Reduced Port Ball Valve

Home » Industrial Valves » Ball Valve » Reduced Port Ball Valve

Reduced Port Ball Valve Manufacturer for Economical Flow Control

ZONCIC is a reduced port ball valve manufacturer supplying reduced bore ball valves for oil and gas, petrochemical, water treatment, power generation and industrial pipeline systems.

Our reduced port ball valves are designed for reliable shut-off, compact structure, lower valve weight and cost-effective selection where full bore flow capacity is not required.

Reduced port ball valve manufacturer reduced bore ball valve for industrial pipeline systems

Reduced Port Ball Valve Manufacturer for Practical Valve Selection

Choosing the right reduced port ball valve manufacturer is important when a pipeline project needs reliable shut-off, compact installation, lower valve weight and better cost control. In many industrial services, full bore flow is not always necessary, and a reduced bore design can provide a more practical balance between performance and budget.

A reduced port ball valve, also called a reduced bore ball valve, has an internal bore smaller than the pipeline inside diameter. Compared with a full port ball valve, it helps reduce material consumption, valve weight and installation space while still providing dependable quarter-turn shut-off performance.

As an experienced reduced port ball valve manufacturer, ZONCIC supports valve structure selection, port type confirmation, pressure class matching, material selection, seat material review, testing and export documentation for global industrial projects.

Reduced Port Ball Valve Selection Reference

Reduced port ball valve selection should consider bore size, expected pressure drop, installation space, pressure class, seat material, operation type and service media. Customers can review ZONCIC valve standards guidance and general fluid flow references from Engineering Toolbox for pipeline flow and pressure drop considerations.

Reduced port ball valve manufacturer flanged reduced bore ball valve WCB Class 300

What Is a Reduced Port Ball Valve?

A reduced port ball valve is a quarter-turn shut-off valve with a bore smaller than the pipe bore. It is selected where the system does not require full flow capacity and where compact design, lower weight or economical valve selection is preferred.

ZONCIC supplies reduced port ball valve manufacturer solutions in floating and trunnion mounted structures. These valves are suitable for oil, gas, water, steam, chemical media and general industrial shut-off applications.

Key Features of Reduced Port Ball Valves

Reduced Bore Design

Reduced bore structure helps create a compact valve body with lower weight and practical installation flexibility.

Economical Selection

Reduced port ball valves are often more cost-effective when full bore flow capacity is not required.

Reliable Shut-Off

Quarter-turn ball valve design provides dependable sealing for oil, gas, water, steam and chemical service.

Flexible Structures

Available in floating ball valve and trunnion mounted ball valve designs according to size and pressure class.

Reduced Port Ball Valve Technical Specifications

As a reduced port ball valve manufacturer, ZONCIC recommends confirming valve size, pressure class, port type, valve structure, body material, seat material, end connection, working media and expected flow requirement before quotation.

ItemSpecification
Valve TypeReduced Port Ball Valve / Reduced Bore Ball Valve
Size Range1/2″ to 24″ (DN15 to DN600)
Pressure RatingClass 150 to Class 600 / PN16 to PN100
Port TypeReduced Port / Reduced Bore
Valve StructureFloating Ball Valve, Trunnion Mounted Ball Valve
Body MaterialsWCB, LCB, CF8, CF8M, Duplex Stainless Steel, Alloy Steel
Ball MaterialsSS304, SS316, SS316L, Duplex Stainless Steel
Seat MaterialsPTFE, RPTFE, Nylon, PPL, PEEK, Metal Seat Optional
End ConnectionsFlanged, Threaded, Butt Weld, Socket Weld
OperationLever, Gear, Pneumatic Actuator, Electric Actuator
Manufacturing StandardsAPI, ASME, DIN, JIS, GOST
Design StandardAPI 6D, API 608, ASME B16.34, ISO 17292
Face to FaceAPI 6D, ASME B16.10, DIN
Flange StandardASME B16.5, ASME B16.47, DIN, JIS, GOST
Inspection and TestingAPI 598, API 6D, ISO 5208
Applicable Temperature-46°C to 200°C depending on body and seat material
Applicable MediaOil, Gas, Water, Steam, Chemical Media, Process Fluids

Main Parts and Materials

No.Part NameMaterial
1BodyWCB / LCB / CF8 / CF8M
2Bonnet / End CapWCB / LCB / CF8 / CF8M
3Reduced Bore BallSS304 / SS316 / Duplex SS
4StemSS410 / SS304 / SS316
5SeatPTFE / RPTFE / Nylon / PPL / PEEK
6Body GasketGraphite / PTFE
7Stem PackingGraphite / PTFE
8Thrust WasherPTFE
9O-RingNBR / FKM / Viton
10GlandCarbon Steel / Stainless Steel
11Handle / Gear OperatorCarbon Steel
12Bolts & NutsB7 / 2H / B8 / B8M

Main Dimensions

SizeDNL (mm)H (mm)W / Gear (mm)ConnectionPressure Class
1/2″1510870130Flanged / Threaded150 / 300
3/4″2011775130Flanged / Threaded150 / 300
1″2512782150Flanged / Threaded150 / 300
1-1/2″4016595180Flanged / Threaded150 / 300
2″50178105200Flanged / BW / SW150 / 300 / 600
3″80203125250Flanged / BW150 / 300 / 600
4″100229145300Flanged / BW150 / 300 / 600
6″150394180450Flanged / BW150 / 300 / 600
8″200457220600Flanged / BW150 / 300
10″250533260750Flanged / BW150 / 300
12″300610300900Flanged / BW150 / 300
16″4006864201200Flanged / BW150 / 300
20″5007625201500Flanged / BW150 / 300
24″6009146201800Flanged / BW150 / 300

Note: Dimensions above are for reference only. Customized reduced port ball valve dimensions can be provided according to project requirements, valve design and pipeline service conditions.

Manufacturing Standards and Quality Control

A responsible reduced port ball valve manufacturer should control reduced bore machining, seat sealing, ball surface condition, pressure testing and final marking before shipment. ZONCIC manufactures reduced port ball valves according to international standards for industrial pipeline applications.

  • API, ASME, DIN, JIS and GOST standard support for export projects
  • Reduced bore dimension, body machining and ball surface inspection
  • Seat material review and stem packing confirmation
  • Hydrostatic shell test and seat leakage test before delivery
  • Floating and trunnion mounted design options
  • Export-grade packing with clear marking and project documentation

Reduced Port Ball Valve Applications

Reduced port ball valves are widely used where reliable shut-off, compact body design, reduced valve weight and economical project selection are required. ZONCIC supports reduced port ball valve manufacturer solutions for industrial utility and process pipelines.

Oil and Gas Auxiliary Pipelines
Petrochemical and Refinery Plants
Water Treatment Systems
Power Generation Utilities
Chemical Processing Pipelines
General Industrial Shut-Off Service

Reduced Port Ball Valve FAQ

What is a reduced port ball valve?

A reduced port ball valve is a quarter-turn ball valve with an internal bore smaller than the pipeline bore, designed for compact and economical shut-off service.

How to choose a reduced port ball valve manufacturer?

A reduced port ball valve manufacturer should support port type selection, material confirmation, pressure class matching, testing and export documentation.

What is the difference between reduced port and full port ball valves?

A reduced port ball valve has a smaller bore and is more compact and economical, while a full port ball valve has a bore closer to the pipe diameter for lower pressure drop and higher flow capacity.

When should I use a reduced port ball valve?

A reduced port ball valve is suitable when full bore flow is not required and the project needs a compact, lower weight and cost-effective shut-off valve.

What information is needed for quotation?

Please provide valve size, pressure class, port type, body material, seat material, end connection, media, temperature, operation type and quantity.

Need a Reduced Port Ball Valve Manufacturer?

Send your valve size, pressure class, material, port type, media and quantity. ZONCIC will provide a practical reduced port ball valve solution for your project.

Send Your Inquiry
Scroll to Top
×