DIN Standard Cast Steel Triple Offset Butterfly Valve PN16 - PN25
Tengs Valve supplies high-quality DIN Standard Cast Steel Triple Offset Butterfly Valves with flange ends to PN16 and PN25. These valves feature triple eccentric, hard seal, high performance, zero leakage design, available in carbon steel, stainless steel, and duplex steel materials. Sizes range from DN50 to DN2000. Operated by lever, worm gear, or pneumatic actuator. Ideal for water treatment, HVAC, chemical, power generation, and industrial pipeline applications requiring zero leakage and high performance.
Specifications for Cast Steel Flange End Triple Offset Butterfly Valve PN16, PN25
• Design Standard: DIN 3354, GB
• Inspection and Test: API 598 / DIN 3230
• Nominal Pressure: PN16, PN25 (PN1.6 MPa, PN2.5 MPa)
• Nominal Diameter: DN50 to DN2000
• Body Materials: GS-C25 (WCB), 1.4408 (CF8M), 1.4308 (CF8), A216-WCB, A352-LCB, A351-CF8/CF8M
• Disc: Carbon Steel, Stainless Steel
• Stem Material: Stainless Steel
• Actuator: Lever, Worm Gear, Pneumatic Actuator etc.
Triple Offset Butterfly Valve Main Parts and Material List
| Part Name | GS-C25 (WCB) | 1.4308 (CF8 / SS304) | 1.4408 (CF8M / SS316) |
|---|---|---|---|
| Body | GS-C25 / A216 WCB | 1.4308 / A351 CF8 | 1.4408 / A351 CF8M |
| Disc | GS-C25 / WCB | 1.4308 / CF8 | 1.4408 / CF8M |
| Sealing Ring | SS304 / SS316 + Graphite / PTFE / EPDM | SS304 / SS316 + Graphite / PTFE / EPDM | SS316 + Graphite / PTFE / EPDM |
| Stem | 420 / 304 / 316 | 304 / 316 | 316 |
| Bolts/Nuts | A193 B7 / A194 2H | A193 B8 / A194 8 | A193 B8M / A194 8M |
| Packing | Graphite | Graphite | Graphite |
Reference: DIN 3354 / DIN 3230. Materials may vary by model and pressure rating. Contact us for confirmed material certificate.
Flange End Triple Offset Butterfly Valve Dimensions for PN16 - PN25
Reference: DIN 3354. Dimensions may vary by manufacturer. Contact us for confirmed drawing and quotation.
Industrial Butterfly Valve Dimension Details
Related Butterfly Valve Pages
• Butterfly Valve - Butterfly Valve Series Overview
• Industrial Butterfly Valve - API609 Triple Offset Butterfly Valve
• DIN PN10 Flanged Butterfly Valve - Triple Offset
• DIN PN10-PN25 Wafer & Lug Butterfly Valve - Triple Offset
