Pneumatic eccentric valve body by half, eccentric bias ball and seat, stem for the rotary motion in common path self-centering, close process pass, good sealing completely. The valve seat completely out of the sphere and eliminate the seals, wear, overcome traditional ball valve and the spheroid packing surface of nonmetal materials, elastic, by embedding metal block seating metal surface are well protected. Our products are especially suitable for steel, aluminium, fiber, tiny solid particles, pulp, coal ash, liquefied petroleum gas (LPG), etc.

type	Q640 series
link type	flange
DN	DN50～DN600(mm)
Applicable medium	Water, oil, gas and corrosive liquid
Pressure range	1.6～6.4MPa
Applicable temperature	-20℃～232℃～350℃
material	cast steel、Stainless steel