Description
Size: 1/2" NPT Female x Female; Working temperature: -68-212°F;.Installation: easy to use by direct connection with Male NPT (please follow the direction arrow);.Use: adjustment with a screwdriver to control water pressure in any range between 0 and 140 PSI, but cannot shut off (maximum pressure: 240 PSI);.Features: adopts piston structure,no jamming, reliable performance and durability;.Applications: widely used in various types of building water supply systems, fire-fighting systems, central air conditioning, RV travel, etc.