Большие поставки профессиональный оптовая продажа frpp двойной шаровой клапан pp союз клапан
For media: Weak acid medium. Pressure environment: Low pressure. Nominal diameter: DN15 (mm). Operating temperature: At room temperature. Standard: GB. Model: Q61F-6 (S / F). Material: Plastic. Connection Type: Welding. Structure type: Fixed ball valve