PIBVEXP System Sensor Switch
System Sensor PIBVEXP Explosion Proof Supervisory Switch
System Sensor PIBVEXP Explosion-Proof Supervisory Switch (Butterfly & Post-Indicator Valves)
Overview
The PIBVEXP is an explosion-proof supervisory switch manufactured by System Sensor. It is designed to monitor the open position of post indicator and butterfly type valves in hazardous locations. Encased in a rugged NEMA 1, 7, and 9 enclosure, the switch operates reliably across a wide temperature range (−40 °F to 160 °F) and features a single conduit entrance, ample wiring space, and cover screws that are captured to avoid loss during servicing. prod-edam.honeywell.com+2prod-edam.honeywell.com+2
Key Features & Benefits
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Explosion-proof enclosure meeting NEMA 1, 7, 9 ratings for use in hazardous environments (Class I, Groups C & D; Class II, Groups E, F, G; Div. 1 & 2). prod-edam.honeywell.com+2BulkIndustries.com+2
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SPDT (Form C) contact rated for 15 A at 125/250/480 VAC; also rated for smaller DC loads. prod-edam.honeywell.com+1
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Operating temperature from −40 °F to 160 °F (−40 °C to 71 °C) for wide environmental tolerance. prod-edam.honeywell.com+1
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Compact, rugged construction with a spring-loaded actuating lever to interact with valve flags/targets. prod-edam.honeywell.com+1
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Single tapped conduit entrance, captured screws, and brass pressure connection for durability. prod-edam.honeywell.com+1
Technical Specifications
| Specification | Detail |
|---|---|
| Brand / Model | System Sensor PIBVEXP |
| Type | Explosion-Proof Supervisory Switch |
| Valve Types Monitored | Butterfly valves and post-indicator valves (prod-edam.honeywell.com) |
| Contact Type & Rating | SPDT (Form C); 15 A @ 125/250/480 VAC; also 1/2 A @ 125 VDC, etc. (prod-edam.honeywell.com) |
| Enclosure Rating | NEMA 1, 7, 9 (prod-edam.honeywell.com) |
| Operating Temperature | −40 °F to 160 °F (−40 °C to 71 °C) (prod-edam.honeywell.com) |
| Dimensions | ~ 3.75″ L × 3.25″ D × 4.5″ H (prod-edam.honeywell.com) |
| Pressure Connection | ½-inch NPT male brass fitting (prod-edam.honeywell.com) |
| Shipping / Product Weight | ~ 1.75 lbs (shipping) (prod-edam.honeywell.com) |
| Hazardous Location Classes | Class I, Groups C & D; Class II, Groups E, F, G; Divisions 1 & 2 (prod-edam.honeywell.com) |
Applications
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Monitoring open position of butterfly or post-indicator valves for fire protection / flow status.
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Use in hazardous environments (e.g. boiler rooms, fuel-gas areas) where explosion proof equipment is required.
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Integration with fire supervisory panels or alarm systems to indicate valve status compliant with NFPA-13 / NFPA-72. prod-edam.honeywell.com+1
Installation & Best Practices
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Mount on valve so the switch flag or target actuating lever engages the valve’s open indicator properly. prod-edam.honeywell.com+1
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Install via a ½-inch NPT tapped hole; if not present, drill/tap per manual. prod-edam.honeywell.com
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Ensure conduit entry orientation per rising or falling flag installation to prevent binding. prod-edam.honeywell.com
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Secure cover screws (captured) and conduit fitting to maintain enclosure integrity.
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Periodically inspect flag alignment, lever operation, and switch actuation.
Why Buy From Apex Controls
Apex Controls stocks genuine System Sensor PIBVEXP supervisory switches, with verified specs, OEM housing, explosion-proof rating, and quality control. We provide fast shipping, replacement parts knowledge, and support for compliance with fire protection & hazardous location codes.
| Weight | 3 lbs |
|---|---|
| Dimensions | 2 × 2 × 2 in |
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