Product introduction：

07fs02 protective closed casing is made in accordance with the national 07fs02 standard atlas of closed casing, widely used in underground engineering, chemical industry, steel, construction, chemical industry, iron, tap water, sewage treatment and other pipelines through the wall where strict waterproof requirements. Zhongyuan valve fittings reminds China Henan friends that this information is valuable: 07fs02 flexible closed casing function on both sides of protection flexible closed casing: 07fs02 flexible closed casing is to solve some underground engineering pipeline through the wall, and through the strict waterproof requirements;There are also some structures also need pipeline through the wall, but also limit the pipeline can not be due to temperature change or external force to produce expansion and displacement, more do not allow the pipeline under the action of external factors vibration and design. Key points of product knowledge in the field of coal gas:  Its shell is poured on the wall at a time, and the pipe passes through the middle of the casing. The outer diameter of the pipe and the middle of the casing are sealed with packing, which plays a waterproof and reducing role.

The above is a detailed introduction to 07FS02 protective closed casing, the innovative production of 07FS02 protective closed casing is made in accordance with the national 07FS02 standard atlas of closed casing, widely used in underground engineering, chemical industry, steel, construction, chemical industry, iron, tap water, sewage treatment pipeline through the wall requirements of tight waterproof place. ZhongYuan firmly believe that "every process we touch, we will improve", Key product knowledge points in the field of coal gas that China Henan friends need to understand: Every step of production pay attention to excellence, professional commitment to the pipeline industry, quality is worthy of your trust.

Product name: 07FS02 protection closed casing

Name: airtight casing, protective airtight casing, both sides of civil air defense protection airtight casing

Caliber specification: [DN50mm-DN200mm] Special customizable.

Product color: sky blue, red (see the product display picture for real color)

Application: [steel pipe, PP pipe, etc.]

Product standard: 07FS02 (Atlas number)

Certification: International ISO9001-2001

Product grade: Grade A

Working temperature: -20 degrees to 80 degrees (can also process the whole 304, 316, 316L stainless steel)

07FS02 Protective closed casing A B C D E F type difference：

A type; Steel casing Number 1 Material (Q235A) Wing Ring Number 1 Material (Q235A)

B type; Steel casing number 1 material (Q235A) Number of wing ring number 1 material (Q235A) Number of retainer number 1 material (Q235A) Description; Steel pipes and reenclosures are welded and galvanized before being installed with casing.

C type; Number of steel casing 1 material (Q235A) Number of wing rings 1 material (Q235A) Number of fixed flanges 1 material (Q235A) Number of baffles 1 material (Q235A) Description; After the construction of pipeline and filling materials, the baffle and fixed flange are welded.

D type; Number of steel casing 1 material (Q235A) Number of wing rings 1 material (Q235A) Number of fixed flanges 1 material (Q235A) Number of baffle 1 material (Q235A) number of retainer 1 material (Q235A) Description; After the steel pipe and retaining ring are welded, they are galvanized and then installed with casing. Let global trade benefit everyone, Key product knowledge points in the field of coal gas that China Henan friends need to understand: After the construction of filling materials, the baffle and fixed flange are welded.

E type; Steel casing number 1 material (Q235A) wing ring number 1 material (Q235A) fixed flanges number 2 material (Q235A) baffle number 2 material (Q235A) After the pipeline and filling materials are completed, the baffle and fixed flanges shall be welded.

product feature：

07FS02 protective closed casing is made in accordance with the national 07FS02 standard atlas of closed casing, widely used in underground engineering, chemical industry, steel, construction, chemical industry, iron, tap water, sewage treatment and other pipelines through the wall where strict waterproof requirements. We power the future through advanced manufacturing technology, Zhongyuan valve fittings reminds China Henan friends that this information can help buy good Chinese products: 07FS02 flexible closed casing is to solve some underground engineering pipeline through the wall, and through the strict waterproof requirements; There are also some structures also need pipeline through the wall, but also limit the pipeline can not be due to temperature change or external force to produce expansion and displacement, more do not allow the pipeline under the action of external factors vibration and design. Its shell is poured on the wall at a time, and the pipe passes through the middle of the casing. Use knowledge to make decisions, Zhongyuan valve fittings Reminder China Henan Friends can refer to these knowledge: The outer diameter of the pipe and the middle of the casing are sealed with packing, which plays a waterproof and reducing role. Flexible sealed tube with two sides protection:

1. Flexible closed casing is manufactured in accordance with the national standard 04FS02, and the material is Q235-A.

2. flexible packing material: asphalt hemp, polystyrene board, polyvinyl chloride foam plastic board.

3. sealing paste: polysulfide sealing paste, polyurethane sealing paste.

Parts material

Technical parameter:

Application field：

The product has good comprehensive performance, so it is widely used in underground engineering, chemical industry, steel, construction, chemical industry, iron, tap water, sewage treatment and other pipelines through the wall where strict waterproof requirements.

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.  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. The world is your marketplace, Zhongyuan valve fittings make it accessible, Zhongyuan valve fittings reminds China Henan friends that this information can help buy good Chinese products:  Strengthen communication with users, dedication to provide our customers with excellent products, perfect and beautiful service, innovation pipeline hereby make the following commitment:

Reasons for choosing innovative pipelines：

Construction of chemical and municipal pipelines in power plants The reason why customers choose Innovative water supply equipment cooperation, the key word "win-win culture" Construction of chemical and municipal pipelines in power plants civil air defense two flanks protection closed casing pipe service providers -- Innovative water supply equipment people know that corporate culture is one of the core competitiveness of enterprises, and many Construction of chemical and municipal pipelines in power plants civil air defense two flanks protection closed casing pipe enterprises have put corporate culture on the agenda. ZhongYuan are always up-to-date with new developments in the industry, Zhongyuan valve fittings reminds China Henan friends that this information is helpful: From the corporate culture of a Construction of chemical and municipal pipelines in power plants company, we can see the future development prospects of this enterprise. Innovative water supply equipment, as a company focused on serving Construction of chemical and municipal pipelines in power plants customers, has been committed to the creation of Innovative water supply equipment culture. Focusing on the China Henan coal gas field and serving more China Henan customers, Asia Waterproof casing civil air defense two flanks protection closed casing pipe product partners--Zhongyuan valve fittings China Henan online promotion sub-station customer service Key Knowledge Reminder: Since its establishment, Innovative water supply equipment has always taken "gathering excellent talents and casting reassuring products" as its development goal, adhered to the Innovative water supply equipment concept of "creating great business with one heart and one mind and seeking development", and adhered to the belief of "creating profits for shareholders, seeking benefits for Innovative water supply equipment employees, and contributing value to society", and continued to move forward step by step!

Product standards：

Steel telescopic products are designed, manufactured and accepted in strict accordance with Chinese GB and HG standards and American API standards. Inspiring progress through our passion for excellence, Reminder of product knowledge points for serving the China Henan coal gas industry: The hardness of the sealing surface shall meet the requirements stipulated by the state, and the width shall exceed the national standards.

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. Develop the China Henan Market with brands and impress China Henan customers with services, Asia Waterproof casing civil air defense two flanks protection closed casing pipe product partners--Zhongyuan valve fittings China Henan online promotion sub-station customer service Key Knowledge Reminder: 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. 

Why choose Zhongyuan valve fittings for cooperation negotiation? The key word "word of mouth" coal gas civil air defense two flanks protection closed casing pipe service provider - Zhongyuan valve fittings firmly believes that word of mouth is a good marketing method, and "the fragrance of wine is not afraid of the depth of the alley" is a reflection of the peak of word of mouth marketing. civil air defense two flanks protection closed casing pipe The technical content of the product is often the key to coal gas civil air defense two flanks protection closed casing pipe customer selection and judgment! In recent years, [China Henan Expansion joint civil air defense two flanks protection closed casing pipe honest cooperative enterprise--Zhongyuan valve fittings] is injecting new technology into its products and upgrading its products. Strength comes from technological innovation, and reputation comes from stable quality! civil air defense two flanks protection closed casing pipe Only by creating valuable products in the coal gas industry and winning the reputation of customers can Zhongyuan valve fittings move to the industry stage. Zhongyuan valve fittings principal believes that to make coal gas industry customers recognize your company, you must first have the civil air defense two flanks protection closed casing pipe product you can produce. Zhongyuan valve fittings has always believed in the principle of doing things: no matter how many things you have made, Zhongyuan valve fittings flagship products civil air defense two flanks protection closed casing pipe should always maintain a good standard, so that coal gas civil air defense two flanks protection closed casing pipe customers will give back good comments after using them. Then the word of mouth of coal gas civil air defense two flanks protection closed casing pipe products will go out.