1. Ashcroft D-Series NEMA 4X Differential Pressure Switch
The Ashcroft® D4 Differential Pressure Switch is designed for use on most applications requiring reliability and long-cycle life. Ideal for satisfying requirements for pressure control, shutdown or alarm operations.
Key Features:
- Adjustable setpoints from 15%-100% of range
- Fixed or limited adjustable deadband
- Wide selection of switch elements and wetted materials
- Specials designs for NACE applications
- Internal set point lock screw
Specifications:
- Accuracy: ±1.00% full scale
- NEMA 4X (IP66) epoxy coated aluminum enclosure
- Single setpoint
- SPDT or DPDT switching option
- Differential pressure ranges: 10″ IWD to 600 psid
The D4 Differential Pressure Switch is ideal where accurate and reliable pressure measurement are essential:
Process Market:
- Offshore Oil Rigs
- Chemical and Petrochemical Plants
- Pulp and Paper Mills
- Power Plants
- Steel Mills
- Water and Sewage Treatment Facilities
Industrial Market:
• Pumps, Compressors and Turbines
• Boilers and Burners
• Degreasers and Evaporators
• Recovery Systems
• Reverse Osmosis Systems / Filters
• Food Processing
• Ground Support Equipment
• Hydraulic and Lubrication Systems
• Heating and Air Conditioning
• Marine Equipment
• Specialized OEM Equipment
2. Ashcroft DDS-Series NEMA 7 Differential Pressure Switch
Ashcroft® DDS differential pressure switch senses low differential pressures between high differential pressure sources. This product is ideally suited for pressure level sensing, filter monitoring and pressure control.
Key Features:
- Rugged enclosure
- High static pressure capability up to 1500 psi
- Field-adjustable setpoint; fixed deadband
Specifications:
- Accuracy: ±1.00% full scale
- NEMA 4X and 12; aluminum enclosure
- Watertight or explosion proof versions Class 1, Div 1, Groups C & D
- SPDT or DPDT setpoints
- Differential pressure ranges: 1.5″ IWD to 150″ IWD
The DDS differential pressure switch is ideal where accurate and reliable pressure measurement are essential:
Process Applications:
- Pipelines
- Boilers
Process Applications:
- Filter Monitoring and Control
- Pressure Level Sensing
3. Ashcroft GD-Series NEMA 4 Differential Pressure Switch
The Ashcroft® GD differential pressure switch is designed for use on tough applications requiring a 316L SS enclosure. The straight forward design allows for easy field installation, while proven technology provides a stable and reliable switch. This model is ideal for pressure control, shutdown or alarm operations.
Key Features:
- Wide selection of switch elements and wetted materials
- Multiple process connections available
- Adjustable setpoints from 15%-100% of range
- Fixed or adjustable deadbands
Specifications:
- Accuracy: ±1.00% full scale
- NEMA 4X (IP65) 316L stainless steel enclosure
- Single or dual setpoints
The GD differential pressure switch is ideal where accurate and reliable pressure measurement are essential:
Process Market:
- Refineries
- Chemical and Petrochemical Plants
- Pulp and Paper Mills
- Power Plants
- Steel Mills
- Water and Sewage Treatment Facilities
Industrial Market:
- Pumps, Compressors and Turbines
- Dairies and Breweries
- Boilers and Burners
- Reverse Osmosis Systems
- Filters and Presses
- Paint Spraying Equipment
- Specialized OEM Equipment
Medical and Life Sciences Market:
- Pharmaceutical Plants
4. Ashcroft LD-Series NEMA 4 Differential Pressure Switch
The Ashcroft® LD differential pressure switch is designed for applications requiring high reliability, safety and accuracy. It’s straight forward design facilitates easy field installation and calibration, making it most suitable for pressure control, safety shutdown or alarm operations.
Key Features:
- Wide selection of switch elements and wetted materials
- Multiple process connections available
- Adjustable setpoints from 15%-100% of range
- Fixed or adjustable deadbands
Specifications:
- Accuracy: ±1.00% full scale
- NEMA 4X (IP65) aluminum enclosure
- Single or dual setpoints
- Differential pressure ranges: 30″ IWD to 400 psid
The LD differential pressure switch is ideal where accurate and reliable pressure measurement are essential:
Process Market:
- Refineries
- Chemical and Petrochemical Plants
- Pulp and Paper Mills
- Power Plants
- Steel Mills
- Water and Sewage Treatment Facilities
Industrial Market:
- Pumps, Compressors and Turbines
- Dairies and Breweries
- Boilers and Burners
- Reverse Osmosis Systems
- Filters and Presses
- Paint Spraying Equipment
- Specialized OEM Equipment
Medical and Life Sciences Market:
- Pharmaceutical Plants
5. Ashcroft PD-Series NEMA 7 Differential Pressure Switch
The Ashcroft® PD differential pressure switch was designed for use with harsh applications where uncompromising protection is required. It combines field-proven technology, stability and long cycling, making it ideal for satisfying pressure control, shutdown or alarm operations.
Key Features:
- Explosion proof housing
- Dual chamber design allows for field calibration to be performed safely even with the power connected
- Wide selection of switch elements and wetted materials
- Multiple process connection available
- Adjustable setpoints from 15%-100% of range
- Fixed or adjustable deadbands
Specifications:
- Accuracy: ±1.00% full scale
- NEMA 7/9 (IP66) aluminum enclosure
- Single or dual setpoints
- Differential pressure ranges: 30″ IWD to 400 psid
The PD differential pressure switch is ideal where accurate and reliable pressure measurement are essential:
Process Market:
- Refineries
- Chemical and Petrochemical Plants
- Water and Sewage Treatment Facilities
- Steel Mills
Industrial Market:
- Pumps, Compressors and Turbines
- Boilers and Burners
- Reverse Osmosis Systems