Vatac
Choke Valves are available in styles of positive, adjustable, needle &
orifice, pressures up to 15,000 PSI. Vatac Choke Valves are designed and
manufactured in accordance with the Most updated international standards, can be supplied in any of material classes suitable for temperature
classification P thru U as standard, or K, L, or X to order. End connections
are flanged and Union as standard. However, other connections are available,
such as Line-pipe threaded and Hub ends can also be supplied on request.
Positive Choke Valve
» Size available from 1" to 7 1/16".
» Pressure rating ranges from 2000, 3000, 5000, 10000, 15000 psi and ANSI classes up to 4500#.
» Body/bonnet materials in carbon steel, low alloy steel, stainless steel, duplex stainless steel, nickel alloy and low alloy steel with 3mm finish nickel alloy cladded on wetted areas to suit different service conditions.
»
Choke bean and choke bean adopter will be provided as per customer requirement.
Bean
size
The
orifice size is in 1/64" diametrical increments. 1/64" to
128/64" bean size is a routine application. However Vatac manufacture
choke bean up to 100mm (250/64") for customized application.
Choke
beans
» Stainless steel- hardened
» Stellite lined for bigger flow passage from 64/64" onwards
» Solid nickel alloy bean for high H2S service
»
Tungsten carbide lined having AISI 410 / 718 / 31803 steel carrier
The
Vatac positive choke accept a replaceable fixed orifice flow bean (supplied
separately) that is measured in 64ths of an inch. Adjustable chokes can be
converted to positive chokes and vice versa by replacing the bonnet assembly
and the seat or bean.
The Vatac
Choke Valves are available, but not limited to
» Positive Choke Valve » Adjustable Choke Valve » Barrel Choke Valves » Needle Choke Valve » Orifice Choke Valve