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Contact SupplierThe Cast Iron Bellow Seal Valve is a durable and cost-effective solution designed for low to medium pressure applications requiring leak-tight stem sealing. Constructed from high-quality cast iron (typically conforming to ASTM A126 or equivalent), this valve is equipped with a flexible metallic bellow seal that eliminates gland packing and ensures zero stem leakage, making it ideal for handling steam, hot water, condensate, and non-corrosive fluids. Its robust body structure provides good mechanical strength and vibration resistance, while the bellow seal design prevents fugitive emissions and extends maintenance intervals. Available in gate or globe configurations, the valve features flanged ends for easy integration into pipeline systems, along with a bolted bonnet and rising stem for reliable shut-off and control. Commonly used in HVAC systems, heating plants, utility services, and industrial process lines, this valve offers a balance of performance, economy, and environmental safety.