Parker Refrigerant Ball Valve: 3/4 in Sweat, 750 psi Max, 1/4"-20 UNC – Bottom
The PARKER Refrigerant Ball Valve (MPN QL171R-12-12) is a sweat connection service valve with a 3/4 in sweat connection and copper connection material. It is rated for a maximum pressure of 750 psi and an operating…
SKU 3G-OTH-73392
Need installation or engineering help?
Ask a question
Product Description
The PARKER Refrigerant Ball Valve (MPN QL171R-12-12) is a sweat connection service valve with a 3/4 in sweat connection and copper connection material. It is rated for a maximum pressure of 750 psi and an operating temperature range of -40°F to 250°F, and features a 1/4"-20 UNC bottom mounting thread.
Frequently Asked Questions
What is a PARKER refrigerant ball valve used for?
A PARKER refrigerant ball valve isolates or controls refrigerant flow in HVAC and refrigeration systems. The QL171R-12-12 model with 3/4 in sweat connections is designed for brazed copper line installation, handling up to 750 psi and -40°F to 250°F.
What are the specifications of the PARKER QL171R-12-12 refrigerant ball valve?
The PARKER QL171R-12-12 is a 3/4 in sweat connection refrigerant ball valve with copper connection material. It has a maximum pressure rating of 750 psi, operating temperature range of -40°F to 250°F, and a 1/4"-20 UNC bottom mounting thread.
Where to buy PARKER refrigerant ball valves worldwide?
3G Electric supplies PARKER refrigerant ball valves like the QL171R-12-12 to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote on this or any other industrial component across 14 departments.
How to install a sweat connection refrigerant ball valve?
To install a sweat connection valve like the PARKER QL171R-12-12, clean and flux the copper tube and valve ends, then braze using a nitrogen purge to prevent oxidation. Avoid overheating the valve body. After cooling, pressure-test the joint before system operation.
Used in
Common applications for ParkerParker Products
3G Electric supplies Parker sweat connection service valves. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.











