Needle and Seat Chokes
Centre to face distance can be manufactured as per customer requirement.
The Body/bonnet of our products contains materials like 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.
At Baihai we create only highly resistant models. Our needle and seat trim choke offers an economy of operation and versatile utility in a traditional design that is familiar to oilfield personnel. But we are very well prepared for any kind of request from any kind of industry, not only from the oilfield.
Product Feature
- Size available from 1 13/16" X 2000 psi to 7 1/16" X 10000 psi.
- Pressure rating: 2000, 3000, 5000, 10000, 15000 psi and ANSI classes up to 4500#
- Bonnet may be hammer union or bolted type
- VS Needle & Seat Choke converted into Positive Choke by replacing choke trim and top work assembly
- Bonnet nut with vent hole for safety during servicing
- Dynamic seal (stem packing) uses spring energized seals
- Micrometer indicator barrel calibrated in 1/64" 'Bean Size'
- In - line body or angle body options available