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model: sv-b27 / svp-b27 without lever model: sv-b29 / svp-b29 with lever sv-b27/sv-b29 optional pressure: 10.5~20 kgf/cm2 when placing order, please indicate working pressure the disc can be replaced with ptfe for good effect of anti-leakage. （model: svp-b27, svp-b29）
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working fluid :
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sv-b27/sv-b29/svp-b29 non-corrosive gas, air, steam. svp-b27 （without lever） non-corrosive gas, liquid, air, steam, water, oil.
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working temp:
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-45℃～185℃
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working pressure:
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sv-b27 / sv-b29 : 0.3 ~ 10 kgf/cm2 11 ~ 20 kgf/cm2 svp-b27 / svp-b29 （ptfe） 3 ~ 10 kgf/cm2
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thread end:
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bspt （bs21）, npt （ansi b2.1）
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material:
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no./ parts
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w/o lever
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sv-b27 （s3w-a）
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svp-b27
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with lever
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sv-b29 （s3w-lr）
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svp-b29
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type :
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metal to metal
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ptfe
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1
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valve seat
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forge brass
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forge brass
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2
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valve disc
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forge brass
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forge brass
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3
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valve spindle （stem）
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forge brass
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forge brass
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3-1
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valve seal
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-
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ptfe
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4
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valve body
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bronze
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bronze
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5
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spring shoe
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bsbm
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bsbm
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6
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adjusting screw
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bsbm
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bsbm
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7
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stop nut
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bsbm
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bsbm
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8
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cap
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forge brass
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forge brass
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9
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lever （type: b29）
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steel
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steel
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10
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spring
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swosc-v
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swosc-v
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11
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screw washer
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bsbm
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bsbm
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12
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hexagon nut
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bsbm
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bsbm
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13
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stop bolt
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bsbm
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bsbm
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14
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pin
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bsbf
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bsbf
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