中文字幕视频二区,中国精品少妇HD,久热re这里精品视频在线6,一级特黄录像免费播放中文

    <ul id="pkw8v"></ul>

    <mark id="pkw8v"></mark><div id="pkw8v"></div>
    

    



    

    2020 官網(wǎng)升級(jí)中！現(xiàn)在您訪問官網(wǎng)的瀏覽器設(shè)備分辨率寬度低于1280px
    請(qǐng)使用高分辨率寬度訪問。
    

    




    
			
    
				
			
    
		
    


		
		
    
			
		
    







    
	
    
		
    Handle valve interlock
    
		
		
    
			
    Product Overview
    
			
			
    The scope of application includes converted pressure relief valve, loading and unloading blind valve, sampling equipment, etc. Technical description: ambient temperature: - 40 - + 80 ° C material: stainless steel
    
		
    
		
		
    
			
    Product Description
    
			
			
    Handle valve interlock is locked with 90 degree right angle, are suitable for all right angle operated valve such as ball valve, plug valve, three-way valve and butterfly valve. Install at rotated valve，lock valve in open/close station.Only when both keys are inserted in lock, it could operate valve.
    
One key control full open position, another key control full close position.
    

    
		
    
	
    

    
		

    
	
    
		
    Related Products