Concentric Fluorine Lined Wafer Butterfly Valve
Features
Seat Type |
Vulcanized fully liner & Not Replaceable |
Body Design |
Split type body |
Leakage Level |
Bubbles-tight sealing with no leakage |
Low Torque |
Operation easy and flexible |
Bidirectional Sealing |
Any installation position |
Low Flow Resistance |
Improve fluid efficiency and reduce energy consumption |
Coating Grade |
Conventional and special conditions of C1-C5 & CX |
Applications |
Highly corrosive, toxic medium, acid, alkali, ultrapure water |
Certificates |
ISO9001, CE, WRAS, ACS |
Specifications
Design Standard |
EN 593 API 609 |
Top Flange Standard |
ISO 5211 |
End Flange Standard |
EN 1092 PN10/16, ANSI 125LB/150LB, JIS B2220 10K |
Face to Face Dimension |
API 609, EN558-1 Series 20, BS5155, DIN3202 K1 |
Testing Standard |
API 598 |
Temperature |
-18℃~150℃(depends on the sealing material) |
Body Material |
Ductile Iron, Carbon Steel, Stainless Steel |
Disc Material |
Stainless Steel, PTFE or PFA Fully Lined |
Shaft Material |
Stainless Steel |
Seat Materia |
PTFE, RPTFE, PFA, F46 |
Operator |
Lever, Gearbox, Pneumatic, Electric Actuator |
Dimension
Size |
D |
Ф D1 |
Ф D2 |
Ф D3 |
4 - Ф d1 |
H |
L |
DN50 |
43 |
57.5 |
82.6 |
102 |
10.4 |
9.5 |
245 |
DN65 |
45.5 |
72.3 |
82.6 |
102 |
10.4 |
9.5 |
245 |
DN80 |
45.5 |
84.5 |
82.6 |
102 |
10.4 |
9.5 |
245 |
DN100 |
51.7 |
106.4 |
82.6 |
102 |
10.4 |
9.5 |
245 |
DN125 |
55 |
130.1 |
82.6 |
102 |
10.4 |
12.7 |
281 |
DN150 |
55 |
153.7 |
82.6 |
102 |
10.4 |
12.7 |
281 |
DN200 |
62.5 |
199.4 |
127 |
152 |
14.3 |
12.7 |
380 |
DN250 |
67.6 |
247.5 |
127 |
152 |
14.3 |
16 |
380 |
DN300 |
77.5 |
300.1 |
127 |
152 |
14.3 |
19 |
380 |
The fluorine-lined (e.g., PTFE/FEP) butterfly valve offers exceptional corrosion resistance, handling highly aggressive media like strong acids, alkalis, and solvents. The seamless lining ensures zero contamination and bubble-tight sealing. With compact design and easy operation, PTFE seated wafer butterfly valve is ideal for corrosive applications in chemical processing, pharmaceuticals, electroplating, and wastewater treatment systems, providing reliable flow control where standard metals would fail.