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Threaded Ball Valves – Compact, Easy-to-Install Valves for Water, Gas & Industrial Systems

Need a valve that’s quick to install, space-efficient, and offers leak-tight shut-off? At Perfect Engineers, we offer a complete range of Threaded Ball Valves (Screwed End Ball Valves) that are ideal for low- to medium-pressure fluid control in plumbing, HVAC, water treatment, gas lines, and industrial utility applications.

Available in BSP, NPT, and metric threads, our threaded ball valves are built for tight spaces, quick replacements, and long-lasting performance.

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What is a Threaded Ball Valve?

A Threaded Ball Valve (also called a screwed-end ball valve) is a quarter-turn shut-off valve with female or male threaded ends that connect directly to piping without welding or flanges. It is ideal for:

Compact installations
Temporary or portable setups
Small-diameter pipelines (up to 2” commonly)
Water, oil, air, gas, and chemicals

Key Features of Our Threaded Ball Valves

BSP / NPT threads in female x female, male x female, or male x male
Available in SS304, SS316, Brass, Carbon Steel, and PVC
Full bore or reduced bore options
Lockable handles and blowout-proof stems
Compact and lightweight construction
Suitable for on/off or modulating flow control
PTFE or RPTFE seats for leak-tight sealing

Type of Threaded Ball Valves

BSP (British Standard Pipe) Thread

Whether you’re connecting pipes in industrial systems, HVAC lines, or sanitary installations, BSP threads ensure secure, leak-tight, and standard-compliant connections.

Metric Thread

Metric Threads are the globally recognized thread standard for machined parts, hydraulic systems, fittings, and pressure connections, especially in European and Asian industries.

Technical Specifications

Parameter	Specification
Size Range	¼” to 4” (DN8 to DN100)
Thread Standards	BSP (ISO 228), NPT (ANSI B1.20.1), Metric
Pressure Rating	PN16–PN63 / Class 150–600
Body Materials	SS304, SS316, Brass, WCB, PVC
Seat Materials	PTFE, RPTFE, Viton
Temperature Range	-20°C to +180°C
Connection Type	Female/Female, Male/Female, Male/Male

Material Selection Guide

Application	Recommended Material
Potable Water	Brass, SS304
Acidic/Chemical Media	SS316 or PTFE-lined CS
Compressed Air	SS304 / Brass
Fuel/Diesel Lines	WCB / SS316 with graphite
PVC Pipelines	PVC Threaded Ball Valve

Contact Us for Pricing & OEM Support

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+91-9004860491

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[email protected]

Website

www.perfectqrc.com

Common Applications of Threaded Ball Valves

Water supply pipelines and domestic plumbing
Compressed air and inert gas lines
Fuel oil and diesel systems
Chilled water and HVAC loops
Skid-mounted equipment and test rigs
Fire protection zone isolation
Chemical dosing and transfer lines
Cement, steel & material handling industries
Temporary connections in portable systems

Types of Threaded Ball Valves We Offer

2-Piece Threaded Ball Valve – Easy maintenance and replacement
3-Piece Threaded Ball Valve – Ideal for cleaning and repair without removing from the line
Full Bore Threaded Ball Valve – No pressure drop, ideal for pump suction
Reduced Bore Threaded Ball Valve – Cost-effective option
Mini Ball Valves – Space-saving for tight installations
Union End Ball Valves – Easy removal from pipeline for servicing

Installation Tips

Always use thread sealant tape or liquid thread locker for leak-free connections
Avoid over-tightening; follow recommended torque specs
Use spanner-friendly flats to tighten without damaging the valve
For chemicals, verify seat and body compatibility
Use union-type valves where frequent removal is expected

FAQs

What’s the difference between BSP and NPT threads?

BSP: British Standard Pipe – parallel thread
NPT: National Pipe Taper – tapered for a tighter seal

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