Armstrong 77W04

The Armstrong 77W04 valve-gas (2 Stg Nat) delivers precise natural gas control for demanding installations. This two-stage gas valve provides smooth startup, tight shutoff, and reliable regulation across fluctuating pressures. This valve is built for reliability in challenging environments, delivering consistent performance across pressure variations and temperature swings.

Engineered for industrial gas valve applications, the 77W04 offers rugged construction, minimal leak points, and long-lasting performance in natural gas systems. The rugged body resists corrosion, while gas-specific seals minimize leaks and downtime. Ideal for HVAC, processing plants, and remote installations where dependable gas regulation matters.

Key benefits include precision, safety, energy efficiency, and dependable performance across natural gas system configurations.

• Two-stage natural gas regulation for smooth operation
• Tight shutoff and precise flow control
• Durable materials for harsh environments
• Easy installation and low maintenance
• Compatible with standard natural gas piping and regulators