1.design confirms to: din3352

2.flanged drilled confirms to din2501

3.test & inspection:din3230

4.normal pressure:1.0mpa, 1.6mpa, 2.5mpa

5.suitable medium: water and neutral liquid.

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

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

material list

no. part material

1 body ggg40/ggg50

2 wedge ggg40/ggg50/nbr/epdm

3 stem nut brass/bronze/59-1/cz132/5-5-5

4 stem 2cr13/420/304

5 bonnet ggg40/ggg50

6 gland brass 59-1

7 hand wheel ggg40/ggg50