(pr-3af) cast iron pressure reducing valve class 10k
* please name the model no. when negotiation.
* end flange acc. to jis 10k, ansi 150 lbs,【敏感词】din pn16.
* working temperature: 180℃
* max. temperature: 220℃
* test pressure: body 20kgf/cm2 (hydrostatic)
* primary pressure: 1kgf/cm2 – 10kgf/cm2 (pr-3af)
material:
model:
pr-3af
pr-304f
body val top cap
iron
sus 304
bottom cover
lower gasket
asbestos
diaphragm disc
ais-301
seat
bc3
cf8
spring
sup-6
spring seat
piston/cylinder
packing
ptfe
screen
ss304
adjust scr. nut
brass
bolt
ss41
dimension
mm
size
inch
1/2
3/4
1
1.1/4
1.1/2
2
2.1/2
3
4
5
6
15
20
25
32
40
50
65
80
100
125
150
l
155
165
195
225
250
290
330
410
h1
74
99
116
135
153
h2
260
280
310
322
325
370
540
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