Delta T Resilient Seated (250 PSI)

PRODUCT DESCRIPTION

The Delta T 250/251 Series represents premium resilient-seated butterfly valves engineered for demanding high-pressure applications. Available in wafer (250 Series) and lug (251 Series) body styles, these robust valves are constructed with ductile iron bodies and range from 2" to 24" in size, providing reliable 250 PSI bi-directional service across diverse industrial applications.

Built to exacting standards, these valves feature an ISO 5211 square drive shaft for seamless automation integration and conform to MSS-SP-67, MSS-SP-25, and API 609 specifications. The permanent integral seat design and blowout-proof service ensure maximum safety and longevity, while compatibility with ANSI class 125/150 flanges enables versatile installation options.

FEATURES AND BENEFITS

• Industry-leading 3-year limited warranty
• Bi-directional shutoff and dead-end service capability at 250 PSI (lug style)
• Permanent integral seat design for enhanced durability
• Blowout-proof stem design for operational safety
• ISO 5211 mounting pattern for easy automation
• Compatible with ANSI class 125/150 flanges
• Wafer style also fits PN10/PN16 flanges
• Vacuum service capability (consult factory)
• Stainless steel 17-4 PH stem construction
• PTFE bushings for smooth operation

APPLICATIONS

• Data Centers
• Chemical processing
• Water treatment
• Industrial processing
• HVAC systems
• Oil and gas
• Power generation
• General industrial services

PERFORMANCE

• Size range: 2" to 24"
• Pressure rating: 250 PSI
• Temperature range: -20°F to 250°F
• Body material: Ductile Iron ASTM A536
• Disc options: Stainless Steel ASTM A351 CF8M or Nylon 11 Coated
• Seat materials: EPDM or BUNA