Nominal diameter: DN50~1200mm
Nominal pressure: PN0.6~1.6MPa
Applicable medium: air, water, sewage, steam, gas, oil, etc
Applicable temperature: ¡Ü120¡æ
Operating temperature: normal temperature
Form of connection: clamp
Main material: all kinds of rubber, teflon, cast steel
Worm gear cast steel full rubber lined butterfly valve- purpose and characteristics
D371J Worm gear cast steel full rubber lined 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.
D371J 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 D371J Worm gear cast steel full rubber lined 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 ofD371J Worm gear cast steel full rubber lined 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 |
XB or JB |
XC,JC or F |
XD or JD |
XE or JE |
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 |