The Rubber Lined Butterfly Valve Factory offers a comprehensive range of high-quality butterfly valves with rubber lining, designed for durability and reliability. These valves are constructed from ductile iron, carbon steel, and stainless steel, ensuring robustness and corrosion resistance. Available in sizes from DN40 to DN800 (1-1/2 to 32 inches), they are rated for pressures up to PN10 and PN16, as well as Class 150 LB. The valves feature wafer ends for easy installation and maintenance.
Product Name: Full Rubber Lined Wafer Butterfly Valve
Body Material: Ductile Iron, Carbon Steel, Stainless Steel
Nominal Diameter: DN40-DN800, 1-1/2 - 32 Inches
Pressure Range: 1.0-1.6MPa, PN10-PN16, Class 150 LB
End Connection: Wafer
Actuation Method: Manual, Worm Gear Actuator, Pneumatic Actuator, Electric Actuator
Applicable Media: Air, water, sewage, steam, coal gas, oil, etc.
The full rubber lined butterfly valve is composed of a rubber sealed butterfly valve and carbon steel or stainless steel valve plate and stem. It is suitable for regulating flow and cutting off media in pipelines at temperatures 80°C to 120°C, such as in food, pharmaceutical, chemical, petroleum, electric power, light industry, papermaking, etc.
Main Features
1. Simple design, reasonable structure, light weight, and fast operation.
2. Small torque, convenient operation, and labor-saving.
3. Can be installed in any position for easy maintenance.
4. The sealing element can be replaced, and the sealing performance can achieve bidirectional sealing without leakage.
5. The sealing material is resistant to aging and has strong corrosion resistance, with a long service life.
Manufacturing Standards
Design Standard: GB/T 2238-1989
Structural Length Standard: GB/T 12221-1999
Structural Length Standard: GB/T 9113.1-2000, GB/T 9115.1-2000, JB/T 78
Pressure Test Standard: GB/T 13927-1992, JB/T 9092-1999
Main Technical Parameters
Nominal Diameter |
DN (mm) |
DN50-DN800 |
||
Nominal Pressure |
PN (MPa) |
0.6 |
1.0 |
1.6 |
Test Pressure |
Strength Test |
0.9 |
1.5 |
2.4 |
Seal Test |
0.66 |
1.1 |
1.76 |
|
Air Tightness Test |
0.6 |
0.6 |
0.6 |
Part Name |
Material |
Valve Body |
Ductile Iron, Cast Steel, Stainless Steel |
Disc |
Cast Steel, Stainless Steel, Special Materials |
Seal Ring |
Various Rubber, PTFE |
Valve Stem |
2Cr13, Stainless Steel |
Stuffing Box |
O-ring, Flexible Graphite |
Sealing Material Selection and Applicable Temperature
Material |
CR |
NBR |
EPDM |
PTFE |
SI |
VITON |
NR |
PA |
Part Number |
X or J |
XA or JA |
XB or JB |
F or XC, JC |
XD or JD |
XE or JE |
X1 |
N |
Maximum Temperature (°C) |
82°C |
93°C |
150°C |
232°C |
250°C |
204°C |
85°C |
93°C |
Minimum Temperature (°C) |
-40°C |
-40°C |
-40°C |
-268°C |
-70°C |
-23°C |
-20°C |
-73°C |
Applicable Working Temperature |
0°C to +80°C |
-20°C to +82°C |
-40°C to +125°C |
-30°C to +150°C |
-70°C to +150°C |
-23°C to +150°C |
-20°C to +85°C |
-30°C to +93°C |