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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
|