BFV1000102 OS Series 4" Lug Butterfly Valve with Lever Han (...)

The Pratt Industrial® OS20408CF8LH is a 4-inch lug-style butterfly valve from the OS Series, engineered for robust performance in various industrial applications. It features a durable ductile iron body and a corrosion-resistant 304 stainless steel (CF8) disc. The valve incorporates a heat-treated 410 stainless steel stem and an EPDM resilient seat, ensuring reliable sealing and longevity. Designed for bi-directional, end-of-line service, it is rated for full vacuum and up to 200 PSI pressure. The lever handle provides straightforward manual operation.

4" ANSI 150 Lug-Style Butterfly Valve featuring a Ductile Iron body, 304 Stainless Steel (CF8) disc, 410 Stainless Steel stem, EPDM seat, and lever handle.

Manufacturer: Mueller Water Products, Inc

Product Features

• Size: 4 inches
• Body Material: Ductile Iron ASTM A-536
• Disc Material: 304 Stainless Steel (CF8)
• Stem Material: Heat-treated 410 Stainless Steel
• Seat Material: EPDM (Ethylene Propylene Diene Monomer)
• Design: Lug-style for ANSI 125/150 flanges
• Pressure Rating: 200 PSI for sizes 1"–12"
• Standards Compliance: API 609 Category A
• Mounting Flange: ISO 5211 compliant
• Shaft Seal: Self-adjusting O-ring between dual upper bushings
• Bushing Configuration: Three upper and one lower RTFE bushings
• Seat Design: Triple tongue-and-groove for secure, stable seating
• Actuation: Manual lever handle

Product Attributes

Availability