Oxygen special check valve-Shanghai Kaihe Valve Group Co., Ltd.

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Oxygen special check valve

Product model: h44h
Nominal diameter: DN15 ～ dn200mm
Nominal pressure: pn0.6 ～ 10.0MPa
Applicable medium: oxygen
Working temperature: normal temperature
Connection type: flange
Main materials: stainless steel, alloy steel, etc

Product details

Oxygen special check valve service characteristics

Oxygen is special check valve is a kind of oxygen pipe network special valve. It not only have the functions of ordinary check valve has good flame retardancy, conductive performance is good, compact structure, prevent oil, safe and reliable, etc. With the development of metallurgical industry. Stainless steel swing check valve with oxygen is special ball valve is widely used in steel, metallurgy, medicine, chemical industry, etc

(1) chemical, petrochemical production of weak corrosive materials, such as: water, ammonia, oil, hydrocarbons, etc.

(2) Corrosive materials in chemical production, such as: caustic soda, soda, concentrated dilute sulfuric acid, carbonic acid, acetic acid, ester acid, etc.

(3) cryogenic materials in refrigeration, such as: liquid methane, liquid ammonia, liquid oxygen and various refrigerants.

(4) light industrial food, pharmaceutical production of health requirements of materials, such as: beer, beverages, dairy products, food pulp medical supplies.

(5) High efficiency and precision filters of various special processes.

I. main technical parameters of oxygen special check valve

Nominal pressure	1.6	2.5	4.0	6.4	10.0	16.0
strength test	2.4	3.8	6.0	9.6	15.0	24.0
Water seal test	1.8	2.8	4.4	6.4	10.0	16.0
Airtight seal test	0.4-0.7

II.Materials for main parts of oxygen special check valve

Body, cover and plate	Guide sleeve	Pin shaft	Gaskets	Sealing surface	Medium temperature℃	Applicable medium
WCB	WCB	1Cr13	Flexible graphite 1Cr13/Flexible graphite Stainless steel/Acid asbestos PTFE The tooth type Gaskets	13Cr STL Body material nylon	≤425	Steam oil products
WC6	WC6				≤540
WC9	WC9				≤570
ZGCr5Mo	2GCr5Mo				≤550
ZG1Cr18Ni9Ti	ZG1Cr18Ni9Ti	1Cr18Ni9Ti			≤200	Acetic acid class
ZG1Cr18Ni12 Mo2Ti	ZG1Cr18Ni12 Mo2Ti	1Cr18Ni12 Mo2Ti			≤200	Acetic acid class

III.Main dimensions of oxygen special check valve

DN	L	D	D1	D2	D6	b	n-φd	H	Weight
H44H H44W H44Y 16 16P 16R
50	230	160	125	100	-	16	4-18	136	16
65	290	180	145	120	-	18	4-18	142	20
80	310	195	160	135	-	20	8-18	165	29
100	350	215	180	155	-	20	8-18	180	32
125	400	245	210	185	-	22	8-18	210	65
150	480	280	240	210	-	240	8-23	233	98
200	495	335	295	265	-	26	12-23	304	160
250	622	405	355	320	-	30	12-25	348	255
300	698	460	410	375	-	30	12-25	390	295
350	850	520	470	435	-	34	16-25	430	-
400	914	580	525	485	-	36	16-30	468	388
500	1150	705	650	608	-	44	20-34	525	-
Oxygen special check valve H44H H44W H44Y 25 25P 25R
50	230	160	125	100	-	20	4-18	160	21
65	290	180	145	120	-	22	8-18	175	28
80	310	195	160	135	-	22	8-18	185	37
100	350	230	190	160	-	24	8-23	220	56
125	400	270	220	188	-	28	8-25	248	92
150	480	300	250	218	-	30	8-25	276	129
200	533	360	310	278	-	340	12-25	350	210
250	622	425	370	332	-	36	12-30	410	295
300	711	485	430	390	-	40	16-30	430	368
350	850	550	490	448	-	44	16-34	518	-
400	864	610	550	505	-	48	18-34	560	460
500	1150	730	660	610	-	52	20-41	618	-
Oxygen special check valve H44H H44W H44Y 40 40P 40R 40I
50	230	160	125	100	88	20	4-18	160	25
65	290	180	145	120	110	22	8-18	175	30
80	310	195	160	135	121	22	8-18	185	38
100	350	230	190	160	150	24	8-23	220	57
125	400	270	220	188	176	28	8-25	248	90
150	480	300	250	218	204	30	8-25	270	150
200	533	375	320	282	260	38	12-30	350	220
250	622	445	385	345	313	42	12-34	410	360
300	711	510	450	408	364	46	16-34	430	440
350	838	570	510	465	422	52	16-34	518	500
400	864	655	585	535	474	58	16-41	560	580
Oxygen special check valve H44H H44W H44Y 64 64P 64R 64I
50	300	175	135	105	88	26	4-23	177	30
65	340	200	160	130	110	28	8-23	197	40
80	380	210	170	140	121	30	8-23	212	50
100	430	250	200	168	150	32	8-25	248	80
125	500	295	240	202	176	36	8-30	296	120
150	550	340	280	240	204	38	8-34	330	180
200	650	405	345	300	260	44	12-34	385	250
250	775	470	400	352	313	48	12-41	445	380
300	900	530	460	412	364	54	16-41	474	510
350	1205	595	525	475	422	60	16-41	514	690
400	1150	670	585	525	474	66	16-48	616	1010
Oxygen special check valve H44H H44W H44Y 100 100P 100R 100I
50	300	195	145	112	88	28	4-25	210	31
65	340	220	170	138	110	32	8-25	227	41
80	380	230	180	148	121	34	8-25	235	52
100	430	265	210	172	150	38	8-30	274	83
125	500	310	250	210	176	42	8-34	307	125
150	550	350	290	250	204	46	12-34	347	195
200	650	430	360	312	260	54	12-41	402	230
250	775	500	430	382	313	60	12-41	432	450
300	900	585	500	442	364	70	16-48	484	740