Product Introduction
The national standard flanged ball valve refers to a type of ball valve designed, manufactured, inspected, and connected in full compliance with the Chinese National Standard (GB series). Its core feature is the use of flanged connections for pipeline. With advantages such as high standardization, suitability for domestic working conditions, and convenient installation and maintenance, it has become one of the most widely used valves in domestic industrial pipeline systems.
Key Features
1. Full bore, floating, fixed ball
2. Middle flange bolt connection
3. Anti overflow valve stem
4. Improved American standard structure
5. Electric valve
6. Opening and closing positioning mechanism
7. Worm gear operation optional
8. Standard flange connection
9. Welding connection
Prodection Details


Careful focus on every manufacturing detail reduces welding imperfections and guarantees the long-term structural integrity of the pipe fittings.




Extensive stock for quick shipments – We keep standard sizes in inventory to reduce lead times.
Production Process



With our own dedicated production lines, we gladly accept custom orders to fulfill your specific needs.
From sourcing raw materials to final inspection, every step is meticulously monitored to guarantee consistent quality.
Product Packaging




We offer customized packaging and flexible shipping solutions to ensure products arrive safely and on time.

Product Parameter (Specification)
Our comprehensive lineup includes valves available in multiple sizes, perfectly adapted to a wide range of application requirements.
|
Product Name |
GB Flanged Ball Valve |
|
DN(NPS) |
DN15 ~ DN1200 (1/2″ ~ 48″) |
|
Pressure |
PN10 ~ PN420 (150 ~ 2500) |
|
Material |
CF8, CF8M, CF3, CF3M, F304, F316, F321,WCB,HT200, QT450-10 or as your requirements |
|
Standard |
GB/T 12224-2021,GB/T012224,GB/T 12220, GB/API,GOST, EN, DIN, JIS |
|
End connection |
RF, RTJ, FM, BW, SW |
|
Actuator |
manual |
|
Package |
Compliant with long-distance transportation or as you required. |
Company Introduction

Jiangsu Tisco Equipment Co., Ltd. is a comprehensive valve company integrating manufacturing and trading. We specialize in producing valves and processing stainless steel products such as ball valves, gate valves, butterfly valves, globe valves, as well as pipes, plates, profiles, stems, etc. In addition, copper, aluminum, titanium, and other alloy steels, such as Inconel, are also within our range. Due to our commitment to high quality, competitive prices, and excellent after-sales service, we have established long-term and stable relationships in domestic and international markets.


Our Advantages
- 24-hour online service
- Custom orders accepted. High quality, good price.
- We can help customers solve all engineering problems related to valves and fittings
FAQ
Q: Do you have your own factory?
A: Yes, we have our own factory, which allows us to control the production process and ensure high-quality standards.
Q: Do you offer OEM or ODM services?
A: Yes, OEM and ODM services are available, including customization of materials, sizes, logos, and packaging.
Q: What payment methods do you accept?
1) 30% T/T prepayment and balance against copy of B/L.
2) 30% T/T prepayment and letter of credit balance.
Q: What is the delivery time?
A: 7-10 days after receiving the deposit.
Q: Why did you choose our company?
A) . Our consistent high-quality products and reliable performance
B). We have utting-edge technology and innovative solutions
C).Our excellent customer service and prompt response times
Q: Can you send a sample for inspection?
A: Yes, we can send you samples free of charge.
Q: Can you manufacture products according to our requirements?
A: Yes, we will strictly follow your requirements, such as packaging method, product length, product handling etc.
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