Steel Flanged Ball Valve 3-Piece DIN PN 40
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
• Discharge opening on the sphere.
Dimensions:DN 15 – 100
The 3-Piece Steel Flanged Ball Valve, DIN PN 40, is engineered for high-pressure industrial applications requiring reliable shut-off and durability. Constructed from robust carbon steel, this valve is designed to handle aggressive media and extreme conditions, making it ideal for oil and gas, chemical processing, water treatment, and power generation industries. Its flanged ends ensure secure, leak-proof connections to piping systems, complying with DIN standards for interoperability and safety.Key features include a three-piece design for easy maintenance and inspection without removing the valve from the pipeline, reducing downtime and operational costs. The ball valve mechanism provides quick, quarter-turn operation for efficient flow control, with a full port design minimizing pressure drop. It is rated for PN 40 pressure class, suitable for working pressures up to 40 bar, and can operate in temperatures ranging from -20°C to 180°C, depending on seat materials.This valve offers exceptional performance and longevity, with options for various sealing materials like PTFE or metal seats to match specific fluid compatibility needs. Common applications include:Isolation and control in high-pressure steam systemsFlow regulation in corrosive chemical pipelinesShut-off services in water and wastewater infrastructureUse in industrial HVAC and fire protection systems

Materials
| No. | DETAILS | MATERIALS |
|---|---|---|
| 1 | Body | carbon steel 1.0619; DIN GS-C25; |
| 2 | Lid | stainless steel 1.4408 (AISI316) |
| 3 | Sphere | stainless steel 1.4408 (AISI316) |
| 4 | Saddle | Teflon/PTFE |
| 5 | 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 | flanged |
| Management | with handle |
| Drive | sectoral |
| T max. °C | 170 °C |
| DN | PN | Flanges/PN | L | D | ØP | nxd | H | J | Weight (kg) |
|---|---|---|---|---|---|---|---|---|---|
| 15 | 40 | 40 | 130 | 95 | 65 | 4x14 | 78 | 138 | 2.2 |
| 20 | 40 | 40 | 150 | 105 | 75 | 4x14 | 84 | 138 | 2.9 |
| 25 | 40 | 40 | 160 | 115 | 85 | 4x14 | 89 | 168 | 3.7 |
| 32 | 40 | 40 | 180 | 140 | 100 | 4x18 | 97 | 168 | 5.6 |
| 40 | 40 | 40 | 200 | 150 | 110 | 4x18 | 114 | 230 | 7.3 |
| 50 | 40 | 40 | 230 | 165 | 125 | 4x18 | 121 | 230 | 9.3 |
| 65 | 40 | 40 | 290 | 185 | 145 | 4x18 | 178 | 290 | 16 |
| 80 | 40 | 40 | 310 | 200 | 160 | 8x18 | 185 | 290 | 21 |
| 100 | 40 | 40 | 350 | 220 | 180 | 8x18 | 183 | 285 | 36 |
| Note: The dimensions in column ØP should be considered as the diameters of the bolt circle, as the latter are not indicated in the drawing. | |||||||||










