The Aquatrol 69A1S-150 Adjustable Relief Valve is a non-code, field-adjustable safety relief valve from Aquatrol’s Series 69 designed for water service, with a 1/2 inch MNPT inlet and a 1/2 inch FNPT outlet and a factory-set pressure of 150 psi. It features a bronze body with a stainless steel seat and disc and a stainless steel spring, and its operating range is 101 to 150 psi while rated for temperatures up to -60°F to +406°F. This valve occupies roughly 6 inches in height and width, weighs about 0.89 kg, and is intended for liquid relief/bypass applications where precise, field-adjustable pressure protection is required.
