产品详情
冷冻安全阀SFA-22C300T
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 |
