NOZZLE CHECK VALVE Non Slam Silent Type

APPLICATION

Axial check valve, Non slam type used to protect against reverse flow and water hammering

DESIGN FEATURES

  •  Advanced dynamic design of single body with diffuser 
  • Quick closing action nearly 0.2 sec
  •  Lowest head losses, Stainless steel spring
  • Installation can be vertical/horizontal/ inclined position 
  • For size DN800 and up preferred vertical installation

Specification

Description Material
Valve body Ductile iron GGG50
Disc Ductile iron GGG50 / EPDM
Spring Stainless steel
Stem Stainless steel
Washer EPDM
Nut Carbon steel zinc plated
Bushing Bronze
Plug Ductile iron GGG50
Diffuser Ductile iron GGG50
Screw Carbon steel zinc plated

Features

Confirms to
EN 593
DN Range
DN50 - DN1200
Maximum working pressure
PN25 / 25 bar
Flange end connections
EN1092-2: PN10, PN16 & PN25
Operating temperature
0°C - +70°C
Product Variant No
BX3200
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Product Features

  • Nozzle check valves with bodies notably larger in diameter than their inlets display the best flow characteristics.
  • The disc faces for all of our nozzle check valves are designed to maximize hydrodynamic efficiency and minimize pressure loss.
  • All nozzle check valves, feature soft seats, and a specially designed and sourced O-ring installed in the seat of the valve. A soft seat drastically reduces reverse flow leakage and aids the quiet closing of the valve.
  • Nozzle check valves use only one spring designed for a million-cycle lifetime in the body, as opposed to most other
    companies, which use multiple springs. Minimizing the number of springs reduces the potential for failure.
  • Long service life, with the minimum level of maintenance requirement.
  • Suitable for horizontal and vertical installations.
  • Minimizes water hammer effect in the system
  • Directional application, please check the arrow mark on the body for the correct direction
  • Flange connections according to EN1092-2 / ISO 7005-2.
  • Hydrostatic test pressure for the seat: PN x 1.1 (e.g.: PN 16 = 17.6 bar); for shell: PN x 1.5 (e.g.: PN16 = 24 bar) according to EN 12266-1.
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