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




    

