MNC Valves Ltd.

Single Piece Screwed Ball Valve Manufacturer in India

MNC VALVES LIMITEDΒ manufactures high-performance Single Piece Screwed Ball Valves designed for compact installation, reliable shut-off, economical service, and dependable performance in utility, process, air, water, gas, and general industrial applications.

25+ Years Experience in industrial valve manufacturing and supply

Compact screwed-end design for smaller line sizes

Economical solution for shut-off duty in utility and industrial systems

Designed for reliable sealing and simple installation

Introduction

MNC VALVES LIMITEDΒ is a trusted manufacturer and supplier of Single Piece Screwed Ball Valves engineered for compact, economical, and dependable shut-off service in industrial and utility lines. These valves are widely selected where space-saving installation, lower cost, and practical operation are important.

The single piece screwed design is commonly used in smaller piping systems where a simple compact valve body is preferred and intensive maintenance access is not the primary requirement. It is suitable for air, water, oil, gas, and general industrial media within design limits.

What is a Single Piece Screwed Ball Valve?

AΒ Single Piece Screwed Ball ValveΒ is a quarter-turn valve with a one-piece compact body and threaded end connections. It uses a rotating ball with a central bore to allow or stop flow. The screwed-end design makes it suitable for compact piping arrangements, especially in smaller sizes.

This valve category is commonly selected where the buyer needs a practical shut-off valve with simple installation, compact size, economical cost, and dependable isolation for utility or process service.

Design & Construction

Single Piece Compact Body

Provides a simple, economical, and space-saving construction for smaller piping systems.

Threaded End Connection

Suitable for screwed-end installations where flanged connections are not required.

Floating Ball Arrangement

Supports dependable shut-off and sealing performance under operating pressure.

Key Internal Elements

  • Precision machined ball
  • Seat sealing arrangement depending on design
  • Stem with compact operational design
  • Threaded end body for smaller line integration

Operational Benefits

  • Quarter-turn shut-off operation
  • Compact installation in limited spaces
  • Economical valve option for general duty
  • Suitable for manual operation and selected automation in smaller sizes

Technical Specifications

Parameter

Details

Size Range

15 mm to 100 mm

Pressure Rating

As per design and application requirement

End Connection

Screwed End / Threaded End

Thread Standard

BSP / NPT as required

Design Standard

Manufacturer standard / applicable industrial standard

Testing Standard

API 598

Operation

Lever / Pneumatic / Electric

Body Material

WCB / CF8 / CF8M

Seat Material

PTFE / RPTFE / Metal Seat depending on service

Material Options

Body Material Selection

  • WCB – suitable for general industrial and utility applications
  • CF8 (SS304) – selected where stainless steel construction and moderate corrosion resistance are needed
  • CF8M (SS316) – preferred for corrosive media and chemical duty

Seat Material Selection

  • PTFE – standard shut-off and chemical compatibility
  • RPTFE – improved mechanical strength and seat performance
  • Metal Seat – selected where temperature or service severity is higher

Pressure & Temperature Range

Pressure Capability

Pressure suitability depends on body design, size, threaded end integrity, and application requirement. Threaded-end valves are generally selected in smaller sizes and moderate duty conditions unless otherwise specified.

Temperature Suitability

Temperature capability depends on seat and body material. PTFE and RPTFE are suitable for many industrial applications, while metal seat arrangements may be selected for more demanding service.

Advantages

Compact Construction

Suitable for compact piping systems and limited installation space.

Economical Solution

Provides a cost-effective shut-off valve option for general industrial duty.

Simple Installation

Threaded ends support practical connection in smaller line systems.

Limitations

  • Less service-friendly than 3 piece screwed design
  • Generally preferred in smaller sizes rather than large-line heavy-duty piping
  • Not generally selected where extensive internal maintenance access is a regular requirement

Applications

Compressed Air Systems

Suitable for shut-off duty in compact air utility lines.

Water & Utility Lines

Used in smaller utility lines requiring compact and economical shut-off valves.

Oil & Gas Utility Service

Selected in suitable smaller threaded line applications depending on media and pressure.

Chemical Service

Suitable when proper stainless steel body and seat materials are selected.

OEM / Skid Applications

Useful in compact equipment-connected systems where installation space is limited.

General Industrial Service

Widely used for practical shut-off duty in smaller process and utility piping arrangements.

Comparison: Single Piece Screwed vs 3 Piece Screwed Ball Valve

Feature

Single Piece Screwed Ball Valve

3 Piece Screwed Ball Valve

Maintenance

More limited

Easier

Cost

Lower

Higher

Construction

Compact one-piece style

Three body sections

Typical Use

Economical compact shut-off duty

Maintenance-sensitive compact systems

Engineering Selection Guide

Selection Criteria

  • Whether compact size and lower cost are priorities
  • Thread standard required by the piping system
  • Media compatibility and corrosion condition
  • Pressure, temperature, and size suitability

Practical Notes

  • Choose single piece screwed design where compactness and economy are more important than service access
  • Use stainless steel body in corrosive service
  • Ensure proper thread sealing during installation
  • Select actuated options only where size and application make it practica

Manufacturing & Quality Assurance

Manufacturing Strength

  • Precision machining and controlled assembly
  • Compact body design with maintainable construction
  • Application-based material selection
  • Industrial quality focused on shut-off reliability

Quality Control

  • Hydrostatic testing as per API 598
  • Seat leakage testing
  • Visual and dimensional inspection
  • Quality discipline for dependable industrial performance

Why Choose MNC VALVES LIMITED?

25+ Years of Experience

Industrial knowledge built through long market and application exposure.

Practical Compact Valve Solutions

Support for economical, compact, and dependable threaded-end applications.

Reliable Manufacturing Quality

Structured manufacturing approach for dependable shut-off and service performance.

Need Single Piece Screwed Ball Valves?

Connect withΒ MNC VALVES LIMITEDΒ for technical support, compact threaded-end valve selection guidance, and quotation for your industrial requirement.

Technical support for selection

Quotation support for project needs

Application-focused product guidance

Business-ready follow-up action

Technical FAQs

1. What is a Single Piece Screwed Ball Valve?

It is a compact quarter-turn ball valve with one-piece body construction and threaded end connections, used for shut-off duty.

2. What size range is commonly available?

It is commonly selected in smaller sizes such as 15 mm to 100 mm depending on design and application.

3. What is the main advantage of a single piece body?

The main advantage is compactness and economical construction for general shut-off service.

4. When should a screwed-end valve be selected?

It is selected in smaller pipeline sizes where compact installation and practical connection are required.

5. What thread standards are available?

BSP and NPT thread standards are commonly used depending on application and project requirement.

6. What body materials are commonly used?

WCB, CF8, and CF8M are commonly selected based on media and service condition.

7. What seat materials are available?

PTFE, RPTFE, and metal seat options may be used depending on service requirements.

8. Can it be used in corrosive service?

Yes, when suitable stainless steel body and compatible seat materials are selected.

9. Is this valve suitable for high pressure service?

Suitability depends on design, size, thread integrity, and operating conditions. Proper application evaluation is necessary.

10. Is it suitable for throttling duty?

It is generally selected for shut-off and isolation rather than continuous throttling.

11. Can it be actuated?

Yes, in selected sizes and configurations, pneumatic or electric actuation can be provided.

12. What industries commonly use this valve?

Compressed air, water, utility, chemical, OEM, machine-connected, and general industrial sectors commonly use it.

13. What is the difference between single piece and 3 piece screwed ball valves?

Single piece designs are more compact and economical, while 3 piece designs offer better maintenance convenience.

14. Can it be used in OEM and skid systems?

Yes, it is often suitable for compact machine-connected or skid-mounted systems.

15. What affects torque requirement?

Valve size, pressure, seat material, media condition, and internal friction all affect torque requirement.

16. What maintenance is usually required?

Periodic inspection of seats, seals, ball surface, stem sealing, and operating smoothness is recommended.

17. Why is proper thread sealing important?

It helps ensure leak resistance and dependable long-term service in screwed-end installations.

18. Is it suitable for clean service applications?

Yes, depending on material, finish, and media compatibility requirements.

19. What is the benefit of compact size in this valve?

Compact size helps where installation space is limited and economical shut-off duty is required.

20. Why should I choose MNC VALVES LIMITED for single piece screwed ball valves?

Because MNC VALVES LIMITED offers practical compact valve solutions, reliable manufacturing quality, and application-based technical support.

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