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FIRE PROTECTION CHECK VALVE |
UL Listed FM Approved, Horizontal swing, Renewable seat and disc.
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零件 PART
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材質 MATERIAL
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閥體 BODY |
CAST IRON |
閥蓋 BONNET |
CAST IRON |
閥座環 SEAT RING |
CAST BRONZE |
閥盤 DISC |
DUCTILE IRON |
閥座 DISC SEAT |
NBR |
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尺寸
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2
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21/2
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3
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4
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6
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8
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10
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12
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L
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-
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-
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241
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292
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356
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495
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-
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-
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H
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-
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-
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194
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223
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276
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304
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-
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-
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標稱壓力
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試驗壓力(水壓)
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Nominal Pressures:175 PSI |
閥體
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閥座
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25kg f/cm2
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