Fisher Research Labs 133H-3 Low-Pressure Gas Regulator 2" NPT Iron 5-10 PSI

The Fisher Research Labs 133H-3 is a low-pressure line gas regulator designed for natural gas and LP-gas distribution systems. Featuring a 2" NPT iron body and a factory-set outlet pressure range of 5–10 PSI, this regulator is built for reliable, consistent downstream pressure control in commercial and industrial pipeline applications.

Key Features:

• Body Size: 2" NPT threaded iron body for robust, corrosion-resistant performance
• Outlet Pressure Range: 5–10 PSI — suitable for medium-pressure distribution systems
• Inlet Pressure: Compatible with standard upstream gas supply pressures typical of commercial distribution networks
• Spring-loaded diaphragm design ensures accurate and stable pressure regulation
• Iron construction provides durability in demanding pipeline environments
• Designed for use with natural gas and LP-gas service lines

The Fisher 133H series is a trusted solution in gas pressure regulation, manufactured to meet the demands of commercial gas distribution. The 133H-3 model is ideal for applications requiring a regulated outlet in the 5–10 PSI range through a full 2-inch pipe connection.