The  control  valve is the control core component of the sandblasting machine. It is durable and wear-resistant, and improves the service life of the sand valve. Improved processing quality reduces wear and tear of Compressed air and abrasives. Widely used in shipbuilding, ship repair, petroleum, chemical and other industries. Sandblast Remote Control Valve size:1' 1/4'' Sand blast remote control valve to control the flow the air