Worm Gear Butterfly Valve

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

Jinerjian 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 pressure 30 bar, can supply ductile iron,cast steel,stainless steel 304,316,316L etc disc

Cast iron, hollow 0.46kg

4.

handle

length 260mm,scientific design,labour saving ,weight 0.36kg                          can supply pressed chromium handle, aluminum handle etc

Length 230mm, 0.32kg, iron, easy to burst in winter

5.

disk

thickness 2mm,can supply pressed chromium plating disc and aluminum disc

Galvanize,1.2mm thickness

6.

Gearbox

2.04kg, spraying frosting

1.78kg, coat with lacquer

7

stem

0.44kg,length 290mm,diameter 16mm,made from cold drawn steel,galvanized surface,smooth and  anti-rust,reduce friction force between bushing and stem effectively,can supply  cast  steel, stainless steel 304,316,316L etc stem

0.26kg, black stem

8

bushing

yellow bushing,made from waterproof and wear resistant material after 16 processes,each valve have 4 bushings+1 O-ring,5 steps make valve zero leakage

Only use one bushing

9.

bolt+ nut

10×30 plating color machine bolt& nuts with metal gasket, effectively prevent loose when pipe shock

6×20 bolt

10.

Test pressure

every butterfly valve have to testing on both sides before delivery, the test pressure can reach 20bar,the national standard only request 17.6bar

sample testing pressure

11.

weight

 5.26kg

3.14kg