Manual discharge valve performance and purpose
The valve is easy to operate, open the freedom, flexible and reliable movement; valve assembly and maintenance simple, reasonable sealing structure, sealing ring replacement convenient and practical. 
 
Manual discharge valve structure and principle:
The valve is mainly composed of 1. Valve body, 2. Valve flap, 3. Seal, 4. Stem, 5. Bracket, 6. Valve gland, 7. Hand wheel, 8. Law Blue, 9. Nut, 10. Set screws and other components, handwheel clockwise, the valve closed, the stem moves upward, the valve is on the exhibition, the handwheel clockwise, the valve closed, the valve stem down, the valve For the exhibition valve
 

Manual discharge valve main parts material

 Upper discharge valve connection size  

 Unfolded discharge valve connection size