Reduce bore stainless steel ball valve

MODEL：SQ647F、SQ947Y、SQ47Y...
CALIBER：NPS2%~NPS36、DN65~DN900
PRESSURE：Class150~ Class2500、PN20~PN420
MATERIAL QUALITY：Stainless Steel, Alloy Steel, Dual Phase Steel
DRIVE：Manual, Worm Gear And Worm Drive, Electric, Pneumatic
APPLICATION：Petroleum, Chemical, Natural Gas, Petrochemical, Coal Chemical And Other Industries
HONOR：Zhejiang Famous Brand Products, Zhejiang Export Famous Brand, High-Tech Products, National Patent Products...