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 Click to enlarge image
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 Model Number |
PA12, PA32 |
Features
- Cone type disc secures little pressure drop
- Disc rubber ensures silence and no leakage.
Specification
|
Model
|
PA12
|
PA32
|
|
Nominal Size
|
25mm(1")~100mm(4")
|
125mm(5")~250mm(10")
|
|
Max. permissible
Working Press.
|
16Bar
|
10Bar
|
|
Test.P
|
Body
|
24Bar
|
15Bar
|
|
Disc seat
|
18Bar
|
11Bar
|
|
Connection
|
Wafer type. KS 10K Flange
|
|
Material
|
1. Body |
Forged Brass(100A: Branze)
|
Ductile Cast Iron
|
| 2. Cone Disc |
Stainless Steel
|
| 3. Guide |
Stainless Steel
|
| 4. Spring |
Stainless steel
|
| 5. Disc Rubber |
EPDM, VITON
|
| 6. Valve Seat |
-
|
Bronze Ring
|
| 7. Center Rubber |
NBR(25~80)
|
-
|
| Soft Seal |
EPDM(E)
|
-10°C ~+130°C
|
|
Viton(V)
|
-20°C ~+150°C
|
Dimension
|
Size
mm(inch)
|
D
(mm)
|
Do
(mm)
|
L
(mm)
|
Wt.
(kg)
|
|
25(1)
|
60
|
-
|
22
|
0.35
|
|
32(11/4)
|
72
|
-
|
28
|
0.55
|
|
40(11/2)
|
86
|
-
|
32
|
0.8
|
|
50(2)
|
102
|
-
|
40
|
1.1
|
|
65(21/2)
|
120
|
-
|
46
|
1.6
|
|
80(3)
|
133
|
-
|
50
|
2.3
|
|
100(4)
|
153
|
170
|
60
|
3.8
|
|
125(5)
|
186
|
212
|
90
|
9
|
|
150(6)
|
215
|
247
|
106
|
13.5
|
|
200(8)
|
265
|
295
|
140
|
28.3
|
|
250(10)
|
330
|
355
|
170
|
44
|
.L: Din3202, Sheet 3, Series K4
.Above dimensions are subject to change for improvement |
Opening Press
|
With spring
|
Without
spring
|
|
↑
|
→
|
↓
|
↑
|
|
0.055
|
0.051
|
0.043
|
0.006
|
|
0.052
|
0.048
|
0.041
|
0.005
|
|
0.055
|
0.050
|
0.042
|
0.006
|
|
0.055
|
0.050
|
0.041
|
0.007
|
|
0.056
|
0.050
|
0.040
|
0.008
|
|
0.057
|
0.050
|
0.039
|
0.009
|
|
0.058
|
0.051
|
0.038
|
0.010
|
|
0.060
|
0.051
|
0.035
|
0.012
|
|
0.060
|
0.050
|
0.032
|
0.014
|
|
0.062
|
0.049
|
0.027
|
0.018
|
|
0.064
|
0.050
|
0.025
|
0.019
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Nomination
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