WAF-E Safety valve is used in the concentrical oil lubrication system, to prevent the system pressure over the pressure adjusted. Applied media oil viscidity is 22～460mm2/s.
Appearance and dimensions：
|
type |
DN mm |
working pressure MPa |
d | H | H1 | A | flange size | D3 |
weight kg |
||||
| D | D1 | D2 | B | n | |||||||||
|
WAF-E20/0.5 WAF-E20/0.8 |
20 |
0.2～0.5 0.4～0.8 |
G3/4 | 140 | 56 | 35.5 | - | - | - | - | - | 45 | 1.2 |
|
WAF-E25/0.5 WAF-E25/0.8 |
25 |
0.2～0.5 0.4～0.8 |
G1 | 165 | 70 | 40 | - | - | - | - | - | 50 | 1.6 |
|
WAF-E32/0.5 WAF-E32/0.8 |
32 |
0.2～0.5 0.4～0.8 |
G11/4 | 194 | 88 | 48 | - | - | - | - | - | 60 | 2.8 |
|
WAF-E40/0.5 WAF-E40/0.8 |
40 |
0.2～0.5 0.4～0.8 |
G11/4 | 194 | 88 | 52 | - | - | - | - | - | 60 | 2.8 |
|
WAF-E50/0.5 WAF-E80/0.5 WAF-E100/05 |
50 80 100 |
0.2～0.8 | - |
420 485 540 |
110 125 155 |
110 125 135 |
165 200 220 |
125 160 180 |
100 135 155 |
18 18 18 |
4 8 8 |
- |
15 23 31 |
Note：Connecting size of back port flange is according < steeliness flange by flat weld of convexity panel >(PN=1MPa)
JB/T 81-1994.
Emample of order：A safety valve its nominal pressure is 0.8MPa,DN is 40, working pressure 0.2～0.5:
WAF-E40/0.5 safety valve JB/ZQ 4594-1997
