What is a ball valve's function?

A ball valve is a shut-off valve that controls the flow of a liquid or gas using a rotating ball with a bore.

Is a ball valve the same as a check valve?

The ball in some ball check valves is spring-loaded to assist keep it closed. To propel the ball toward the seat and produce a seal in designs without a spring, reverse flow is required.

Ball Check Valve (Flanged), Ball Check Valve at Best Price in India

Ball Check Valve (Flanged)

Principle

The reinforced rubber ball is the heart of this valve. This ball in the designed path of the valve moves freely and promptly reacts to the ON & OFF of the pump. The ball moves to open position when the pump starts & allows free flow of liquid without any interference. (Fig. A) As the pump stops, the ball seats firmly against the metal seat due to its own weight & back pressure of the liquid (Fig B) This results in DROPLESS sealing.

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Features of the Valve

New generation valve with unique and non-conventional design.
Suitable for a very wide range of applications like slurry, sewage, paper, chemical, water supply, agriculture, muddy water, slurry, paper stock, viscous liquid and dear water.
Robust and very simple mechanism.
Afloating reinforced rubber coated ball is used instead of hinge-pin-disc.
Highly sensible to arrest flow with perfect sealing.
Very low head loss
Non clogging and self cleaning mechanism
Maintenance free
Power saving
Large solid handling capacity
Dimensionally conforming with DIN 3202-F6 / EN558-1-S48 / IS 5312
Installation can be vertically or horizontally
Operates silently upto 80 °C
This valve has a quality for withstanding consistent performance and longer

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Pressure Rating

Size	Rating
25 – 125NB	PN 1.6
150 – 300NB	PN 1.0
350NB	PN 0.6
For CI Construction

Part List / Materials of Construction

Part Description	Standard	Special
Body	Cast Iron GG 25	St. Steel, Cast Steel
Cover	Cast Iron GG 25	St. Steel, Cast Steel
Ball	Nitrile Rubbercoated	EPDM, Neoprene
Cover Ring	Nitrile ASTM D2000	Butyle, Viton
Ball Seat Ring	L.T.Bronze LTB2	St. Steel, Hard Rub.
Fasteners	Carbon Steel CL4	St. Steel

Dimensions (A = Valve size in mm)

A	25	40	50	65	80	100	125	150	200	250	300	350
D	115	150	165	185	200	220	250	285	340	395	445	527
L	144	174	200	240	260	300	350	400	500	600	700	800
H	125	165	185	210	250	285	340	415	505	600	670	835
T	15	15	16	16	20	22	22	24	23	28	28	32
Width	115	150	166	186	202	221	275	307	375	433	501	535
Wt.(kg)	4.0	6.5	9.5	13.0	19.0	28.0	46.0	60.0	103.0	156.0	209.0	310.0

Ball Check Valve (Threaded)

Principle

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Features of the Valve

New generation valve with unique and non-conventional design.
Suitable for a very wide range of applications like slurry, sewage, paper, chemical, water supply, agriculture, muddy water, slurry, paper stock, viscous liquid and dear water.
Robust and very simple mechanism.
Afloating reinforced rubber coated ball is used instead of hinge-pin-disc.
Highly sensible to arrest flow with perfect sealing.
Very low head loss
Non clogging and self cleaning mechanism
Maintenance free
Power saving
Large solid handling capacity
Dimensionally conforming with DIN 3202-F6 / EN558-1-S48 / IS 5312
Installation can be vertically or horizontally
Operates silently upto 80 °C
This valve has a quality for withstanding consistent performance and longer

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Pressure Rating

Size	Rating
25 – 100NB	PN 0.6
For CI Construction

Dimensions (A = Valve size in mm)

A	25	40	50	65	80	100
H	121	142	167	208	250	295
W	115	125	136	165	204	250
Wt.(kg)	1.7	2.0	3.2	5.2	8.5	13.5

Part List / Materials of Construction

Part	Description	Material
1.	Body	Cast Iron – IS210, FG200 (min)
2.	Ball	Nitrile Rubber Coated
3.	Seat Ring	Nitrile ASTM D-2000
4.	Fastener	Carbon Steel CL4
5.	Adaptor	Cast Iron – IS210, FG200 (min)