Description
Buy Butterfly Valve D341F PN1.0/1.6 WCB Flanged Manual/Pneumatic Operated
The D341F Flanged Butterfly Valve offered by VALVEHU is a high-performance solution engineered for industrial flow control applications requiring tight shutoff, resistance to corrosion, and reliable operation. This valve design incorporates a centerline butterfly disc with PTFE-lined interior surfaces, ensuring excellent chemical resistance and long service life in aggressive media. Available in pressure classes PN1.0 and PN1.6 MPa, this valve supports various working conditions across chemical processing, water treatment, and general fluid handling systems.
The valve body is available in multiple materials including WCB, CF8, and CF8M, making it suitable for a wide range of applications. The seat and disc lining options such as F4, PFA, and PTFE enhance its sealing performance and media compatibility. The connection type is flanged according to standards GB/T 12221 and ASME B16.5, allowing for simple integration into pipeline systems.
This butterfly valve comes with versatile actuation options such as manual handwheel, pneumatic actuator, or electric operation, offering adaptability for both remote and local control. With full bore design and precise face-to-face dimensions, the D341F ensures optimized flow capacity with minimal pressure loss.
The VALVEHU D341F series is built in accordance with GB/T 12238 and API 609 standards, ensuring top-level manufacturing and inspection quality. This makes it a reliable choice for engineers and maintenance professionals who demand consistency and safety in corrosive or high-purity environments.
For support selecting the best configuration or to source this valve from China, contact the specialists at VALVEHU. Our experienced team is ready to assist in your valve sourcing needs with expert recommendations and competitive pricing.
Technical Specifications
Model: D341F Butterfly Valve
Pressure Rating: PN1.0 / PN1.6 MPa
Body Material: WCB, CF8, CF8M
Lining Material: PTFE, F4, PFA
Disc Type: Centerline concentric
Connection: Flanged (GB/T 12221, ASME B16.5)
Operation Method: Manual, Pneumatic, Electric
Design Standard: GB/T 12238, API 609
Test Standard: GB/T 13927 / API 598
Applicable Media: Corrosive fluids, chemicals, water
Main Component Materials (Valve Construction)
| No. | Component Name | Cast Iron (Z) | Carbon Steel (C) | Stainless Steel (P) | Stainless Steel (R) |
|---|---|---|---|---|---|
| 1 | Valve Body & Bonnet | HT250 | WCB | CF8 | CF8M |
| 3 | Seat / Lining Layer | F4, PFA, F46 | F4, PFA, F46 | F4, PFA, F46 | F4, PFA, F46 |
| 4 | Disc & Stem | WCB | WCB | CF8 | CF8M |
| 5 | Gland Flange | WCB | WCB | CF8 | CF8M |
| 6 | Packing | PTFE | PTFE | PTFE | PTFE |
Applicable Standards for Valve Design and Manufacturing
| Item | Standard Reference |
|---|---|
| Design & Manufacturing | GB/T 12238 (Centerline Type) / API 609 |
| Face-to-Face Dimension | GB/T 12221 (Short/Long Series) / API 609 |
| Flange Dimensions | HG/T 20592 / ASME B16.5 |
| Pressure Testing | GB/T 13927 / API 598 |
| Marking | GB/T 12220 |
| Supply Standard | JB/T 7928 |
Main Connection Dimensions (1.0 / 1.6 MPa Rated Pressure) (Unit: mm)
| DN | L | D | D1 | D2 | b | Z – Φd | H1 | D0 |
|---|---|---|---|---|---|---|---|---|
| 40 | 106 | 145 | 110 | 85 | 16/18 | 4-Φ18 | 140 | 160 |
| 50 | 108 | 160 | 125 | 100 | 20 | 4-Φ18 | 160 | 200 |
| 65 | 112 | 180 | 145 | 120 | 20 | 4-Φ18 / 8-Φ18 | 165 | 250 |
| 80 | 114 | 195 | 160 | 135 | 20 | 8-Φ18 | 170 | 250 |
| 100 | 127 | 215 | 180 | 155 | 22 | 8-Φ18 | 180 | 300 |
| 125 | 140 | 245 | 210 | 185 | 22 | 8-Φ18 | 275 | 300 |
| 150 | 140 | 280 | 240 | 210 | 24 | 8-Φ23 | 295 | 200 |
| 200 | 152 | 335 | 295 | 265 | 24 | 8-Φ23 / 12-Φ23 | 320 | 200 |
| 250 | 250 | 390 / 405 | 350 / 355 | 320 | 26 | 12-Φ23 / 12-Φ25 | 385 | 240 |
| 300 | 270 | 440 / 480 | 400 / 410 | 368 / 375 | 26 / 28 | 12-Φ23 / 12-Φ25 | 390 | 240 |
| 350 | 290 | 500 / 520 | 460 / 470 | 428 / 435 | 26 / 30 | 16-Φ23 / 16-Φ25 | 460 | 240 |
| 400 | 310 | 565 / 580 | 515 / 525 | 482 / 485 | 26 / 32 | 16-Φ25 / 16-Φ30 | 510 | 280 |
| 450 | 330 | 615 / 640 | 565 / 585 | 532 / 545 | 28 / 40 | 20-Φ25 / 20-Φ30 | 540 | 280 |
| 500 | 350 | 670 / 705 | 620 / 650 | 585 / 608 | 28 / 44 | 20-Φ25 / 20-Φ34 | 570 | 320 |
| 600 | 390 | 780 / 840 | 725 / 770 | 685 / 718 | 34 / 44 | 20-Φ30 / 20-Φ36 | 660 | 320 |
FAQ
What is the pressure class of the D341F butterfly valve?
It is available in both PN1.0 MPa and PN1.6 MPa pressure ratings.
Can the valve be used with aggressive chemicals?
Yes, the PTFE or PFA lining offers excellent corrosion resistance for chemical media.
Which standards does the valve comply with?
It meets GB/T 12238 for design and API 598 for pressure testing.
What are the actuation options available?
The valve supports manual operation, pneumatic actuators, or electric control setups.
What industries commonly use this valve?
It is widely used in chemical plants, water treatment, and fluid control in corrosive environments.
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