
300psi Butterfly Valve Grooved Type with Supervisory Switch for Fire Protection. UL Listed and FM Approved: Manufactured under strict UL listed and FM approved system standards for fire protection. 18 Months Warranty: Comprehensive 18-month warranty coverage for all product types ensuring quality assurance. Custom Size Design: Accepts custom design requests for valve sizes if the specifications are reasonable. Free Sample Available: Provides free samples upon request for potential customers to evaluate product quality. Direct Factory Sales: Sold directly from the manufacturer without intermediaries or trading companies. Wide Export Capability: Exports directly to the vast majority of countries worldwide with global reach. Multiple Payment Options: Accepts LC, T/T, D/P, PayPal, Western Union, and small-amount payment terms. Fast Lead Time: General lead time is approximately 30 days depending on order quantity.