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
バルブタイプ: 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.

保証:

SAVVY VALVESは、卓越した製品品質と安心のアフターサービスの提供に尽力しています。当社のバルブは最低12ヶ月の耐用年数を保証しており、その期間中は必要なスペアパーツと詳細なメンテナンスマニュアルを無料でご提供いたします。保証期間中に人為的要因以外の損傷が発生した場合は、無償で部品を交換し、専門的な技術サポートを提供いたします。保証期間終了後は、スペアパーツ代のみご負担いただき、割引メンテナンスサービスは引き続きご利用いただけます。当社の目標は、信頼性の高い品質と包括的なアフターサービスを通じて、お客様の運用コスト削減と生産効率の向上を支援することです。技術的なお問い合わせやメンテナンスのご依頼など、当社の専門チームが迅速に対応し、お客様のバルブシステムが常に最適なパフォーマンスを維持できるよう尽力いたします。