1. material : DI GGG500-7 ,GGG450-10 or other Ductile iron 2. Technique:Lost foam casting technology 3. Process: 4. Standards : ISO2531, ISO4422, EN545 , EN598 , BS4772 , AWWA C110, AWWA C153 . 5. Market: Europe,Middle east, Africa, America 6. dimension:DN50-DN2600 7. mechanical property: hardness:maximum≤250HB proof stress: minimum≥300MPA tensile strength:imnimum ≥420MPA elongation:minimum≥5% 8. coating :Fusion bonded epoxy coating ;cement lining inside ,zinc primer and bitumen painting outside ;bitumen painting inside and outside; red anti-rust coating . 9. package:wooden cases with plastic layer, wooden pallets with plastic layer , steel crates,steel strip or as per customer's requirements Packing size: according to the products size and quantity 10. accessories: gaskets , bolts and nuts available upon require or as per request 11. sample: sample for free, but you should pay for the freight charge for the samples 12. delivery:within 20-30 days after receipt the 70% balance according to detailed size and quantity 13. payment: 30% TT upon placing order and 70% TT when the goods are finished but before shipment. 14. Strictly material's control and finished parts' dimension testing. 15. Third party Certificate: ISO,SGS, TUV etc. 16. Quality Control:Excellent material, precise angles, good antirust property 17. Product Usage:Suitable for joining pipe lines of team, gas, oil, air