1), Product Information
Vortex manufactures many different types of ductile iron couplings for many kind pipes(PVC/UPVC, AC, Steel etc)
We supply coupling for all over the world and product surface shall be smooth and free from sand holes, blow holes, distortion or any other defects.
2), Material
Body:
Ductile iron grade 500-7/ 450-10 in accordance with ISO 1083 or 70-50-05/65-45-12 with ASTM A536
Gland:
Steel/Ductile iron grade 500-7/ 450-10 in accordance with ISO 1083 or 70-50-05/65-45-12 with ASTM A536
Gasket:
Rubber E. P. D. M. /SBR/NR in accordance with EN 681.1
T-BOLTS AND NUTS:
Carbon steel grade 8.8/6.8/4.8 with dacromet coating/galvanization
3), Process
Resin Sand
Molding Boards
Green Sand with hand molding
Audited Supplier 
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