Description
The Ashcroft B428VXFT-200 is a heavy-duty industrial pressure switch engineered for dependable pressure control, alarm signaling, and safety shutdown in the most demanding process and industrial environments. As part of Ashcroft’s industry-leading B4 Series, this switch pairs a Viton diaphragm with a Teflon backup to deliver exceptional chemical compatibility and high-temperature resistance — making it the go-to choice when aggressive or corrosive media would compromise a standard Buna-N diaphragm.
Built around a watertight die-cast aluminum enclosure rated NEMA 3, 4, 4X, and 13 (IP66), the B428VXFT-200 stands up to harsh washdown and outdoor environments without compromise. A factory-set setpoint with locking screw ensures consistent, tamper-resistant operation right out of the box, while ±1% of span accuracy keeps your process running within tight tolerances.
Key Features
- Pressure range: 0–200 PSI with ±1% of span setpoint accuracy
- Process connection: 1/4″ NPT female for straightforward installation
- Diaphragm: Viton with Teflon backup — rated for aggressive, corrosive, and high-temperature media up to 300°F
- Switch element: SPDT snap-action for reliable, repeatable switching
- Electrical rating: 15A at 125/250/480 VAC; 1/2A at 125 VDC
- Enclosure: Watertight NEMA 3, 4, 4X, 13 / IP66 die-cast aluminum
- Factory-set setpoint with locking screw for tamper-resistant operation
- Ambient temperature range: -20°F to 150°F (-29°C to 65°C)
Certifications & Compliance
- UL Listed
- CSA Certified
- FM Approved
- CE Marked
- RoHS Compliant
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