1. design confirms to: bs5163, sabs664/665

2. flanged drilled confirms to: bs4504

3. test & inspection: bs6755

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 brass59-1

7 handwheel ggg40/ggg50