031063C-NS255

"SAFETY VALVE\厂家标准DN25X DN50-PN10连接面JIS B2220-2004 FF Body:CAST STEELDisc:SS304 Stem: SS304 Seat:SS304 SetPressure26.9BAR BV产品证书+型式认可" NAKAKITA SEISAKUSHO CO.NS255.NA

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"SAFETY VALVE\厂家标准DN25X DN50-PN10连

接面JIS B2220-2004 FF Body:CAST STEEL

Disc:SS304 Stem: SS304 Seat:SS304 Set

Pressure26.9BAR BV产品证书+型式认可

" NAKAKITA SEISAKUSHO CO.NS255.NA