Siphon Pliers Knipex 81 13 250 Maximum Pipe Diameter 7.5 cm

Knipex Siphon Pliers 81 13 250 are pliers designed for gripping and adjusting siphons, tube fittings and screw-connected connectors with diameters up to 75 mm. The tool combines a box-joint design with 25 adjustment positions and an ergonomic handle to provide secure clamping and good leverage for plumbing tasks. The jaws are exchangeable and supplied with plastic covers to protect sensitive surfaces. The pliers are forged from chrome vanadium electric steel and oil-hardened for durability.

Advantages

Fine adjustment with 25 positions allows precise fitting to various diameters. The box-joint design and robust forged steel construction ensure stable, heavy-duty performance. Exchangeable plastic jaws permit gentle handling of delicate surfaces and hoses. Ergonomic handle geometry improves control and reduces hand fatigue during repeated use.

Suitable for

• Gripping and tightening/loosening siphon screw connections
• Working with plastic pipe fittings and round union nuts
• Handling connectors and couplings with screw connections
• Gently loosening hoses from nozzles

Key specifications

• Maximum pipe diameter: 75 mm
• Overall length: 250 mm
• Weight: 355 g
• Adjustment positions: 25
• Material: chrome vanadium electric steel, forged and oil-hardened
• Jaws: exchangeable plastic-covered jaws for sensitive surfaces

How to use

Select the appropriate adjustment position to match the diameter of the siphon or connector, then close the handles until the jaws securely grip the part. Use controlled pressure to tighten or loosen screw connections, fittings or hoses. Replace the plastic jaw covers when worn to continue protecting painted or delicate surfaces.

Usage recommendations

Use the pliers within the specified maximum diameter and avoid applying excessive force beyond normal tightening or loosening to prevent damage to the tool or the workpiece. Keep the adjustment area clean and periodically lubricate the pivot to maintain smooth operation.