We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

3G Electric
RFQ CartGet a QuoteSign inSign up
Parker Refrigerant Ball Valve: 3/4 in Sweat, 750 psi Max, 1/4"-20 UNC – Bottom - Sweat Connection Service Valves
ParkerSweat Connection Service Valves

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

Also listed as: QL171R1212 · QL171R 12 12

Brand
Parker
Item
Refrigerant Ball Valve: 3/4 in Sweat, 750 psi Max, 1/4"-20 UNC – Bottom
Category
Sweat Connection Service Valves
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

Parker
Manufacturer Part Number
QL171R-12-12
Type
-40°F to 250°F
Max
750 psi
Product Type
Refrigerant Ball Valve
UNC – Bottom
1/4"-20
Connection Material
Copper

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

Parker Products
3G Electric (S) Pte. Ltd. — Singapore

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 Parker
Injection molding machine proportional directional control — Parker solenoid coils and proportional valve cartridges for mold-closing and hydraulic actuation circuits
Construction equipment hydraulic steering and boom control — Parker directional control valves with solenoid actuation for excavator and loader hydraulic systems
Industrial press forming systems — Parker pressure-relief and proportional directional valves for tonnage control and cycle sequencing
Material-handling conveyor systems — Parker proportional control valves with solenoid pilot stages for smooth load acceleration and deceleration
Tire-building machinery — Parker solenoid-actuated directional cartridges for synchronized multi-axis hydraulic positioning
Forestry and mobile equipment — Parker valve spools and solenoid assemblies rated for harsh-environment hydraulic circuits and mobile-duty pressure cycling

Parker 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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Compatible alternatives & equivalents

Cross-referenced by specification & description
This Parker refrigeration ball valve features a 3/4 in male sweat connection and an access port for system service. It has no relief port and is compatible with A2L refrigerants. The valve operates within a temperature range of -40°F to 248°F, suitable for controlling refrigerant flow in HVAC and refrigeration systems
Parker
This Parker refrigeration ball valve features a 3/4 in male sweat connection and an access port for system service. It has no relief port and is compatible with A2L refrigerants. The valve operates within a temperature range of -40°F to 248°F, suitable for controlling refrigerant flow in HVAC and refrigeration systems
Sweat connection refrigeration ball valve with 1/2 in male sweat connection. Includes access port for service access; no relief port. Compatible with A2L refrigerants. Operating temperature range -40°F to 248°F
Parker
Sweat connection refrigeration ball valve with 1/2 in male sweat connection. Includes access port for service access; no relief port. Compatible with A2L refrigerants. Operating temperature range -40°F to 248°F
PARKER Refrigerant Ball Valve: 2.1 Cv, 1/4 in Male Sweat, Access Port, No Relief Port, 700 psi (MPN EBVP-1023-PZK BALL VALVE)
Parker
PARKER Refrigerant Ball Valve: 2.1 Cv, 1/4 in Male Sweat, Access Port, No Relief Port, 700 psi (MPN EBVP-1023-PZK BALL VALVE)
This sweat connection refrigeration ball valve features 1/2 in female sweat connections, an access port, and a relief port. Rated for temperatures from -40°F to 300°F, it is used in refrigeration systems for flow control and service access
Parker
This sweat connection refrigeration ball valve features 1/2 in female sweat connections, an access port, and a relief port. Rated for temperatures from -40°F to 300°F, it is used in refrigeration systems for flow control and service access
PARKER Refrigerant Ball Valve: 61.3 Cv, 1 1/8 in Male Sweat, Access Port, No Relief Port, 700 psi (MPN EBVP-1093-PZK BALL VALVE)
Parker
PARKER Refrigerant Ball Valve: 61.3 Cv, 1 1/8 in Male Sweat, Access Port, No Relief Port, 700 psi (MPN EBVP-1093-PZK BALL VALVE)
PARKER Refrigerant Ball Valve: 285 Cv, 2 1/8 in Female Sweat, Access Port, No Relief Port, 700 psi (MPN EBVP-1170 BALL VALVE)
Parker
PARKER Refrigerant Ball Valve: 285 Cv, 2 1/8 in Female Sweat, Access Port, No Relief Port, 700 psi (MPN EBVP-1170 BALL VALVE)

More from Parker

View all Parker parts →
This Parker refrigerant ball valve features a 1/2 in sweat connection with copper connection material for brazing into copper tubing. It is rated for a maximum pressure of 750 psi and an operating temperature range of -40°F to 250°F. The valve includes a 1/4"-20 UNC bottom mounting thread for secure installation. Suitable for isolating or controlling refrigerant flow in HVAC and refrigeration systems
Parker
This Parker refrigerant ball valve features a 1/2 in sweat connection with copper connection material for brazing into copper tubing. It is rated for a maximum pressure of 750 psi and an operating temperature range of -40°F to 250°F. The valve includes a 1/4"-20 UNC bottom mounting thread for secure installation. Suitable for isolating or controlling refrigerant flow in HVAC and refrigeration systems
This sweat connection service valve from Parker is designed for isolating refrigerant flow in HVAC and refrigeration systems. It features a 7/8 in copper sweat connection, rated for maximum 750 psi and temperatures from -40°F to 250°F. The valve includes a 1/4"-20 UNC bottom mounting thread for secure installation
Parker
This sweat connection service valve from Parker is designed for isolating refrigerant flow in HVAC and refrigeration systems. It features a 7/8 in copper sweat connection, rated for maximum 750 psi and temperatures from -40°F to 250°F. The valve includes a 1/4"-20 UNC bottom mounting thread for secure installation
This sweat connection service valve is used in HVAC and refrigeration systems to isolate refrigerant flow for maintenance or repair. It features a 5/8 in sweat connection, copper connection material, and a 1/4"-20 UNC bottom mounting thread. Rated for maximum 750 psi and operating temperature range -40°F to 250°F
Parker
This sweat connection service valve is used in HVAC and refrigeration systems to isolate refrigerant flow for maintenance or repair. It features a 5/8 in sweat connection, copper connection material, and a 1/4"-20 UNC bottom mounting thread. Rated for maximum 750 psi and operating temperature range -40°F to 250°F
PARKER Refrigerant Ball Valve: 3/8 in Sweat, 750 psi Max, 1/4"-20 UNC – Bottom, -40°F to 250°F (MPN QL171R-06-06)
Parker
PARKER Refrigerant Ball Valve: 3/8 in Sweat, 750 psi Max, 1/4"-20 UNC – Bottom, -40°F to 250°F (MPN QL171R-06-06)