DN80-PN16 SS Bellow Seal Globe Valve

TECHNICAL DATA SHEET

Product Name: DN80 PN16 Stainless Steel Bellows Seal Globe Valve
Model/Specification: DN80-PN16-SS-Bellow
Kleptype: Globe Valve (Bellows Sealed)
Connection Type: Flanged (RF)

1. Basic Design Parameters

2. Technical Specifications

3. Material of Construction (Recommended – Stainless Steel)

4. Main Dimensions & Flange Details

*Note: Based on EN 558-1 (Series 1) and EN 1092-1 standards. Dimensions are for Flanged Ends (RF).*

4.1 End-to-End Dimensions (Face-to-Face)

4.2 Flange Details (Per EN 1092-1 – Type 11 / PN16)

• Flange Outside Diameter (D): 200 mm
• Bolt Circle Diameter (PCD / k): 160 mm
• Number of Bolt Holes: 8
• Bolt Hole Diameter (d2): 18 mm
• Bolt Thread Size: M16
• Raised Face Height: 3 mm
• Flange Thickness (C): ~20 mm

5. Pressure-Temperature Rating (EN 12516-1 / DIN 2401)

*Material Group: Stainless Steel (CF8/CF8M)*

6. Flow Characteristics (DN80 – PN16)

7. Test Pressure (EN 12266-1)

8. Features & Applications

• Key Features:
• Zero Leakage Stem Seal: The stainless steel bellows is welded to the stem and bonnet, creating a hermetic seal that eliminates fugitive emissions and prevents product loss.
• Double Safety: A secondary graphite packing provides backup sealing in the unlikely event of bellows failure, ensuring operational safety.
• Maintenance-Free Operation: Eliminates the need for regular packing gland adjustments, reducing maintenance costs and downtime.
• Long Cycle Life: Bellows design is tested for thousands of cycles without fatigue, ideal for frequent operation.
• Excellent Throttling Capability: Globe valve design provides precise flow control and regulation.
• Corrosion Resistance: Full stainless steel construction (body, bonnet, bellows) offers superior resistance to corrosive media.
• TA-Luft / ISO 15848 Compliance: Optional low-emission packing and gaskets meet stringent fugitive emission standards.
• Backseat Design: Protects bellows and packing when valve is fully open.
• Main Applications:
• Thermal Oil Systems & Heat Transfer Fluids: Prevents leakage of high-temperature oils.
• Steam Systems (Power Plants, Process Industry): Eliminates steam leaks to atmosphere.
• Chemical & Petrochemical Processing: Handling toxic, hazardous, or corrosive fluids.
• Pharmaceutical & Food Industry: Sanitary design, prevents contamination.
• Refineries: Hydrocarbon services requiring zero leakage.
• High-Purity Applications: Where process contamination must be avoided.

Disclaimer: The above data is prepared based on common European standards (DIN/EN) for bellows seal globe valves. Specific dimensions, materials, and pressure ratings may vary by manufacturer. The final technical agreement shall prevail.

GARANTIE:

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