Product standard: CJ/T3005
Nominal pressure: PN0.25-1.0MPa
Nominal diameter: -1400mm DN250
Applicable medium: gas and other combustible gases
Suitable temperature: less than or equal to 120 DEG C
Material: gray cast iron, nodular cast iron
Sealing material: cast iron body
Seal leakage: GB/T 13927 a
Drive mode: manual, electric
The valve gate opening, a ring-shaped groove is closed, can be injected into the oil, to ensure the sealing nut is arranged on the lower end of the sheath, the thread is not coke, closed the gate automatic scraping tar surface function, valve seal is opened, the brake lever does not rise, is the best choice for urban underground gas pipeline valve.