PT Adjustment Board

Premium PT adjustment board (PT-type adjusting plate) – forged steel with hot-dip galvanized coating for high corrosion resistance. Multi-hole design for precise length/sag adjustment of insulator strings. High mechanical strength, easy installation. Ideal for overhead power lines, substations, and transmission tower projects. Compliant with GB & IEC standards, 12-month warranty.

 Key Features

• Material: High-grade carbon steel (Q235), integrally forged for maximum strength

• Coating: Hot-dip galvanized (zinc layer ≥85μm), anti-rust & corrosion-resistant

• Function: Multi-hole design for precise length/sag adjustmentof insulator strings

• Strength: Rated failure load 7–50kN, high tensile & impact resistance

• Durability: Withstands harsh outdoor environments, service life ≥50 years

• Installation: Bolt-on design, compatible with standard power line hardware

• Certification: GB/T 2314, IEC 61284 compliant, CE certified

Applications

• Overhead power line insulator string length adjustment

• Conductor sag & tension control for optimal alignment

• Transmission tower & substation hardware assembly

• Suspension/tension clamp connection with insulator strings

• Lightning protection & earthing system fitting adjustment

• 10kV–500kV electrical construction & maintenance projects

 Installation Instructions

1. Select correct model based on required mechanical load & adjustment range.

2. Clean plate surface & connecting hardware to remove dirt/oxidation.

3. Align holes with insulator strings/tower fittings; insert bolts.

4. Adjust length via multi-hole positions; tighten nuts to 25–40 Nm.

5. Install cotter pins for ；verify secure connection before energization.

Packaging & Shipping

• Packaging: 20/50 pcs per carton, wooden pallet for bulk orders

• MOQ: 50 pcs

• FOB Port: Ningbo/Shanghai

• Delivery Time: 7–15 days after payment

• HS Code: 7326901900