Ball check valve

Size2″~16″ (DN50~DN400 mm)

OperatedN/A

Conection endDouble Flange Type

Conection standardPN10 / PN16 / 150LB

Working pressurePN16

Body materialDuctile iron

Disc materialDuctile iron + EPDM / NBR

Seat materialEPDM/NBR

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Product Details

A ‌ball check valve‌ is a simple type of ‌check valve‌ that uses a free-moving ball (typically spherical) as the blocking element to allow fluid flow in ‌one direction only‌ and prevent reverse flow (backflow). It relies on gravity, fluid pressure, and the weight of the ball itself for operation.

Technical Standard:
1.Design Standard: BS EN1074-3/BS EN12334/AWWA C508
2.Face to face: EN558/ASME B16.10/DIN 3202/BS 5163.
3.Flange Standard: EN1092-2/ASME B16.1/AWWA C508.
4.Test Standard: GB/T 13927/API 598.

Product Advantages&Our Service:
1.Body/Housing:‌ Contains inlet and outlet ports. Common materials is ductile iron.
2.‌Ball:‌ A free-moving spherical element. Material depends on the fluid: rubber-coated.
3.‌Seat:‌ A conical or spherical machined surface inside the body against which the ball seals tightly when closed.
4.Extremely Simple Design:‌ Minimal moving parts (just the ball), making it robust and inexpensive.
5.‌Reliable for Viscous Fluids & Slurries:‌ Less prone to sticking or jamming compared to flap or swing valves, good for thick liquids or those with solids (if the ball is hard).
6.‌Bubble-Tight Seal (Potential):‌ Can achieve excellent sealing if the ball and seat are precision-machined and compatible with the fluid.
7.‌Vertical Orientation Required:‌ Must be installed with flow direction ‌vertically upward‌ (inlet below, outlet above). Gravity is essential for closure.
8.‌Fast Closure:‌ Can close relatively quickly upon flow reversal.
9.Adopt epoxy painting,stronger adhesion and good weather resistance.
10.Pressure Testing Report,3.1 Certificate of Material can be provided.

Face to face dimension:

DN	mm	50	65	80	100	125	150	200	250	300	350	400
DN	inch	2	2-1/2	3	4	5	6	8	10	12	14	16
L（DIN）		200	240	260	300	350	400	500	600	700	800	900
L(GB)		219	220	257	280	320	355	435	498	555
L（C508）		203	216	241	292	330	356	495	622	698	787	914

The data is for reference only, please consult sale@valflovalve.com for details.

QUESTIONS

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Ball check valve

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