Cemented Tungsten Carbide Valve Cage - Precision Flow Cage for Choke & Control Valves, API 6A Compatible

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Cemented Tungsten Carbide Valve Cage - Precision Flow Cage for Choke & Control Valves, API 6A Compatible

Price 50.0 USD ($)/ Unit

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MOQ : 2 Units

Cemented Tungsten Carbide Valve Cage - Precision Flow Cage for Choke & Control Valves, API 6A Compatible Specification

Material
Tungsten Carbide

Coating
Uncoated

Hardness
HRA87.5-92.5

Usage
severe-service control valves, choke valves, and wellhead flow-control equipment

Features
High wear resistance and impact resistance

Product Type
various

Diameter
20 mm 150 mm (customizable) Millimeter (mm)

Color
Shining

Length
customizable Millimeter (mm)

Cemented Tungsten Carbide Valve Cage - Precision Flow Cage for Choke & Control Valves, API 6A Compatible Trade Information

Minimum Order Quantity
2 Units

FOB Port
Shanghai, Shenzhen, Beijing

Payment Terms
Cash Against Delivery (CAD), Cash on Delivery (COD), Cash in Advance (CID), Days after Acceptance (DA), Telegraphic Transfer (T/T)

Supply Ability
300 Units units Per Day

Delivery Time
25 Days

Sample Available
Yes

Sample Policy
Free samples available with shipping and taxes paid by the buyer

Main Export Market(s)
Eastern Europe, Western Europe, Middle East, North America

Certifications
ISO 9001:2015

About Cemented Tungsten Carbide Valve Cage - Precision Flow Cage for Choke & Control Valves, API 6A Compatible

Product Overview

Our Cemented Tungsten Carbide Valve Cage is a precision-engineered valve trim component designed for severe-service control valves, choke valves, and wellhead flow-control equipment in the oil and gas industry. Also referred to as a flow cage, trim cage, or cage-type valve trim, this component is a functional trim elementnot merely a sleeve.

Our tungsten carbide valve cages are manufactured from premium cemented tungsten carbide, delivering exceptional resistance to erosion, abrasion, and corrosionmaking them ideal for the most demanding oilfield applications where ordinary metallic trim would wear too quickly.

Key Features

1) Cemented tungsten carbide construction - Ultra-high hardness (HRA 88.592.5) for exceptional erosion and wear resistance.

2) Precision-engineered port geometry - Drilled holes, slots, or staged passages for accurate flow control and pressure drop management

3) Superior erosion resistance Withstands - sand-laden fluids, high-velocity flow, and abrasive solids

4) Excellent corrosion resistance - Suitable for HS, CO, and corrosive media environments

5) Dimensional stability at throttling surface - Maintains port geometry and critical internal diameters under severe service.

6) High temperature capability - Stable performance up to 500C.

7) Custom port configurations - Hole/slot dimensions, arrangement patterns, and geometric shapes tailored to customer specifications

8) 100% interchangeable - Compatible with major OEM valve designs

Material Specifications Cemented Tungsten Carbide

We manufacture our valve cages using premium cemented tungsten carbide (tungsten carbide) , with grades tailored to specific service conditions:

Grade	ISO Gade	Density (g/cm3)	Hardness (HRA)	TRS (KSI)
YG6	K20	14.9-15.1	90-91	335
YG8	K30	14.7-14.9	89-90	350
YG9	K30	14.6-14.8	88.5-89.5	375
YG11	K40	14.3-14.5	87.5-88.5	410
YL10.2	K30	14.4-14.6	91.5-92.5	520

Recommendation YG6/YG8 for general severe-service applications; YG9/YG11 for high-erosion, high-impact conditions; YL10.2 for demanding HPHT and extreme erosion applications.

Technical Specifications

Parameter	Specification
Type	Cemented Tungsten Carbide Valve Cage / Flow Cage / Trim Cage
Compatibility	Choke Valves, Control Valves, Wellhead Equipment, Globe Valves-16
Material	Cemented Tungsten Carbide (Tungsten Carbide) YG6/YG8/YG9/YG11/YL10.2
Hardness	87.5 92.5 HRA
Outer Diameter Range	20 mm 150 mm (customizable)
Port Configuration	Axial / Radial / Multistage / Spiral / Custom
Max Pressure	Up to 15,000 psi
Temperature Range	Up to 500C
Surface Finish	Precision-ground, polished
HS Code	84819090

What Does a Valve Cage Do?

In a cage-guided or plug-and-cage valve design, the cage is a functional trim component that performs several critical roles:

Function	What It Does	Why It Matters
Plug Guidance	Guides the plug to keep movement stable and reduce side loading	Supports stable operation and reduces uneven contact
Flow Throttling	Controls flow through drilled holes, slots, windows, or staged passages	Maintains valve controllability and flow capacity
Pressure Drop Management	Distributes pressure reduction through cage geometry	Helps reduce localized velocity, noise, cavitation risk, and trim damage
Wear Localization	Places severe wear on a replaceable trim component instead of the valve body	Protects expensive pressure-containing parts
Port Geometry Retention	Maintains critical flow openings under abrasive and erosive service	Reduces Cv drift, unstable control, and premature replacement

Applications

Our cemented tungsten carbide valve cages are designed for use across a wide range of oil and gas operations:

Choke Valves in Oil & Gas Regulating high-pressure production flow while resisting erosion from sand-laden fluids

Severe-Service Control Valves Maintaining controllability and port geometry under high differential pressure and aggressive flow conditions

Wellhead and Flow-Control Equipment Providing durable flow restriction and wear resistance in harsh process streams

Drilling Mud Lines Withstanding abrasive drilling fluids and solids

Fracking Systems Reliable performance in high-pressure injection and fracturing operations

Offshore Rigs and Subsea Applications Corrosion and erosion resistance in marine environments

Petrochemical Pipelines Durable flow control in high-erosion process systems

Slurry Valves and Mining Resisting abrasive slurry flow

Why Choose Our Cemented Tungsten Carbide Valve Cage?

Superior Erosion Resistance

Manufactured from premium cemented tungsten carbide with hardness up to 92.5 HRA, our valve cages deliver exceptional resistance to erosion from sand-laden fluids, high-velocity flow, and abrasive solids. In severe-service applications, cemented carbide resists erosion 10 to 30 times longer than 17-4PH or Inconel 718 trim.

Dimensional Stability Under Severe Service

Unlike softer trim materials, cemented tungsten carbide maintains port geometry, drilled holes, slots, and throttling features under erosive servicereducing Cv drift and ensuring stable flow control over extended service life.

Custom Port Configurations

Most tungsten carbide valve cages are not standard catalog itemsthey are engineered trim components built around a specific valve body, plug profile, and service condition. We offer custom hole/slot dimensions, arrangement patterns, and geometric shapes tailored to your specifications.

Multi-Stage Pressure Drop Design

Our valve cages can be engineered with multi-stage geometries that reduce peak flow velocity by 40 to 60% per stage compared to single-stage designs, directly lowering erosive wear rates and suppressing cavitation in liquid-dominated streams.

Precision Engineering for OEM Fit

Each valve cage is precision-machined to exacting tolerances, with critical mating surfaces, holes, ports, and sealing/support structures fine-machined according to customer drawings-1. The optimal fit tolerance between carbide cage OD and valve body bore is maintained at 0.08 to 0.15 mm clearance.

100% Interchangeable with OEM Designs

Our valve cages are 100% interchangeable with major OEM choke valve and control valve designs, ensuring seamless compatibility with existing equipment.

ISO 9001:2015 Certified

Our factory operates under a certified quality management system. Full material traceability available upon request.

Quality Assurance

1. ISO 9001:2015 Certified - Certified quality management system

2. 2. Material Certificate available upon request, full material traceability

3. Dimensional Inspection-Precision measurement of all critical dimensions

4. Hardness Testing - Verification per grade specification

5. Surface Finish Inspection - Quality control of finished surfaces

6. Port Geometry Verification - Inspection of hole/slot dimensions and arrangement patterns

Ordering Information

Please specify the following for an accurate quotation:

Material Grade: YG6 / YG8 / YG9 / YG11 / YL10.2

Outer Diameter (OD): Specify (provide drawings or specifications)

Inner Diameter (ID): Specify (provide drawings or specifications)

Overall Length: Specify (provide drawings or specifications)

Port Configuration: Hole size, slot dimensions, arrangement patterns (provide drawings)

Surface Finish: Polished (Standard) / Precision-ground

Quantity & Destination Port

Need help selecting the right grade or port configuration? Contact our team for recommendations based on your specific service conditions.

Packaging & Shipping

Packaging: Standard export carton / wooden case (customized packaging available upon request)

Shipping: Worldwide delivery by express courier (DHL/FedEx/UPS), by air or by sea.

Incoterms: EXW, FOB, CIF flexible terms available

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