Steel Welded Ball Valve Sw 3-Piece DIN PN 16
TECHNICAL DESCRIPTION
Ball valves are mainly used as shut-off elements in fluid transfer systems where high permeability is required.
• Operated by turning 90°.
• Full passage.
• Body of three parts connected together by bolted connection.
• Drive flange ISO 5211.
• Spindle – antistatic.
WORKING FLUID / MEDIUM
• Water, steam, fuels, lubricating and hydraulic oils, petroleum, air, gas, non-flammable hydraulic fluids.
• Boiler feed water, condensate.
• Sea water.
EXECUTION
• Various materials on request
OPTIONS
• Butt Weld ends.
• Socket Weld ends.
Dimensions:DN 50 – 80
The STEEL WELDED BALL VALVE SW 3-PIECE • DIN PN 16 is engineered for high-performance fluid control in demanding industrial applications. Constructed from robust carbon steel, this valve ensures superior durability and resistance to high pressures and temperatures. It adheres to DIN standards and is rated for PN 16, making it ideal for use in oil and gas, chemical processing, water treatment, and power generation systems. Its three-piece design allows for easy maintenance and repair without removing the valve from the pipeline, reducing downtime and operational costs.Key features of this ball valve include a welded socket weld (SW) end connection for secure, leak-proof installation, and a full bore design that minimizes pressure drop and allows for efficient flow. The valve is equipped with a precision-machined ball and stem for smooth operation and tight shut-off, enhancing system safety and reliability. It is suitable for handling a wide range of media, including water, steam, oil, and aggressive chemicals, providing versatility across various industrial sectors.Applications and benefits:Ideal for high-pressure and high-temperature environments due to its PN 16 rating and steel construction.Easy disassembly and maintenance with the three-piece body design, saving time and resources.Socket weld ends ensure a strong, permanent connection, reducing the risk of leaks in critical systems.Complies with DIN standards for quality and performance, ensuring compatibility and reliability in industrial setups.Suitable for on/off and throttling services, offering flexibility in fluid control operations.

Materials
| DETAILS | MATERIALS |
|---|---|
| Body | carbon steel 1.0619; DIN GS-C25; |
| Lid | Carbon steel 1.0619; DIN GS-C25; |
| Sphere | stainless steel 1.4408 (AISI316) |
| Saddle | Teflon/PTFE |
| Spindle | stainless steel 1.4408 (AISI316) |
Features
| SPECIFICATION | |
|---|---|
| Standard | DIN 3202 F1 |
| Joining | EN 1092-2 |
| Construction length | EN 558, series 1 |
| Execution | straight |
| Joining | welded socket DIN3239-2 |
| Management | with handle |
| Drive | sectoral |
| T max. °C | 170 °C |
| DN | d | H | F | H1 | L | Butt weld reducing passage | Butt weld full pass | Welding socket | M | Weight | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Reducing passage | Full pass | [mm] | B3 [mm] | B2 [mm] | B3 [mm] | B2 [mm] | Reduc. passage B1 [mm] |
Full bore B1 [mm] |
[mm] | [kg] | ||||
| 2½" | 2" | 50.8 | 80 | 25 | 130 | 142 | 76.1 | 68.9 | 60.3 | 52.5 | 77.1 | 61.1 | 205 | 6.3 |
| 3" | 2½" | 65 | 100 | 33 | 170 | 174 | 88.9 | 77.9 | 76.1 | 68.9 | 90.2 | 77.1 | 255 | 9.9 |
| 4" | 3" | 76 | 119 | 33 | 188 | 193 | 114.3 | 102.3 | 88.9 | 77.9 | 115.1 | 90.2 | 255 | 16.5 |










