6 inch CF8M stainless steel flanged gate valve Class 150 with OS&Y

6″ Class 150 CF3M (316L) Gate Valve | API 600 Flanged Stainless Steel

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Engineered for highly corrosive environments, this premium API 600 316L gate valve Class 150 offers unmatched operational durability. As a dedicated CF3M low carbon stainless steel gate valve, its ultra-low carbon content eliminates carbide precipitation during welding, ensuring superior resistance to intergranular corrosion. Featuring an OS&Y rising stem and a precision-machined solid wedge, this corrosion resistant isolation valve guarantees absolute zero-leakage shut-off. It serves as the ultimate marine grade flanged gate valve for demanding chemical, pharmaceutical, and offshore pipeline applications.

🏭 Engineering & Anti-Corrosion Highlights:

  • Material Mastery: Premium CF3M (ASTM A351) casting provides exceptional resistance to chlorides, acidic fluids, and seawater.
  • Structural Integrity: Outside Screw and Yoke (OS&Y) with a bolted bonnet ensures safe maintenance in hazardous chemical zones.
  • Global Compliance: Strictly manufactured and tested in accordance with API 600, ASME B16.34, and API 598.
  • Flange Connection: Standard ASME B16.5 RF (Raised Face) ends for secure, leak-proof pipeline integration.
Category: Tags: , , ,
Design & Manufacture API 600 / ASME B16.34
Face-to-Face Dimension ASME B16.10
Flange Connection ASME B16.5 (RF / RTJ)
Body Material CF3M (316L Ultra-Low Carbon Stainless Steel)
Pressure Rating Class 150

Chemical Composition (ASTM A351 CF3M / 316L)

The ultra-low carbon content (C ≤ 0.03%) virtually eliminates carbide precipitation during welding, providing superior resistance to intergranular corrosion compared to standard CF8M.

Grade C% (Max) Mn% Si% P% S% Cr% Ni% Mo%
CF3M ≤ 0.03 ≤ 1.50 ≤ 1.50 ≤ 0.04 ≤ 0.04 17.0-21.0 9.0-13.0 2.0-3.0

Main Dimensions & Weight (Class 150)

Size (Inch) DN L (RF) D D1 D2 b Z-Φd H (Open) W
2″ 50 178 150 120.5 92 15.9 4-Φ19 395 200
3″ 80 203 190 152.5 127 19.1 4-Φ19 485 250
4″ 100 229 229 190.5 157 23.9 8-Φ19 585 250
6″ 150 267 279 241.5 216 25.4 8-Φ22 770 300
8″ 200 292 343 298.5 270 28.6 8-Φ22 960 350
10″ 250 330 406 362 324 30.2 12-Φ25 1150 400
12″ 300 356 483 431.8 381 31.8 12-Φ25 1360 450
  • L: Face to Face (RF) | D: Flange OD | D1: Bolt circle | D2: Raised face | b: Flange thickness | H (Open): Max height | W: Handwheel dia.

🌐 Marine & Chemical Grade Quality Assurance

Designed for high-purity and extreme corrosive media, our CF3M valves undergo rigorous testing:

  • PMI Testing: 100% Positive Material Identification (PMI) conducted to verify the precise Cr, Ni, and Mo alloy composition before shipment.
  • Standards: API 600, ASME B16.34, NACE MR0175 / ISO 15156 compliant for sour gas environments.
  • Documentation: EN 10204 3.1 Material Test Certificates (MTC) provided.

⚡ Turnkey Automation Solutions

For chemical processing plants, we offer fully assembled automated packages with explosion-proof (Ex d IIB T4/IIC T4) electric or pneumatic actuators. Contact us for custom actuation.

Design Feature

Bolted Bonnet, OS&Y
End Connection

Flanged
Material

CF3M
Pressure Class

Class 150

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