Performance description
Two lock nuts are convenient to adjust the Co. welded screw joint according to the size and specification of the pipe to improve the strength
The bolt is protected by plastic jacket and loose cushion, EPDM black insulation insulation lining, anti-aging.
Pass DIN 4109 noise reduction test and fire test
It is applicable to fire pipes, HVAC pipes, sprinkler pipes, hot water pipes, water supply and drainage pipes below DIN 500
Working temperature: - 50 ℃ ~ + 120 ℃
Material: produced according to DIN en10111 standard, EPDM hardness of lining cushion material; shore A45° ±5°
Noise reduction index: NRR = 20dB (a)
Tip: the screw must be fully screwed into the joint to ensure the predetermined bearing capacity
