• 1/4" Gauge Port
• Pressure to 150 PSI
• Polypropylene with stainless steel spring
• Excellent Chemical Resistance
• EPDM O-Rings

23120 Bypasses excess liquid. Adjustable to maintain control of line pressure up to 150 PSI. Selected setting firmly held in place by locknut. Extra large valve passages to handle large flows. Available in either 3/4" or 1/2" sizes. Ports are MPT inlet by FPT outlet. (Gauge port is tapped but not drilled).