Introduction
The Air Logic Division of Fred Knapp Engraving Company specializes in pneumatic and vacuum control equipment, including miniature precision snap-acting switches. These switches convert pressure and vacuum signals into electrical control signals, ensuring fast response and reliability.
Switch Types and Specifications- Miniature Switches: For low pressure or vacuum applications, ranging from 0.5 to 15 PSI.
- Subminiature Switches: For high pressure or vacuum applications, adjustable from 0.5 to 100 PSI.
- Low Differential Switches: Low difference between "ON" and "OFF" set points, adjustable from 0.5 to 100 PSI.
- Solid State Switches: Interface with solid state circuits, adjustable from 0.5 to 100 PSI.
- Pilot Operated Valves: Pressure or vacuum pilot valves with adjustable setpoints.
Electrical and Mechanical Specifications- Switch Action: Single pole, double throw.
- Electrical Rating: 0.1 to 25 AMP, standard at 15 AMP.
- Operating Speed: 25 milliseconds.
- Temperature Limits: 40° to 120°F (4° to 49°C).
- Materials: Polysulfone housing, polyurethane diaphragm, stainless steel or music wire spring.
Mounting and Port Connections
Available in flush, panel, manifold, and pipe thread mounts with 10-32 female threads and barbed fittings for tubing connections.
Ordering Information
Specify model number, adjustment range, mounting style, port connection, and switch selection. Accessories like barbs for tubing do not require additional specification.
Conclusion
Air Logic offers a range of switches and valves for precise pressure and vacuum sensing, known for quality and dependability. Custom applications can be discussed directly with Air Logic.
Overview
This document provides technical specifications and ordering information for pressure and vacuum switches and valves, designed for interfacing pressure or vacuum signals with electrical control circuits.
F-5300 Series: Low Differential Pressure Switch- Features: Low cost, subminiature size, high-pressure adjustment, low differential, fast response.
- Electrical Specifications: Single pole, double throw, 4 AMP standard, UL approved.
- Mechanical Specifications: 25 milliseconds operating speed, up to 100 PSI, 0.5 to 100 PSI adjustment range.
- Materials: Polysulfone housing, polyurethane diaphragm, stainless steel or music wire spring.
- Mounting Options: Flush, panel, manifold, and 1/8 NPT mounts.
- Port Connections: 10-32 female and 1/8-27 male tapered pipe threads.
V-5300 Series: Low Differential Vacuum Switch- Features: Low cost, subminiature size, low differential, fast response.
- Electrical Specifications: Single pole, double throw, 4 AMP standard, UL approved.
- Mechanical Specifications: 25 milliseconds operating speed, up to 29.9” Hg, 1 to 28” Hg adjustment range.
- Materials: Polysulfone housing, polyurethane diaphragm, stainless steel or music wire spring.
- Mounting Options: Flush, panel, manifold, and 1/8 NPT mounts.
- Port Connections: 10-32 female and 1/8-27 male tapered pipe threads.
F-5500 Series: Solid State Pressure Switch- Features: Low cost, subminiature size, high-pressure adjustment, low differential, solid state switch, fast response.
- Electrical Specifications: Solid state Hall sensor, 4.5-24 VDC, UL approved.
- Mechanical Specifications: 25 milliseconds operating speed, up to 100 PSI, 0.5 to 100 PSI adjustment range.
- Materials: Polysulfone housing, polyurethane diaphragm, stainless steel or music wire spring.
- Mounting Options: Flush, panel, manifold, and 1/8 NPT mounts.
- Port Connections: 10-32 female and 1/8-27 male tapered pipe threads.
V-5500 Series: Solid State Vacuum Switch- Features: Low cost, subminiature size, low differential, solid state switch, fast response.
- Electrical Specifications: Solid state Hall sensor, 4.5-24 VDC, UL approved.
- Mechanical Specifications: 25 milliseconds operating speed, up to 29.9” Hg, 1 to 28” Hg adjustment range.
- Materials: Polysulfone housing, polyurethane diaphragm, stainless steel or music wire spring.
- Mounting Options: Flush, panel, manifold, and 1/8 NPT mounts.
- Port Connections: 10-32 female and 1/8-27 male tapered pipe threads.
F-5700, F-5800 Series: Pressure Piloted 3-Way Valve- Features: Subminiature size, low differential, fast response.
- Mechanical Specifications: 65 milliseconds operating speed, up to 100 PSI, 0.5 to 100 PSI pilot adjustment range.
- Materials: Polysulfone housing, polyurethane diaphragm, stainless steel or music wire spring.
- Mounting Options: Flush, panel, manifold, and 1/8 NPT mounts.
- Port Connections: Pilot input with 10-32 female threads, output with instant push-in fitting for 5/32 O.D. tubing.
V-5700, V-5800 Series: Vacuum Piloted 3-Way Valve- Features: Adjustable vacuum pilot setpoint, normally open or closed operation.
- Mechanical Specifications: 1 to 28” Hg adjustable vacuum pilot range, maximum vacuum of 29.9” Hg.
- Mounting Options: Flush, panel, manifold, and 1/8 NPT mounts.
Mounting Options
Includes a unique thread transition from 1/8-27 tapered pipe thread to 1/8-27 straight pipe thread. Manifold mount designed for pneumatic circuit boards or manifold subplates with a Buna N o-ring. 1/8 NPT mount with 1/8-27 tapered pipe threads.
Ordering Information
Specify model number, Normally Open or Closed operation, sensing range, mounting style, and pilot port connection.
Features
Subminiature size, low differential, fast response.
Specifications- Operating Speed: 65 milliseconds.
- Signal Pressure: Maximum of 100 PSI.
- Pilot Adjustment: 1 to 28” Hg.
- Temperature Limits: 40° to 120°F (4° to 49°C).
Materials
Polysulfone housing, polyurethane diaphragm, stainless steel or music wire spring.
Mounting Details- Flush Mount: Requires a .125” diameter hole and No. 4 self-tapping or 5-40 screw.
- Panel Mount: Uses 1/8-27 NPT to 1/8-27 NPS with a 7/16” diameter hole, supplied with a mounting nut.
- Manifold Mount: Two .125” diameter holes, supplied with a Buna N o-ring.
- 1/8 NPT Mount: 1/8-27 male tapered pipe threads with 10-32 female internal threads.
Port Connections- Pilot Input: 10-32 female threads with 1/8-27 male tapered pipe threads, furnished with a 10-32 Barbed Fitting for 1/16” I.D. tubing.
- Output: Instant push-in fitting for 3/32” I.D. x 5/32” O.D. tubing.
Model Information
The V-5700 and V-5800 series are vacuum piloted 3-way valves with different sensing ranges and mounting styles.
Warranty and Liability
One-year warranty from purchase date, covering defects in materials and workmanship. Limits liability to replacement or refund, disclaims consequential damages beyond contract price.
Warnings
Do not exceed rated operating conditions for pressure and temperature. Check material compatibility, especially with polysulfone, to prevent product failure.
Contact Information
Fred Knapp Engraving Co., Inc., Racine, Wisconsin, with contact details for inquiries.