Threaded vertical lift check valve

Size1/2″~4″ (DN15~DN100 mm)

OperatedN/A

Conection endThreaded

Conection standardBSPT / NPT

Working pressurePN16

Body materialWCB, Stainless steel, Duplex steel

Disc materialWCB, Stainless steel, Duplex steel

Seat materialCr13, Stainless steel, Duplex steel

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Product Details

A ‌threaded vertical lift check valve‌ is a type of ‌check valve‌ designed for ‌vertical pipe installations‌, featuring a ‌lift-style disc‌ and ‌threaded connections‌ for direct pipe attachment. Its core function is to allow ‌unidirectional flow‌ while automatically blocking reverse flow using gravity and fluid dynamics.

Technical Standard:
1.Thread Standard: BSPT/NPT.
2.Test Standard: API 598.

Product Advantages&Our Service:
1.A spring-loaded disc (or piston) moves ‌vertically‌ along the valve axis.
‌2.Forward flow‌: Fluid pressure lifts the disc against spring force, opening the valve.
3.Flow stoppage/reversal‌: Spring tension + gravity force the disc down to seal against the seat, preventing backflow‌
4.Pressure Testing Report,3.1 Certificate of Material can be provided.

Face to face dimension:

DN	mm	15	20	25	32	40	50	65	80
DN	inch	1/2	3/4	1	1-1/4	1-1/2	2	2-1/2	3
L		59	67	78	90	99	117	148	172

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

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Threaded vertical lift check valve

Product Details

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