coupling size:3"-12" with iso9001, CE and WRAS certificate high quality and reasonable price prompt delivery

Coupling

MATERIAL SPECIFICATION&STANDARDS

Universal Couplings designed and manufactured under quality management system certificate to ISO9001:2000.Hydrostatic testing conform to standard of AWWA/ANSI C219

Center Sleeve

Rolled Steel to BS EN 10025-1993 Grade S275

End Rings

Ductile iron to BS EN1563-1997

Grade EN-GJS-450-10

Bolts

To BS EN ISO 898:1999 Grade 4.8

Nuts

To BS970:Part 1:S304 Stainless Steel

Washers

To BS970:Part 1:S304 Stainless Steel

Gasket

EPDM to BS 681.1-1996

Coating

The Center Sleeve and End Rings are Epoxy Coated,which is certified for portable water.

Working Pressure:1.6Mpa

Testing pressure:2.4Mpa

Woring Temperature:0°C to+100°C

Coupling caters for a total angular deflection of ±3 degrees

DIMENSIONS(mm)
Pipe Nom	Pipe Materials	OD Range (mm)	Bolt Length (mm)
80	Ductile Iron,PVCu,Cast Iron, Steel,Cast Iron Met&Imp AC	88.1-102.4	M12*175
3"
100	Ductile Iron,PVCu,Cast Iron, Steel,Cast Iron Met&Imp AC	109.6-127.8	M12*175
4"
150	Ductile Iron,PVCu,Cast Iron, Steel,Cast Iron Met&Imp AC	158.2-181.6	M12*200
6"
200	Ductile Iron,PVCu,Cast Iron, Steel,Cast Iron Met&Imp AC	218.1-235.0	M12*200
8"
250	Ductile Iron,PVCu,Cast Iron, Steel,Cast Iron Met&Imp AC	272.0-289.0	M12*215
10"
300	Ductile Iron,PVCu,Cast Iron, Steel,Cast Iron Met&Imp AC	322.9-339.4	M12*215
12"

Ductile iron end ring steel or ductile iron sleeve coupling suitbale for potable water