Corrosion Resistant Bronze Silent Check Valve Spring Loaded Noise Reduction Inline Valve for Seawater and Marine Use

Product Description

Product Description
The H76 Wafer Single-Plate Swing Check Valve is a highly efficient check valve designed for industrial piping systems. Featuring a compact structure, lightweight design, and simple operation, this valve is widely used to prevent backflow of medium and protect equipment such as pumps and compressors. Its single-plate design allows for fluid-driven opening and closing, ensuring excellent sealing performance and compatibility with various mediums, including water, steam, oil, and mild acidic/alkaline solutions.
Product Parameters

Parameter	Value
Product Name	H76 Wafer Single-Plate Swing Check Valve
Design Standard	API 594, GB/T 12236
Structure Type	Wafer Single-Plate Design
Driving Mode	Medium-Driven
Nominal Diameter	DN40 ~ DN600
Nominal Pressure	PN10 / PN16 / PN25 / Class 150 / Class 300
Applicable Temperature	-196°C ~ 425°C
Applicable Medium	Water, Steam, Oil, Acidic Medium, Natural Gas, etc.
Body Material	Carbon Steel (WCB), Stainless Steel (CF8/CF8M), Alloy Steel
Sealing Type	Hard Seal (Welded Alloy), Flexible Graphite Packing
Connection Type	Wafer Connection
Test & Inspection Standard	API 598, GB/T 13927
Applications	Power Plants, Petrochemical, Natural Gas, Chemical Industry, Water Treatment
Certifications	ISO 9001, CE, API 6D

DN Dimensions Table1.0MPa

Nominal Diameter DN	L	D	D2	D3	Bolt Hole Center Circle Diameter D1	Number of Bolts	Bolt Diameter d	Bolt Length L1
50	60	108	51	56	125	4	16	150
65	67	128	65	73	145	4	M16	155
80	73	142	80	88	160	8	M16	160
100	73	162	102	108	180	8	M16	165
125	83	192	127	132	210	8	M16	180
150	98	218	152	160	240	8	M20	205
200	127	273	203	210	295	8	M20	235
250	146	328	254	266	350	12	M20	255
300	181	378	305	310	400	12	M20	290
350	184	438	350	355	455	16	M20	295
400	198	489	400	405	515	16	M24	310
450	203	539	450	455	565	20	M24	325
500	219	594	500	505	620	20	M24	345
600	222	696	600	605	725	20	M27	355
700	305	811	695	700	840	24	M27	440
800	305	918	796	800	950	24	M30	470
900	368	1018	898	903	1050	28	M30	520
1000	432	1124	1050	1055	1160	28	M33	590
1200	524	1340	1200	1205	1380	32	M36	695

1.6MPa

Nominal Diameter DN	L	D	D2	D3	Bolt Hole Center Circle Diameter D1	Number of Bolts	Bolt Diameter d	Bolt Length L1
50	60	108	51	56	125	4	M16	150
65	67	128	65	73	145	8	M16	155
80	73	142	80	88	160	8	M16	160
100	73	162	105	108	180	8	M16	165
125	83	192	127	132	210	8	M20	180
150	98	218	152	160	240	8	M20	205
200	127	273	203	210	295	12	M20	235
250	146	329	254	266	355	12	M24	265
300	181	383	305	310	410	12	M24	305
350	184	444	350	355	470	16	M24	310
400	198	498	400	405	525	16	M27	330
450	203	558	450	455	585	20	M27	345
500	219	618	500	505	650	20	M30	370
600	222	732	600	605	770	20	M33	380
700	305	802	695	700	840	24	M33	470
800	305	912	796	800	950	24	M36	475
900	368	1012	898	903	1050	28	M36	545
1000	432	1126	1050	1055	1170	28	M39	620
1200	524	1340	1200	1205	1390	32	M45	735

2.5MPa

Nominal Diameter DN	L	D	D2	D3	Bolt Hole Center Circle Diameter D1	Number of Bolts	Bolt Diameter d	Bolt Length L1
50	60	108	51	56	125	4	M16	150
65	67	128	65	73	145	8	M16	160
80	73	142	80	88	160	8	M16	170
100	73	168	102	108	190	8	M20	180
125	83	194	127	132	220	8	M24	205
150	98	224	152	160	250	8	M24	220
200	127	284	203	210	310	12	M24	255
250	146	341	254	266	370	12	M27	285
300	181	401	305	310	430	12	M27	325
350	184	458	350	355	490	16	M30	340
400	198	515	400	405	550	16	M33	360
450	203	565	450	455	660	20	M33	375
500	219	622	500	505	660	20	M33	395
600	222	732	600	605	770	20	M36	410
700	305	831	695	700	875	24	M45	500
800	305	942	796	800	990	24	M45	520
900	368	1040	898	903	1090	28	M45	590
1000	432	1155	1050	1055	1210	28	M52	675
1200	524	1365	1200	1205	1420	32	M52	790

FAQ

Q: Can we visit your factory to inspect the products in person?

A: Of course, you are welcome to visit. Our products are built to withstand scrutiny, and we are very happy to have you here. We look forward to establishing a long-term trade partnership with you!

Q: Can you customize the products according to the specifications and appearance I require?

A: Yes, we can adjust our production lines to meet your required specifications and product appearance, including color.

Q: What if there is no Chinese translator when we visit the factory?

A: We will hire relevant translators based on your language needs to ensure smooth and efficient communication.

Q: What market share do your products occupy in China?

A: From 2021 to 2024, our company's annual turnover ranged from 50 million to 100 million RMB, capturing a large share of the Chinese market.

Q: What are your competitive advantages compared to other companies in the industry?

A: Brand reputation. Our company does not compete on price, but rather on quality. We invest substantial funds into production materials, advanced equipment, and skilled technicians, focusing on building a strong brand image and a positive company reputation, rather than engaging in price competition.

Company Profile Quality (Shandong) Industrial Automation Co., Ltd. is located in Zibo City, Shandong Province, China, an area rich in cultural heritage, with a strong industrial foundation and a high level of production concentration. We are a high-tech valve manufacturing enterprise integrating design and development, manufacturing and installation, sales and service, technical communication, and international trade.
Based on conventional valves, the company actively applies new technologies, materials, and processes to research and manufacture various high-end valves, as well as general high and medium-pressure gate valves, globe valves, check valves, ball valves, etc. All products are designed, manufactured, and processed according to standards such as GB, ANSI, API, JIS, DIN, and BS. Additionally, we are capable of researching, designing, and developing high-performance special valves and non-standard products based on customer needs.
Our products are widely used in industries such as petroleum, chemical engineering, metallurgy, and power generation, and are suitable for various complex working conditions such as high temperature, high pressure, sulfur resistance, corrosion resistance, and erosion resistance.

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EXHIBITION

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