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. 764-4250
BrandRS PRO
SGD42.82
Each
units
Threaded 1/2 in BSPP Stainless Steel - 1/2in Gas, Oil, Water 1000 psi 12.7mm 1/2in 2 Way
RS Stock No. 733-5230
BrandRS PRO
SGD12.28
Each
units
Threaded 1/4 in BSPP Brass - 1/4in Air, Oil, Steam, Water 32 bar 8mm 1/4in 2 Way
RS Stock No. 764-4256
BrandRS PRO
SGD29.75
Each
units
Threaded 1/4 in BSPP Stainless Steel - 1/4in Gas, Oil, Water 68 Bar 8mm 1/4in 2 Way
RS Stock No. 486-255
BrandRS PRO
SGD57.31
Each
units
Threaded 3/8 in BSPP Brass - 3/8in Air, Oil, Steam, Water 30 bar 10mm 3/8in T-Port
RS Stock No. 733-5120
BrandRS PRO
SGD10.54
Each
units
Threaded 3/8 in BSPP Brass - 3/8in Air, Oil, Steam, Water 50 bar 10mm 3/8in 2 Way
RS Stock No. 764-4269
BrandRS PRO
SGD57.93
Each
units
Threaded 3/4 in BSPP Stainless Steel - 3/4in Gas, Oil, Water 1000 psi 19.6mm 3/4in 2 Way
RS Stock No. 486-287
BrandRS PRO
SGD83.52
Each
units
Threaded 3/4 in BSPP Brass - 3/4in Air, Oil, Steam, Water 25 bar 20mm 3/4in 3 Way
RS Stock No. 499-2789
BrandRS PRO
SGD46.31
Each
units
Threaded 1/4 in BSPP Stainless Steel - 1/4in Gas, Oil, Water 68 bar 6.35mm 1/4in 2 Way
RS Stock No. 733-5182
BrandRS PRO
SGD29.28
Each
units
Threaded 1 in BSPP Nickel Plated Brass - 1in Air, Oil, Steam, Water 40 bar 25.4mm 1in 2 Way
RS Stock No. 733-5224
BrandRS PRO
SGD14.24
Each
units
Threaded 1/2 in BSPP Brass - 1/2in Air, Oil, Steam, Water 32 bar 12.7mm 1/2in 2 Way
RS Stock No. 733-5233
BrandRS PRO
SGD11.93
Each
units
Threaded 3/8 in BSPP Brass - 3/8in Air, Oil, Steam, Water 32 bar 10mm 3/8in 2 Way
RS Stock No. 499-2802
BrandRS PRO
SGD48.78
Each
units
Threaded 3/4 in BSPP Stainless Steel - 3/4in Gas, Oil, Water 68 bar 19.6mm 3/4in 2 Way
RS Stock No. 499-1871
BrandRS PRO
SGD159.16
Each
units
Threaded 3/8 in BSPP Stainless Steel - 3/8in Gas, Oil, Water 68 bar 10mm 3/8in 3 Way
RS Stock No. 733-5170
BrandRS PRO
SGD15.20
Each
units
Threaded 1/2 in BSPP Brass - 1/2in Air, Oil, Steam, Water 40 bar 15mm 1/2in 2 Way
RS Stock No. 499-2795
BrandRS PRO
SGD39.99
Each
units
Threaded 1/2 in BSPP Stainless Steel - 1/2in Gas, Oil, Water 68 bar 12.7mm 1/2in 2 Way
RS Stock No. 486-306
BrandRS PRO
SGD32.15
Each
units
Compression - Brass 22mm 22mm Gas, Oil, Petrol, Water 16 bar 22mm - 2 Way
RS Stock No. 733-5167
BrandRS PRO
SGD20.39
Each
units
Threaded 3/4 in BSPP Brass - 3/4in Gas 40 bar 20mm 3/4in 2 Way
RS Stock No. 733-5132
BrandRS PRO
SGD17.81
Each
units
Threaded 3/4 in BSPP Brass - 3/4in Air, Oil, Steam, Water 40 bar 20mm 3/4in 2 Way
RS Stock No. 733-5237
BrandRS PRO
SGD14.28
Each
units
Threaded 1/2 in BSPP Brass - 1/2in Air, Oil, Steam, Water 32 bar 15mm 1/2in 2 Way
RS Stock No. 499-1944
BrandRS PRO
SGD175.05
Each
units
Threaded 1/2 in BSPP Stainless Steel - 1/2in Gas, Oil, Water 68 bar 12.7mm 1/2in 3 Way
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