lugwafer valve

[freelancer_06]

в м-не нашел только
http://www.multitran.ru/c/m/l1=1&l2=2&s=wafer+valve

9.2.2.4 Butterfly Valves
Rubber seated butterfly valves shall be generally constructed in accordance with AWWA C504. The valves shall also generally conform to the requirements of MSS SP 67. Valves of the wafer or lugwafer type shall be designed for installation between two ANSI flanges. Valves with flanged ends shall be faced and drilled in accordance with ANSI B16.1. The use of butterfly valves shall be in accordance with the pressure temperature ratings specified in AWWA C504 and the pressure-temperature ratings specified by the manufacturer. Butterfly valves shall gen-erally be used for 150 mm and larger cold water service only.

[INkJet]

поворотный дисковый затвор = Butterfly Valves

межфланцевый затвор с (резьбовыми) проушинами = lugwafer type

[freelancer_06]

можно ссылки какие-либо подтверждающие по люгваферу?

[INkJet]

http://www.google.co.uk/search?hl=en&q=поворотный+дисковый+Затвор+межфланцевый+проушины&btnG=Search&meta=

каков наглец(какая наглецца)!:-)
hope this helps