HOME > PRODUCTS > ADJUSTABLE & POSITIVE CHOKES
  
JVS manufactures a wide variety of positive chokes & chokes/beans  in various size and configuration for a range of flow rate selection. Bean may be SS 410,Ceramic or Tungsten carbide as per buyer's requirement. In let and out let size and end connection are buyer options.
POSITIVE CHOKE
Pressure ratings; 2000 3000, 5000, 10,000, 15,000 API and ANSI classes up to 4500
2”, 3”, 4”, 5”, 6” and larger sizes
Field conversion kits to adjustable needle and seat, and cage type adjustable chokes
Flanged or Studded Block Body
Nominal Body Size
End Connections

Trim Size
2"
API 2 1/16”, 2 9/16”, 3 1/8”
ANSI Flanges 2”, 3”
1” (64/64”)
25mm
3"
API Flanges 3 1/8”, 4 1/16”
ANSI Flanges 3”, 4”
2” (128/64”)
50mm
Beans available
Stainless Steel
Stellite lined
Ceramic lined
Tungsten Carbide lined
Long and Short style beans
Size
:
 2-1/16" to 3-1/16"
Pressure Class
:
 5000 psi to 10,000 psi
Material of Construction
:
 As per API
Service Condition
:
 General, Sour Services
Adjustable choke is designed to allow the operator the option to select the flow rate. A set screw allows the operator to lock in a flow rate. It may be oil or gas. It has a varying orifice provided by means of Seat. Seat are available with both ¾”to1”maximum orifice diameters. Seat are to be ordered separately and are available in different trim options.
ADJUSTABLE CHOKE
Nominal Body Size
End Connections

Trim Size
2"
API 2 1/16”, 2 9/16”, 3 1/8”
ANSI Flanges 2”, 3”
1” (64/64”)
25mm
3"
API Flanges 3 1/8”, 4 1/16”
ANSI Flanges 3”, 4”
2” (128/64”)
50mm
Trim Options
(1) SS 410
Hardness
RC - 52
(2) Ceramic
Hardness
RC - 72
(3) Tungsten Carbide
Hardness
RC - 78