2″-300LB SS Bellow Seal Gate Valve

TECHNICAL DATA SHEET

Product Name: 2-inch 300LB Stainless Steel Bellows Seal Gate Valve
Model/Specification: 2″-300LB-SS-Bellow
Tipo di valvola: Gate Valve (Bellows Sealed)
Connection Type: Flanged (RF) / Butt Weld (BW) / Socket Weld (SW) User specified

1. Basic Design Parameters

2. Technical Specifications

3. Material of Construction (Recommended – Stainless Steel)

4. Main Dimensions & Connection Details

Note: Dimensions are for Flanged Ends (RF) according to ASME B16.10 and ASME B16.5. BW end length may vary.

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

4.2 Flange Details (Per ASME B16.5 – Class 300)

• Flange Diameter (OD): 165 mm (6.5 in)
• Bolt Circle Diameter: 127 mm (5.0 in)
• Number of Bolt Holes: 8
• Bolt Hole Size: 3/4 in (19 mm)
• Hub Diameter: 92 mm (3.62 in)
• Raised Face Height: 2 mm (0.06 in)

4.3 Weld End Preparation (if BW – per ASME B16.25)

• Bevel Angle: 37.5° (±2.5°)
• Root Face: 1.6 mm (1/16″) nominal
• Counterbore: To match pipe schedule (e.g., Sch. 40, Sch. 80) as specified.

5. Pressure-Temperature Rating (ASME B16.34)

*Material Group: 2.1 / 2.2 (Stainless Steel – A182 F304/F316)*

Note: Actual rating depends on specific grade (CF8, CF8M, F304, F316). Consult manufacturer for exact values above 400°C.

6. Test Pressure (API 598)

7. Features & Applications

• Key Features:
• Zero Leakage (Hermetic Seal): The multi-ply stainless steel bellows is welded to the stem and bonnet, creating a metal barrier that prevents fugitive emissions and ensures environmental safety.
• Double Seal Safety: Incorporates a secondary graphite packing as a backup in case of bellows failure, ensuring operational integrity.
• Maintenance-Free Stem: Eliminates the need for frequent packing adjustments or replacements, reducing downtime.
• Long Cycle Life: Bellows design accommodates thousands of open/close cycles without fatigue (up to 10,000+ cycles).
• Corrosion Resistance: Full stainless steel construction (body, bonnet, bellows) provides excellent resistance to corrosive media.
• Backseat Design: Protects the bellows and packing from system pressure when the valve is fully open.
• OS&Y Design: Provides visual indication of valve position.
• Main Applications:
• Petrochemical & Refinery Plants (handling hydrocarbons, H₂S)
• Thermal Oil Systems & Heat Transfer Fluids
• Steam Systems (Power Generation)
• Chemical Processing (corrosive/toxic fluids)
• Pharmaceutical & High-Purity Applications
• Applications requiring compliance with strict fugitive emission regulations (ISO 15848, TA-Luft)

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

GARANZIA:

SAVVY VALVES si impegna a fornire una qualità di prodotto eccezionale e un servizio post-vendita senza pensieri. Le nostre valvole sono garantite per una durata minima di 12 mesi, durante i quali forniremo gratuitamente tutti i pezzi di ricambio necessari e istruzioni di manutenzione dettagliate. Durante il periodo di garanzia, in caso di danni non causati dall'uomo, sostituiremo i componenti gratuitamente e forniremo supporto tecnico professionale. Dopo la scadenza della garanzia, i clienti dovranno pagare solo il costo dei pezzi di ricambio, beneficiando comunque di servizi di manutenzione scontati. Il nostro obiettivo è aiutare i clienti a ridurre i costi operativi e a migliorare l'efficienza produttiva attraverso una qualità affidabile e un supporto post-vendita completo. Che si tratti di richieste tecniche o di esigenze di manutenzione, il nostro team di esperti risponderà tempestivamente per garantire che il vostro sistema di valvole mantenga prestazioni ottimali in ogni momento.