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F-Series Pressure Switch
Brand: Ashcroft IncThe Ashcroft F-Series switch line of compact, adjustable pressure switches is designed to satisfy most requirements for alarm, shutdown, control and interlock on a wide variety of process and equipment applications.
Electromechanical pressure switches are usually more cost effective than transmitters for these applications. Materials of construction have been selected for long life.
A wide variety of precision switch elements are available to meet every application requirement, including standard hermetically sealed contacts with added reliability and safety.
The actuators we use have been proven in more than 20 years of service in the world’s plants and mills. Simplicity and ease of use are stressed to improve reliability of the installation.
F-Series is designed to easily retrofit many similar models and are readily available.
Features- Explosion-proof enclosure with hermetically sealed switch elements provide added safety and reliability
- Wide selection of switch elements wetted materials
- Multiple process connections available
- Adjustable setpoints from 15% to 100% of range
Specifications
Brand
System Pressure
- bar: 0 to 275.8
- kPa: 0 T 27,580
- psi: 0 to 4,000
Proof Pressure
- psi: 1,000 to 4,000 (kPa: 6,895 to 27,580, bar: 68.95 to 275.8)
Piston Material
- Stainless Steel
Switch Type
- SPDT, Hermetically Sealed
Electrical Rating
- Hermetically Sealed, Dual Hermetically Sealed, General-purpose: 11 A at 125/250 Vac
- Hermetically Sealed, Dual Hermetically Sealed, Gold Contacts: 1 A at 125 Vac
- Hermetically Sealed, Narrow Deadband: 5 A at 125/250 Vac
O-Ring Material
- Viton
Enclosure, Body Material
- Anodized Aluminum
Pressure Range
- psi: 30 to 1,000 (kPa: 206.8 to 6,895, bar: 2 to 68.95)
Name Plate, Tag Material
- Stainless Steel
Set Point - Increasing
- bar: 2 to 68.9
- Inches Hg: -30 to 0
- kPa: 206.8 to 6,895
- psi: 30 to 1,000
Seat / Seal Material
- 316 Stainless Steel
- Buna-N
- Stainless Steel
- Teflon
- Viton
Diaphragm Material
- Stainless Steel
Approvals & Certifications
- ISO 9001
- CE
- CSA
- UL
Adjustment Type
- Factory Set (Pre-Set)
NPT Connection
- 1/2” NPT Female
- 1/4” NPT Female
Special Cleaning & Packaging
- Cleaned for Oxygen Service
Set Point - Decreasing
- bar: 2 to 68.9
- Inches Hg: -30 to 0
- kPa: 206.8 to 6,895
- psi: 30 to 1,000
Electrical Connectors
- 1/2” NPT Male
- Terminal Block
Environmental Protection
- IP54
- IP66
- NEMA 3
- NEMA 4
- NEMA 7
- NEMA 9
Deadband
- psi: 0.5 to 80 (kPa: 3.44 to 551.6, bar: 0.03 to 5.5)
- Chemical & Petrochemical
- Corrosive & Hazardous Locations
- Engines
- OEM Equipment
- Offshore
- Pipelines
- Pulp & Paper
- Turbines & Compressors
- Water & Wastewater Treatment Facilities