4-Inch API 600 WCB Flanged Gate Valve Class 150 – Industrial Steel Valve

This high-performance 4-inch WCB Cast Carbon Steel Gate Valve is strictly manufactured to API 600 and ASME B16.34 standards. Featuring a rugged Outside Screw and Yoke (OS&Y) rising stem, bolted bonnet, and a solid/flexible wedge design, it provides exceptional durability and zero-leakage performance for large-scale industrial pipeline systems. An ideal, reliable solution for oil & gas, petrochemical, and power generation infrastructure.

🏭 Direct Manufacturer Customization:

  • Standard: API 600, ASME B16.5, ASME B16.10
  • Body Materials: WCB, LCB, CF8, CF8M, CF3M
  • Size/Pressure: 2″ to 36″ (DN50 – DN900), Class 150 to Class 2500
  • Testing: 100% API 598 Tested before shipment
Design & Manufacture API 600 / ASME B16.34
Face-to-Face Dimension ASME B16.10
Flange Connection ASME B16.5 / ASME B16.47 Series A
Body Material WCB (Cast Carbon Steel)
Pressure Rating Class 150
Test & Inspection API 598

Main Dimensions & Weight (Class 150)

Size (Inch) DN L (RF) D D1 D2 b Z-Φd
2″ 50 178 150 120.5 92 15.9 4-Φ19
3″ 80 203 190 152.5 127 19.1 4-Φ19
4″ 100 229 229 190.5 157 23.9 8-Φ19
6″ 150 267 279 241.5 216 25.4 8-Φ22
8″ 200 292 343 298.5 270 28.6 8-Φ22
10″ 250 330 406 362 324 30.2 12-Φ25
12″ 300 356 483 431.8 381 31.8 12-Φ25
14″ 350 381 533 476.3 413 35.0 12-Φ29
16″ 400 406 597 539.8 470 36.6 16-Φ29
18″ 450 432 635 577.8 533 39.7 16-Φ32
20″ 500 457 699 635 584 42.9 20-Φ32
  • L: Face to Face distance (RF) | D: Flange outer diameter | D1: Bolt circle diameter | D2: Raised face diameter | b: Minimum flange thickness | Z-Φd: Number of bolt holes – Hole diameter
Design Feature

OS&Y

End Connection

Flanged

Material

WCB

Pressure Class

Class 150