Brand: Longying Model: WJ-D09 Appearance: Medium valve Standard: British standard Specification: Components and accessories of the valve with external teeth on the base: Nominal diameter of fittings: DN15 Working temperature: -10-110 Flow direction: One-way connection type: Thread shape: Butterfly type material: All copper drive mode: Whether the steam is exported across the border for exclusive supply of goods: No Sealing material: PTFE Pressure environment: Low pressure Applicable medium: Urban civil gas diameter: DN15