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3-Piece Ball ValvesAir ValvesFlanged Ball ValvesDiaphragm & Angle Seat ValvesPlug ValvesLined ValvesButterfly ValvesPneumatic & Electric ActuatorsExpansion JointsPinch ValvesSteam Traps and Boiler EquipmentKnifegate ValvesCast Steel Gate, Globe and Check ValvesForged Steel Gate, Globe and Check valvesUnivalveHigh Integrity Double Block & Bleed Valves

Cast Steel Gate, Globe and Check Valves

Cast steel valves are suitable for processes demanding strength, shock resistance, elongation and heat resistance.
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Newco Cast Steel Bolted Bonnet Gate Valves

Gate valves are straight-through flow valves which provide positive shutoff with minimal pressure drop and flow turbulence.  The barrier to flow is a wedge sliding at right angles to the direction of flow.  Newco cast steel bolted bonnet gate valves are of the outside screw, rising stem design (OS&Y).  This type of design places the stem threads external to the valve so they are not contaminated by the flowing media and are asseccible for lubrication.  Also, the open/closed position of the valve is easily distinguished by the stem position. Class 150 - 2500.  Email us for more information

Newco Cast Steel Bolted Bonnet Globe & Angle Valves

Globe valves are primarily used in applications where a moderate control or regulation of flow is required.  The flow is diverted through two 90-degree changes of direction which results in pressure drop and turbulence significantly higher than gate or ball valves.  Angle valves are modified globe valves with the outlet at right angles to the inlet.  Pressure drop and turbulence are less since the flow makes only one 90-degree change of directions.  Class 150-1500.  Email us for more information

Newco Cast Steel Bolted Cap Swing Check Valves

Swing check valves are straight-through flow valves which work automatically.  The disc is held by an arm which rotates ona pin contained in the upper portion of the valve.  The disc swings away from the seat upon exertion of fluid pressure on the upstream side.  When the flow direction reverses, the reveral pressure and the weight of the disc close the disc against the seat, stopping backflow.  Swing check valves are best suited for moderate velocity applications.  Class 150-1500. Email us for more information

Newco Cast Steel Bolted Body Tilting Disc Check Valve

Check valves are single direction flow valves used to allow unlimited flow in one direction and to restrain flow in the opposite direction.  Tilting disc check valves are straight-through flow valves which work automatically.  The disc pivots on support pins located close to the centre of gravity of the disc.  The pivot and contoured shape of the disc provides rapid closing while minimising slamming and vibration.  Tilting disc check valves are best suited for moderate velocity applications. Email us for more information
Cast Steel Gate Family_NEWCO (Small)

Newco Cast Steel Pressure Seal Bonnet Gate Valve

The pressure seal bonnet joint eliminates the body/bonnet flanges reducing weight and simplifying the application of exterior insulation.  Contrary to bolted bonnet valves, internal pressure applied to a pressure seal valve forces the sealing elements into tighter contact - the higher the internal pressure, the tighter the seal.  Class 150-2500.   Email us for more information

Newco Cast Steel Pressure Seal Bonnet Globe & Angle Valves

The pressure seal bonnet joint eliminates the body/bonnet flanges, reducing weight and simplifying the application of exterior insulation.  Internal pressure applied to a pressure seal valve forces the sealing elements into tighter contact - the higher the internal pressure, the tighter the seal. Class 600-2500.  Email us for more information

Newco Cast Steel Pressure Seal Bonnet Lift Check Valve

Lift check valves are used to prevent flow reversal in piping systems.  The flow configuration through lift check valves is similar to that of glove valves resulting in higher pressure loss and more turbulent flow than experienced with straight-through flow.  Best suited for moderate velocity applications.  The pressure seal bonnet is designed for high temperature, high pressure service.  This type of body.bonnet joint eliminates heavy flanges reducing weight and simplifying the application of exterior insulation.  Email us for more information
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APCO Rubber Flapper Swing Check Valves

Unique simple design with no moving parts.  The Flapper does not swing from a Hinge Pin, it simply flexes open.  The seat is on a 45degree angle.  The Flapper travels 35degrees from open to close usually before column reversal can occur.  It has non-slam characteristics.  The flapper is made out of synthetic rubber (Buna-N standard).  The valve can be buried and requires no regular maintenance.  Recommended for Water, Sewage, Gas, Oil and Rubber lined for Chemicals. Email us for more information

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APCO Silent Check Valves

Excellent to prevent Water Hammer, in multi-storey buildings and vertical turbine pump installations, when pumping from a well to an elevated reservoir.  The Valve closes silently.  Low in cost, reliable and requires no regular maintenance.  Principle of operation: When pump stops, spring forces disc closed against slight pump head at zero velocity (theoretically a static condition) hence silent closure. Email us for more information