1. design confirms to: awwa c509/c515

2. flanged confirms to : ansi b16.10

3. test & inspection: awwa c509/c515 

4. suitable medium: water and neutral liquid.

5.working temperature: nbr≤80℃，epdm≤120℃

6. operator: hand wheel, nut, extension stem, gear operator

 

material list

no. part material

1 body di astm a536

2 wedge di a536 nbr/epdm

3 stem nut bronze c83600

4 stem 420/304

5 bonnet di astm a536

6 gland di a536/brass

7 hand wheel di astm a536