Dimensions & Weights

Gate Valves Class 800 Dimension Diagram
Valve Size (inch)1/43/81/23/411 1/41 1/22
Valve Size (mm)810152025324050
A (Reduced bore) (mm)--8090110127127130
A (Full bore) (mm)808090110127127130150
B (Reduced bore) (mm)--145156186216255273
B (Full bore) (mm)143145156186216255273334
C (Reduced bore) (mm)--9090100120140140
C (Full bore) (mm)909090100120140140200
D (Reduced bore) (mm)--101418243136.5
D (Full bore) (mm)8.5101418243136.548
Weight (Reduced bore) ()--
Weight (Full bore) ()

Pressure / Temperature

Pressure / Temperature Rating

800 PSI @ 850oF
1975 PSI @ 100oF
Connections:API 602, BS5352
Socket weld: ASME B16.11
Threaded: ASME B1.20.1
Butt weld: ASME B16.25
Test: API 598-BS 6755 (pt.1) 

Test Pressures (Hydraulic)

Hydraulic (minimum)
Body: 3000 PSI
Seat: 2175 PSI
Air under Water:85 PSI 


There are no materials defined for this product.


Gate Valves Class 800

Gate Valves Class 800

  • Forged Gate Valves available in reduced and Full Bore and with a a range of materials Carbon Steel, Stainless Steel, alloys, and special alloys such as Monel, Inonel, Incoloy, Hastelloy, Duplex, Superduple etc.
  • End connections available in Socket weld, NPT, Socket weld NPT, and Butt weld
  • Can be Supplied with Bonnet weld, Bellow seal, ISRS, Extend body, Cryogenic, Weldolet and Lattern ring.
  • Valves are CE marked according to PED 97/23/CE and manufactured in according to ISO9001

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