Description

Quick Open Basket Strainer, WCB, PN63, DN200

DN200 PN63 WCB Quick Open Basket Strainer for High-Pressure Industrial Piping

Le Quick Open Basket Strainer, WCB, PN63, DN200 is a high-pressure pipeline filtration device designed to remove solid contaminants from process fluids and protect pumps, valves, heat exchangers, flow meters, compressors, and other downstream equipment.

Manufactured with ASTM A216 WCB carbon steel, this PN63 Quick Open Basket Strainer combines high mechanical strength with reliable pressure containment for demanding industrial piping systems. The DN200 configuration provides a large flow passage and high dirt-holding capacity, while the quick-opening cover allows faster access to the basket for inspection, cleaning, and replacement.

Unlike conventional strainers that require multiple bolts to be removed before the filter basket can be accessed, a Quick Open Basket Strainer is designed to reduce maintenance time by incorporating a quick-opening closure system. This makes it particularly useful for process systems where filtration elements require frequent inspection or cleaning.

STV Valves manufactures and supplies WCB Basket Strainers, Quick Opening Basket Strainers, high-pressure pipeline strainers, and customized industrial filtration equipment for oil & gas, petrochemical, chemical, power generation, water treatment, marine, and general industrial applications.

Product Overview

UN Crépine à panier is a mechanical filtration device installed in a pipeline to remove unwanted solid particles from flowing media.

Le Quick Open Basket Strainer uses a removable basket-type filtration element. Process fluid enters the strainer body and passes through the basket. Solid contaminants are captured inside or on the surface of the basket while filtered fluid continues downstream.

The quick-opening cover provides convenient access to the basket, reducing the time required for routine maintenance.

Principales caractéristiques

ASTM A216 WCB carbon steel body
DN200 / 8 Inch nominal size
PN63 pressure rating
Quick-opening cover design
Removable basket
High dirt-holding capacity
Large flow passage
Easy basket inspection and cleaning
Suitable for continuous industrial process systems
Optional differential pressure monitoring
Customized basket mesh and perforation available

Spécifications techniques

Parameter	spécification
Nom du produit	Quick Open Basket Strainer
Product Type	Crépine à panier
Nominal Size	DN200 / 8 Inch
Note de pression	PN63
Body Material	ASTM A216 WCB
Cover Material	ASTM A216 WCB / Compatible Material
Basket Material	SS304
Optional Basket	SS316 / SS316L
Basket Type	Removable Basket
Cover Design	Quick Opening
Terminer la connexion	Flanged
Flange Standard	EN 1092-1 / Project Specification
Flange Facing	RF / Project Specification
Norme de conception	Project Specification
Testing	Hydrostatic / Project Specification
Drain	Optional
Vent	Optional
Differential Pressure Connection	Optional
Suitable Media	Water, Oil, Gas, Hydrocarbons, Chemicals, Process Fluids
Installation	Horizontal / According to Approved Drawing

Note: Final dimensions, pressure-temperature ratings, flange details, basket filtration area, and allowable working pressure should be confirmed against the approved technical specification and applicable standards.

What Is a Quick Open Basket Strainer?

UN Quick Open Basket Strainer is a pipeline filtration device equipped with a basket-shaped filter element and a quick-opening cover.

Its primary function is to remove solid contaminants from process fluids before they reach sensitive downstream equipment.

Typical contaminants include:

The basket captures these contaminants while allowing clean fluid to pass through.

The defining characteristic of this design is the quick-opening closure, which allows operators to access the basket more efficiently than with a conventional bolted cover.

How Does a Quick Open Basket Strainer Work?

The operating principle is straightforward.

1. Fluid Enters the Strainer

Process fluid enters through the inlet connection.

2. Fluid Passes Through the Basket

The fluid flows through the perforated or mesh basket.

3. Solid Particles Are Captured

Particles larger than the filtration opening remain trapped inside the basket.

4. Filtered Fluid Exits

The filtered process fluid leaves the strainer through the outlet.

5. Basket Is Cleaned

As contaminants accumulate, the pressure differential across the strainer increases.

The operator can isolate and depressurize the strainer, open the quick-opening cover, remove the basket, clean it, and reinstall it.

Why Choose a Quick Opening Basket Strainer?

Faster Maintenance

The main advantage is convenient access to the filtration basket.

For applications where the basket must be inspected frequently, reducing cover-opening time can improve maintenance efficiency.

High Dirt-Holding Capacity

Compared with many simple Y strainers, basket strainers can provide a larger filtration element and greater contaminant-holding capacity.

This makes the design particularly suitable for systems with relatively high levels of solid contamination.

DN200 Large Flow Capacity

Le DN200 / 8 Inch Basket Strainer is suitable for large-diameter process pipelines.

Potential applications include:

ASTM A216 WCB Body

The body is manufactured from ASTM A216 WCB, a widely used cast carbon steel material for pressure-containing industrial equipment.

WCB provides:

Good mechanical strength
Good pressure resistance
Broad industrial availability
Cost-effective construction
Good suitability for many oil and gas applications
Compatibility with a wide range of industrial piping systems

For corrosive environments, alternative materials such as CF8M, F316, F316L, Duplex, Super Duplex, Titanium, or nickel alloys can be considered.

PN63 Pressure Rating

PN63 indicates a nominal pressure class of 63 bar under the applicable European pressure-rating system.

However, PN63 should not be interpreted as a universal allowable working pressure of 63 bar at every temperature.

The actual pressure-temperature rating depends on:

For this reason, the final working pressure should always be confirmed from the manufacturer’s approved datasheet.

Basket Design and Filtration Options

The basket is the primary filtration component.

STV Valves can provide different basket configurations depending on the required filtration performance.

Perforated Basket

A perforated plate basket is suitable for removing relatively large particles such as:

Welding debris
Rust
Scale
Sand
Pipe fragments

Wire Mesh Basket

A mesh basket can provide finer filtration where smaller particles need to be removed.

SS304 Basket

A common option for general industrial services.

SS316 Basket

Suitable for applications requiring improved corrosion resistance.

SS316L Basket

Available for more demanding process environments and applications with specific material requirements.

Customized Filtration

Basket opening and mesh size can be customized according to:

Typical Applications

Oil & Gas

Le PN63 WCB Quick Open Basket Strainer can be installed upstream of:

The strainer helps prevent solid contaminants from damaging expensive downstream components.

Petrochemical Plants

Typical applications include:

Chemical Processing

The strainer can be used with compatible:

Process liquids
Solvents
Chemicals
Cooling fluids
Utility fluids

Material compatibility should always be evaluated according to the actual fluid composition and operating conditions.

Traitement de l'eau

Potential applications include:

Industrial water
Cooling water
Process water
Pump protection
Filtration upstream of control equipment

For highly corrosive water or seawater applications, alternative materials should be considered.

Power Generation

Basket strainers may be used to protect:

Pumps
Heat exchangers
Cooling systems
Auxiliary equipment
Process water systems

Quick Open Basket Strainer vs. Y Type Strainer

Both products remove solid contaminants, but they are suited to different operating conditions.

Feature	Quick Open Basket Strainer	Y Type Strainer
Filter Element	Basket	Cylindrical Screen
Dirt-Holding Capacity	High	Moderate
Maintenance	Very Convenient	Convenient
Cover Access	Quick Opening	Bolted / Threaded Depending on Design
Large Flow Applications	Excellent	Good
High Contamination Service	Excellent	Moderate
Installation Footprint	Larger	More Compact
Screen Cleaning	Easy	Easy
Typical Application	Process / High Dirt Loading	General Pipeline Protection

UN Quick Open Basket Strainer is generally preferred when high dirt-holding capacity and frequent basket access are important.

UN Y Type Strainer can be preferable where compact installation and simpler construction are priorities.

Quick Opening Cover Design

The quick-opening cover is one of the most important characteristics of this basket strainer.

Depending on the design, the closure may incorporate:

Quick-opening clamp
Hinged cover
Special locking mechanism
Swing-bolt arrangement
Quick-release closure

The exact closure configuration should be confirmed on the approved technical drawing.

Maintenance Benefits

A quick-opening cover can help reduce:

Inspection time
Basket cleaning time
Downtime
Maintenance labor
Reassembly time

For systems where the strainer is opened frequently, this can provide a significant operational advantage.

Differential Pressure Monitoring

A differential pressure indicator or gauge can be installed across the basket strainer.

The pressure difference between the inlet and outlet provides an indication of basket contamination.

Low Differential Pressure

Usually indicates that the basket is relatively clean and fluid can pass through efficiently.

Increasing Differential Pressure

Normally indicates that contaminants are accumulating on the basket.

Excessive Differential Pressure

May indicate that the basket requires cleaning or replacement.

A differential pressure connection can therefore help operators establish a preventive maintenance schedule.

Installation Guidelines

Correct installation is essential for reliable operation.

Recommended Installation Procedure

Verify the strainer size and PN63 pressure rating.
Check the flow direction marked on the body.
Inspect the basket before installation.
Confirm the flange dimensions and gasket type.
Align the pipeline correctly.
Avoid forcing the flanges into alignment.
Install the appropriate gasket.
Tighten the flange bolts evenly.
Ensure sufficient clearance for quick-cover operation.
Confirm that the basket can be removed without interference.
Slowly pressurize the pipeline.
Check all connections for leakage.
Monitor differential pressure during operation.

The strainer should be adequately supported where required, particularly in large-diameter piping.

Maintenance Procedure

The quick-opening design is intended to simplify basket maintenance.

Step 1 — Monitor Differential Pressure

Monitor the pressure difference across the strainer.

Step 2 — Isolate the Strainer

Close the appropriate upstream and downstream valves.

Step 3 — Depressurize

Completely depressurize and drain the strainer before opening the cover.

Step 4 — Open the Quick Cover

Release the locking mechanism according to the manufacturer’s procedure.

Step 5 — Remove the Basket

Carefully remove the filtration basket.

Step 6 — Clean the Basket

Clean accumulated contaminants using a suitable method.

Step 7 — Inspect the Basket

Check for:

Step 8 — Inspect the Seal

Inspect the cover gasket or sealing element and replace it if necessary.

Step 9 — Reinstall the Basket

Ensure that the basket is correctly positioned.

Step 10 — Close the Cover

Lock the quick-opening closure according to the manufacturer’s approved procedure.

Step 11 — Restart the System

Slowly pressurize the system and check for leakage.

Safety Considerations for Quick-Opening Strainers

A quick-opening cover must never be opened while the strainer is pressurized.

Before opening the cover:

Isolate the equipment
Depressurize the housing
Drain hazardous fluid
Verify zero pressure
Follow the manufacturer’s maintenance procedure
Use appropriate personal protective equipment

For hazardous, toxic, flammable, or high-temperature media, additional site-specific safety procedures are required.

The quick-opening mechanism is designed to improve maintenance access, not to permit opening under pressure.

Quality Control and Testing

STV Valves can perform comprehensive inspection and testing for WCB Basket Strainers.

Typical quality-control procedures include:

For critical projects, additional documentation may include:

Optional Configurations

Le DN200 PN63 Quick Open Basket Strainer can be customized according to project requirements.

Available options include:

Alternative body materials such as CF8M, F316, F316L, Duplex, Super Duplex, Titanium, and nickel alloys can also be considered for special services.

Why Choose STV Valves?

STV Valves is a professional China manufacturer and supplier of industrial valves and pipeline filtration equipment.

Our product range includes:

We support industrial customers in:

STV Valves can provide OEM manufacturing, customized filtration elements, special materials, inspection documentation, and project-specific technical solutions.

Frequently Asked Questions

What is a Quick Open Basket Strainer?

UN Quick Open Basket Strainer is a pipeline filtration device equipped with a removable basket and a quick-opening cover. It removes solid contaminants from process fluids while allowing faster access to the basket for cleaning and maintenance.

What material is the body?

This model uses ASTM A216 WCB carbon steel for the body.

What is the size?

The strainer is DN200, equivalent to approximately 8 pouces nominal pipe size.

What does PN63 mean?

PN63 is a nominal pressure designation of 63 bar under the applicable European pressure-rating system. The actual allowable working pressure depends on material, temperature, design standard, and applicable pressure-temperature ratings.

What are the advantages of a quick-opening basket strainer?

The main advantages are high dirt-holding capacity, convenient basket access, reduced maintenance time, and suitability for process systems requiring frequent filtration-element cleaning.

Can the basket be replaced?

Yes. The basket is removable and can be cleaned or replaced when necessary.

What basket materials are available?

SS304 is a common option. SS316 and SS316L baskets can also be supplied for applications requiring higher corrosion resistance.

Can a differential pressure gauge be installed?

Yes. Differential pressure connections, indicators, or gauges can be provided as optional configurations.

Is the WCB body suitable for corrosive fluids?

WCB is suitable for many general industrial services, but material compatibility must be evaluated for corrosive fluids. Stainless steel or special alloys may be more appropriate for aggressive media.

Can STV Valves customize this basket strainer?

Yes. STV Valves can customize the body material, basket material, mesh size, perforation, quick-opening mechanism, flange standard, drain arrangement, differential pressure connections, coatings, and inspection documentation.

Technical Summary

Le Quick Open Basket Strainer, WCB, PN63, DN200 is a high-pressure industrial filtration solution designed for large-diameter process piping.

Its ASTM A216 WCB carbon steel body, removable basket, PN63 pressure rating, and quick-opening cover provide a practical combination of mechanical strength, high dirt-holding capacity, and convenient maintenance.

Le DN200 Quick Open Basket Strainer is suitable for protecting pumps, valves, heat exchangers, compressors, flow meters, and other downstream equipment in oil & gas, petrochemical, refinery, chemical, power generation, water treatment, and industrial process applications.

For applications where frequent basket cleaning, large flow capacity, and efficient maintenance are important, a Quick Opening Basket Strainer can provide significant operational advantages over conventional bolted basket strainers.

Contact STV Valves for a GA drawing, technical datasheet, basket specification, pressure-temperature data, material certificate, inspection plan, or customized quotation.

Quick Open Basket Strainer,WCB,PN63,DN200