Product details
Product Description
The WK-201 Pinch Off Plier is a professional HVAC tube pinching tool designed for quickly sealing copper tubing during refrigeration and air conditioning servicing.
This tool allows technicians to temporarily close copper pipes (up to 5/16″ / 8 mm) without needing to fully recover refrigerant, making it highly efficient for maintenance and repair tasks.
It features a super-hard occlusion jaw combined with a lever principle design, delivering strong clamping force for secure and reliable tube sealing.
The fine-tuning adjustment at the tail allows precise control of jaw opening, while the ergonomic handle ensures comfortable operation with reduced effort. Its rivet connection structure enhances durability and long service life, making it suitable for daily professional use.
Key Features
- Designed for pinching copper tubes up to 5/16″ (8 mm)
- Super-hard occlusion jaw for strong grip
- Lever principle design for maximum clamping force
- Fine adjustment screw (tail design) for precise control
- Ergonomic handle for easy and comfortable use
- Durable rivet connection structure
- Compact design for tight space operation
- Suitable for refrigeration and HVAC servicing
Technical Specifications
| Specification | Details |
|---|---|
| Model | WK-201 |
| Type | Pinch Off Plier |
| Operation | Manual |
| Tube Capacity | Up to 5/16″ (8 mm) |
| Design | Lever Type with Adjustment Screw |
| Jaw Type | Hardened Occlusion Jaw |
| Construction | Steel with Rivet Connection |
| Application | Copper Tube Pinching |
Applications
- Temporary sealing of copper tubing
- HVAC system servicing and repair
- Refrigeration maintenance
- Leak isolation without full gas recovery
- AC installation and field work
Frequently Asked Questions (FAQs)
Q1: What is WK-201 used for?
It is used to pinch and temporarily seal copper tubes in HVAC systems.
Q2: What is the maximum pipe size it supports?
Up to 5/16″ (8 mm) copper tubing.
Q3: Does it damage the pipe?
It pinches the pipe closed; the section is usually cut and replaced later.
Q4: Can it be used without refrigerant recovery?
Yes, it helps avoid full refrigerant recovery for minor repairs.
Q5: Is it suitable for professional use?
Yes, it is designed for HVAC technicians and daily field operations.







