
Durable FT Type Drop-in Check Valve. Blowout Prevention Function: Acts as an inside BOP in the drill string to prevent blowout accidents by controlling back pressure. Simple Structure & Operation: Designed with a simple structure for easy operation, consisting of a landing sub and check valve assembly. OEM & Customization Support: Accepts OEM orders and offers full customization from samples or designs based on client specifications. 1-Year Warranty Coverage: Provides a 12-month warranty with a 48-hour response time for claims requiring serial number and fault description. Quality Assurance Process: Ensures quality through production samples before mass production and final inspections before shipment. Professional Manufacturer: Integrates R&D, production, and export with own production base, specializing in oilfield drilling tools. Anti-Rust Packaging: Products are packaged with anti-rust oil, vacuum sealing, wooden crates, and desiccants for sea shipping. Technical Support Available: Offers free remote training and negotiable on-site support for technical assistance and training.