HC42X Vertical Silent Lift Check Valve

The HC42X Silent Lift Check Valve features a vertical lift structure combined with a soft-seal cushioning design. It operates by utilizing the pressure of the flowing medium to drive its opening and closing, while leveraging the weight of the valve disc itself to facilitate a gradual, cushioned closure. This design ensures that the entire operation is free of any harsh metal-to-metal impact, thereby effectively regulating the unidirectional flow of the medium while simultaneously achieving silent operation and preventing water hammer. The valve's core operating principle centers on two key processes: smooth opening during forward flow and silent, cushioned closing during reverse flow. It is ideally suited for vertical piping systems where the medium flows in an upward direction.

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Specification
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Nominal diameter	Length	Connection dimensions (standard values) Flange standard: Ministry of Chemical Industry 20592
Nominal diameter	Length	1.0MPa			1.6MPa			2.5MPa
mm	L	D	D1	n-d	D	D1	n-d	D	D1	n-d
40	120	150	110	4-18	150	110	4-18	150	110	4-18
50	121	165	125	4-18	165	125	4-18	165	125	4-18
65	146	185	145	8-18	185	145	8-18	185	145	8-18
80	181	200	160	8-18	200	160	8-18	200	160	8-18
100	231	220	180	8-18	220	180	8-18	235	190	8-22
125	258	250	240	8-18	250	240	8-18	270	220	8-26
150	269	285	240	8-22	285	240	8-22	300	250	8-26
200	298	340	295	12-22	340	295	12-22	360	310	12-22
250	327	395	350	12-22	405	355	12-26	425	370	12-30
300	360	445	400	12-22	460	410	12-26	485	430	16-30
350	384	505	460	16-22	520	470	16-26	555	490	16-33
400	413	565	515	16-26	580	525	16-30	620	550	16-36
450	469	615	565	20-26	640	585	20-30	670	600	20-36
500	515	670	620	20-26	715	650	20-33	730	660	20-36

The dimensions above are for reference only.

Zhongchi Valve Group Co., Ltd. was established in April 2008. The company is a valve manufacturing enterprise that integrates design, development, production, and sales. It is located in the Binhai Industrial Park of Wenzhou Economic and Technological Development Zone.
The company adheres to the corporate tenet of "quality-oriented, innovation-driven, management-efficient, and service-focused", and upholds the business philosophy of "service-oriented and integrity-abiding". We provide customers with reliable quality assurance through advanced technology and scientific management, offers services with a complete range of products and a short delivery time, and strives to achieve the corporate goal of "building an excellent enterprise and creating a brand in the industry". The company has successively obtained ISO9001 international quality management system certification, ISO14001 environmental management system certification, ISO45001 occupational health and safety management system certification, special equipment manufacturing production license TS certification, CE certification, EAC certification, API607 fire protection certification, and has been recognized as a small and medium-sized technology enterprise in Zhejiang Province and a national high-tech enterprise.
The company's main products include ball valves, gate valves, globe valves, check valves, filters, butterfly valves, etc. These products are widely used in various industries such as petroleum, chemical, natural gas, light industry, electric power, pharmaceuticals, dyes, metallurgy, fiber, leather making, textile, food, military, construction engineering, refrigeration, water supply, and more.