Ductile Iron/Stainless Steel Body and Disc Rubber Seal Swing Check Valve

• Customization: Available
• Media: Water
• Temperature: Low Temperature
• Model NO.: ZGTVT-CHECK VALVE
• Material: Cast Iron
• Connection Form: Clamp
• Structure: Butterfly
• Pressure: Low Pressure
• Function: Ddcv Double Lobe, Nrvr Silence, Sfcv Rubber Lobe, Nrvz Silence, Nrvg Silence
• Sealing Form: Bellows Globe Valve
• Flow Direction: Unidirection
• Standard: GB
• Application: Industrial Usage, Water Industrial Usage, Household Usage
• Body Materials: Iron/Wcb/CF8m/CF8/Al-Bronze
• Disc Materialsnbr/EPDM/PTFE/Viton/Silico: NBR/EPDM/PTFE/Viton/Silicone etc
• End Standard: Pn6/10/16/25/21/150lb/JIS5K/10K/As2129 Table D/E/F
• Face to Face: En558; ISO5752; ANSI B16.10;API594
• Transport Package: Plywood Box
• Specification: 1100mm*1100mm*1100mm
• Trademark: ZGTVT OEM
• Origin: China Tianjin
• HS Code: 8481901000
• Production Capacity: 5000000PCS/Year

Product Description

 

1. Products Description

Technical Parameters:

Size	DN50-DN900
Working pressure	16Bar	10Bar
Shell	24Bar	15Bar
Seal	18Bar	11Bar
Operating Temperature	-10ºC~+120ºC

 Main Material:

Name	Material
Body	Cast Iron  Ductile Iron  Carbon Steel  Stainless Steel  AL-Bronze
Disc	Ductile Iron  Carbon Steel Stainless Steel  AL-Bronze
Pin	Stainless Steel  Monel K500
Seat	BUNA  NBR  EPDM  VITON HEPDM  Neoprene  Hypalon Natural rubber

Drawing:

Tianjin Tanggu General Valve Group Co., Ltd., established in 2023, is a dynamic and rapidly growing enterprise specializing in the design, manufacturing, and distribution of high-quality valves for water systems. Headquartered in Jinnan District, Tianjin, China, the company integrates advanced manufacturing capabilities with decades of industry expertise through its subsidiaries, Tianjin Jiantang Valve Co., Ltd. (founded in 2003) and Tianjin Liwei Valve Co., Ltd. (established in 2018). With a workforce of 45 dedicated professionals, the group has positioned itself as a trusted partner for clients across domestic and international markets, delivering reliable fluid control solutions tailored to diverse industrial needs.

2. Structure and Expertise

 

The group's strength lies in its synergistic collaboration between subsidiaries:

• Tianjin Jiantang Valve Co., Ltd.: Founded in 2003, this subsidiary brings over two decades of technical expertise in valve production, focusing on precision engineering and durability.

• Tianjin Liwei Valve Co., Ltd.: Established in 2018, it complements the group's capabilities with modern manufacturing technologies and innovative product development.
  

  Workforce Composition:

• Administrative Team: 5 members overseeing operations, logistics, and compliance.

• Technical Team: 3 engineers driving R&D, quality control, and technical support.

• Sales Team: 5 professionals managing client relations and global market expansion.

• Production Team: 32 skilled workers ensuring efficient manufacturing and assembly processes.
  
  

  3. Product Portfolio

  The company specializes in manufacturing a comprehensive range of valves, catering to water supply, drainage, industrial pipelines, and hydraulic systems. Key product categories include:

  1. Butterfly Valves
  
  1.Wafer Type Butterfly Valves       2.Flange Type Butterfly Valves       3.Lug Type Butterfly Valves       4.Double Eccentric      5.Triple Eccentric Butterfly Valves      6.U Flange Type Butterfly Valve      7.Semi Lug Butterfly Valve

  

• 2. Gate Valves
  
  1.Rubber Seal Gate Valve GB Standard     2.F4 3352 Gate Valve     3.F5 Gate Valve    4.BS5163 Gate Valve   5.Rising Stem Gate Valve   6.DIN Metal Seal Gate Valve    7.API Metal Seal Gate Valve
  

• 3. Check Valves
  
  1.Rubber Seal Dual Plate Wafer Check Valves    2.Metal Seal Wafer Check Valve    3.Rubber Plate Check Valve    4.Swing Check Valve    5.Silent Check Valve   6.Lift Check Valve  7.Ball Check Valve
  

        4. Ball Valves

         1. 1Pc Ball Valve    2. 2Pc Ball Valve     3.3Pc Ball Valve     4.Flange Ball valve      5. 3 Way Ball Valve      6. High Pressure Ball Valve     7.  Brass Ball Valve

      5. Other Type Valves
       1.Aircondition System-Electric Two-Way Valve    2. Water System-Pressure Reducing Valve   3.Globe Valve   4.PVC Valve   5.Y-Strainer   6.Digital Lock Balance Valve    7.Grooved Butterfly Valve

 

All products are manufactured using premium materials (ductile iron, stainless steel, carbon steel) and adhere to international standards such as ISO, ANSI, and DIN.

4. Certifications

The company's commitment to excellence is validated by globally recognized certifications:

• ISO 9001: Quality management systems ensuring consistent product reliability.

• ISO 14001: Environmental management compliance.

• OHSAS 18001: Occupational health and safety standards.

• CE Marking: Compliance with European safety and performance regulations.

• AAA Enterprise Certification: Recognition for creditworthiness and business integrity.

• CCC Certification: Mandatory China Compulsory Certification for product safety.

5. Quality Assurance

A rigorous quality control process, from raw material inspection to final testing, ensures that every valve meets or exceeds client expectations.

6. Shipping & Delivery

With a strategic focus on innovation and customer-centricity, the company serves a diverse client base:

• Domestic Market: 50% of sales cater to China's rapidly expanding infrastructure and industrial sectors.

• International Markets: Products are exported to Asia, Europe, Africa, Australia, and South America, addressing needs in municipal water projects, oil and gas, chemical processing, and power generation.
   

The company actively participates in global trade exhibitions and collaborates with distributors to strengthen its footprint in emerging economies.

 

Core Competencies

1. Customization: Tailoring valve specifications to meet unique project requirements.

2. Cost Efficiency: Competitive pricing without compromising quality.

3. Technical Support: Pre-sales consultation and post-sales maintenance services.

4. Sustainability: Eco-friendly manufacturing practices and energy-efficient product designs.

7. After Sales Service

After Sales Service

ZGTVT After-sales Service Agreement.
Depending on the type of valve, we provide a 12- to 24-month quality guarantee for the products purchased by customers.
If there are quality problems with the products sold by our company during this period, we provide the following solutions.

For any product-related issues, customers can send relevant videos and pictures to the salesperson, who will send them to our after-sales staff to check the problem.

After receiving the problem photos and videos, our company will reply to the customer within 1 hour (working hours) and provide a solution within 3 hours, including but not limited to the following solutions.

 

1. Our company will provide a written solution or remote video guidance to solve the problem.

2. If the problem cannot be solved, you can contact sales to re-produce and re-ship for free.

3. If the product has been installed and cannot be removed, and the remote guidance cannot solve the problem, our company will give priority to mailing accessories to the customer to remotely assist in solving the problem. If it cannot be solved, our company will arrange professional technical staff to go to the location of the problem product to help the customer solve the problem.

 

Future Vision

Tianjin Tanggu General Valve Group Co., Ltd. aims to solidify its position as a global leader in valve manufacturing by:

• Expanding R&D investments to develop smart valves with IoT integration.

• Enhancing production automation to boost efficiency and reduce lead times.

• Strengthening partnerships in renewable energy and water conservation sectors.

Contact Information
Kerry Zhang
Address: No.3 Xintai Road Shuangqiaohe Town,Jinnan District,Tianjin City