Detailed Product Description

double stem no-pin aluminium butterfly valves
1.18years experience
2.2years guarantee
3.DN40-600,PN10/16
4.Body: Aluminium

china DN32/PN6/aluminium handle/EPDM seat/cf8m disc wafer type double stem no-pin aluminium butterfly valves

Material for main parts

Parts name	Material
Body	Aluminium
Disc	ductile steel,stainless steel
Seal ring	Manifold rubber,such as EPDM, PTFE,NBR,Viton,CR
Stem	steel,ss420,ss304,ss316
Handle	Aluminium

 

Butterfly valve seal material choice and apporpriate tempersture

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

 

Butterfly valve is suitable for water supplying and draining,gas pipe as adjust flux and cut off medium in foodstuff, pharmacy, chemical industry, petroleum, electric power, light textile, paper making etc with temperature≤120°C, nominal pressure≤1.6Mpa, the main characteristic such as:

 

1.Novel and reasonable design,special structure,light, Easy instllation and mintenance.It can be mounted wherever needed.

2.Tiny operative moment,quick 90 degrees on-off operation.

3.Miniminzed operating torque,energy saving.

4.Flow curve tending to straight line.Excellent regulation performance.

5.Long servie life. Standing the test of tens of thousands opening/closing operation.

6.Bubbles-tight sealing with no leakage under the pressure test.

7.Wide selection of materials, applicable for various medeium.