Manual Ball Valves

Manual ball valves are commonly used to operate shut-off valves, which control water flow in, for example, plumbing systems. They get their name from the metal ball inside the device, which has a hole through the middle.

How do manual ball valves work?

When the valve is open, the hole is aligned with the pipes and permits flow. When it is closed, the hole is rotated perpendicular to the flow, shutting it off completely. The handle lies flat in alignment with the flow when open, and is perpendicular to it when closed, making for easy visual confirmation of the valve's status.

Types of manual ball valves

When choosing manual ball valves, pay attention to the way in which they can be attached to the shut-off valve. These methods include compression, push-fitting, threaded ends and solvent cement sockets.

Manual ball valves are also differentiated by the materials they are made from, which include brass, iron, plastic and stainless steel. The application of a manual ball valve is determined by this; for instance, a stainless steel valve is much more capable of withstanding heat than one made from plastic.


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Description Price Attachment Type Threaded Connection Body Material Compression Fitting Size Thread Size Safe for Use With Maximum Working Pressure Connection Size mm Connection Size inch Type
RS Stock No. 439-329
Mfr. Part No.0402 07 13
BrandLegris
SGD32.16
Each
units
Threaded 1/4 in BSPP Brass - 1/4in Water 40 bar 8mm 1/4in 2 Way
RS Stock No. 231-5124
Mfr. Part No.6402 10 17
BrandLegris
SGD59.37
Each
units
Threaded 3/8 in G Brass - 3/8in Water 40 bar 10mm 3/8in 2 Way
RS Stock No. 283-0184
Mfr. Part No.0432 20 27
BrandLegris
SGD137.06
Each
units
Threaded 3/4 in G Brass - 3/4in Water 40 bar 20mm 3/4in 2 Way
RS Stock No. 283-0134
Mfr. Part No.0438 09 17
BrandLegris
SGD124.13
Each
units
Threaded 3/8 in G Brass - 3/8in Water 20 bar 10mm 3/8in 3 Way
RS Stock No. 231-5146
Mfr. Part No.6402 13 21
BrandLegris
SGD63.85
Each
units
Threaded 1/2 in G Brass - 1/2in Water 40 bar 15mm 1/2in 2 Way
RS Stock No. 439-363
Mfr. Part No.4812 10 13
BrandLegris
SGD95.39
Each
units
Threaded 1/4 in BSPP Stainless Steel - 1/4in Water 140 bar 10mm 1/4in 2 Way
RS Stock No. 282-6494
Mfr. Part No.0438 23 34
BrandLegris
SGD194.27
Each
units
Threaded 1 in G Brass - 1in Water 20 bar 25mm 1in 3 Way
RS Stock No. 439-379
Mfr. Part No.4812 15 21
BrandLegris
SGD123.05
Each
units
Threaded 1/2 in BSPP Stainless Steel - 1/2in Water 140 bar 15mm 1/2in 2 Way
RS Stock No. 231-5118
Mfr. Part No.6402 07 13
BrandLegris
SGD49.04
Each
units
Threaded 1/4 in G Brass - 1/4in Water 40 bar 8mm 1/4in 2 Way
RS Stock No. 283-0140
Mfr. Part No.0438 12 21
BrandLegris
SGD133.59
Each
units
Threaded 1/2 in G Brass - 1/2in Water 20 bar 15mm 1/2in 3 Way
New
RS Stock No. 215-0290
Mfr. Part No.4902 20 27
BrandLegris
SGD14.994
Each (In a Pack of 10)
units
Threaded 3/4 in BSP Nickel Plated Brass 24.5mm 3/4in - - - - Appliance Valve
RS Stock No. 282-6517
Mfr. Part No.0432 23 34
BrandLegris
SGD156.67
Each
units
Threaded 1 in G Brass - 1in Water 40 bar 25mm 1in 2 Way
New
RS Stock No. 215-0119
Mfr. Part No.0439 10 17
BrandLegris
SGD107.66
Each (In a Pack of 2)
units
Threaded 3/8 in BSP Nickel Plated Brass 15.25mm 3/8in - - - - Appliance Valve
New
RS Stock No. 215-0111
Mfr. Part No.0401 07 13
BrandLegris
SGD50.884
Each (In a Pack of 5)
units
Threaded 1/4 in BSP Nickel Plated Brass 11.8mm 1/4in - - - - Appliance Valve
RS Stock No. 231-5168
Mfr. Part No.6402 23 34
BrandLegris
SGD166.37
Each
units
Threaded 1 in G Brass - 1in Water 40 bar 25mm 1in 2 Way
New
RS Stock No. 215-0278
Mfr. Part No.4810 15 21
BrandLegris
SGD116.022
Each (In a Pack of 5)
units
Threaded 1/2 in BSP Stainless Steel 19mm 1/2in - - - - Appliance Valve
New
RS Stock No. 215-0114
Mfr. Part No.0401 13 21
BrandLegris
SGD69.412
Each (In a Pack of 5)
units
Threaded 1/2 in BSP Nickel Plated Brass 19mm 1/2in - - - - Appliance Valve
New
RS Stock No. 215-0123
Mfr. Part No.0469 04 10
BrandLegris
SGD46.594
Each (In a Pack of 5)
units
Threaded - Nickel Plated Brass 8.8mm 1/8in - - - - Appliance Valve
New
RS Stock No. 215-0276
Mfr. Part No.4810 08 13
BrandLegris
SGD90.014
Each (In a Pack of 10)
units
Threaded 1/4 in BSP Stainless Steel 11.8mm 1/4in - - - - Appliance Valve
RS Stock No. 231-5152
Mfr. Part No.6402 20 27
BrandLegris
SGD127.01
Each
units
Threaded 3/4 in G Brass - 3/4in Water 40 bar 20mm 3/4in 2 Way