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Home > Products > Stop Valve > Hardware Throttle stop valve

Hardware Throttle stop valve

  • Hardware Throttle stop valve
  • Hardware Throttle stop valve
  • Hardware Throttle stop valve
  • Hardware Throttle stop valve

Hardware Throttle stop valve

    Unit Price: 40~5000 USD
    Min. Order: 1 Piece/Pieces
    Transportation: Ocean

Product Description

Brief introduction

High-pressure angle cut-off throttle valve refers to a valve whose closing member (disc) moves along the center line of the valve seat. According to this movement form of the valve disc, the change of the valve seat opening is directly proportional to the valve disc stroke. Because of the relatively short opening or closing stroke of the valve stem, the valve has a very reliable cut-off function, and because the change of the valve seat opening is proportional to the stroke of the valve flap, it is very suitable for adjusting the flow. Therefore, this type of valve is very suitable for cutting off or regulating and throttling.

Selection Principle

1. Stop valves should be selected for pipelines or devices with high temperature and high pressure medium. Such as thermal power plants, nuclear power plants and high-temperature and high-pressure pipelines of petrochemical systems.
2. Pipelines with lax requirements for convection resistance. That is, where the pressure loss is not considered much.
3. Small valves can be needle valves, instrument valves, sampling valves, pressure gauge valves, etc.
4. There is flow regulation or pressure regulation, but the regulation accuracy is not high, and the pipeline diameter is relatively small. For example, the pipeline with nominal diameter less than or equal to ≤50mm should be selected.
5. High-pressure angle Globe Valve or high-pressure angle throttle valve with nominal pressure of 16MPa for PN160 or 32MPa for PN320 should be selected for small and large fertilizers in synthetic industrial production.
6. For desilication workshop and pipelines prone to coking in Bayer process of alumina production, it is easy to choose DC Stop Valve or DC throttle valve with separated valve body and removable valve seat and cemented carbide sealing pair.
7. For water supply and heating projects in urban construction, cut-off, Balance Valve or plunger valve can be selected for pipelines with smaller nominal diameter, such as pipelines with nominal diameter less than 150 mm. The most obvious advantage is that during the opening and closing process, the friction between the disc and the sealing surface of the valve body is smaller than that of the Gate Valve, so it is wear-resistant. Generally, the opening height is only 1/4 of the diameter of the valve seat channel, so it is much smaller than that of the gate valve. Usually, there is only one sealing surface on the valve body and disc, so the manufacturing technology is better and it is convenient for maintenance.


1. simple structure and convenient manufacturing and maintenance.
2. The working schedule is short, and the opening and closing time is short.
3. Good sealing performance, low friction between sealing surfaces and long service life.

Nominal pressure: PN1.0-25.0Mpa, 150Lb-2500Lb Working temperature: -40-600℃

Nominal diameter: DN15-600CF3M Connection mode: flange, thread, butt welding, socket welding,
NPT material: PVC, ABS, RPP, 304, 316, 304L, 316L, WCB, CF3, CF8, CF3M, CF8M, cast steel, ductile iron, forged steel, stainless steel, copper, etc.

Main parts material part name valve body bonnet disc valve stem cylinder liner packing stud O-ring

Zhejiang Meide Machinery Co.,Ltd

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 Zhejiang Meide Machinery Co., Ltd.-The company is located at No.118, Gaoxin Road, luo feng North Industrial Park, Tangxia Town, Ruian City, Wenzhou, with a building area of 12,000 square meters and an area of 5,000 square meters. There are independent office buildings and independent production workshops in the company. Founded in 1989, the company has a registered capital of 30.68 million and 116 employees. It is a joint-stock cooperative enterprise integrating development, design, manufacturing and sales, with an annual output value of over 100 million yuan. Its products are widely used in petroleum, chemical, pharmaceutical, electric power, municipal environmental protection and other industries. The company's main products include quick opening and closing device, power-assisted cut-off device, water distribution device, metering and Mixing Valve group of high-pressure water distribution mother liquor, wellhead emergency cut-off valve, Stop Valve, regulating valve, Check Valve, Ball Valve, high-temperature Butterfly Valve, flat Gate Valve, etc. Various products can be customized according to user's requirements. Products in the same industry, has a good credit and reputation. The company attaches great importance to product quality management and improvement, and takes the lead in passing IS09001, OHSAS18001, IS014001, A1 certification of national special equipment manufacturing, energy member unit, member unit of China General Machinery and Valve Industry Association, member unit of Wenzhou Pump and Valve Industry Association, member unit of Ruian Machinery Association, quality credit 3A enterprise, and famous brand with excellent quality in China. The company has a number of independently developed high-tech products and won a number of national patents. The company has won honors such as patent demonstration enterprises, provincial new product projects, scientific and technological progress awards, scientific and technological innovation enterprise identification, industrialization projects and so on. Since its inception, the company has attached great importance to product technology, quality and after-sales service. In the spirit of "high-quality products, first-class service, first-class management, first-class team, strict product quality control, not the biggest but the best". The eight-character needle of enterprise spirit is: [Honesty, persistence, innovation and cooperation] We sincerely welcome friends from all walks of life to visit, guide, negotiate and exchange technology. All our staff will sincerely look forward to the joining and cooperation of elites from all walks of life with full enthusiasm to jointly create a better future.

Company Info

  • Company Name: Zhejiang Meide Machinery Co.,Ltd
  • Representative: Liu Wanqun
  • Product/Service: Gate valve , Globe Valve , Ball Valve , Butterfly Valve , Check Valve , Other Valve
  • Capital (Million US $): 30000000RMB
  • Year Established: 1989
  • No. of Production Lines: 60
  • No. of R&D Staff: 5 -10 People
  • No. of QC Staff: Fewer than 5 People
  • Factory Size (Sq.meters): 10,000-30,000 square meters
  • Factory Location: No.118, Gaoxin Road, luo feng North Industrial Zone, Tangxia Town, Ruian
  • Contact Person: Mr. liuxiangdong84
  • Tel: +86-0577-65113808
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