Nominal diameter: DN50 ~ 1000mm
Nominal pressure: PN0.6 ~ 1.6Mpa
Applicable media: air, water, sewage, steam, gas, oil, etc
Applicable temperature: ¡Ü 120 ¡æ
Working temperature: normal temperature
Connection type: clamp and flange
Main materials: all kinds of rubber, polytetrafluoroethylene
Flanged butterfly valves - purpose and characteristics
D341J full rubber lined flange butterfly valve _ main features:
2. Small operating torque, easy operation, labor saving and dexterity.
3, can be installed at any location, easy maintenance.
4. The seals can be replaced, and the sealing performance is reliable to achieve two-way sealing and zero leakage.
5, sealing material aging resistance, corrosion resistance, long service life and other characteristics.
D341J USES standard
Flange connection dimensions: GB/ t9113.1-2000 GB/ t9115.1-2000 jb78
Structure length: GB/ t12221-1989
Pressure test: GB/ t13927-1992;JB/T9092-1999
Main technical parameters of d341j full rubber lined flange butterfly valve
Nominal diameter |
DN(mm) |
50~2000 |
||
Nominal pressure |
PN(MPa) |
0.6 |
1.0 |
1.6 |
Test pressure |
Strength test |
0.9 |
1.5 |
2.4 |
Sealing test |
0.66 |
1.1 |
1.76 |
|
Gas seal test |
0.6 |
0.6 |
0.6 |
|
Applicable medium |
Air, water, sewage, steam, gas, oil, etc. |
|||
Driving form |
Manual, worm and worm gear transmission, gas transmission, electrical transmission. |
Material of main parts of d341j full rubber lined flange butterfly valve
Part name |
material |
The body |
All kinds of rubber and polytetrafluoroethylene |
Disc |
Gray cast iron, ductile cast steel, cast steel, stainless steel and special materials |
Sealing ring |
Ductile iron, cast steel, alloy steel, stainless steel |
Stem |
2Cr13,Stainless steel |
Packing |
O-ring, flexible graphite |
Selection of sealing material and applicable temperature of butterfly valve
Material variety |
Neoprene |
Ding Qing rubber |
Ethylene propylene rubber |
Teflon |
Silicon rubber |
Fluorine rubber |
Code |
X or J |
XA or JA |
XBorJB |
XC,JCorF |
XDorJD |
XEorJE |
Maximum temperature resistance |
82¡æ |
93¡æ |
150¡æ |
232¡æ |
250¡æ |
204¡æ |
Minimum temperature resistance |
-40¡æ |
-40¡æ |
-40¡æ |
-268¡æ |
-70¡æ |
-23¡æ |
Applicable working temperature |
¡Ü65¡æ |
¡Ü80¡æ |
¡Ü120¡æ |
¡Ü200¡æ |
¡Ü200¡æ |
¡Ü180¡æ |
Soft sealing butterfly valve is suitable for the temperature of 120 ¡æ or less and nominal pressure of 1.6 MPa or less food, medicine, chemical, petroleum, electric power, textile and paper for adjusting flow rate on water supply and drainage, gas pipeline and the role of sectional medium.
1. Novel design, reasonable structure, light weight, quick opening and closing.
Design standard: GB/ t12238-1989