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PQ-16

Name：PQ-16

Details

 FLANGE END AND SCREW END AIR VALVE
Scope Of Application：
norminal pressure 1.6MPa
shell pressure 2.4MPa
seat pressure 1.76MPa
suitable medium water
temperature ＜ 100°C


1. PQ-16 conforms to JKR20200-0043-99.
2. Flange drilled conforms to BS EN1092.
3. DN25 is joint by screw thread.


size D
  		D1
  		D2
  		B
  		f
  		n-d
40
  		150
  		110
  		84
  		19 3 4-19
50
  		165
  		125
  		99
  		19 3 4-19
65
  		185
  		145
  		118
  		19
  		3
  		4-19
80
  		200
  		160
  		132
  		19 3 8-19
100
  		220
  		180
  		156
  		19 3 8-19
125
  		250
  		210
  		184
  		19 3 8-19
150
  		285
  		240
  		211
  		19 3 8-23
200
  		340
  		295
  		266
  		20 3 12-23
250 405 355 319 22 3 12-28

18 washer steel BS970 43A GB700-88 Q235
17 nut steel BS970 43A GB700-88 Q235
16 small orifice cover ductile iron BS2789 Gr500-7 GB1348 QT500-7
15 screw plug brass BS1400 PCB1 GB1176-87 ZCuZn40Pb2
14 sealed orifice EPDM BS2494 Type W  
13 bolt steel BS970 43A GB700-88 Q235
12 gasket EPDM BS2494 Type W  
11 ball seal large orifice EPDM BS2494 Type W  
10 screw plug brass BS1400 PCB1 GB1176-87 ZCuZn40Pb2
9 float ball plastic ABS ISO 2580 ISO 2580
8 washer steel BS970 43A GB700-88 Q235
7 nut steel BS970 43A GB700-88 Q235
6 dust cap ductile iron BS2789 Gr500-7 GB1348 QT500-7
5 large orifice cover ductile iron BS2789 Gr500-7 GB1348 QT500-7
4 ball seal large orifice EPDM BS2494 Type W  
3 bolt steel BS970 43A GB700-88 Q235
2 float ball plastic ABS ISO 2580 ISO 2580
1 body ductile iron BS2789 Gr500-7 GB1438 QT500-7
NO. Name of part Material British standard Chinese standard
Next：BPQ-16
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