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FLE-Q-3PS · Maintainable 3-Piece Electric Ball Valve

3-Piece Motorized Ball Valve

The FLE-Q-3PS 3-piece motorized ball valve combines a serviceable stainless-steel three-piece body with electric quarter-turn actuation for automated shutoff and process isolation. Its center body can be accessed more easily for seat, seal and internal maintenance, making it especially suitable for equipment, utility and process lines where long-term serviceability matters.

3-Piece Serviceable BodyDN08–DN100SS304 / SS316On/Off or Regulating
Size
DN08–DN100
Pressão
10 / 16 bar
Temperatura
−40°C to 180°C
Conexão
Threaded
FLE-Q-3PS 3-piece motorized ball valve with electric actuator
Core valueAutomated isolation with easier access to internal valve components for long-term maintenance.
3-PieceService-friendly valve construction
2-WayAutomatic shutoff and isolation
ElectricRemote PLC / DCS-ready actuation
Why three-piece construction

Designed for systems where maintenance access matters

The defining advantage of a 3-piece electric ball valve is not simply the number of body sections—it is the ability to separate the center valve body from the end connections for easier internal service.

Compared with a compact one-piece or conventional two-piece valve, the FLE-Q-3PS gives maintenance teams better access to seats, seals, ball and stem components. This is valuable on packaged skids, utility lines and process equipment where valve replacement would otherwise create more piping work and downtime.

  • 01Center-body access simplifies inspection, cleaning and seal replacement.
  • 02Stainless-steel construction supports water, oil, air, gas and compatible process media.
  • 03Full-port style flow paths can minimize pressure loss in open position.
  • 04Electric automation reduces manual operation and supports remote equipment control.
Industrial skid piping application for 3-piece motorized ball valve
Equipment & skid maintenanceServiceable shutoff where automation and future maintenance both matter.
Technical data

3-piece motorized ball valve specifications

Standard configurations cover common industrial sizes, stainless-steel body materials, multiple seat options and flexible electric actuator control modes.

ModelFLE-Q-3PS
Size rangeDN08–DN100
Valve type3-piece, 2-way electric actuated ball valve
Pressão de trabalho10 bar / 16 bar standard configurations
Working temperature−40°C to +180°C, subject to seat and media compatibility
Body / ball materialStainless Steel 304 / 304L / 316 / 316L (CF8 / CF3 / CF8M / CF3M)
Seat materialPTFE / Nylon / PPL options
O-ringPTFE
ConexãoThreaded; GB / ANSI / JIS / DIN options
Actuator controlOn/Off, Regulating, Intelligent and selected explosion-proof configurations
Voltage optionsDC24V, AC24V, AC110V, AC220V; selected AC380V / project configurations
MountingISO 5211 compatible actuator interface
Typical mediaWater, oil, air, gas, steam and compatible industrial fluids
Need the valve matched to your medium and maintenance plan?Send size, thread standard, pressure, temperature, medium, voltage and required control mode.
Send Specifications by Email
Maintenance advantage

Service the valve body without treating the assembly as disposable

For OEM equipment and industrial plants, the real value of a three-piece ball valve appears after installation: easier access to wear components can reduce replacement work and simplify planned maintenance.

Center body accessThe bolted three-piece structure gives technicians direct access to internal valve components after depressurization and safe isolation.
Seat replacementPTFE, Nylon or PPL seat selection allows the valve package to be matched to temperature and service conditions.
Lower downtimeMaintenance can focus on service parts instead of automatically replacing the complete valve-actuator assembly.
Automation retainedThe electric actuator remains available for remote on/off, feedback and selected regulating duties after valve servicing.
Planning a valve package for equipment with regular service intervals?Our engineers can review the valve structure and actuator configuration together.
Ask an Engineer
Construction comparison

3-piece vs 2-piece electric ball valve

Both can automate shutoff. The main difference is serviceability: the 3-piece structure is selected when internal maintenance access is an important part of the project lifecycle.

3-piece motorized ball valve
2-piece electric ball valve
Body construction
Center body plus two end sections held by body bolts.
Two main body sections form a more compact assembly.
Maintenance access
Better access to ball, seats and seals for inspection or replacement.
Serviceable, but generally less convenient when repeated internal access is expected.
Best fit
OEM skids, process equipment, chemical utilities and lines with planned maintenance cycles.
General-purpose compact threaded isolation where lower complexity is preferred.
Selection driver
Lifecycle maintenance, media, seat material, thread standard and automation requirement.
Size, medium, pressure, temperature, installation space and budget.
Not sure whether 2-piece or 3-piece is better?Tell us how often the valve will be serviced and what fluid it handles.
Compare Valve Construction
Electric actuator options

Remote isolation with control options matched to the equipment

Actuator selection should follow the valve torque, operating frequency, power supply, control signal and site environment—not voltage alone.

On / OffRemote automatic opening and closing for equipment and pipeline isolation.
RegulatingSelected configurations for intermediate positioning and process adjustment.
Intelligent ControlSelected feedback and automation functions for PLC / DCS integration.
Manual OverrideHandwheel operation available on selected actuator configurations.
Explosion-ProofSelected hazardous-area actuator configurations available by project.
Fonte de alimentaçãoDC24V, AC24V, AC110V, AC220V and selected higher-voltage options.
Need actuator sizing or control matching?Send operating pressure, valve size, cycle frequency, voltage and control signal.
Ask About Actuator Sizing
Application environments

Where 3-piece motorized ball valves add value

The strongest applications are compact process and equipment lines that need reliable automatic shutoff today and practical maintenance access later.

Water treatment application for 3-piece motorized ball valve
Filtration · Dosing · Utility LinesWater & Wastewater

Automatic isolation around filters, pumps, dosing units and packaged treatment equipment.

Industrial process skid application for three-piece electric ball valve
OEM · Skids · Packaged SystemsIndustrial Equipment

Serviceable electric shutoff for compact skids, machinery modules and process packages.

Chemical processing application for 3-piece electric actuated ball valve
Transfer · Dosing · UtilitiesProcessamento Químico

Stainless-steel automated isolation where material compatibility and maintainability are both important.

Compressed air utility application for 3-piece motorized ball valve
Air · Gas · Plant UtilitiesCompressed Air & Utilities

Remote shutoff for auxiliary air, gas and utility lines in industrial equipment and plants.

Have a different application?Send the process fluid, pressure, temperature, thread standard and maintenance requirement.
Discuss Your Application
Selection guide

Select the valve around serviceability and process duty

A 3-piece body is valuable only when the material, seat, thread, actuator torque and control architecture are also correct for the real operating conditions.

01

Define the medium

Identify water, oil, gas, steam or chemical composition and check stainless-steel and seat compatibility.

02

Confirm pressure & temperature

Use actual operating and design values so seat material and actuator torque are not selected from nominal size alone.

03

Select seat material

Choose PTFE, Nylon or PPL according to temperature, sealing duty and process compatibility.

04

Match thread standard

Confirm GB, ANSI, JIS or DIN thread requirements before ordering the valve body.

05

Define maintenance access

Allow enough space for safe depressurization, body-bolt removal and future seat or seal replacement.

06

Specify actuator control

Select on/off, regulating, intelligent or selected hazardous-area actuation together with voltage and feedback needs.

Fastest way to get an accurate recommendation:Email the six selection inputs above with your equipment or piping requirement.
Request Selection Support
Quality & integration

Built for repeatable industrial automation

The valve package combines stainless-steel ball-valve construction with electric actuator options for remote operation, status feedback and industrial automation.

ISO 5211Standardized quarter-turn actuator mounting interface.
SS304/316Multiple stainless-steel body and ball material options.
ElectricOn/off, regulating, intelligent and selected explosion-proof actuation.
Perguntas frequentes

3-piece motorized ball valve FAQs

Common engineering questions about serviceability, materials, threaded connections and electric actuation.

What is the main advantage of a 3-piece motorized ball valve?
The three-piece body provides easier access to the ball, seats and seals than more compact constructions. This makes it attractive for systems where cleaning, inspection or internal component replacement is expected during the valve lifecycle.
Can the center body be serviced without replacing the entire valve?
Yes. After the line is safely isolated, depressurized and prepared for maintenance, the bolted center body can be accessed for inspection and service. The exact procedure depends on the installation layout and site maintenance rules.
Which seat material should I choose: PTFE, Nylon or PPL?
Seat selection depends on medium compatibility, operating temperature, pressure and sealing requirements. PTFE is common for broad general service, while Nylon or PPL may be selected for different pressure or temperature duties. Final selection should be checked against the actual process.
Which thread standards are available?
FLE-Q-3PS threaded configurations can be supplied around GB, ANSI, JIS and DIN project requirements. Confirm the exact thread standard and size before ordering to avoid installation mismatch.
Can the valve be used with PLC or DCS automation?
Yes. Depending on actuator configuration, the assembly can support remote on/off commands, status feedback and selected regulating or intelligent control functions for equipment and plant automation.
Is a 3-piece ball valve better than a 2-piece ball valve?
Not automatically. A 3-piece design is usually preferred when internal maintenance access is important. A 2-piece design may be more economical for general-purpose isolation where repeated disassembly is not a major requirement.

Need a serviceable electric ball valve for your equipment or process line?

Send medium, size, pressure, temperature, thread standard, seat preference, voltage and control mode for engineering review.

Email Fleyenda Engineering
inquiry@fleyendaflow.com
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