The DQJJ series insulated joint produced by our company is a high-tech product with better technical performance than insulated flanges. The use of insulated joints can cut off electrical connections between protected pipelines and connected devices, equipment, and branches, effectively preventing corrosion of buried pipelines and accessories. Extend the service life of pipelines and equipment. The product complies with the SY/T0086-95 standard for electrical insulation of cathodic protection devices.

Applicable media: natural gas, city gas, liquefied petroleum gas, light oil, etc

Nominal pressure: 1.0, 1.6, 2.5, 4.0 MPa

Medium temperature: -10 ℃~60 ℃

Environmental temperature: -20~60 ℃

Insulation resistance: joint ≥ 5M Ω

Breakdown voltage: connector ≥ 3KV

DQJJ series insulated joints are used for pipeline connections