Ball valve water DN 65 WKN 2a 1.6 - 4.0 MPa APA06510040250

Application and Scope of Work in Industrial Installations

This flanged ball valve with nominal diameter DN 65 has been designed for demanding environments such as district heating networks, air conditioning systems, and water supply installations. Its construction enables safe operation with various media, including water, oils, and other fluids that do not chemically react with carbon steel. A key aspect is compliance with Directive 97/23/EC for Group 2 fluids, meaning the device is suitable for installations where fluid safety is a priority.

The range of operating pressures is wide and flexible—from 1.6 MPa to 4.0 MPa (from 16 to 40 bar)—making it a versatile component in many industrial circuits. Operating temperature is also not an issue; the valve functions correctly within the range of -20°C to +200°C. Thus, it is suitable for both cold water installations and hot heating or process circuits.

Construction and Mounting Options

As a reduced-port valve (type WKN 2a), this model offers compact dimensions while maintaining high mechanical strength. F10-type flanged connections facilitate quick and leak-tight installation in existing pipeline systems. The total weight is approximately 10.8 kg, which is appropriate for its dimensions and material (carbon steel).

For installers, the adaptability of this valve to specific service requirements is important:

• It is standardly equipped with a handle, allowing manual flow control.
• There is an option to manufacture the valve with a worm gear or to prepare the body for such a gear. This is crucial for installations located at height or in hard-to-reach places where a manual lever would be inconvenient or impossible to use.

Connection dimensions are precisely defined: the bore diameter (Ødk) is 50 mm, and the outer flange diameter (ØDz) is 185 mm. The overall length between flanges is 270 mm (or 315 mm when considering additional mounting elements), facilitating space planning in technical cabinets or installation ducts.

Compliance with Standards and Safety Certificates

The operational safety of this device is confirmed by appropriate certificates and tightness tests in accordance with standard PN-EN 12266-1. The product holds the ŚZSJ Certificate No. 2/17, Declaration of Conformity No. 39/AP, and the CE mark. This means it meets the rigorous requirements imposed on industrial fittings within the European Union.

It is important to note that when selecting this model, the nature of the medium must be considered—it should not be used with substances aggressive to carbon steel or with media requiring full bore due to the reduced flow diameter inside the body. Operational parameters such as working pressure up to 40 bar and operating temperature up to +200°C allow its use in challenging industrial conditions without the need for additional thermal or pressure protections beyond standard norms for the given installation.