Chokekleppen
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Afmeting: 2" (2 inch)
Drukclassificatie: 10.000 PSI (conform API 6A)
Operator: Gemotoriseerde actuator
Aansluitingsuiteinde: RTJ-flens (API 6BX)
Configuratie: Hoekpatroon, gebalanceerde kooiafwerkingen
Oppervlakteafwerking: gezandstraald en epoxygecoat
Temperatuurbereik: -29°C tot 425°C
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Samenvatting: Maat: 1″ Classificatie: 10000PSI, 10K Materialen: ASTM A182 A105 behuizing en kap ASTM A182 F105+TCC schijf ASTM A182 F6A spindel TCC overlay behuizing zitting Bediening: handwiel Uiteinden: API 6A, API 6D. -
FOTO'S TONEN SPECIFICATIES ZOALS HIERONDER
MAAT: 3″
BEOORDELING: 10000PSIG
CARROSSERIE EN MOTORKAP: TC YG6
STEKKER: TC YG20
STAM: INCONEL 625
KOOI: INCONEL 625
STOEL: YG 6
AANDRIJVING: ELEKTRISCHE ACTUATOR
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FOTO'S TONEN SPECIFICATIES ZOALS HIERONDER
MAAT: DN100
BEOORDELING: PN100
CARROSSERIE EN MOTORKAP: A216 WCB
STEKKER: 410SS
STAM: 316SS
KOOI: 410SS
STOEL: 410SS
AANDRIJVING: PNEUMATISCHE ACTUATOR
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Kort:
Maat: 1/2″
Beoordeling: 4500LB
Materialen:
ASTM A105 carrosserie en motorkap
ASTM A105 +stellite 6-schijfs
ASTM A182 F6A-stam
Stellite 6 overlay carrosserie zitting
Bediening: handwiel
Eindigt: BW volgens ANSI B16.25
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Nominal Size 2 Inch (DN50)
Pressure Class 1500 LB (PN260)
Body Pattern Angle Type
End Connection Flange Ends, conforming to ASME B16.5
Flow Characteristic Approximate Equal Percentage
Flow Coefficient (Cv) Approx. 15 (Specific to opening, test curve available upon request)
Leakage Class ANSI B16.104 Class IV (Metal Seat) or Class VI (Soft Seat, if applicable)
Operation Manual – Aluminum Alloy Handwheel/Knob
Temperature Range -29°C to +425°C (Dependent on gasket and packing materials)
Applicable Media Suitable for high-pressure differential and erosive media, e.g., high-pressure water, steam, oil-gas mixtures.
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Valve Type Needle / Choke Type Throttling Valve (Globe pattern or Angle pattern)
End Connection Flanged, Raised Face (RF)
Body Manufacturing Process Open Die Forging (Free Forging)
Nominal Size NPS 12 × 10 (DN300 × DN250)
Port Reduction Inlet 12″, Internal seat bore reduced to 10″
Pressure Class Class 600 (ASME B16.5)
Body Material A105 (Carbon Steel)
Service Medium Water / Oil / Gas / Steam (as per process)
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Nominal Size 2 Inch (DN50)
Pressure Class 1500 LB (PN260)
Body Pattern Angle Type
End Connection Flange Ends, conforming to ASME B16.5
Flow Characteristic Approximate Equal Percentage
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1. Product Name API 6A Adjustable Choke Valve
2. Standard API 6A 21st Ed. (or latest)
ISO 10423
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Product Name Adjustable Angle Choke Valve
Valve Type Angle Pattern (Vertical Inlet / Horizontal Outlet)
Nominal Size 4″ (4 1/16″ / 103 mm nominal bore)
Pressure Rating 3000 PSI (21 MPa)
End Connections Flanged (API 6A), Optional: Hub or Welded
Design Standard API Spec 6A / API Spec 16C
A choke valve is a type of control valve specifically designed to regulate the flow and pressure of fluids—especially in high-pressure systems such as oil and gas production. It works by varying the size of the flow passage through a movable component, often a plug or needle, which reduces or increases flow rate accordingly. Unlike standard valves that primarily open or close flow, choke valves are meant for precise throttling, allowing operators to control production rates and manage pressure drops in wellheads and pipelines. They are built to withstand harsh environments, including corrosive and erosive fluids, thanks to durable materials like tungsten carbide or Inconel. Choke valves can be fixed or adjustable: fixed choke valves use a static orifice size, while adjustable versions allow dynamic control via manual or automated actuation. In many systems, they serve as the first line of control, reducing pressure from reservoir levels to downstream equipment tolerances. Their reliability and accuracy make them essential in high-pressure oilfield operations, ensuring safe, stable, and efficient fluid handling over long periods.
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