Stainless Steel Flanged Swing Check Valve

Stainless steel flanged swing check valve is suitable for pipelines with various working conditions such as petroleum, chemical, pharmaceutical, fertilizer and electric power industries with pressure of 1.25~25MPa. The applicable medium is water, oil and steam. , acidic medium, etc. Used in piping systems, its main function is to prevent backflow of the medium, prevent the pump and its driving motor from reversing, and discharge the medium in the container.

Product Details

Product Description

Model		H44W-16P~250
Working pressure (MPa)		1.6~25
Applicable temperature (°C)		≤550
Applicable medium		Weakly corrosive medium
Material	Valve body, bonnet, valve flap	Chrome nickel titanium stainless steel
	Sealing surface	Body seal

Part Name	Material
Valve body	A351 CF8	A351 CF8M	A351 CF3	A351 CF3M
Bonnet	A351 CF8	A351 CF8M	A351 CF3	A351 CF3M
Valve Plate	A351 CF8	A351 CF8M	A351 CF3	A351 CF3M
Sealing surface	Ontology/STL	Ontology/STL	Ontology/STL	Ontology/STL
Valve shaft	A182 F304	A182 F316	A182 F304L	A182 F316L
Gasket	Flexible graphite	Flexible graphite	Flexible graphite	Flexible graphite
Bolt	A193 B8	A193 B8M	A193 B8	A193 B8M
Nut	A194 8	A194 8M	A194 8	A194 8M
Operating temperature	-46~425℃	-46~425℃	-46~425℃	-46~425℃
Applicable medium	Weakly corrosive	Weakly corrosive	Weakly corrosive	Weakly corrosive

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Nominal diameter	Main dimensions and connection dimensions
Nominal diameter	L	D	D1	D2	b	Z-d	H
H44W-16P H44W-16R
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
H44W-25P H44W-25R
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

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