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With double sleeve type spherical diffusion welded ball valve
发布时间:2023/12/29
Features:
According to API607 / BS6755 norms, the use of fire in the valve site,
the secondary seal made of non-metallic materials in the ring
decomposition or destruction under high temperature, then the primary
metal seal can quickly close the ball Play a seal. Unique double-stage
sealing seat structure design to ensure the reliability of the valve
seat fire.
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