In the Second World War, Nizhny Novgorod's military industry developed rapidly and became one of the Soviet Union's heavy weapons depots. It was renamed Gorky in 1932 and restored to its old name after the collapse of the Soviet Union in 1991.Eastern Europe Waterproof casing friends, look at rest assured enterprises Zhongyuan valve fittings Lower Novgorod overseas product promotion station, the Lower Novgorod region common sense compiled by the editor: The machinery industry in Nizhnevgorod is the leading industry, accounting for more than 70% of the industrial output value. Its products include automobiles, ships, aircraft, military products and hangars. The oil processing, paper making and food industry in Nizhnovgorod are also well developed.Waterproof casing The manufacturer Zhongyuan valve fittings is located in Asia, bordering the Pacific Ocean, and the China-EU train runs through the country. Zhongyuan valve fittings has a service team for Eastern Europe Waterproof casing customers, which can provide reliable Waterproof casing Heat solutions for Lower Novgorod Waterproof casing customers!

      Built-in duck bill valve

      Gongyi Zhongyuan Innovation Pipeline Equipment Co., Ltd. produced duck valve commonly known as: rubber blowdown check valve, rubber check valve, built-in duck valve, etc.  Today's widely used xh81, xh81a, xh41, xh41a rubber blowdown check valve (Spain called "duck-bill flexible check valve";  The United States called "duck bill rubber flat mouth valve") is in Spain ross valve company, the United States Red Valve company production on the basis of the summary, exemplary, revolutionary redesign.

      ZhongYuan tailor our products,people and services to meet the specific location and environmental requirements of our customers. Customers from Lower Novgorod, hello! Today is 2023-08-31. Since the ZhongYuan website http://www.xdguandao.com was built, you are the 45126th visitor to ZhongYuan enterprise! Zhongyuan valve fittings has been committed to technological innovation and product building in the space flight field since its establishment, and has accumulated to provide well-designed [Built-in duck bill valve] products for many customers!
       

      Product introduction
      Gongyi Zhongyuan Innovation Pipeline Equipment Co., Ltd. produced duck valve commonly known as: rubber blowdown check valve, rubber check valve, built-in duck valve, etc.  Today's widely used xh81, xh81a, xh41, xh41a rubber blowdown check valve (Spain called "duck-bill flexible check valve";  The United States called "duck bill rubber flat mouth valve") is in Spain ross valve company, the United States Red Valve company production on the basis of the summary, exemplary, revolutionary redesign. Turning ideas into reality with expert manufacturing, Key product knowledge points in the field of space flight that Lower Novgorod friends need to understand: We are committed to constantly improve the rubber blowdown check valve (duck-billed flexible check valve) function, improve performance, so that the valve strength, toughness, sealing is greatly improved, the valve without any moving components, free from any maintenance. We make the buying process simple and our products easy to use, Key points of product knowledge in the field of space flight: The valve can be straight pipe, flange pipe, cement pipe, glass steel pipe supporting, the valve is widely used in coast, beach, wharf, reservoir, municipal flood discharge, sewage, it can be described as environmental protection and green valve, the valve replaces the knock door check valve, thoroughly solve the knock door easy to be silt, silt, stone, vegetation, Marine life blocking problem.

      Product advantage:

      Innovative built-in duck-bill valve with all-rubber structure, corrosion resistance, long service life, good results. And provide tight seal, anti backflow, backflow, maintenance free. Key product knowledge points in the field of space flight that Lower Novgorod friends need to understand: The duck nozzle valve is mainly used in sewage discharge system, pump outlet lifting pump station and liquid aeration system.


      Product feature

      Duck-bill valve cost is low, such as the use of appropriate rubber raw materials longer than the metal check valve, easy installation, flexible installation, can be repaired. The strategy comes from knowledge integration, Lower Novgorod Expansion joint Built-in duck bill valve honest cooperative enterprise--Zhongyuan valve fittings customer service Key Knowledge Reminder: Disadvantages: the rubber body is not suitable for long-term outdoor operations, the use of high quality rubber can not avoid aging phenomenon.


      Main technical parameters of built-in duck valve:

      (DN)
      (DW)
      (XL-T)
      (l)
      (h)
      (D)   1.0MPa
      Dw

       

      Do
      100
      108
      108
      XL100-150-T
      220
      150
      210
      114
      114
      150
      159
      159
      XL150-200-T
      320
      200
      265
      168
      168
      200
      219
      219
      XL200-280-T
      440
      280
      340
      250
      273
      273
      XL250-360-T
      600
      360
      395
      300
      325
      325
      XL300-420-T
      700
      420
      445
      350
      377
      377
      XL350-480-T
      880
      480
      505
      400
      426
      426
      XL400-540-T
      1000
      540
      565
      450
      480
      480
      XL450-600-T
      1120
      600
      615
      500
      530
      530
      XL500-660-T
      1300
      660
      670
      600
      630
      630
      XL600-760-T
      1420
      760
      780
      700
      720
      720
      XL700-880-T
      1600
      880
      895
      800
      820
      820
      XL800-980-T
      1800
      980
      1015
      900
      920
      920
      XL900-1100-T
      2000
      1100
      1115
      1000
      1020
      1020
      XL1000-1200-T
      2300
      1200
      1230
      1200
      1220
      1220
      XL1200-1400-T
      2580
      1400
      1455

      Innovative pipeline product services:

      Professional manufacturing, professional service, innovation pipeline for you to create more value!

      Continuous improvement of service quality, excellence, "sincere service" is the innovation pipeline has been firmly believed in the goal.  The success of Lower Novgorod customers is always be the goal ZhongYuan pursue, Zhongyuan valve fittings reminds Lower Novgorod friends that this information is helpful: Innovation pipeline in strict accordance with ISO9001-2000 quality system certification requirements, strict quality control, responsibility to people, to ensure the healthy operation of production, sales, service.  Strengthen communication with users, dedication to provide our customers with excellent products, perfect and beautiful service, innovation pipeline hereby make the following commitment:


      Product standards:

      Steel telescopic products are designed, manufactured and accepted in strict accordance with Chinese GB and HG standards and American API standards. The strategy comes from knowledge integration, Zhongyuan valve fittings reminds Lower Novgorod friends that this information can help buy good Chinese products: The hardness of the sealing surface shall meet the requirements stipulated by the state, and the width shall exceed the national standards.


      Reasons for choosing innovative pipelines:

      Why choose Innovative water supply equipment for cooperation negotiation? The core point of "win-win culture" Construction of chemical and municipal pipelines in power plants Built-in duck bill valve service provider - Innovative water supply equipment advocates "win-win cooperation", which is about achieving win-win both internally and externally. Internally, it is Innovative water supply equipment employees themselves. Think what you want, do what you need, Key Knowledge Points for Related Products in the space flight Industry that Lower Novgorod Friends Need to Understand: The company creates a good atmosphere, ambitious goals, creates a comfortable Innovative water supply equipment cultural environment, employees achieve their own career goals and growth, and Innovative water supply equipment achieves their interests goals, which is a virtuous circle of "win-win cooperation". Providing customer-oriented solutions is Zhongyuan valve fittings's strength, Zhongyuan valve fittings reminds Lower Novgorod friends that this information is valuable: Externally, Innovative water supply equipment creates good Construction of chemical and municipal pipelines in power plants Built-in duck bill valve products and services, and customers gain recognition and provide good service experience for Construction of chemical and municipal pipelines in power plants customers, which is also "win-win", and the sense of trust is further strengthened. This is Innovative water supply equipment complementary ecological win-win.


      Instructions for purchasing innovative pipeline products:

      1、 Product Material Description: Due to the possibility of scratches or dirt on the surface of materials during transportation or distribution, and the possibility of surface oxidation or insufficient aesthetics during storage, the images and physical objects may also differ. Our manufacturer will definitely make our products more aesthetically pleasing, using high-quality raw materials for production. We always offer the right solution, even if it's not clear at first, Reminder of product knowledge points for serving the Lower Novgorod space flight industry: Our manufacturer promises that our products are of high quality and affordable, and are entirely a customer's choice. If you have other models or specifications of products, you can contact our customer service online or consult us when purchasing

      2. Shipping instructions: 

      1. Due to the unique nature of the materials, all materials are shipped after payment by the customer, and are specially customized products for the customer. Once sold, there are no returns or exchanges for non material or quality issues! Please understand. 

      2. Please provide a clear description of the specific specifications, nominal diameter, working pressure, medium to be conveyed, quantity, and required performance of the required product before shopping. The main reasons for doing so are: 

      1) Ensure that the product prices quoted by the manufacturer are correct and accurate; 

      2) For customers, it provides protection for their own interests and prevents them from misquoting product prices, causing economic losses for both parties and causing unpleasantness for everyone; 

      3) Once the customer has made a decision and both parties sign a contract, the products produced by the manufacturer can meet the actual needs of the customer. 

      3. If the customer did not provide a clear description, the seller will not assume any responsibility in the event of a dispute! Please understand!


      Pre-sale services:

      Product introduction, technical exchange, non-standard product design, troubleshooting.

      In sales service:

      1. Maintain a trustworthy contract, ensure timely supply, and keep in touch with customers at all times. 

      2. For special or complex products, our factory arranges technical personnel to provide training and guidance to users on product use, troubleshooting, adjustment, and maintenance.

      After-sale service:

      1. The warranty period for innovative pipeline products is 12 months from the factory, and the "three guarantees" service (product quality issues) is implemented. 

      2. Our factory regularly organizes technical and inspection personnel to visit our products during use, seeking feedback from users on product quality, usage status, improvement opinions, and other aspects, in order to further improve product quality. 

      3.Quickly respond to customer complaints about product quality issues 

      4. For after-sales service, users are required to fill out the quality feedback form after the service and provide appraisal opinions, in order to jointly improve the product and service quality of the innovation pipeline.


      Order Information:

      1. The customer has special requirements for the product and must provide the following instructions in the order contract:

      1) Structure length; 

      2) Connection form; 

      3) , nominal diameter, full diameter, reduced diameter, pipeline size; 

      4) Medium used and temperature and pressure range; 

      5) Our factory can customize and design special products according to customer specific requirements for experiments, inspection standards, and other requirements. 

      2. Our company can customize and design special products according to customer specific requirements. 

      3. If the customer provides the determined product type and model, the customer should correctly explain the meaning and requirements of the model, and sign the contract on the condition of mutual understanding between the supply and demand parties. 

      Lower Novgorod Expansion joint Built-in duck bill valve honest cooperative enterprise--Zhongyuan valve fittings, based on the advantages of space flight industry, focuses on "win-win cooperation" space flight Built-in duck bill valve service provider -- Zhongyuan valve fittings's business philosophy can be summarized into eight words "honesty based, win-win development". Zhongyuan valve fittings has always implemented this concept well for both its internal employees and its external Built-in duck bill valve partners, thus gaining long-term good business reputation and cooperative relations in the space flight field and promoting the stable development of Zhongyuan valve fittings.


      Chinese products, serving the world! In the era of intelligent manufacturing, the craftsman spirit is not outdated, and its essence is to do things and wholeheartedly. Lower Novgorod Expansion joint Built-in duck bill valve honest cooperative enterprise--Zhongyuan valve fittings has been dedicated to China high-quality products for many years, sticking to the space flight field, and polishing "craftsman" level talents on Built-in duck bill valve! Innovation is the spark of progress.



      ZhongYuan takes Lower Novgorod friends to see China! Today, Chinese culture continues to influence people around the world through its cuisine, martial arts, music, and festivals.



      There are many historical and cultural heritages in China.
      Zhongyuan valve fittings believe these cultural stories with a long history are attractive enough to make Lower Novgorod friends interested in Chinese Built-in duck bill valve products.


      Lower Novgorod friends are drawn to these aspects of Chinese culture:


      The Maijishan Grottoes, located in Tianshui City, Gansu Province, China, are a magnificent example of Chinese Buddhist art and architecture. The grottoes were first built during the Eastern Jin Dynasty (317-420 AD) and continued to be expanded and embellished over the course of hundreds of years, eventually becoming one of the largest grotto complexes in China. Today, the Maijishan Grottoes are a UNESCO World Heritage Site and a must-see destination for travelers interested in Chinese history and culture.

      The Maijishan Grottoes are carved into the side of a mountain, which rises dramatically above the surrounding landscape. Visitors must ascend a winding path up the mountain to reach the grottoes, which gives them a sense of awe and reverence before they even step foot inside. The majestic beauty of the mountain setting also serves to enhance the spiritual significance of the grottoes themselves.
      Inside the grottoes, visitors will find a treasure trove of Buddhist art and architecture. There are over 7,000 statues and more than 1,000 square meters of murals spread across 194 caves. The statues range from small, intricate carvings to large, imposing figures that span an entire room. Many of the statues are painted in vivid colors and adorned with gold leaf, creating a breathtaking visual display.

      Built-in duck bill valve friends of international come to browse some of ZhongYuan water supply equipment's customer feedback and product questions and answers:
      Barbuda friends who have purchased Built-in duck bill valve
      The quality is satisfactory. Built-in duck bill valve is in normal use and is very good.
      Nigeria friends who have cooperated with Built-in duck bill valve
      Very good quality, very easy to use, very satisfied.
      Built-in duck bill valve customer of Indonesia
      The contract in Construction of chemical and municipal pipelines in power plants is relatively deep and cautious, but the contract with ZhongYuan water supply equipment is executed fairly well, without any mess.

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