Pneumatic Automation Flanged End PTFE Lined PTFE Butterfly Valve For Chemical
PTFE Lining Pneumatic Operation Butterfly Valve
PTFE-lining butterfly valve is suitable for many special areas such as strong acid, alkali strong corrosive environment, petroleum, chemicals, food, etc. Anti-corrosion resistance performance can be reached when PTFE is lined between valve body and valve disc.
Quick Information
1). Pressure Range: ≤ 1.6Mpa
2). Flanged Connection: DIN250-PN10/16-ANSI 150LB
3). Nominal Diameter: DN40-DN600
4). Application: Petroleum, Chemical Industry, Food, Medicine, Energy etc.
5). Medium Temp.: -79º C-+180º C (depends on sealing material)
6). Dimension: GB/T 12221 J1 Series
ISO 5752 Short Series 20
BS 5155 Water Short/Medium
DIN 3202 Part 3 Series K1
7). Top Flange: ISO 5211
8). Operation: Handle, Worm wheel, Electrical, Pneumatic, Hydraulic Actuator, Electro-hydraulic Linkage
9). Leakage Level: RPTEA EA 12266-2 (Zero Leak)
Main features
• Large selection of different materials and trims
• Dynamic, live loaded stem seal
• Flow-optimized disc for high cv values
• Mechanically locked in disc encapsulation
• Blow-out proof one-piece disc/stem assembly
• Disc features a rated breaking-point outside the atmospheric seal
• Hysteresis free throttling characteristic
• ISO mounting flange for direct automation
Material List
| Item |
Name |
Material |
| 1 |
Liner |
PTFE |
| 2 |
Disc with shaft |
Stainless steel, PTFE coated |
| 3 |
Upper body part |
Ductile iron |
| 4 |
Lower body part |
Ductile iron |
| 5 |
Pressure element |
Stainless steel(AISI 420) |
| 6 |
Seal capsule |
Stainless steel(AISI 420) |
| 7 |
Energizer |
Silicone rubber / VITON |
| 8 |
Ring |
Silicone rubber |
| 9 |
Sliding gland ring |
Steel PTFE |
| 10 |
Disc spring |
Carbon steel |
| 11 |
Screw |
Stainless steel A4 |
| 12 |
Retaining ring |
Stainless steel A2 |
| 13 |
O-ring |
NBR |
| 14 |
Lock Washer |
Stainless steel A2 |
Product Tags:
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Flanged End PTFE Lined PTFE Butterfly Valve For Chemical Images
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