Swing Check Valves

Swing check valve is also called one-way valve or check valve, its function is to prevent the medium in the pipeline from flowing back. The valve that opens or closes on its own by the flow and force of the medium to prevent the medium from flowing back is called a check valve.

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Product Description

Product Description

● Swing Check Valves

Swing check valves belong to the category of automatic valves, which are mainly used in pipelines where the medium flows in one direction, and only allow the medium to flow in one direction to prevent accidents. This type of valve should generally be installed horizontally in the pipeline.

● Swing Check Valve Use

Swing check valve is suitable for

Nominal pressure PN1.0MPa~42.0MPa, Class150-2500;

Nominal diameter DN15~1200mm, NPS1/2~48;

Working temperature-196~540℃ in various pipelines, used to prevent the medium from flowing back.

By selecting different materials (WCB, CF8(M), CF3(M), 1Gr5Mo, 15CrMo1V, it can be applied to water, steam, oil, nitric acid, acetic acid, strong oxidizing media and urea and other media. Mainly used in Petroleum, chemical, pharmaceutical, fertilizer, power and other pipelines.

● Material Of Main Parts of Swing Check Valve

Boby	Cap	Disc	Seat	Medium	Temperature (≤℃)
WCB		WCB+D507Mo	WCB+D577	Water, Oil, Steam	425
ZG1Cr18Ni9Ti		0Cr18Ni9+ Stellite12	0Cr18Ni9+ Stellite6	Selling Acids	200
ZG1Cr18Ni2Mo2Ti		CF8M+Stellite12	ZG1Cr18Ni2Mo2Ti	Phosphoric Acid, Mixed Acid, etc.	200
ZG00Cr17Ni14Mo2		CF3M+Stellite12	CF3M+Stellite6	Urea, Phosphoric Acid, etc.	200
ZG1Cr5Mo		ZG1Cr5Mo+ Stellite12	ZG1Cr5Mo+ Stellite6	Water, Oil, Steam	550

● Swing Check Valve Performance Specification

Test Pressure	Nominal Pressure（ MPa ）
Test Pressure	1. 0	1.6	2.5	4.0	6.4
Shell Test	1. 5	2.4	3.75	6.0	9.6
Sealing Test	1. 1	1.76	2.75	4.4	7.1
Body Material	WCB(C)	CF8(P), CF 8M (R)		WC6, WC9
Operating Temperature	≤ 425℃	≤ 100℃	≤ 100℃	≤ 550℃	≤ 550℃
Applicable Medium	Water, Steam, Oil	Nitric Acid	Acetic Acid	Water, Steam	Water, Steam

● Swing Check Valve Size

Nominal Diameter DN/mm	Main External Dimensions And Connection Dimensions
Nominal Diameter DN/mm	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

Nominal Diameter DN/mm	Size/mm(H44H-64 H44W-64 H44W-64P H44W-64R H44W-64I)									WT/kg
Nominal Diameter DN/mm	L	D	D1	D2	D6	b	Z-∮d	D3	H	WT/kg
DN50	300	175	135	105	88	26	4-∮23	200	177	27
DN65	340	200	160	130	110	28	8-∮23	225	197	37
DN80	380	210	170	140	121	30	8-∮23	250	212	53
DN100	430	250	200	168	150	32	8-∮25	315	248	90
DN125	500	295	240	202	176	36	8-∮30	365	298	135
DN150	550	340	280	240	204	38	8-∮34	410	330	187
DN200	650	405	345	300	260	44	12-∮34	480	385	212
DN250	775	470	400	352	313	48	12-∮41	565	445	403

● Main Production Process - Swing Check Valves

Swing Check Valves

Packaging, Shipping And Payment

According to the quantity, you can choose cloth bag packaging, pallet packaging, wooden box packaging, etc.

The shipping port can be selected as follows: TianJin, ShangHai or NingBo; ZhengZhou, ChongQing, Shijiazhuang, etc.

Payment method: L/C, D/C, D/P, T/T, Western Union, MoneyGram, etc.

About Us

Hebei Youyi Machinery Tech Co., LTD is a comprehensive enterprise integrating research and development, manufacture and sales which provides one-stop service and solution for water, gas, oil, heating and refrigeration systems of the global market.

Rich technical force, leading development concept and strict management system of quality control and perfect after-sale service, have established the solid foundation for high quality products. There are about 100 series of products: GB, API, DIN, JIS, GOST standard gate valve, globe valve, check valve, ball valve, butterfly valve, bottom valve, drain valve, strainer, flange and etc.

The business principle of YOUYI Industry is credit and sincerity. We are eager to get your inquiries and to establish long term mutual benefit cooperation relationship.

Hebei Youyi Machinery Tech Co., Ltd.

Foreign Exchange

We actively participate in various industry exhibitions, exchange meetings, etc., in-depth understanding of industry product dynamics, online communication and on-site inspections, and actively do a good job in product optimization and technical updates to better meet the different needs of customers.

Hebei Youyi Machinery Tech Co., Ltd.

FAQ

Q1.How about your delivery time?

A. Generally, it is 5-10 days if the goods are in stock. It will takes 20-30 days after receiving the deposit, the specific delivery time depends on the items and the order quantity.

Q2: Are you trading company or manufacturer ?

A: We are a manufacturer of Valves and Flanges

Q3: Can you produce according to our own drawings?

A: Yes, pls send your own drawing draft to us.OEM items are welcome.

Q4: Do you provide samples ? is it free or extra ?

A: Yes, we could offer the sample for free charge but do not pay the cost of freight.

Q5: Do you have agent or representative abroad?

A: We don't have the agent abroad. If you are interesting to be our agent and enjoy more price. Pls contact us then we can discuss more detailed.

Q6: Can we print the LOGO on products?

A: Yes, the OEM is available with the permission of our customers.

Q7. what is your payment term?

A: T/T or L/C,if you want any other way,please contact us.