model: sv-b27
bronze safety relief valve (old model: s3w-a)
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 : |
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: |
-45℃～185℃ |
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working pressure: |
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: |
bspt (bs21), npt (ansi b2.1) |
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material: |
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no./ parts |
w/o lever |
sv-b27 (s3w-a) |
svp-b27 |
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with lever |
sv-b29 (s3w-lr) |
svp-b29 |
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type : |
metal to metal |
ptfe |
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1 |
valve seat |
forge brass |
forge brass |
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2 |
valve disc |
forge brass |
forge brass |
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3 |
valve spindle (stem) |
forge brass |
forge brass |
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3-1 |
valve seal |
- |
ptfe |
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4 |
valve body |
bronze |
bronze |
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5 |
spring shoe |
bsbm |
bsbm |
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6 |
adjusting screw |
bsbm |
bsbm |
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7 |
stop nut |
bsbm |
bsbm |
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8 |
cap |
forge brass |
forge brass |
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9 |
lever (type: b29) |
steel |
steel |
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10 |
spring |
swosc-v |
swosc-v |
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11 |
screw washer |
bsbm |
bsbm |
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12 |
hexagon nut |
bsbm |
bsbm |
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13 |
stop bolt |
bsbm |
bsbm |
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14 |
pin |
bsbf |
bsbf |
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this type of safety valve is characterized by regulating of pressure in valve rising【敏感词】blowing-out when actuated andis the smallest【敏感词】lightest valve,【敏感词】also can be used in non-corrosive gases (air, oxygen, nitrogen, etc.) steam【敏感词】liquids, such as water【敏感词】oil. the sizes shown in the chart are subject to change without notice.
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