Design
- Grooved resilient swing check valve construction.
- Prevents backflow in piping systems.
- Compact design for easy installation and maintenance.
Grooved Swing Check Valve
AG VR-300-G Grooved Resilient Swing Check Valve
VR-300-G — Grooved ends to AWWA C606, 300 psi (21 bar), 2"–12" (DN50–DN300)
AG VR-300-G Grooved Resilient Swing Check Valve from AG Fire Sprinkler prevents reverse water flow in fire protection systems, with grooved ends and a 300 psi working pressure rating.
Manufactured by
AG Fire Sprinkler
AG VR-300-G Grooved Resilient Swing Check Valve
Review the confirmed product information, including description, features, benefits, and applications.
AG Fire Sprinkler's Grooved Resilient Swing Check Valve, Model VR-300-G, is designed for fire protection systems to prevent reverse water flow.
The valve keeps flow in one direction under high-pressure conditions, with a working pressure of 300 psi (21 bar). Grooved end connections make installation and maintenance straightforward.
Pressure & Temperature
- Working pressure: 300 psi (21 bar).
- Working temperature: 32°F to 176°F (0°C to 80°C).
Connection & Sizes
- Grooved ends to AWWA C606.
- Sizes 2", 2½", 3", 4", 6", 8", 10" and 12" (DN50 to DN300).
- 2½" and 6" offered for two pipe outside diameters.
Materials & Coating
- Body in ductile iron ASTM A536 65-45-12.
- Disc in AISI 304 (2"–4") or ductile iron (6"–12") with EPDM sealing ring.
- Bronze seat ring; AISI 304 spring and AISI 420 hinge pin.
- Fusion-bonded epoxy coating to ANSI/AWWA C550, finished red RAL 3000.
One-Way Flow
Keeps water flowing in one direction to protect the system.
Less Water Hammer
Reduces the risk of water hammer and related system damage.
Simple Installation
Grooved end connections allow quick installation.
Low Maintenance
Long service life with low maintenance requirements.
The AG VR-300-G is used where grooved piping systems need backflow prevention.
Fire Protection Systems
Backflow prevention in grooved fire sprinkler and standpipe piping.
Water Distribution Networks
Non-return duty in water distribution lines.
Industrial Applications
Check valve service in industrial water piping.
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