ASCO K3A542V Gas Shut-Off Valve, 1/2", 120V

Gas Shut-Off Valve ASCO K3A542V provides precise, safe control for combustion and heating equipment. This 2-Way, high-pressure direct-acting valve is piloted operated and designed for fuel gas applications, delivering dependable shut-off performance in commercial and industrial gas burners.

Key specs include a 1/2 inch NPT port connection, a die-cast aluminum body with NEMA 1 enclosure, and operation on 120 VAC at 60 Hz. The valve handles fuel gas at 0 to 6 psi, with a normally closed (NC) position for reliable off-state isolation.

Designed for tough industrial use, it supports mounting in horizontal or upright installations and is compatible with UL, CSA (Canada/US) and FM standards.

Inclusions/Features include NBR seal and disc, 302 stainless steel components, copper shading coil, cork body gasket, and core guide, plus a 302F stainless steel spring and zinc-plated pipe plug for durable, leak-free operation.

• Type & action: 2-Way, high-pressure direct-acting, piloted operated
• Port connections: 1/2" Threaded x 1/2" Threaded
• Construction: Die-cast aluminum body, NEMA 1 enclosure, horizontal/upright installation
• Electrical: 120 VAC, 60 Hz, 16.7 W
• Media & pressure: Fuel gas, 0–6 psi
• Inclusions: NBR seal and disc, stainless steel components, copper shading coil
• Standards: UL, CSA, FM
• Cv: 6

With a Cv of 6 and a 16.7 W power rating, this valve delivers reliable performance for combustion, heating equipment, and commercial/industrial gas burners.