Premium Stainless Steel DIN M3 Standard Ball Valve for High Performance
RST VALVE can offer different kinds of industrial valves, including Ball Valve, Gate Valve, Check Valve, Globe Valve, Y Strainer, etc. Our products are performed in accordance with national standards of API , ANSI, DIN, JIS, BS and GB etc.
|
Ball Valve |
Gate Valve |
Globe Valve |
Check Valve |
Strainer |
Size |
1/2"-12" |
1/2"-12" |
1/2"-12" |
1/2"-12" |
1/2"-12" |
Material |
SS304, SS316L
WCB, FS, CS |
SS304, SS316L
WCB, FS, CS |
SS304, SS316L
WCB, FS, CS |
SS304, SS316L
WCB |
SS304, SS316L |
Temperature
Range |
-20~240ºC |
-29~425ºC |
-29~425ºC |
-20~425ºC |
-20~180°C |
Pressure
Range |
150~1500LB |
150~1500LB |
150~1500LB |
150~1500LB |
150LB |
Seal |
PTFE, 13 Cr |
PTFE, 13 Cr |
PTFE, 13 Cr |
PTFE, 13 Cr |
PTFE |
All valves parts are produced from CNC machines.
Quality tests for valves include permance test, pressure test, dimension test.
Product reports include dimension report, material report, pressure report etc are provided.
Our industrial valves are widely used for petrochemical industry, petroleum refining, nuclear power, chemical industry, metallurgy as well as mining, medical industry, food industry, national defense and urban construction and many other fields etc.

We provide customization for all products.
Quality guarantee for 18 months.
ISO, CE and TS certified products.
15-20 days fast delivery for urgent order.
20 years exporting experience & 24-hour customer service & technical supprot (Main markets: South-East Asia, Korea, Middle East, Africa, America, Europe)
At RST VALVE, we are dedicated to delivering high-quality valve solutions tailored to meet diverse industrial needs. Our range of 2PC ball valves is a prime example of our commitment to innovation and excellence. Among these, the Premium Stainless Steel DIN M3 Standard Ball Valve for High Performance stands out as a versatile and reliable choice for various applications.
1. Design Features:
Our DIN M3 2PC Threaded Ball Valve is engineered to meet the stringent requirements of the DIN3202-M3 standard. It features a longer face-to-face dimension compared to conventional 2PC ball valves, making it ideal for specific market demands.
2. Product Specifications:
Constructed from premium materials such as SS304/316/304L/316L (CF8/CF8M/CF3/CF3M) and WCB, the valve ensures durability and corrosion resistance in challenging environments. Available in sizes from 1/4" to 4" (DN6 to DN100), it features a full port design that minimizes pressure drop and maximizes flow efficiency.
3. Connection Ends:
The valve supports a wide range of thread standards, including NPT, BSP, BSPT, DIN259, and DIN2999, ensuring compatibility with various piping systems. This versatility in connection options allows for seamless integration into different installations.
4. Working Condition:
Rated for a working pressure of PN63/6.3 MPa, the valve is suitable for high-pressure applications. It operates effectively within a temperature range of -20°C to 300°C and can be customized to meet specific industry requirements. The valve is designed to handle a variety of media, including water, natural gas, oil, and some corrosive liquids, making it a versatile choice for multiple industries. Each valve undergoes rigorous inspection and testing in accordance with API598 standards, ensuring its reliability and performance.
Additional Information:
Whether you need a basic 2PC threaded ball valve or a more advanced version with features like pneumatic or motorized actuation, RST VALVE has the solution for you.
RST Valve Group Co., Limited
We supply flange direct mounting pad ball valve series, flange normal mounting pad ball valve series, screw ball valve series, socket weld ball valves, butt weld valves, flange gate, globe and check valves, screw gate, globe, check valves, sanitary valves and pipe fitting series...
Welcome to check our other products.
High Production Capacity & Fast Shipping
RST Valve Group was established in 1999 in Wenzhou City, with more than 20 years of experience in producing & exporting different kinds of industrial valves, including ball valve, gate valve, check valve, globe valve, strainer, etc. It is a high-tech comprehensive valve enterprise with design, research and development, manufacture, sales and service. Our headquarters and machining facilities are located in Wenzhou, while our state-of-the-art casting factory is situated in Fujian, spanning an impressive 30,000 square meters. The annual production capability of the factory can reach 6000 tons. RST Valve Group is well-equipped to meet the demands of our diverse customer base. Our integrated production and sales model ensures short lead times and reliable delivery schedules, making us a preferred partner for our customers.
Advancing Manufacturing Technology & Rigorous Quality Control
Rst valve keep to " Made in China, Focus on World" & " Superior Quality, Reasonable Price, Considerate Service" to develop and improve ourselves. Now we have more than 50 CNC machines, 7 automatic mechanical arm lathe and 5 testing machines to guarantee our quality. Our manufacturing facilities include CNC machining equipments, grinding machines, assembly machines, welding torches, hydraulic / air testing equipment, automatic mechanical arm lathe.
Inspection includes material inspection, dimensional inspection, processing inspection, chemical testing, physical testing, pressure testing, etc, which guarantee the quality of finished products. We also get ISO, CE, API, TS, SIL certificates to ensure our quality control systems.
Reliable Sales & Technological Support
RST Valve has more than 200 staffs with a reliable sales team of 20 staffs. For each order, we guarantee to submit products process reports and testing reports to our clients to let them know every step. Our goal is to make every client satisfied when cooperating with us, then establish long term relationship not only in business, but also in life. We also pursue high quality & excellent service for our customers. The company has 10 quality check staffs in total and a professional technical support expert team. Our technician offers valve draft within 48 hours and valve installation & maintainance support.
Welcome to Visit Our Factory
We warmly invite all customers to schedule a visit to our factory and production workshops. Our factory is equipped with three production lines, namely the flanged ball valve production line, the gate and globe valve production line, and the threaded ball valve production line. The valve blanks are manufactured in a valve casting factory in Fujian and are promptly transported to our valve processing plant in Wenzhou. The valve processing procedure encompasses numerical control machining, tapping and drilling, welding and grinding, assembly, cleaning, and pressure testing. The largest valve size we can produce is 48 inches (DN1200). Moreover, we offer valve customization services to meet your specific requirements. After the valves are manufactured, they will be packaged in carton boxes or export polywood cases as per customer requirements. Then, our dedicated delivery drivers will transport them to the shipping port or freight forwarder.
OUR PRODUCTION CAPACITY
Production Lines |
flanged ball valve production line, the gate and globe valve production line, and the threaded ball valve production line |
Product Range |
flange direct mounting pad ball valve series, flange normal mounting pad ball valve series, screw ball valve series, socket weld ball valves, butt weld valves, flange gate, globe and check valves, screw gate, globe, check valves, sanitary valves and pipe fitting series |
Year Established |
1999 |
Factory Size in Square Meters |
3000m2 |
NO. OF TOTAL STAFF |
200 |
Production Capital |
132,190,000 RMB |
Primary Competitive Advantages |
High Production Capacity, Short Lead Time, Rigorous Quality Control, Customer Orientation |
Stocked materials |
Stainless Steel, WCB, Forged Steel, Casting Steel, Brass etc. |
OEM Services Provided |
Yes |
Design Service Offered |
Yes |
Sales Volume |
13,000,000 USD |
Export Percentage |
71-80% |
MAIN MARKET |
South-East Asia, Korea, Middle East, Africa, America, Europe |
Own Brand Name |
RST Valve |

1. We are interested in your products?
In order to recommend you suitable products, please provide detail information, like size, material, pressure, model.
2. Is the requirement for MOQ?
For some small size, like 1/4''-1''(DN6-DN25), it request the MOQ is 50pcs for each size. Generally speaking, it depends on your order.
3. How about the warranty?
The warranty time is 18 months after leaving our factory. We can repair or change because of the quality problems.
4. Payment
Mainly T/T, Western Union & PayPal are applicable for us. Payment Term: 30% prepayment, 70% balance paid before shipping or against copy of BL.
5. Can you manufacture different standards valves according to customer requirements?
Yes. We can manufacture API,DIN,GOST,JIS standards for different pressure & temperature & size according to different needs.
If you want to know more about our products, please contact freely. We will patiently answer your all questions.