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CN | EN

Pneumatic Lined Butterfly Valve（Wafer）

Technical Parameters

Product Model: D671F4/D671F46

Nominal diameter: DN40～1000mm

Nominal pressure: PN1.0~1.6 MPa

Gland Type: Gland Compression Type

Body form: straight-through casting butterfly valve

Valve plate form: vertical plate type (butterfly)

Sealing packing: polyperfluoroethylene propylene (F46)



Product Details

Product Structure Features

1. Compact and lightweight, easy to disassemble and maintain, and can be installed at any location.

2. Simple and compact structure, quick opening and closing with 90 degree rotation.

3. Small operating torque, labor-saving and lightweight.

4. Excellent wear reduction, self-lubrication, and operating torque reduction of over 40% compared to ordinary butterfly valves.

5. Non toxic, odorless, and antibacterial meet the requirements of green environmental protection.

6. Resistant to salt, alkali, and weak acid attack, with wide applicability.

7. Pinless connection technology ensures complete isolation of media and metal with high reliability.

8. Applicable media: fresh water, seawater, various gases, oil products, alkali, salt, organic compound, and weak acid.


Main outline connection dimensions

DN L H0 A B PN6 PN10 PN16
D1 Z-Φd D1 Z-Φd D1 Z-Φd
50 43 306 180 200 110 4-14 125 4-18 125 4-18
65 46 321 180 200 130 4-14 145 4-18 145 4-18
80 46 346 180 200 150 4-18 160 8-18 160 8-18
100 52 387 180 200 170 4-18 180 8-18 180 8-18
125 56 411 180 200 200 8-18 210 8-18 210 8-18
150 56 447 270 280 225 8-18 240 8-22 240 8-22
200 60 572 270 280 280 8-18 295 8-22 295 12-22
250 68 646 270 280 335 12-18 350 12-22 355 12-26
300 78 738 380 420 395 12-22 400 12-22 410 12-26
350 78 761 380 420 445 12-22 460 16-22 470 16-26
400 88 877 450 470 495 16-22 515 16-26 525 16-30
450 107 938 480 490 550 16-22 565 20-26 585 20-30
500 127 993 480 490 600 20-22 620 20-26 650 20-33
600 154 1131 480 490 705 20-26 725 20-30 770 20-36


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