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主要性能參數(shù) Specification
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型號(hào) Type
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SFA-22C300T
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公稱壓力 Nominal pressure
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5.0MPa
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公稱通徑 Nominal diameter
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DN8~32(1/4~1'/4)
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|
強(qiáng)度試驗(yàn)壓力 Shell test pressure
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7.5MPa
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排放壓力 Relieving pressure
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≤1.1倍整定壓力
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密封壓力 Seal pressure
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0.9倍整定壓力
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密封性 Seal property
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氣壓試驗(yàn)2分鐘無泄漏、鹵素檢漏實(shí)驗(yàn)泄漏率
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適用溫度 Suitable temperature
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-40~105°C
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適用介質(zhì) Suitable medium
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制冷劑、油、水等
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主要零件材料 Main parts material
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序號(hào) NO.
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零件名稱 Part name
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材料 Materials
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1
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閥體 Body
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HPb59-1/H62
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|
2
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密封圈 Seal
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PTFE
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|
3
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閥瓣 Disc
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HPb59-1/H62
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4
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彈簧 Spring
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50CrVA
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5
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調(diào)整螺母 Adj.nut
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HPb59-1/H62
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6
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墊片 Gasket
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T3
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|
7
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螺母 Nut
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HPb59-1/H62
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額定排量（空氣）Lbs/min Relieving capacity (Air)
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規(guī)定 Size mm(in)
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do mm
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整定壓力Psig(Mpa) Set pressure
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|
200（1.38）
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250（1.72）
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300（2.07）
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350（2.42）
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400（2.76）
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DN8(1/4)
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6.3
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9
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11.5
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13.5
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15.5
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18
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DN10(3/8)
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7.0
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12
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14.5
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17
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20
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22.5
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DN15(1/2)
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7.8
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14.5
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18
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21.5
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25
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28
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DN20(3/4)
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11
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29
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35.5
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42.5
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49.5
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56
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DN25(1)
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18
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77.5
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95.5
|
114
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132.5
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150.5
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DN32(1'/4)
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26.5
|
168
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207
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247
|
287
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319.5
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連接尺寸 Connecting dimension
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規(guī)格 Size mm(in)
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in
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H (mm)
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進(jìn)口A Inlet A
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出口B outlet B
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DN8(1/4)
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1/4-18MNPT
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5/8-18UNF
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80
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DN10(3/8)
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3/8-18MNPT
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5/8-18UNF
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90
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DN15(1/2)
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1/2-14MNPT
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7/8-14UNF
|
95
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DN20(3/4)
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3/4-14MNPT
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3/4-14FNPT
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100
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DN25(1)
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1-11.5MNPT
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1-11.5FNPT
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120
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DN32(1'/4)
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1'/4-11.5MNPT
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1'/2-11.5FNPT
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175
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