DIN 11851 Union
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DIN 11851 Union

The DIN 11851 union, renowned for its reliable performance and extensive applications, is the preferred choice in the field of sanitary connections across Europe and the Middle East. The standard configuration of DIN unions includes a circular slotted nut and a D-type seal, ensuring both tightness and hygiene in connections.
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Product Details

Zhejiang Leadtek Fluid Technology Co., Ltd. is one of the most experienced manufacturers and suppliers of din 11851 union in China. Please feel free to buy customized din 11851 union at competitive price from our factory. Also, free sample is available.

 

Product Overview

 

The DIN 11851 union, renowned for its reliable performance and extensive applications, is the preferred choice in the field of sanitary connections across Europe and the Middle East. The standard configuration of DIN unions includes a circular slotted nut and a D-type seal, ensuring both tightness and hygiene in connections.

 

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DIN union fittings are compatible with both imperial pipe sizes (1 inch to 4 inches) and DIN 11850 metric pipes (10 mm to 200 mm), catering to diverse application scenarios.

2. Versatile Seal Designs:

To meet various application needs, the DIN 11851 union offers two seal designs: flush joints with seamless lip seals and the more common D-type seals. For high-pressure environments or situations requiring compensation for slight pipe misalignment, thicker seals are also available.

3. Multiple Seal Material Options:

The standard seal material is blue or gray nitrile/butadiene (Buna), with alternatives such as FKM®, EPDM, PTFE, and translucent silicone available to suit different media and temperature requirements.

4. Precision Connection Design:

The male connector features an inverted conical surface for effective sealing, while the bushing also adopts a conical design with a flat surface, facilitating easy cleaning and maintenance, and meeting sanitary standards.

5. Reliable Working Pressure:

The maximum working pressure for fully forged tri clamp unions varies by size:

◎ DN 10 - DN 40: 40 Bar @ 20°C

◎ DN 50 - DN 100: 25 Bar @ 20°C

◎ DN 125 - DN 150: 16 Bar @ 20°C

6. Compliant with International Standards:

The din union fittings comply with multiple international standards, including DIN 2986, EN 10204 3.1, ASME A733, JIS B2302, and other certifications, ensuring product quality and reliability.

 

Application Fields:

 

The DIN 11851 union is widely used in industries with stringent hygiene requirements such as food, beverage, pharmaceuticals, and cosmetics, making it a reliable choice for ensuring product quality and production safety.

 

Product Specifications

 

◎ Material: 304/316

◎ Size: DN10-DN150

Round Nut DIN

Welding Male DIN

Welding Liner DiN

 

 

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