China Quadrdant Bolted Type Strain Clamp NLL-4J Manufacture and Factory

Quadrdant Bolted Type Strain Clamp NLL-4J

Short Description:

The NLL series bolted quadrant pistol strain clamp is an aluminum bolted dead end for transmission line construction with all aluminum, ACSR or aluminum alloy conductor, or for Alumoweld shield wire. fixing the conductor to strain poles.

• It is designed for single cable.

• Stainless steel bolt and hot dip galvanized steel bolt is optional.

• Clamp body and keep pieces are casted in anti-oxidate, high strength, heat treated and silicon-aluminum alloy with smooth surface.

• Easy installation without special tools.

• Low ecectric energy loss.

• Using in all kinds of high transmission line constructions

• Custom size is available upon request.

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Product Detail

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Product Tags

Product Details

General
Type No.	NLL-4J
Catalogue No.	33018030100AQ
Fittings Type	Socket
Material-Body	Aluminium Alloy
Material-Keeper	Aluminium Alloy
Material – Bolt & Nut	Hot dip galvanized steel
Material – Clevis Pin	Hot dip galvanized steel
Material – Pin cotter	Stainless steel
Type	Bolted
No. of Bolts	3
Tension strength	100kN
Dimension
Clamp Range	18.0-30.0mm
Clevis opening	35mm
Dia of Clevis Pin	18mm
Dia of U-bolt	12mm
Height	205mm
Length	155mm
Weight	1.82kg

The Guide for Strain Clamp

· Chapter 1 – Types Of Strain clamp

· Chapter 2 –Structure Feature Of Strain clamp

· Chapter 3– Application Of Strain Clamp

· Chapter 4 –Insulation cover performance feature

· Chapter 1 – Types Of Strain clamp

· Chapter 2 –Structure Feature Of Strain clamp

◆The body is made of high-strength aluminium ally

◆Smooth surface long servile life

◆Easy installation

◆No waste electric energy

· Chapter 3– Application Of Strain Clamp

NLL series aluminium alloy strain clamp (Bolt type) is suitable for aerial line up to 20kV fixing aluminium wire or steel core minium wire on the strain pole aerial insulation aluminium conductor and insulation aluminium cover are being used together ,and the action is insulation protection.

· Chapter 4 –Insulation cover performance feature

◆1~10kV Withstand voltage:≥18kV keep voltage one minute not breakdown
20kV Withstand voltage:≥30kV keep voltage one minute not breakdown
◆Insulation resistance: > 1.0x 10140
◆Environments temperature: -30°C~90°C
◆Weather proof performance: have good performanced after 1008 hours artifical climate aging test