Re: How to make hydraulic valve?
			 
			 
			
		
		
		
			
			JW : steel or iron next to brass would be the best choice for your manifold . Aluminum does not wear well .  
 
 
Madda : O-rings work well for the seals as you should only have to seal the shaft of the rotor and the rotor cap . between the rotor and the valve block , you should have a lapped fit .
		 
		
		
		
		
		
		
			
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				RIP FreddyGearDrive 2-12-59/12-19-11 
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