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By certification 
Rubber joint & Expansion Joint:
1. Flange Material: Ductile Iron, Carbon Steel and stainless steel
Ductile Iron flange can be coated with Epoxy paint (Blue and Grey color)
2. Standard of the rubber expansion joint: ANSI, DIN, JIS, GB and so on (as your technical drawings)
3. Rubber: EPDM NBR and Neoprene Rubber
4. Pressure: 5kg 10kg 16kg 25kg
1. Flange Material: Ductile Iron, Carbon Steel and stainless steel
Ductile Iron flange can be coated with Epoxy paint (Blue and Grey color)
2. Standard of the rubber expansion joint: ANSI, DIN, JIS, GB and so on (as your technical drawings)
3. Rubber: EPDM NBR and Neoprene Rubber
4. Pressure: 5kg 10kg 16kg 25kg
