meet boiler/burner, NACE and fire-safe applications.
Features- Special designs for UL fuel and steam limit control
- Adjustable setpoints from 15%-100% of range
- Fixed or limited adjustable deadband
- Wide selection of switch elements
- Stainless Steel, Buna, Viton, Teflon and Monel diaphragms available for compatibility
- Internal setpoint locking screw
- SIL3 Capable
- FM, UL, CE, CRN and 3A approved
- RoHS Compliant
- NSF-61 Compliant
Specifications
Brand
Setpoint
- Factory set or field adjustable
Setpoint Repeatability
- ±1% of full range (Additional setpoint shift of 1% of range per 50° F from initial setpoint set at 70° F typical)
Approvals & Certifications
- CSA
- FM
- UL
- RoHS
- CE, UKCA
- SIL 3 CAPABLE
- ATEX
- IECEx SIR 14.0077X
Pressure Range
- Pressure: Vac-3000#
- Differential: 0-600#D
- Hydraulic: 1000-7500#
Electrical Output
- SPDT or DPDT
Enclosure Rating
- B4/H4: NEMA 4X, IP66
- B7: NEMA 7/9, IP66
Enclosure Material
- Epoxy coated aluminum (standard)
- Optional: 316 stainless steel (NEMA 7/9 only)
Diaphragm Material
- Buna-N, Viton™, Teflon™, SS, Monel®
Process Connection
- 1/4" NPT Female (standard)
- Optional: 1/2" NPT Female, 1/4" NPT Female & 1/2" NPT Male combo
Mounting
- 2" Pipe Mounting Bracket
- Wall Mounting Bracket (in H2O)
Electrical Termination
- 3/4 NPT Female (standard)
- Optional: 1/2 NPT Female, M20 X 1.5
Ambient Temperature
- –20° to 150° F (–28° to 65° C)
- All units calibrated at 70° F
Process Temperature
- 0° to 150° F (Buna-N or Teflon™ diaphragm)
- 20° to 300° F (Viton™ diaphragm)
- 0° to 300° F (SS or Monel® diaphragm)
- Process Market:
- Offshore Oil Rigs
- Chemical & Petrochemical Plants
- Pulp & Paper Mills
- Power Plants
- Steel Mills
- Water & Sewage Treatment Facilities
- Industrial Market:
- Pumps, Compressors & Turbines
- Boilers & Burners
- Degreasers & Evaporators
- Recovery Systems
- Reverse Osmosis Systems & Filters
- Food Processing
- Ground Support Equipment
- Hydraulic & Lubrication Systems
- Heating & Air Conditioning
- Marine Equipment
- Specialized OEM Equipment
