全铜加厚4分双外丝 4分转3分双外丝燃气阀门 'All copper thickened 4 min double outer wire 4 min to 3 min double outer wire gas valve'

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Brand: other operating temperature: normal temperature flow direction: one-way connection type: thread shape: ball type material: brass model: 4 minutes to 3 minutes or 4 minutes appearance: medium valve standard: British standard specification: 4 minutes double outer wire copper natural color long handle gas valve, 4 minutes to 3 minutes double outer wire copper natural color long handle gas valve drive mode: steam sealing material: copper pressure environment: atmospheric pressure