Lift check valve

Short Description:

The H41H lift check valve is a valve that controls the unidirectional flow of media in pipelines and prevents backflow. The valve disc moves up and down along the central positioning, and the bushing is made of special materials with good wear resistance and low friction coefficient, ensuring flexible and reliable operation and excellent sealing performance. The product is widely used in pipelines under various working conditions in industries such as petroleum, chemical engineering, pharmaceuticals, and power.

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Product Detail

Production workshop

QC

Shipments to customers

Product Tags

Brief

Lift check valve means to rely on the flow of the medium itself automatically open,close the valve,rely on the weight of the valve and fluid pressure in the automatic valves to prevent backflow of fluid medium,also known as the check valve,check valve,reflux valve, pump and drive motor reversal,as well as container media.The check valve can also be used to which the pressure may rise to the auxiliary system supplies more than the system pressure pipeline.

Technical data

PN(MPa) Nominal pressure	1.6
Working temperature	<425
Suitable mediums	Water,steam,oil

Meterial of main parts

Part name	Meterial
Body,bonnet	Cast steel,stainless steel
Valve clack	Stainless steel
Seal gasket	PTFE、Stainless steel+graphite
Seat	Copper,stainless steel,hard alloy

Main dimensions

DN(mm)	L	H1	D1	D2	D3	n-φd
15	130	77	45	65	95	4-φ14
20	150	77	55	75	105	4-φ14
25	160	80	65	85	115	4-φ14
32	180	85	78	100	135	4-φ18
40	200	95	85	110	145	4-φ18
50	230	105	100	125	160	4-φ18
65	290	120	120	145	180	4-φ18
80	310	130	135	160	195	8-φ18
100	350	140	155	180	215	8-φ18
125	400	155	185	210	245	8-φ18
150	480	180	210	240	280	8-φ23
200	600	215	265	295	335	12-φ23