Technical parameters of coupling:
Large Tolerance Unit Coupling is designed to connect with two plain and pipe and it accommodates up to 7-angularity in the sleeve.
Dimension:
DN50~DN300.
Material:
Sleeve by rolled steel to BS EN 10025:1993 Grade S275/ASTM A283 End Rings by GJS500.
Working Pressure:
Pressure test 350psi(24 bar),
Working pressure 230psi(16 bar).
Gasket:
NBR for natural gas, EPDM for potable water.
Double protect bolts and nuts:
DIN 603 Grade 8.8 with one DIN 934 nut and DIN 125 washer.
Bolts and nuts are galvanizing.
Painting:
RAL 5005 EXPOXY painting, thickness 200μm.
Coupling
