wafer type butterfly valve

Item

Part Name

Materials

1

Body

Cast Iron: ASTM A**6CL. B , DIN***1 GG*5, EN ***1 EN-GJL***0; GB****6 HT**0;

Ductile Iron:

ASTM A**6 *******2, DIN ***3 GGG*0, EN***3 EN-GJS******5, GB****7 QT*****0;

Stainless Steel: ASTM A**1 CF8, CF8M; CF3, CF3M;

Carbon Steel: ASTM A**6 WCB

2

Stem

Zinc Plated Steel;

Stainless Steel: ASTM A**6 Type **6, Type **0, Type **0; ASTM A**2 Type **6;

3

Taper Pin

Stainless Steel: ASTM A**6 Type **4, Type **6; EN 1.***1;

4

Seat

NBR, EPDM, Neoprene, PTFE, Viton;

5

Disc

Ductile Iron (Nickel plated):

ASTM A**6 *******2, DIN ***3 GGG*0, EN***3 EN-GJS******5, GB****7 QT*****0;

Stainless Steel:

ASTM A**1 CF8, CF8M; CF3, CF3M; EN 1.***8, 1.***9; 1.***1;

L-Bronze: ASTM B**8 C****0;

6

O-Ring

NBR, EPDM, Neoprene, Viton;

7

Bushing

PTFE, Nylon, Lubricated Bronze;

8

Key

Carbon Steel