• Model NO.：40KN-420KN cap fitting
• Coating：Zinc oxide
• Machining Tolerance：+,-0.15mm
• Standard：ANSI
• Certification：CE, ISO 9001:2000, ISO 9001:2008
• Specified Mechanical Load：500kn Max
• Voltage Range：0.4kv-750kv
• Transport Package：Standard Export Seaworthy and Plywood Case Packing
• Specification：As Client Drawings
• Trademark：ODM,OEM
• Origin：Qingdao, China
• HS Code：73269090
• Production Capacity：1200tons,Month

Basic Info.

Model NO. 40KN-420KN cap fitting Coating Zinc oxide Machining Tolerance +/-0.15mm Standard ANSI Certification CE, ISO 9001:2000, ISO 9001:2008 Specified Mechanical Load 500kn Max Voltage Range 0.4kv-750kv Transport Package Standard Export Seaworthy and Plywood Case Packing Specification As Client Drawings Trademark ODM/OEM Origin Qingdao, China HS Code 73269090 Production Capacity 1200tons/Month

Product Description

R-Clip type Ductile Cast Iron Cap also have many kinds of design based on different drawings. 

R-Clip type Ductile Cast Iron Cap (40KN-420KN) is widely used in ceramic/porcelain insulators and glass suspension insulators.

1: Name: Clevis/ Socket Top Cap Fitting
2: Material: Forged steel& casting steel, Ductile Cast Iron
3: SML: 40KN-420KN
4: Zinc Thickness Gauge: 70--150μm

Welcome for you inquiry and you will enjoy our most competitive price with good quality and on time delivery.

QINGDAO COSINE electrical equipment specializes in supplying insulator and pole line hardware. With high speed of power construction in China and oversea country, QINGDAO COSINE has grown into a leader of exporting of insulator in China.

Our products range from10KV-500KV polymer insulator, 40KN-420KN porcelain insulator and various kinds' pole line hardware. All the insulators have been produced by modern equipment, For example 500KV polymer insulator has been produced by high volume injection machine, which can finish two pieces 500KV at one time. Mention to the porcelain insulator, the vacuum pug mill has been imported from Germany in order control the quality from blank.



We pay more attention to the product quality all time. All the insulators have been tested 100% strictly by IEC Standard or ANSI Standard. We ensure the rate of qualified Production up to 100% before delivery. Base on good quality and service, our products are popular in USA, UK, Vietnam, Italy, Russia, Greece, Argentina and Chile. In order to keep good quality, we have got ISO9001 Certificate.


Excellent service attitude, fast reaction speed, on-time delivery, consciousness of responsibility and flexibility is what we are practicing from the very beginning. Warmly welcome to cooperate with us to make mutual benefits!

Looking forward to your valued inquiry!