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VANTEQINDUSTRIAL
Valves / CS-220

Series CS-220 Swing Check Valve

VQ-CS220

Check and safety valve, sizes DN50 to DN400, rating PN16.

SIZES
DN50 to DN400
RATING
PN16
TEMPERATURE
-10 to +180 °C

Why it is specified

The valves nobody looks at until the day they matter. Sized on the relieving case rather than on the line, and quoted with the set pressure, the required capacity and the back-pressure assumption stated.

Typical applications

  • Compressor protection
  • Pump discharge non-return
  • Thermal relief on isolated lines
  • Vessel and boiler protection

Options and executions

  • Bellows for back-pressure
  • Lifting lever, plain or packed
  • Soft seat for tight shut-off
  • Test certificate with the set pressure
Specification

The full table.

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

PERFORMANCE

Capacity
Kv 480 to 34,000 m³/h
Seat tightness
Drop tight with a soft seat

MATERIALS

Body
EN-GJS-400-15 ductile iron, epoxy coated
Internals
1.4408 disc and hinge pin
Spring
Not fitted
Seat
EPDM, bonded

CONNECTIONS AND RATINGS

Sizes
DN50 to DN400
Connections
EN 1092-1 flanged
Pressure rating
PN16
Temperature range
-10 to +180 °C
Mounting
Horizontal or vertical upward flow
Variants and part numbers

Stocked frame sizes.

PART NUMBERSIZESET PRESSUREBODYSEAT
VQ-CS220-10DN50—EN-GJS-400-15 ductile iron, epoxy coatedEPDM, bonded
VQ-CS220-20DN150—EN-GJS-400-15 ductile iron, epoxy coatedEPDM, bonded
VQ-CS220-30DN400—EN-GJS-400-15 ductile iron, epoxy coatedEPDM, bonded
Datasheet

CS-220, DS-CS-220

  • Document DS-CS-220
  • Revision Rev 2
  • Issued 2026
  • Pages 8

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 CS-220 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.