Series-A-5000

Supported Applications

The Dwyer Series A-5000 is a 3-Way Shut-Off Valve designed for air and compatible gases. The series functions as either a diverter or a selecting valve, utilizing a common bottom port configuration to manage flow between three instruments. Documented applications include conveniently hooking three instruments together and testing various gages and transmitters.

Operating Conditions & Performance

The Series A-5000 is rated for a maximum operating pressure of 125 psi (8.6 bar) and a temperature limit of 140°F (60°C). The valve body weighs 1 oz (28 g). Flow control is managed via a rotating flag handle with 180° rotation; the handle lies directly over the open port, and flow to both outlet ports shuts off when rotated 90° from either port.

Performance Limits

• Service: Air and compatible gases
• Pressure Limit: 125 psi (8.6 bar)
• Temperature Limit: 140°F (60°C)
• Weight: 1 oz (28 g)

Configuration Options

The series is constructed of solid gray PVC with Buna-N seals. It offers a range of inlet and outlet configurations, including hose barb and NPT connections in both male and female threads across 1/8" and 1/4" sizes.

Connection Types

The available port combinations include:

• Hose barb to hose barb (inlet x outlet x bottom)
• Female NPT inlet with female or male NPT outlets
• Male NPT inlet with female NPT outlets
• Variations in 1/8" and 1/4" sizes for all three ports

The factory can be contacted for a variety of additional inlet/outlet combinations not listed as standard variants.

Key Product Differences

Differences across the series are defined by port type (hose barb vs. NPT), thread gender (male/female), and size (1/8" or 1/4"). Model numbers follow the pattern A-5000 - <MODEL NUMBER> - <INLET TYPE> - <INLET SIZE> - <OUTLET TYPE> - <OUTLET SIZE> - <BOTTOM PORT TYPE> - <BOTTOM PORT SIZE>. Specific dimensional profiles (DIM A and DIM B) vary by model, ranging from 1-27/32 [46.99] to 3-11/64 [80.52] inches depending on the connection configuration.