Swing Check Valve

H44H, H44Y type PN16 ~ PN250 swing check valve for pressure 1.6 ~ 25MPa working temperature -29 ~ +550 ℃ petroleum, chemical, pharmaceutical, fertilizer, power industry and other conditions of the pipeline, the applicable medium is Water, oil, steam, acidic medium and so on.

Product Usage
H44H, H44Y type PN16 ~ PN250 swing check valve for pressure 1.6 ~ 25MPa working temperature -29 ~ +550 ℃ petroleum, chemical, pharmaceutical, fertilizer, power industry and other conditions of the pipeline, the applicable medium is Water, oil, steam, acidic medium and so on.

Features
H44H, H44Y Swing Check Valve is automatically opened and closed by the force generated by the flow of medium itself in the pipeline, which belongs to an automatic valve. Check valve for piping systems, its main role is to prevent media backflow, to prevent the pump and its drive motor reversal, as well as the container media release. Check valves can also be used on lines where the pressure may rise to a level above the pressure of the main system auxiliary system.

Performance parameters

model		H44H-16C~250	H44W-16P~250
Work pressure（MPa）		1.6~25
proper temperature（℃）		≤425	≤550
Suitable media		Water, steam, oil	Weak corrosive medium
material	Body, bonnet, disc	Carbon steel	Chrome nickel-titanium stainless steel
	Sealing surface	Carbon steel surfacing iron-based alloys	Body sealed

The main shape and connection dimensions

Nominal diameterDN	The main dimensions and connection dimensions
Nominal diameterDN	L	D	D1	D2	b	Z-d	H
H44H-16C H44W-16C H44W-16P H44W-16R H44W-16I
25	160	115	85	65	16	4-14	100
32	180	135	100	78	16	4-18	105
40	200	145	100	85	16	4-18	115
50	230	160	125	100	16	4-18	135
65	290	180	145	120	18	4-18	142
80	310	195	160	135	20	8-18	165
100	350	215	180	155	20	8-18	180
125	400	245	210	185	22	8-18	210
150	480	280	240	210	24	8-23	233
200	500	335	295	265	26	12-23	304
250	550	405	355	320	30	12-25	348
300	650	460	410	375	30	12-25	390
350	750	520	470	435	34	16-25	430
400	850	580	525	485	36	16-30	468
H44H-25 H44W-25 H44W-25P H44W-25R H44W-25I
25	160	115	85	65	16	4-14	100
32	180	135	100	78	16	4-18	105
40	200	145	110	85	16	4-18	115
50	230	160	125	100	20	4-18	160
65	290	180	145	120	22	8-18	175
80	310	195	160	135	22	8-18	185
100	350	230	190	160	24	8-23	220
125	400	270	220	188	28	8-25	248
150	480	300	250	218	30	8-25	276
200	550	360	310	278	34	12-25	350
250	650	425	370	332	36	12-30	410
300	750	485	430	390	40	16-30	430
350	850	550	490	448	44	16-34	518
400	950	610	550	505	48	16-34	560

Structure picture

Swing Check Valve

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