zhejiang jinlong autocontrol equipment co ltd
manufactures some of the most dependable cast and forged steel
Pressure Balance Lubricated Valves in the industry. Valve Lubricated
Type Plug Valves are available in Short, Regular, and Venturi Pattern.
The different patterns vary as regards end to end dimension and port ar
ea for a given size of valve. Regular Pattern valves have the largest port
area. Short Pattern valves have a reduced port area as a consequence of
their compact face-to-face dimensions which are identical to those for
wedge gate valves. Venturi Pattern valves have a reduced port area and
a flow path approximating a venturi shape to aid pressure recovery. Th
e valve
designs conform to API 599, API 6D, and B16.34. Face-to-face and
end-to-end dimensions conform to ANSI B16.10.