KSB Forged Gate Valve Class 1500/2500 Carbon & Alloy

A105, F22, F91 with seal-welded bonnet. Up to 431 bar and 650°C. Socket weld and butt weld. NPS ¼–2.

Carbon & Alloy SteelClass 1500, 2500NPS ¼–2

Specifications

ParameterSpecification
SeriesSICCA 1500/2500 GTF
Body MaterialA105/LF2/F22/F91
Pressure ClassClass 1500, 2500
Size RangeNPS ¼–2
Max Temperature650°C (F91)
Max Pressure431 bar (6250 psi)
Design StandardAPI 602 / ASME B16.34
End ConnectionsSocket Weld, Butt Weld
ConstructionSeal-welded bonnet, solid wedge
Trim / SealingST6 swaged seat
✓ API 602 / ASME B16.34

Material & Applications

Why Carbon & Alloy Steel: A105 for general HP. F22 to 593°C. F91 to 650°C. Seal-welded bonnet for extreme pressure integrity.

Typical applications: HP drain/vent, chemical injection, reactor feed, supercritical boiler small-bore piping.

Pressure/Temperature Ratings

RatingPressure at Temperature
A105 2500425 bar @ 38°C326 bar @ 316°C237 bar @ 425°C
F91 2500431 bar @ 38°C347 bar @ 316°C209 bar @ 538°C83 bar @ 650°C

Carbon & Alloy Steel Gate Valve FAQs

Seal-welded bonnet?
Body-to-bonnet joint is seal-welded for superior HP integrity in Class 1500+.

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