气动截止阀 HYJ641H-16,HYJ641H-25,HYJ641H-40,HYJ641H-16-DN50,HYJ641H-40-DN125|产品总汇|无锡市昌林自动化科技有限公司手机版

气动截止阀 HYJ641H-16,HYJ641H-25,HYJ641H-40,HYJ641H-16-DN50,HYJ641H-40-DN125

碳钢

GB/T12229

不锈钢

GB/T12230

合金钢

Q/ZB66

标志

GB/T12220