DISTRIBUTION & TRANSMISSION

PORCELAIN INSULATORS

Flowline Electrical Products offers a complete range of insulator types for all electrical applications:

Insulation Material:	Major Insulator Design Types:	Electrical Applications:
Alumina Porcelain	Hollow & Solid Core Posts, Longrod	MV to HV Equipment, OHL, Railway & Sub-Station
Composite Silicone	Longrod, Braced & Line Posts	MV to HV Equipment, OHL, Railway & Sub-Station
Epoxy Resin	Post, Standoff & Support	LV to MV Equipment, OHL, Railway & Sub-Station
Silica Porcelain	Bobbin, Pin, Reel, Shackle & Stay	LV to MV OHL, Railway & Sub-Station

Insulators manufactured by internationally recognised OEMs, according to the relevant AS/NZS & IEC standards.

PORCELAIN SOLID CORE STATION POST INSULATORS

Station Post Insulators are primarily utilised as support insulators in sub-station equipment or yard applications.

Station Post Insulator Manufacturing Specifications:
Nominal Voltage Rating	11 to 1200kV
Mechanical Cantilever Rating	Up to 60kN
Mechanical Compression Rating	Up to 800kN
Mechanical Tensile Rating	Up to 400kN
Mechanical Torsional Rating	Up to 20kNm
Specific Creepage Distance	12.7 to 40mm/kV
Shed Profile Types	Aerodynamic (alternating & plain), DIN, tapered
Single-Piece Coupling Height	255 to 2300mm
Overall Stacked Height	Up to 9000mm
End Cap Fixing Hole Sizes	M12, M16 or Ø18mm Thru & M20 ISO Tapped
End Cap Pitch Circle Diameters	76, 127, 178, 200, 225, 254, 275, 300, 325 & 356

Station Posts are manufactured in accordance to AS/NZS & IEC 60168, 60273, 60720 & 60815 standards.

PORCELAIN SOLID CORE VERTICAL LINE INSULATORS

Vertical Line Post Insulators are primarily utilised on MV overhead distribution lines.

Vertical Line Post Insulator Manufacturing Specifications:
Nominal Voltage Rating	11 to 66kV
Mechanical Cantilever Rating	Up to 20kN
Mechanical Compression Rating	Up to 50kN
Mechanical Tensile Rating	Up to 20kN
Specific Creepage Distance	12.7 to 40mm/kV
Single-Piece Coupling Length	Up to 800mm
Shed Profile Types	Aerodynamic (alternating & plain), tapered
Head End-Fitting Types	F-Neck groove, horizontal & vertical clamp top
Base End-Fitting Types	M12/16 x 76/127 PCD, M20 or M24 threaded

Line Posts are manufactured in acc. to AS/NZS & IEC 60168, 60273, 60720 & 60815 standards.

COMPOSITE SILICONE LONGROD STRAIN INSULATORS

Longrod Strain / Tension Insulators are utilised in MV to EHV substation, distribution & transmission lines.

Longrod Strain Insulator Manufacturing Specifications:
Nominal Voltage Rating	11 to 765kV
Specified Tensile Load Rating	Up to 400kN
Specific Creepage Distance	20, 25 & 31mm/kV
Single-Piece Coupling Length	Up to 7500mm
Shed Profile Types	Aerodynamic (alternating & plain)
End-Fitting Types	Ball, Socket, Clevis, Tongue, Oval-Eye & Y-Clevis
Security Pin Type	Humpback Split-Pin

Longrods are manufactured in acc. to AS/NZS & IEC 61109, 62217, 60815, 60120, 60471 & 61466-1 standards.

COMPOSITE SILICON SOLID CORE STATION POST INSULATORS

Station Post Insulators are primarily utilised as support insulators in sub-station equipment or yard applications.

Station Post Insulator Manufacturing Specifications:
Nominal Voltage Rating	11 to 132kV
Specified Cantilever Load Rating	Up to 13.3kN
Max Design Cantilever Load	Up to 6kN
Specified Compression Rating	Up to 70kN
Specified Tensile Rating	Up to 35kN
Specified Torsional Rating	Up to 4kNm
Specific Creepage Distance	20, 25 & 31mm/kV
Shed Profile Types	Aerodynamic (alternating & plain)
Single-Piece Coupling Height	255 to 1500mm
End-Fitting Fixing Hole Sizes	M12, M16 ISO Tapped or Ø18mm Thru Hole
End-Fitting Pitch Circle Diameters	76 & 127mm PCD

Station Posts are manufactured in accordance to AS/NZS & IEC 62231, 62217, 60273 & 60815 standards.

COMPOSITE SILICONE VERTICAL LINE POST INSULATORS

Vertical Line Post Insulators are primarily utilised on MV overhead distribution lines.

Vertical Line Post Insulator Manufacturing Specifications:
Nominal Voltage Rating	11 to 66kV
Specified Cantilever Load Rating	Up to 16kN
Max Design Cantilever Load	Up to 8kN
Specified Compression Rating	Up to 50kN
Specified Tensile Rating	Up to 25kN
Specific Creepage Distance	20, 25 & 31mm/kV
Single-Piece Coupling Length	Up to 1050mm
Shed Profile Types	Aerodynamic (alternating & plain)
Head End-Fitting Types	F-Neck groove, horizontal & vertical clamp top
Base End-Fitting Types	M12/16 x 76/127 PCD, M20 or M24 threaded

Line Posts are manufactured in acc. to AS/NZS & IEC 61952, 62217, 60815 & 60720 standards.

COMPOSITE SILICON HORIZONTAL STAND OFF POST INSULATORS

Horizontal Standoff Post Insulators are utilised on MV to HV overhead distribution & transmission lines.

Vertical Line Post Insulator Manufacturing Specifications:
Nominal Voltage Rating	11 to 132kV
Specified Cantilever Load Rating	Up to 16kN
Max Design Cantilever Load	Up to 8kN
Specified Compression Rating	Up to 50kN
Specified Tensile Rating	Up to 25kN
Specific Creepage Distance	20, 25 & 31mm/kV
Single-Piece Coupling Length	Up to 1600mm
Shed Profile Types	Aerodynamic (alternating & plain)
Head End-Fitting Types	Drop-eye, F-neck, horizontal & vertical clamp top
Base End-Fitting Types	M12/16 x 76/127 PCD, bendable & integral gain

Standoff Posts are manufactured in acc. to AS/NZS & IEC 61952, 62217, 60815 & 60720 standards.

COMPOSITE SILICONE BRACED LINE POST INSULATORS

Braced Line Post Insulators are utilised on MV to EHV overhead distribution & transmission lines.

Vertical Line Post Insulator Manufacturing Specifications:
Nominal Voltage Rating	66 to 330kV
Specified Cantilever Load Rating	Up to 40kN
Max Design Cantilever Load	Up to 20kN
Specified Compression Rating	Up to 50kN
Specified Tensile Rating	Up to 25kN
Specific Creepage Distance	20, 25 & 31mm/kV
Single-Piece Coupling Length	Up to 3000mm
Shed Profile Types	Aerodynamic (alternating & plain)
Head End-Fitting Types	Drop-eye, integral or suspension yoke assembly
Base End-Fitting Types	Clevis, 127mm PCD, bendable or fixed gain

Braced Posts are manufactured in acc. to AS/NZS & IEC 61952, 62217, 60815 & 60720 standards.

COMPOSITE SILICON JUMPER POST INSULATORS

Jumper Post Insulators are utilised on MV to EHV overhead distribution & transmission lines.

Vertical Line Post Insulator Manufacturing Specifications:
Nominal Voltage Rating	Up to 330kV
Specified Cantilever Load Rating	Up to 16kN
Max Design Cantilever Load	Up to 8kN
Specified Compression Rating	Up to 50kN
Specified Tensile Rating	Up to 25kN
Specific Creepage Distance	20, 25 & 31mm/kV
Single-Piece Coupling Length	Up to 3000mm
Shed Profile Types	Aerodynamic (alternating & plain)
Head End-Fitting Types	Drop-eye, horizontal clamp top & yoke assembly
Base End-Fitting Types	127mm PCD, bendable or fixed gain

Jumper Posts are manufactured in acc. to AS/NZS & IEC 61952, 62217, 60815 & 60720 standards.

EPOXY RESIN STAND OFF & SUPPORT INSULATORS

Standoff & Support Insulators are primarily utilised on LV to MV equipment, sub-station & distribution lines.

Vertical Line Post Insulator Manufacturing Specifications:
Nominal Voltage Rating	LV to 33kV
Specified Cantilever Load Rating	Up to 20kN
Max Design Cantilever Load	Up to 10kN
Specified Compression Rating	Up to 50kN
Specified Tensile Rating	Up to 25kN
Specific Creepage Distance	Up to 31mm/kV
Single-Piece Coupling Length	Up to 350mm
Shed Profile Types	Aerodynamic (alternating & plain), tapered
Head End-Fitting Types	M6 to M20 ISO threaded bosses & holes
Base End-Fitting Types	M6 to M20 ISO threaded bosses & holes

Support Insulators are manufactured in acc. to AS/NZS & IEC 60044, 60660, 60273, 62217 & 60815 standards.