17076 ALISTER STREET ,PROTEA GLEN , JOHANNESBURG 1818

 

+27 73 979 1002  

  


consulting@doublen.co.za


About Us

    Double N Silidi Consulting (Pty) Ltd.
    Empowering Industry. Empowering People.

    Founded in 2016, Double N Silidi Consulting is a 100% Black female-owned company proudly compliant with Broad-Based Black Economic Empowerment (B-BBEE). We operate within the industrial goods and services sector, delivering customized solutions for government, private sector, and individual clients.
    Our Core Offerings:
    - Valves, actuators, pumps, and motors.
    - chemicals: we supply industrial liquid chemicals, domestic chemicals, and powder chemicals. 
    - General industrial supplies
    - Employee Assistance Program (EAP) services
    - Employee health and wellness solutions
    We source high-quality industrial products from trusted local and international suppliers, ensuring reliable performance and exceptional value. As a staunch supporter of B-BBEE initiatives, we actively collaborate with empowered businesses and are a proud distributor for a globally recognized valve manufacturer.
    Partner with us for excellence, compliance, and care—driven by purpose and powered by commitment.

DOUBLE N THE GAME CHANGER FOR VALVES INDUSTRIAL

TYPE: DNCD42X ECCENTRIC FLANGED RESILIENT BUTTERFLY VALVE 

Features:

  1. Control function: Electric actuator and Gearbox
  2.  Body material: Cast steel, Stainless steel and Ductile Iron.
  3.  Sizes: DN50 - DN4000
  4.  Temperature: -20°C - 180°C

TYPE: DNCD373W/DNC700D 
HIGH PERFORMANCE/ TRIPPLE ECCENTRIC BUTTERFLY VALVE


Features:

  1. Control function: Gearbox, Pneumatic Actuator, Electric Actuator.
  2. Body Material: Stainless steel, Cast Iron, Ductile Iron, Carbon steel, Chromium molybdenum and alloy steel.
  3. Sizes: DNC373W (DNCDN50 - DN4000); DNC700D (DN50- DN200)
  4. Temperature: DNC373W; carbon steel ( -29°C - 425°C); Stainless steel ( -40°C - 600°C) DNC700D; ( -30°C - 425°C)

 TYPE: DNC310D concentric flanged butterfly valve  

Features:

  1. Control Function: Gearbox and Electric Actuator.
  2. Body Material: Ductile iron and Cast steel.
  3.  Sizes: DN500 -  DN1200
  4.  Temparature: -15°C - 120°C
  5.  Liner: EPDM and NBR

TYPE: DNC400Z/DNC410Z
knife gate VALVE

Features:

  1. Control function: hand wheel, Pnuematic and Electric.
  2.  Body material: Stainless steel, cast steel and Ductile Iron.
  3.  Sizes: DN50 - DN900
  4.  Temperature: -10°C - 120°C

  type: DNC520Q segmented ball valve


Features:

  1. Control function: Pneumatic Actuator and Electric Actuator.
  2. Body Material: Stainless steel and Cast Iron.
  3.  Sizes: DN15 - DN300
  4.  Temperature: -20°C - 220°C 

 TYPE: DNC224Q/DNC300Q FLANGED BALL VALVES 

Features:

  1. Body material: carbon steel, stainless steel, alloy steel.
  2.  Control: manual, electric and pneumatic.
  3.  Sizes: DN15 - DN300
  4.  Temparature: -20°C - 220°C
  5.  Ball material: stainless steel, PFTE and metal.

ball valve three and one piece  

Features :

  1. Body Material: Stainless Steel and WCB.
  2. Control Function: Manual, Electric and Pnuematic. 
  3.  Sizes: DN10 - DN50
  4.  Temperature: -20°C - 160°C
  5.  Ball material: stainless steel and PFTE.

TYPE: DNC100H DOUBLE DOOR, SINGLE DOOR AND SLIM check valve

Features:
1. Body Material: Carbon Steel, Stainless Steel, Alloy Steel

2. Sizes: DN50 - DN600

3. Temperature: -20°C - 120°C

4. Disc material: stainless steel, bronze, Nickel plated ductile iron.

TYPE: DNC500H SWING CHECK VALVE

Features:

  1. Body material: WCB, Stainless steel 
  2. Sizes: DN40- DN600
  3. Temparature: -20°C - 120°C

TYPE: DNC210Z/DNCZ45X/DNC22Z
GATE VALVE

Features:

  1. Body Material: WCB, Stainless Steel.
  2. Control function: hand wheel and electric actuator.
  3.  Sizes: DN50 - DN600 (DNC22Z, DN50 -DN1200)
  4.  Temperature: DNCZ45X ( -10°C - 600°C); DNC210Z ( -10°C - 425°C)

TYPE: DNC320J
GLOBE VALVE

Features:

  1. Body material: carbon steel, stainless steel, alloy steel.
  2.  Control function: handwheel
  3.  Sizes: DN40 - DN400
  4.  Temperature: -40°C - 425°C 

 SOLENOID VALVE

Features :

  1.  Material : Aluminum Alloy.

 LOCATOR

Features:
1. Material: Aluminum alloy die casting. 

 Recovery signal generator (limit switch)

Features:

  1.  Material: Aluminium Die Casting.

type: dnc210g
diaphragm valves

Features:

  1. Control function: Pneumatic Actuator and handwheel. 
  2.  Accessories: Manual Override, proximity switch and  combi switch
  3.  Body material/lining/coating: Cast Iron, Ductile Iron, Butyl lined, PFA lined, PP lined, hard rubber lined, Soft rubber lined, Halar coated, Glass lined, Epoxy painting, Nylon 11 (Rilsan), ETFE.
  4. Diaphragm material: EPDM, NBR, PTFE/EPDM backed, PTFE/EPDM backed, Butyl rubber, Nitrile rubber, Neoprene, Hypalon, Viton, PTFE, PTFE/Butyl backed, PTFE/Hypalon backed
  5.  Temperature: -40-175°C - According to the lining and coating options.
  6. Body style: Full bore, weir type
  7. Flanges: ASA 150, BS 4504 (EN 101092-PN10, 16), STD, BSTE, DIN (PN10, 16), JIS, 10K
  8.  Size: DN15 - DN400
  9. Tightness test: According to EN 12266-1:2003
  10.  Material certificate: EN 10204.3.1

FOR MORE INFORMATION, SPECIFICATIONS, APPLICATION GUIDANCE, OR ALTERNATIVE BRAND CONSULTATION, PLEASE CONTACT US USING THE DETAILS BELOW: