OUR PRODUCT RANGE
All our products are designed with longevity and ease of maintenance in mind. Each product has been engineered around a function and each can be custom specced to customer requirements.
DLKG - Dual Lined Knife Gate Valve
The Dual Lined Knife Gate valve is designed for full on/off abrasive and corrosive applications.
DWKG - Dual Wafer Knife Gate Valve
The Dual Wafer Knife Gate Valve has been designed as a space saving option for slurry applications.
DFKG - Dual Flanged Knife Gate Valve
The rubber sleeves are designed to withstand the harsh abrasive duty within the mining and milling industry.
DHPSKG - Dual High Pressure Slurry Knife Gate Valve
Its rubber sleeves are designed to seal and withstand the harsh abrasive duty inherent in mining & milling facilities.
DSSLKG - Dual Severe Service Lined Knife Gate Valve
The valve features a robust peri-material seal that provides a bubble tight shut off with replaceable liners.
DULKG - Dual Urethane Lined Knife Gate Valve
The Urethane one-piece field replaceable liner is designed to provide high flow with low-pressure drop.
DSSWSV - Dual Severe Service Wafer Sleeve Knife Gate Valve
The Severe Service valve features a robust metal covered rubber or Urethane sleeve that provides a bubble tight shut off.
DLMKG - Dual Lined Moulded Knife Gate Valve
The lining is flush with the bottom of the valve eliminating any pocket where material can collect.
DDGV - Dual Diverter Gate Valve
Heavy duty yet light weight and compact design. Allows for quick installation and is self cleaning with no allowance for material build up.
DPSGV - Dual Ported Slide Gate Valve
The Ported Slide Gate Valve has a stainless steel gate machined with a round orifice port, in line with seat ID when the valve is in the open position.
DFRDSV - Dual Flanged Rotary Disc Sleeve Valve
No pressure drops, no blockages or leakages. Seals in both directions. Long wear life.
DRDV - Dual Rotary Disc Valve
DRDV is a unique rotating gate valve designed specifically for heavy abrasive and corrosive slurries.
DRSV - Dual Resilient Seal Valve
The DRSV is specifically for heavy abrasive and corrosive slurries. The gate is designed for maximum distortion of the resilient seal.
DSGV - Dual Slide Gate Valve
Ideal for handling flow in a bulk material handling system. The outlet port is larger than the inlet port ensuring no blockages.
DASGV - Dual Ash Slide Gate Valve
Ideal for handling fly ash. The outlet port is larger than the inlet port, ensuring no blockages.
DCLCV - Dual Ceramic Lined Control Gate Valve
This design allows the valve to cycle in heavy slurries without jamming.
DWGV - Dual Wedge Gate Valve
The DWGV is a medium duty general purpose Wedge Gate valve and is highly suitable for various applications.
DFSGV - Dual Flanged Sleeve Gate Valve
The valve can be used to control and throttle the flow. Zero discharge to atmosphere.
DFHPSGV - Dual Flanged High Pressure Sleeve Gate Valve
The Patented design allows the valve to cycle in heavy slurries without jamming and has a ring seat sleeve that can be replaced when worn.
DWSGV - Dual Wafer Sleeve Gate Valve
Wafer Sleeve Gate Valve is a unique valve designed specifically for heavy abrasive and corrosive slurries.
DPFGV - Dual Pivot Flanged Gate Valve
Built with a steel body and features a heavy-duty Stainless Steel gate. Provides faster operation and occupies less vertical space.
DPHPGV - Dual Pivot High Pressure Gate Valve
Low maintenance required with bubble tight shutoff and zero downstream leakage.
DPWGV - Dual Pivot Wafer Gate Valve
When opened the gate is fully pivoted out the way through the Dual Ring Sleeves from the side, eliminating the damage to the sleeves.
DDNRV - Dual Double Non-Return Valve
Both pumps can run simultaneously or independently without any back flow to the other pump.
DDV - Dual DASHLEY Double Ball Check Valve
Both pumps can run simultaneously or independently without any back flow to the other pump.
DSSCV - Dual Slurry Swing Check Valve
The DSSCV is particular well suited for harsh highly abrasive flow control applications.
DDWV - Dual Dewatering In Line Ball Check Valve
The DDWV protects the pipeline from siphoning when the pump is not in operation. There is no pressure drop across the valve.
DFFSCV - Dual Flapper Flex Swing Check Valve
The seat is offset and is hinge positioned so that the gravitational action causes the valve to close in proportion to the reduction in flow.
DFFV - Dual Free Flow Slurry Ball Check Valve
Operates on the discharge side of the pump. The ball allows for movement without any noticeable shock or hammer.
DFSV - Dual Flo-Stop Valve
The flo-stop valve has a reinforced stainless steel ball. The ball lifts out of the liquid without any interference.
DFV - Dual Valve
The Dual Valve’s handwheel can be used to isolate, but with back pressure.
DINCV - Dual In-Line Check Valve
Dual’s In-Line Check Valves are designed to handle abrasive slurries, sewage, sludge and other difficult materials.
DPV - Dual Pump Protection Valve
The DPV has been designed and manufactured to provide protection against excessive fluid temperature rises.
DSCV - Dual Swing Check Valve
Dual’s Swing Check Valves embody a flap which is designed to swing out of the line of fluid flow at maximum capacity.
DSFFV - Dual Slimline Ball Non-Return Valve
Dual’s Slimline Valve’s heart is a reinforced urethane or rubber ball. The unique design of the valve allows free movement of the ball.
DPVE - Dual Pinch Valve Enclosed
The enclosed valve protects the sleeve.
DPVO - Dual Pinch Valve Open Type
The DPVO has an easily replaceable, flexible rubber sleeve.
DSPV - Dual Single Pinch Valve
The DSPV has a double-ended enclosed body with easily replaceable, flexible rubber sleeves.
DSTPV - Dual Straight Through Pinch Valve
The valves are suited for on/off and throttling control applications involving slurries, powders, liquids and granulated materials.
DPPV - Dual Pneumatic Pinch Valve
Actuated by means of air or Hydraulic Fluid, the valve body acts as an Actuator.
DPPV-L - Dual Pneumatic Pinch Valve Large
Similar to the DPPV the DPPV-L can range from 400mm-2100mm.
DLPOPV - Dual Low Pressure Open Frame Pinch Valve
The valve consists of a tough, but flexible full bore sleeve, which forms part of the pipeline.
DPVFE - Dual Pinch Valve Fully Enclosed
The core of the Pinch Valve is the sleeve. The sleeve is reinforced with high-strength fabric.
DARV - Dual Air Release Valve
Tri-functional air valve that not only breaks vacuum, but also reduces surge on pipeline filling and releases air under operating conditions.
DSARV - Dual Slurry Air Release Valve
Automatically releases air from the pipeline when filled and stops air from entering the pipeline when emptied.
DWTDV - Dual Weir Type (WO-Type) Diaphragm Valve
All bodies and bonnets are made from high grade SG42 Cast Iron and are suitable for lining.
DSTDV - Dual Straight Through Diaphragm Valve
Valve is closed mechanically via movement of a compressor gate which is located above the diaphragm.
DPDV - Dual Pneumatic Diaphragm Valve
Actuated by means of air or hydraulic fluid, the valve acts as an actuator.
DDAPA - Dual Double Acting Pneumatic Actuator
Dual’s Pneumatic actuators have been designed to have an impact strength of 4012OD ft-lbs, which makes the actuator much more dent-resistant then aluminium or brass.
DBG - Dual Bevel Gearbox
The Bevel Gearbox is designed to accept the full thrust forces which occur during opening and closing of the valve, reducing manual rim effort when operating.
DHCA - Dual hydraulic Cylinder Actuator
The hydraulic cylinders are designed to operate in the most demanding conditions at normal pressures of 3000psi.
DARB - Dual Abrasion Resistant Balls
All balls are manufactured in South Africa using Dual’s own techniques and expertise to the highest International quality standards.
DRS - Dual Ring Sleeves
Designed to maintain the roundness and support the sleeve under high pressure conditions.
DPVS - Dual Pinch Valve Sleeves
Handmade, layer by layer, in a quality process to withstand agressive, abrasive and corrosive conditions.
DVD - Dual Valve Diaphragms
Handmade, layer by layer, in a quality process to withstand agressive, abrasive and corrosive conditions.
DDC - Dual Deflection Cones
A metal cone clamped between the upstream valve flange and the adjacent pipe flange.
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