Twilight InfotecSupply & trading
Plumbing & sanitary · Fittings and valves

Check valves (non-return)

Non-return valves preventing backflow on pump delivery lines, tank feeds and boreholes.

Representative imagePhoto: SilverBullet X, CC0, via Wikimedia Commons

Key features

What it offers

  • Prevents reverse flow and pump draining
  • Spring, swing and foot valve types
Specifications

Technical details

Specifications of Check valves (non-return)
TypesSpring (in-line) check valve, swing check valve, foot valve with strainer
MaterialBrass, bronze or cast iron
Sizes1/2" - 4" threaded; DN50 - DN300 flanged (cast iron)
Pressure ratingPN16 typical
Documents

Datasheets and documents

Documents available on request

  • Technical data sheet
  • Pressure test certificate
  • Certificate of Conformity (where required for import)

Ask for them in your request; they are sent with the quotation for the item supplied.

Logistics & shipping

Shipping and import details

HS code
8481.30

Import documents depend on the product and its origin; we confirm them on each quotation.

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