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主要性能參數 Specification
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型號 Type
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SFA-22C300T
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|
公稱壓力 Nominal pressure
|
5.0MPa
|
|
公稱通徑 Nominal diameter
|
DN8~32(1/4~1'/4)
|
|
強度試驗壓力 Shell test pressure
|
7.5MPa
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|
排放壓力 Relieving pressure
|
≤1.1倍整定壓力
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|
密封壓力 Seal pressure
|
0.9倍整定壓力
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|
密封性 Seal property
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氣壓試驗2分鐘無泄漏、鹵素檢漏實驗泄漏率
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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 Suitable medium
|
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 NO.
|
零件名稱 Part name
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材料 Materials
|
|
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
|
PTFE
|
|
3
|
閥瓣 Disc
|
HPb59-1/H62
|
|
4
|
彈簧 Spring
|
50CrVA
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|
5
|
調整螺母 Adj.nut
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HPb59-1/H62
|
|
6
|
墊片 Gasket
|
T3
|
|
7
|
螺母 Nut
|
HPb59-1/H62
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額定排量（空氣）Lbs/min Relieving capacity (Air)
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規定 Size mm(in)
|
do mm
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整定壓力Psig(Mpa) Set pressure
|
|
200（1.38）
|
250（1.72）
|
300（2.07）
|
350（2.42）
|
400（2.76）
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|
DN8(1/4)
|
6.3
|
9
|
11.5
|
13.5
|
15.5
|
18
|
|
DN10(3/8)
|
7.0
|
12
|
14.5
|
17
|
20
|
22.5
|
|
DN15(1/2)
|
7.8
|
14.5
|
18
|
21.5
|
25
|
28
|
|
DN20(3/4)
|
11
|
29
|
35.5
|
42.5
|
49.5
|
56
|
|
DN25(1)
|
18
|
77.5
|
95.5
|
114
|
132.5
|
150.5
|
|
DN32(1'/4)
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26.5
|
168
|
207
|
247
|
287
|
319.5
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連接尺寸 Connecting dimension
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規格 Size mm(in)
|
in
|
H (mm)
|
|
進口A Inlet A
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出口B outlet B
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|
DN8(1/4)
|
1/4-18MNPT
|
5/8-18UNF
|
80
|
|
DN10(3/8)
|
3/8-18MNPT
|
5/8-18UNF
|
90
|
|
DN15(1/2)
|
1/2-14MNPT
|
7/8-14UNF
|
95
|
|
DN20(3/4)
|
3/4-14MNPT
|
3/4-14FNPT
|
100
|
|
DN25(1)
|
1-11.5MNPT
|
1-11.5FNPT
|
120
|
|
DN32(1'/4)
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1'/4-11.5MNPT
|
1'/2-11.5FNPT
|
175
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