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1.Ductile iron end cover and steel sleeve
3.Pressure : PN10/16
4.size : DN50-DN300
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.
Material:Sleeve by rolled steel to BS EN 10025:1993 Grade S275/ASTM A283 End Rings by GJS500 casting.
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.
RAL 5005 Polyester painting, thickness 150μm.
Hope we can receive your enquiry in future.
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