Body Form: Straight through casting butterfly valve
Nominal Diameter: DN50–1000mm
Nominal Pressure: PN1.0, 1.6MPa, Class150Lb
Flange Standard: HG/T20592-2009, ANSI B16.5, JIS B220
Connection Form: Flange type, clamp type
Bonnet Form: A pose
Gland Type: Gland pressure type
Sealing Packing: V-type polytetrafluoroethylene packing, flexible graphite packing
Plate Form: Vertical plate (butterfly)
The pneumatic fluorine lining control butterfly valve is composed of a pneumatic piston actuator and a PTFE-sealed butterfly valve. It is suitable for situations requiring corrosion resistance, cleanliness, and operating temperatures below 180°C. The valve uses lining technology to cover flow passage components, disc, valve body, and valve rod with thick polymer material. It exhibits excellent anti-corrosion performance and can be applied to acids, alkalis, salts, oxidants, reductants, organic solvents, and other media. This valve is ideal for gas, liquid, and semi-liquid applications in industries like chemical processing, petroleum, medicine, food, iron and steel smelting, papermaking, and hydropower systems.
| Z | Actuator |
| Z series control valve |
SH: Pneumatic piston actuator J: Pneumatic film actuator A: Electric DTR actuator R: Electric 3810R actuator |
| R | Structural Style |
| R angle stroke | WF: Standard fuorine linedcontrol butterfly valve |
| Body Form | Straight through casting butterfly valve |
| Nominal Diameter | DN50–1000mm |
| Nominal Pressure | PN1.0, 1.6MPa, Class150Lb |
| Flange Standard | HG/T20592-2009, ANSI B16.5, JIS B220 |
| Connection Form | Flange type, clamp type |
| Bonnet Form | A pose |
| Gland Type | Gland pressure type |
| Sealing Packing | V-type polytetrafluoroethylene packing, flexible graphite packing |
| Plate Form | Vertical plate (butterfly) |
| Flow Characteristic | Equal percent, fast start, linear |
| Actuator Type | GT series, SR series, AT series, AW series, TH(QGSY) series single and double action pneumatic actuators |
| Air Supply Pressure | 400~700 KPa |
| Air Interface | G1/4″, G1/8″, G3/8″, G1/2″ |
| Environment Temperature | -30~+70°C |
| Role Form | Single-acting actuator: Gas-off type (B) – valve position opens (FO) when gas is lost; Gas open (K), loss of air pressure valve position off the (FC). |
| Double-acting actuators: Gas-off type (B) – valve position remains (FL) when air is lost; Open air (K) – valve position remains (FL) when the air is lost. | |
| Accessories Available | Positioner, solenoid valve, air filter unloader, position holding valve, trip switch, valve position transmitter, handwheel mechanism, etc |
| Name | Material |
| Body, seat | WCB, LCB, CF8, CF8M, CF3, CF3M |
| Butterfly plate | WCB, 304, 316, 316L |
| Sealing ring | Fluorine rubber, PTFE |
| Lining material | PO, PE, PP, F46, F4, PFA |
| Stem | 17-4PH, 2Cr13, Stainless steel |
| Packing | V-type PTFE packing |
| Nominal Diameter (mm) | 50-500 | |||
| Nominal Pressure PN (MPa) | PN(MPa) | 0.6 | 1 | 1.6 |
| Test Pressure | Strength Test | 0.9 | 1.5 | 2.4 |
| Sealing Test | 0.66 | 1.1 | 1.76 | |
| Low Pressure Air Test | 0.6 | 0.6 | 0.6 | |
| Applicable Medium | Concentrated sulfuric acid, hydrochloric acid, nitric acid, hydrofluoric acid, aqua regia, and various other corrosive media. | |||
| Project | Technical Indicators | |||
| Return Error < (%) | With locator: less than 2% of the full travel | |||
| Fundamental Error (%) | With positioner: less than ±2% of the full travel | |||
| Leakage | Symbol ANSI B16.104 class IV standard | |||
| Adjustable Range R | 50:01 | |||
| DN | NPS | L | D | K | d | C | f | n-Φz | H |
| 50 | 2″ | 108 | 165 | 125 | 100 | 18 | 3 | 4-Φ18 | 63 |
| 65 | 2 1/2″ | 112 | 185 | 145 | 120 | 18 | 3 | 8-Φ18 | 70 |
| 80 | 3″ | 114 | 200 | 160 | 135 | 20 | 3 | 8-Φ18 | 83 |
| 100 | 4″ | 127 | 220 | 180 | 155 | 20 | 3 | 8-Φ18 | 105 |
| 125 | 5″ | 140 | 250 | 210 | 185 | 22 | 3 | 8-Φ22 | 115 |
| 150 | 6″ | 140 | 285 | 240 | 210 | 22 | 3 | 8-Φ22 | 137 |
| 200 | 8″ | 152 | 340 | 295 | 265 | 24 | 3 | 8-Φ22 | 164 |
| 250 | 10″ | 165 | 395 | 350 | 320 | 26 | 3 | 12-Φ22 | 206 |
| 300 | 12″ | 178 | 445 | 400 | 370 | 26 | 3 | 12-Φ22 | 230 |
| 350 | 14″ | 190 | 505 | 460 | 430 | 26 | 4 | 16-Φ22 | 248 |
| 400 | 16″ | 216 | 565 | 515 | 480 | 26 | 4 | 16-Φ26 | 289 |
| 450 | 18″ | 222 | 615 | 565 | 530 | 28 | 4 | 20-Φ26 | 320 |
| 500 | 20″ | 229 | 670 | 620 | 580 | 28 | 4 | 20-Φ26 | 343 |
| 600 | 24″ | 267 | 780 | 725 | 680 | 34 | 5 | 20-Φ30 | 413 |
| DN | NPS | L | D | K | d | C | f | n-Φz | H |
| 50 | 2″ | 108 | 165 | 125 | 100 | 18 | 3 | 4-Φ18 | 63 |
| 65 | 2 1/2″ | 112 | 185 | 145 | 120 | 18 | 3 | 8-Φ18 | 70 |
| 80 | 3″ | 114 | 200 | 160 | 135 | 20 | 3 | 8-Φ18 | 83 |
| 100 | 4″ | 127 | 220 | 180 | 155 | 20 | 3 | 8-Φ18 | 105 |
| 125 | 5″ | 140 | 250 | 210 | 185 | 22 | 3 | 8-Φ22 | 115 |
| 150 | 6″ | 140 | 285 | 240 | 210 | 22 | 3 | 8-Φ22 | 137 |
| 200 | 8″ | 152 | 340 | 295 | 265 | 24 | 3 | 8-Φ22 | 164 |
| 250 | 10″ | 165 | 405 | 355 | 320 | 26 | 3 | 12-Φ22 | 206 |
| 300 | 12″ | 178 | 460 | 410 | 375 | 28 | 4 | 12-Φ26 | 230 |
| 350 | 14″ | 190 | 520 | 470 | 435 | 30 | 4 | 16-Φ26 | 248 |
| 400 | 16″ | 216 | 580 | 525 | 480 | 32 | 4 | 16-Φ30 | 289 |
| 450 | 18″ | 222 | 640 | 585 | 550 | 40 | 4 | 20-Φ30 | 320 |
| 500 | 20″ | 229 | 715 | 650 | 610 | 44 | 5 | 20-Φ33 | 343 |
| 600 | 24″ | 267 | 840 | 770 | 720 | 54 | 5 | 20-Φ36 | 413 |
| DN | NPS | L | D | K | d | C | f | n-Φz | H |
| 50 | 2″ | 108 | 165 | 125 | 100 | 20 | 3 | 4-Φ18 | 63 |
| 65 | 2 1/2″ | 112 | 185 | 145 | 120 | 22 | 3 | 8-Φ18 | 70 |
| 80 | 3″ | 114 | 200 | 160 | 135 | 24 | 3 | 8-Φ18 | 83 |
| 100 | 4″ | 127 | 235 | 190 | 160 | 24 | 3 | 8-Φ22 | 105 |
| 125 | 5″ | 140 | 270 | 220 | 190 | 26 | 3 | 8-Φ26 | 115 |
| 150 | 6″ | 140 | 300 | 250 | 215 | 28 | 3 | 8-Φ26 | 137 |
| 200 | 8″ | 152 | 360 | 310 | 275 | 30 | 3 | 12-Φ26 | 164 |
| 250 | 10″ | 165 | 425 | 370 | 335 | 32 | 3 | 12-Φ30 | 206 |
| 300 | 12″ | 178 | 485 | 430 | 395 | 34 | 4 | 16-Φ30 | 230 |
| 350 | 14″ | 190 | 555 | 490 | 450 | 38 | 4 | 16-Φ33 | 248 |
| 400 | 16″ | 216 | 620 | 550 | 505 | 40 | 4 | 16-Φ36 | 289 |
| 450 | 18″ | 222 | 670 | 600 | 550 | 46 | 4 | 20-Φ36 | 320 |
| 500 | 20″ | 229 | 730 | 660 | 610 | 48 | 5 | 20-Φ36 | 343 |
| 600 | 24″ | 267 | 845 | 770 | 720 | 58 | 5 | 20-Φ39 | 413 |
The Fluorine Lining Control Butterfly Valve is an ideal solution for applications requiring corrosion resistance, cleanliness, and precise flow regulation. It is widely used in chemical processing, petroleum, pharmaceuticals, food and beverage, iron and steel smelting, papermaking, hydropower, and wastewater treatment industries. This valve is designed for handling aggressive media, including acids, alkalis, salts, oxidants, and organic solvents, as well as high-purity and semi-liquid materials. With its compact design, excellent sealing performance, and ability to operate at temperatures below 180°C, the valve provides reliable closure and flow control for gas, liquid, and semi-liquid systems.
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