Material variety

Neoprene

Styene rubber

EPDM

PTFE

Silicon rubber

Fluorine rubber

Resistance highest temperature

82°C

93°C

150°C

232°C

250°C

204°C

Resistance lowest temperature

-40°C

-40°C

-40°C

-268°C

-70°C

-23°C

Suitable working temperature

≤65°C

≤80°C

≤120°C

≤200°C

≤200°C

≤180°C

item

Name

Sufa butterfly valve DN100

Common one DN100

1.

body

Cast iron, weight 3.14kg,the paint is processed under two times high temperature, never fade outdoor,Unique appearance,meets GB,ANSI,JIS standard

Body weight 1.56kg, normal paint in normal temperature

2.

seat

EPDM rubber,includes 50% natural rubber,working temperature -20-120°C,long service life,Test results show rubber has no influence after open and shut 6000 times ,can supper NBR,PTFE,CSM,Viton,silicone rubber,CR seat

Made from renovated rubber, include 5% natural rubber, easy leakage after 5 times

3.

disc

0.56kg,solid,working press