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VANTEQINDUSTRIAL
Process Equipment / VF-330

Series VF-330 Hinged Vessel Manway

VQ-VF330

Vessel fitting, sizes DN300 to DN600, rating PN6.

SIZES
DN300 to DN600
RATING
PN6
FINISH
Ra 1.2 micron internal
TEMPERATURE
-20 to +150 °C

Why it is specified

The parts that are specified last and hold up the build. Held in stock in the common sizes and finishes, so the vessel is not waiting on a four-week lead time for a sight glass.

Typical applications

  • Sampling from a closed vessel
  • Tank cleaning
  • Vessel access for maintenance
  • Vessel inspection and level sighting

Options and executions

  • Electropolished finish with a surface report
  • Integral light fitting
  • Material certificates to EN 10204 3.1
  • Wiper for the window
Specification

The full table.

Figures cover the whole series. The variant table below narrows them to a part number.

PERFORMANCE

Function
Vessel access for inspection and cleaning
Coverage or view
Clear opening equal to the nominal size
Operating pressure
Full vacuum to 6 bar
Cleanability
Flush inner face with a recessed seal

MATERIALS

Body
1.4301 stainless steel
Window or insert
Optional glass insert
Seal
EPDM or silicone cord
Surface finish
Ra 1.2 micron internal

CONNECTIONS AND RATINGS

Sizes
DN300 to DN600
Connection
Welded collar, hinged cover
Pressure rating
PN6
Temperature range
-20 to +150 °C
Orientation
Top or side
Variants and part numbers

Stocked frame sizes.

PART NUMBERSIZECONNECTIONSEALFINISH
VQ-VF330-10DN300HingedEPDM or silicone cordRa 1.2 micron internal
VQ-VF330-20DN450HingedEPDM or silicone cordRa 1.2 micron internal
VQ-VF330-30DN600Hinged, counterbalancedEPDM or silicone cordRa 1.2 micron internal
Datasheet

VF-330, DS-VF-330

  • Document DS-VF-330
  • Revision Rev 3
  • Issued 2026
  • Pages 10

The datasheet is issued with the selection rather than downloaded blind, so the figures that arrive are the ones for your duty point. Ask for it with the quotation and it comes back as a PDF.

What is in it

  • Selection data and the limits each figure applies at
  • Dimensional drawings for every size in the variant table
  • Materials of construction and the compatibility notes
  • Installation, commissioning and maintenance intervals
  • Spare parts list with the part numbers
Next step

Quote the VF-330 for your duty.

Send the process data and the line size. The quotation comes back with the selection, the calculation and the lead time on the stocked variants.

Vanteq Industrial is a fictional company created for demonstration purposes. This product does not exist. The specifications, performance figures, materials and datasheet references on this page are illustrative and must not be used to select, size or buy equipment.