简要说明：KEYSTONE牌的F251 泰科 蝶阀 KEYSTONE产品：估价：3600，规格：F251，产品系列编号：齐全

Stainless steel hygienic butterfly valves.
• F250 for imperial tubing.
• F251 for metric tubing.

• Keystone technology.
• Quarter turn operation.
• Isolation or regulation control.
• Equal percentage characteristics.
• Bi-directional capability.
• Fully machined 316L stainless
steel body.
• Optional end connections.
• One-piece disc and stem
assembly.
• High Cv slim profile disc.
• Integral valve position indicator.
• High grade seat material options.
• Combination dual or multi position
handle assembly.
• High impact reinforced polymer
handle with a stainless steel drive
(full stainless steel option available).
• Integral padlocking as standard on
manual valves.
• Maintenance friendly.
• Site repairable.
• Full range of optional accessories.