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Stainless Steel Flanged Triple Eccentric Butterfly Valve
**Flanged Bi-Directional Triple Eccentric Butterfly Valve**
**Basic Information:**
- **Model No.:** D41X
- **Connection Form:** Flange
- **Seal Form:** Supercharging Pressured Sealed
- **Working Pressure:** Mid-Pressure (2.5MPa < Pn < 6.4MPa)
- **Material of Seal Surface:** Metal Hard Sealed
- **Application:** Industrial Use, Water Treatment
- **Class:** 150lb to 600lb
- **Application Fields:** Metallurgy, Light Industry, Power Generation, Petrochemicals
- **Trademark:** NAIBANG
- **Specifications:** API 598, API 6D, ANSI, BS, DIN, JIS
- **HS Code:** 8481804090
**Additional Details:**
- **Driving Mode:** Worm Gear
- **Structure:** Triple Eccentric Sealing
- **Valve Stem:** Standard
- **Working Temperature:** Medium Temperature (120°C < T < 450°C)
- **Valve Body:** Cast Iron / Ductile Iron / WCB / 304 / 316
- **Size:** 1/2" to 40"
- **Certificates:** API 6D, CE, ISO 9001
- **Delivery Time:** 20–45 Days Depending on Quantity
- **Packaging:** Standard Export Wooden Case
- **Origin:** China
**Product Description:**
1. **Design and Manufacturing Standards:**
- Wafer & Lug: API 609, DIN 3354
- Flange & Weld: BS 5155 / EN 598
2. **Inspection and Testing Standards:**
- API 598, DIN 3230, BS 5146
3. **Face-to-Face (F-to-F):**
- Wafer & Lug: API 609, DIN 3202 K2
- Flange: ISO 5752
4. **End Flange Dimensions:**
- ASME B16.5 (for NPS < 24"), ASME B16.47 Series B
- API 605, ASME B16.47 Series A, MSS SP-44 (for NPS > 24")
- BSEN 1092
5. **Top Flange:** ISO 5211
6. **Connections Available:** Wafer, Lug, Flange, Weld
7. **Size Range:** 1½" – 40", DN40 – DN1000
8. **Pressure Rating:** Class 125 – Class 300, PN6 – PN40
9. **Temperature Range:** -20°C – 200°C
10. **Body Material:** Cast Iron, Ductile Iron, WCB, 304, 316
11. **Disc Material:** Ductile Iron, WCB, 304, 316, CF8, CF8M
12. **Stem Material:** 13% Cr, 316, 304, SS17-4PH
13. **Seat Material:** NBR, EPDM, PTFE, R-PTFE, PPL, Stainless Steel
14. **Operation Options:** Lever, Worm Gear, Pneumatic, Electric, Hydraulic or Pneumatic-Hydraulic Actuator
15. **Key Features:** Long service life and zero leakage
16. **Industries Used In:** Water treatment, food and beverage, pharmaceuticals, desalination, steelmaking, chemical industry, pulp and paper processing
**PRODUCTS**
[Image: Stainless Steel Flanged Triple Eccentric Butterfly Valve]
**WORKSHOP**
[Image: Manufacturing Process of the Valve]
**INSPECTION**
[Image: Quality Control and Inspection Process]
We welcome customers from around the world to reach out for more cooperation opportunities. With our extensive technical expertise and years of experience, we are confident in delivering high-quality products that meet your expectations.
Naibang is committed to being a reliable partner for you in China.
**Standard Material List:**
| No. | Part Name | Material |
|-----|---------------|-----------------------------------------------|
| 1 | Bottom Cover | A182 F6, F304, F304L, F316, F316L |
| 2 | Stud | A193 B7, B7M, B8, B8M |
| 3 | Gasket | Graphite |
| 4 | Body | A216 WCB, A352 LCB, A351 CF8, CF8M, CF3, CF3M, Duplex |
| 5 | Stem | A182 F6, F304, F304L, F316, F316L |
| 6 | Board | A182 F6, F304, F304L, F316, F316L |
| 7 | Disc | A216 WCB, A352 LCB, A351 CF8, CF8M, CF3, CF3M, Duplex |
| 8 | Pin | A182 F6, F304, F304L, F316, F316L |
| 9 | Stud | A193 B7, B7M, B8, B8M |
| 10 | Seal Ring | SS304 + Graphite |
| 11 | Bushing | SS304 + PTFE |
| 12 | Packing | Graphite |
| 13 | Yoke Nut | A194 2H, 2HM, 8, 8M |
| 14 | Yoke Stud | A193 B7, B7M, B8, B8M |
| 15 | Yoke | A216 WCB, A352 LCB, A351 CF8, CF8M, CF3, CF3M, Duplex |