浙江福士达集团有限公司
|
产品名称：截止阀 产品分类：空调配件 产品规格：0.2kg/pcs copper 产品说明： the stop valve we are supplying is characteristic of reasonable design, compact structure and favorable sealing performance. refrigerant: r22 r134a r410a r407c temperature:-30℃- -120℃ air tightness pressure: 2.9mpa 4.15mpa pressure-proof pressure: 4.41mpa 6.22mpa leakage:1*10-6hg.l/sec |