Gear operated DN300 PN40 CF8 stainless steel cryogenic flanged gate valve with extended bonnet

DN300 Cryogenic Gate Valve PN40 – CF8 (304) Stainless Steel Extended Bonnet

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Engineered for extreme reliability, this DN300 Cryogenic Gate Valve is cast from CF8 (304) Stainless Steel. Featuring an extended bonnet design, it effectively isolates the stem packing from cryogenic temperatures, ensuring smooth operation down to -196°C. Rated for PN40 (4.0 MPa), this valve is the premier choice for demanding LNG and chemical process applications requiring high pressure and corrosion resistance.

🏭 Engineering Highlights:

  • Body Material: CF8 (ASTM A351) – High-grade 304 Stainless.
  • Design: Extended bonnet for cryogenic safety.
  • Pressure: PN40 (4.0 MPa) high-pressure capability.
  • Range: Full series coverage from DN50 up to DN500.
Category: Tags: , , , ,
Valve Type Extended Bonnet Cryogenic Gate Valve
Body Material CF8 (304 Stainless Steel)
Pressure Rating PN40 (4.0 MPa)
Standard API 600 / BS 6364 / DIN

Main Dimensions & Weight (PN40, DN50-DN500)

DN (mm) Size (Inch) Face-to-Face (L) Flange OD (D) Thickness (b)
50 2″ 216 165 20
80 3″ 283 200 24
100 4″ 305 235 24
150 6″ 403 300 28
200 8″ 419 375 34
250 10″ 457 450 38
300 12″ 502 515 42
350 14″ 762 580 46
400 16″ 838 660 50
450 18″ 914 685 56
500 20″ 991 755 60
Design Feature

Bolted Bonnet, Cryogenic, Extended Bonnet, Gear Operated, OS&Y
End Connection

Flanged
Material

CF8
Pressure Class

PN40

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