DelVal Butterfly Valves Series 40/41
- Wafer (Series 40) and Lug (Series 41) body styles
- Available in sizes from 2″ to 24″ (DN 50–600)
- PTFE-lined EPDM seat for enhanced chemical and temperature resistance
- Center-Lok® seat retention system for long-term sealing reliability
- ISO 5211 actuator mounting pad – ready for pneumatic/electric actuation
- Ideal for applications: water treatment, chemical processing, fire protection, HVAC, marine, etc.
| Parameter | Details |
|---|---|
| Brand | DelVal Flow Controls |
| Product Series | DelVal 40 (Wafer) / 41 (Lug) |
| Size Range | 2″ to 24″ (DN 50–600) |
| Body Material | Cast iron, ductile iron, carbon steel, stainless steel |
| Disc Options | SS316, Duplex stainless steel |
| Seat Type | PTFE-lined EPDM |
| Operating Pressure | Up to 150 PSIG (PN10) |
| Temperature Range | Up to 200°C (depending on seat material) |
| Mounting Standard | ISO 5211 |
| Seat Retention System | Center-Lok® |
| Coating | Fusion bonded epoxy (optional PTFE or nylon) |
| Design Standards | API 609, EN 593 |
| Testing Standards | API 598, EN 12266-1 |
The DelVal Butterfly Valves Series 40/41 are engineered for superior shut-off and flow control across a wide range of industrial applications. With the Series 40 (wafer) and Series 41 (lug) configurations, these valves provide reliable sealing and operational flexibility.
Their PTFE-lined EPDM seat ensures chemical resistance and extended service life, making them ideal for water treatment, chemical plants, HVAC systems, fire safety, and marine applications. The Center-Lok® seat retention system prevents displacement and enhances sealing integrity, even in demanding conditions.
Thanks to the ISO 5211 actuator mounting pad, the Series 40/41 valves are actuator-ready and suitable for automation. Available in multiple materials and coatings, they offer versatility across industries.
SK Tech is the official distributor of DelVal Flow Controls in Vietnam, committed to delivering genuine butterfly valve solutions with expert technical support, local stock, and fast delivery.