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SFA-22C300T 冷冻安全阀 SFA-22C300T 冷冻安全阀 SFA-22C300T8 联系:13564918234 QQ:1937363454
冷冻安全阀
主要性能参数 Specification
型号 Type |
SFA-22C300T |
公称压力 Nominal pressure |
300Lbs |
公称通径 Nominal diameter |
DN8~32(1/4~1/4) |
强度试验压力 Shell test pressure |
5.2MPa |
排放压力 Relieving pressure |
≤1.1倍整定压力 |
密封压力 Seal pressure |
0.9倍整定压力 |
密封性 Seal property |
气压试验2分钟无泄漏、卤素检漏实验泄漏率 |
适用温度 Suitable temperature |
-40~105°C |
适用介质 Suitable medium |
制冷剂、油、水等 |
主要零件材料 Main parts material
序号 NO. |
零件名称 Part name |
材料 Materials |
1 |
阀体 Body |
HPb59-1/H62 |
2 |
密封圈 Seal |
PTFE |
3 |
阀瓣 Disc |
HPb59-1/H62 |
4 |
弹簧 Spring |
50CrVA |
5 |
调整螺母 Adj.nut |
HPb59-1/H62 |
6 |
垫片 Gasket |
T3 |
7 |
螺母 Nut |
HPb59-1/H62 |
额定排量(空气)Lbs/min Relieving capacity (Air)
规定 Size mm(in) |
do mm |
整定压力Psig(Mpa) Set pressure |
200(1.38) |
250(1.72) |
300(2.07) |
350(2.42) |
400(2.76) |
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) |
26.5 |
168 |
207 |
247 |
287 |
319.5 |
连接尺寸 Connecting dimension
规格 Size mm(in) |
in |
H (mm) |
进口A Inlet A |
出口B outlet B |
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) |
1/4-11.5MNPT |
1/2-11.5FNPT |
175 |
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