10 Inch Class 150 LCB Low Temperature Carbon Steel Gate Valve

10″ Class 150 LCB Gate Valve | Low Temp Carbon Steel| BSO Ballseal

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Engineered specifically to prevent brittle fracture in cold environments, this 10-Inch (DN250) Class 150 Gate Valve is manufactured from premium ASTM A352 LCB Low Temperature Carbon Steel. Maintaining structural integrity and zero-leakage sealing at temperatures down to -46°C, it is the optimal isolation solution for refrigerated flow lines, LNG facilities, and extreme weather pipeline applications.

🏭 Engineering Highlights:

  • Material: ASTM A352 LCB (Impact tested for low-temperature service down to -46°C).
  • Design Standard: Fully compliant with API 600 and ASME B16.34.
  • Structure: OS&Y, Bolted Bonnet with solid wedge and heavy-duty manual handwheel.
  • Connection: Raised Face (RF) Flanged ends strictly to ASME B16.5.
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Detailed Technical Specifications

Our Low Temperature Carbon Steel (LCB) Gate Valves provide essential isolation safety and prevent brittle failure in freezing services. Below are the precise technical details for the Class 150 LCB Series.

Valve Type Gate Valve (Low Temperature Service, OS&Y)
Design Standard API 600 / ASME B16.34
Body Material ASTM A352 LCB (Low Temp Carbon Steel)
Pressure Rating ASME Class 150

Material Construction (LCB Series)

Component Material Grade
Body / Bonnet ASTM A352 LCB
Solid Wedge LCB + 13Cr Overlay
Stem ASTM A182 F6a / 304 SS
Seat Ring ASTM A350 LF2 + 13Cr Surfacing

Main Dimensions (Class 150 Series)

Size (Inch) Face-to-Face (L/mm) Flange OD (mm) Height Open (mm) Weight (kg)
6″ 267 279 765 85
8″ 292 343 970 138
10″ 330 406 1180 215
12″ 356 483 1390 325
14″ 381 533 1560 445

❄️ Low Temperature Integrity & Testing

To ensure safe operation in sub-zero environments, our LCB cast steel valves undergo stringent low-temperature impact testing (Charpy V-Notch) at -46°C. We manufacture strictly according to API 600 and ASME B16.34. Full EN 10204 3.1 Material Test Reports (MTRs) and NDT certificates are provided with every shipment, guaranteeing complete safety for your extreme-weather EPC projects.

Technical Note: Face-to-face dimensions conform to ASME B16.10. For complete dimensional drawings or custom cryogenic modifications (such as Extended Bonnet designs or LCC/LC3 material upgrades), please contact our technical team.
Design Feature

Bolted Bonnet, OS&Y
End Connection

Flanged
Material

LCB (Low Temp Carbon Steel)
Pressure Class

Class 150

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