Check valves and gate valves

Zenit check valves, certified EN 12050-4 annex ZA standard EN 12050-4, are designed for use even with soiled liquids and provide full guarantees of operation even under heavy-duty working conditions.
The sinking ball system ensures a full free passage since at maximum opening the valve has a completely free main line, greatly reducing pressure drops. The capability for installation in a horizontal or vertical position provides greater versatility and optimal assembly.

Clapet valves can be used for non-abrasive clear wastewaters. Zenit models have body and disc in GJL-250 cast iron and brass and EPDM rubber seat. The lever which operates the mechanism is in GJS 400 cast iron for maximum reliability. Compliance with international design regulations simplifies installation and ensures compatibility with any standard flange.

The knife gate valves, with handwheel control, have various functions and are used as cut-off devices to regulate the flow in a pipeline or to temporarily isolate a section of the plant.
The gate valves have GJL-250 cast iron body containing the mechanisms used to partially or totally block the flow.
This product is designed to allow fitting of a servomotor for remote partial or total opening/closing (no manual operation required).

Zenit gate valves are in GJL-250 cast iron with the gate travelling in a brass seat to ensure smooth operation over time, even after long periods without use. Flanges meet the UNI standards for perfect interchangeability.
They are mainly used in distribution and treatment plants for civil and industrial wastewater in general.

Range

Zenit SRP knife gate valve

SRP

KNIFE GATE VALVES


Knife gate valves [SRP] in EN-GJL-250 cast iron with bronze blade seat for perfectly smooth travel even after long periods out of use.
Flanges meet the UNI standards for perfect interchangeability with the pipelines of existing systems.

Technical characteristics

  • Cast iron body
  • Stainless steel shaft with O-ring seal
  • Bronze seats
  • Epoxy paint
  • Can be installed horizontal or vertical
  • Full free passage when completely open
Zenit VAC clapet check valve

VAC

CLAPET CHECK VALVE

Clapet check valve [VAC] suitable for non-abrasive clear water. With body and disc in cast iron and brass and EPDM rubber seat. Lever mechanism GJS 400 cast iron for maximum reliability.
Compliance with international design regulations simplifies installation and ensures compatibility with any standard flange.

Technical characteristics

  • Cast iron body and head
  • Gaskets in EPDM rubber
  • Brass seats
  • Epoxy paint resistant to aggressive liquids
  • Can be installed horizontal or vertical
  • The valve can be partially opened by hand with the aid of a screw. This option is particularly useful for draining the pipeline upstream of the valve during any maintenance work
Zenit VAP 32 50 ball check valve

VAP 32÷50

BALL CHECK VALVES

VAP ball check valves prevent backflow during plant maintenance or stoppages. They are designed for use even with soiled wastewaters to provide full guarantees of operation in heavy-duty working conditions.
The sinking ball system ensures a full free passage since at maximum opening the valve has a completely free main line, greatly reducing pressure drops.
They can be installed horizontal or vertical and do not require any maintenance. All Zenit ball check valves hold certification under the EN 12050-4 standard, appendix ZA.

The entire range of ball valves have "rubber on rubber" coupling (rubber ball; seal on rubber gaskets), guaranteeing quieter operation and easy restoration of perfect mating between the ball and the sealing lip.

Technical characteristics

  • Structure in EN-GJL-250 cast iron with rubber gaskets included
  • Sinking ball in NBR rubber
  • Sealing ensured by rubber on rubber contact
  • Stainless steel metal fasteners
  • Epoxy paint resistant to aggressive liquids
  • Full free passage
  • Easily removable cover for plant inspection
  • Can be installed horizontal or vertical
  • Ambient and pumped liquid temperature: 0 ÷ +40°C
  • pH of pumped liquid: 6 ÷ 11
  • Density of pumped liquid: 1 kg/dm3
Zenit VAP 65 300 ball check valve

VAP 65÷300

BALL CHECK VALVES

Ball check valves VAP, with EN 12050-4 certification, are designed for use even with soiled liquids to provide full guarantees of operation in heavy-duty working conditions.

  • Full free passage with lower pressure drops.
  • Can be installed in a horizontal or vertical position for optimal installation in all conditions.

Technical characteristics

  • Body in cast iron with rubber gaskets included
  • Sinking ball in NBR rubber
  • Sealing ensured by rubber on rubber contact
  • Stainless steel metal fasteners
  • Epoxy paint resistant to aggressive liquids
  • Full free passage
  • Easily removable cover for plant inspection

Downloads

Domestic & Residential
Catalogue

Domestic & Residential

Industrial & Civil
Catalogue

Industrial & Civil

Product overview
Catalogue

Product overview

VAP Series CE
User Manual

VAP Series CE

VAP G 32÷50
User Manual

VAP G 32÷50

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