4″*3″-1500LB SS Trunnion Ball Valve

4″*3″-1500LB SS Trunnion Ball Valve

TECHNICAL DATA SHEET

Product Name: 4″ x 3″ 1500LB Stainless Steel Trunnion Mounted Ball Valve
Model/Specification: 4×3″-1500LB-SS-TRUNNION
Kleptype: Trunnion Ball Valve (Reduced Bore)
Connection Type: Flanged (RF / RTJ) / Butt Weld (BW) 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 4″x3″ Reduced Bore Trunnion Ball Valve with Flanged Ends (RF). BW end length may vary by manufacturer.

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

4.2 Flange Details (Per ASME B16.5 – Class 1500)

4.3 Bore Details (Reduced Bore)

5. Pressure-Temperature Rating (ASME B16.34 / Class 1500)

*Material Group: Stainless Steel (A182 F304/F316) with Soft Seats (RPTFE/PEEK)*

Note: Metal seated versions available for higher temperatures up to 427°C .

6. Flow Characteristics (4″x3″ Reduced Bore)

7. Test Pressure (API 598 / API 6D)

8. Features & Applications

• Key Features:
• Trunnion Mounted Design: The ball is supported by upper and lower trunnions (bearings), reducing operating torque and enabling high-pressure, large-size applications .
• Reduced Bore (4″x3″): Optimized flow path for pressure drop management and cost efficiency.
• Double Block & Bleed (DBB): Provides positive isolation from both upstream and downstream pressure, with the ability to bleed/vent the body cavity .
• Emergency Sealant Injection: Fittings allow injection of sealant into seats and stem in case of seal damage, providing emergency shut-off capability .
• Cavity Pressure Relief: Self-relieving seats prevent dangerous over-pressure in the ball cavity due to thermal expansion .
• Anti-Static Device: Ensures electrical continuity across the valve to prevent spark ignition in flammable services .
• Fire-Safe Design: Optional API 607/6FA certification ensures sealing integrity in case of fire .
• Blow-out Proof Stem: Stem is retained within the valve body even if the gland is removed under pressure .
• ISO 5211 Mounting Pad: Standardized mounting for easy actuator installation .
• Bidirectional Sealing: Suitable for flow in either direction.
• Main Applications:
• Oil & Gas Pipelines: Transmission and distribution lines requiring DBB isolation .
• Refineries & Petrochemical Plants: Hydrocarbon processing, high-pressure fluid handling.
• Offshore Platforms: Compact design for space-constrained applications .
• Power Generation: Steam and high-pressure water systems.
• LNG & Cryogenic Plants: With extended bonnet and low-temperature materials.
• Subsea & Pipeline Terminals: Where high integrity isolation is required.

Disclaimer: The above data is prepared based on common industry standards (API 6D, ASME B16.34) for trunnion ball valves. Specific dimensions, materials, and pressure ratings may vary by manufacturer. The final technical agreement and certified drawings shall prevail.

GARANTIE:

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