C Burchell Lightning Protection Limited: Air Terminals Page
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AIR TERMINALS & ACCESSORIES


Air Terminal, Tapered
Tapered Air Terminals: AT Class I, 1/2" (12.7mm) diameter,
3-1/2" (88.9mm) taper, threaded base, UL listed.

ALUMINUM AT10A 1/2" x 10" (12.7mm x 254mm)
AT12A 1/2" x 12" (12.7mm x 305mm)
AT15A 1/2" x 15" (12.7mm x 381mm)
AT18A 1/2" x 18" (12.7mm x 458mm
AT24A 1/2" x 24" (12.7mm x 610mm)
AT36A 1/2" x 36" (12.7mm x 915mm)
AT48A 1/2" x 48" (12.7mm x 1220mm)


Air Terminal, Tapered
Class II – 5/8" (15.9mm) diameter, 3-1/2" (88.9mm) taper,
threaded base, UL listed.

ALUMINUM AT110A 5/8" x 10" (15.9mm x 254mm)
AT112A 5/8" x 12" (15.9mm x 305mm)
AT115A 5/8" x 15" (15.9mm x 381mm)
AT118A 5/8" x 18" (15.9mm x 458mm)
AT124A 5/8" x 24" (15.9mm x 610mm)
AT136A 5/8" x 36" (15.9mm x 915mm)
AT148A 5/8" x 48" (15.9mm x 1220mm)
COPPER AT210C 5/8" x 10" (15.9mm x 254mm)
AT212C 5/8" x 12" (15.9mm x 305mm)
AT215C 5/8" x 15" (15.9mm x 381mm)
AT218C 5/8" x 18" (15.9mm x 458mm)
AT224C 5/8" x 24" (15.9mm x 610mm)
AT236C 5/8" x 36" (15.9mm x 915mm)
AT248C 5/8" x 48" (15.9mm x 1220mm)
TINNED AT212T 5/8" x 12" (15.9mm x 305mm)
AT215T 5/8" x 15" (15.9mm x 381mm)
AT218T 5/8" x 18" (15.9mm x 458mm)
AT224T 5/8" x 24" (15.9mm x 610mm)
LEADED AT236L 5/8" x 36" (15.9mm x 915mm)
AT248L 5/8" x 48" (15.9mm x 1220mm
FULL NICKEL AT212N 5/8" x 12" (15.9mm x 305mm)
AT215N 5/8" x 15" (15.9mm x 381mm)
AT218N 5/8" x 18" (15.9mm x 458mm)
AT224N 5/8" x 24" (15.9mm x 610mm)
AT236N 5/8" x 36" (15.9mm x 915mm)
AT248N 5/8" x 48" (15.9mm x 1220mm

All air terminals are available in any length
to twelve feet (365.75cm).


Air Terminal, Tapered
Tapered Air Terminals – AT Class I – 3/8" (9.5mm) diameter,
2-1/2" (63.5mm) taper, threaded base, UL listed.

COPPER AT10C 3/8" x 10" (9.5mm x 254mm)
AT12C 3/8" x 12" (9.5mm x 305mm)
AT15C 3/8" x 15" (9.5mm x 381mm)
AT18C 3/8" x 18" (9.5mm x 458mm)
AT24C 3/8" x 24" (9.5mm x 610mm)
AT36C 3/8" x 36" (9.5mm x 915mm)
AT48C 3/8" x 48" (9.5mm x 1220mm)
TINNED AT12T 3/8" x 12" (9.5mm x 305mm)
AT15T 3/8" x 15" (9.5mm x 381mm)
AT18T 3/8" x 18" (9.5mm x 458mm)
AT24T 3/8" x 24" (9.5mm x 610mm)
LEADED AT36L 3/8" x 36" (9.5mm x 915mm)
AT48L 3/8" x 48" (9.5mm x 1220mm)
FULL NICKEL AT12N 3/8" x 12" (9.5mm x 305mm)
AT15N 3/8" x 15" (9.5mm x 381mm)
AT18N 3/8" x 18" (9.5mm x 458mm)
AT24N 3/8" x 24" (9.5mm x 610mm)
AT36N 3/8" x 36" (9.5mm x 915mm)
AT48N 3/8" x 48" (9.5mm x 1220mm)

Air Terminal, Tapered
Class II – 1/2" (12.7mm) diameter, 3-1/2" (88.9mm) taper,
threaded base, UL listed.

COPPER AT110C 1/2" x 10" (12.7mm x 254mm)
AT112C 1/2" x 12" (12.7mm x 305mm)
AT115C 1/2" x 15" (12.7mm x 381mm)
AT118C 1/2" x 18" (12.7mm x 458mm)
AT124C 1/2" x 24" (12.7mm x 610mm)
AT136C 1/2" x 36" (12.7mm x 915mm)
AT148C 1/2" x 48" (12.7mm x 1220mm)
TINNED AT112T 1/2" x 12" (12.7mm x 305mm)
AT115T 1/2" x 15" (12.7mm x 381mm)
AT118T 1/2" x 18" (12.7mm x 458mm)
AT124T 1/2" x 24" (12.7mm x 610mm)
LEADED AT136L 1/2" x 36" (12.7mm x 915mm)
AT148L 1/2" x 48" (12.7mm x 1220mm)
FULL NICKEL AT112N 1/2" x 12" (12.7mm x 305mm)
AT115N 1/2" x 15" (12.7mm x 381mm)
AT118N 1/2" x 18" (12.7mm x 458mm)
AT124N 1/2" x 24" (12.7mm x 610mm)
AT136N 1/2" x 36" (12.7mm x 915mm)
AT148N 1/2" x 48" (12.7mm x 1220mm)

All air terminals are available in any length
to twelve feet (365.75cm).


Air Terminal, Blunt
BLUNT AIR TERMINALS
AT Class I – 1/2" (12.7mm) diameter, threaded base, UL listed.
ALUMINUM AT10AB 1/2" x 10" (12.7mm x 254mm)
AT12AB 1/2" x 12" (12.7mm x 305mm)
AT15AB 1/2" x 15" (12.7mm x 381mm)
AT18AB 1/2" x 18" (12.7mm x 458mm)
AT24AB 1/2" x 24" (12.7mm x 610mm)
AT36AB 1/2" x 36" (12.7mm x 915mm)
AT48AB 1/2" x 48" (12.7mm x 1220mm)

Air Terminal, Blunt
Class II – 5/8" (15.9mm) diameter, threaded base, UL listed.
ALUMINUM AT110AB 5/8" x 10" (15.9mm x 254mm)
AT112AB 5/8" x 12"(15.9mm x 305mm)
AT115AB 5/8" x 15"(15.9mm x 381mm)
AT118AB 5/8" x 18" (15.9mm x 458mm)
AT124AB5/8" x 24" (15.9mm x 610mm)
AT136AB 5/8" x 36" (15.9mm x 915mm)
AT148AB 5/8" x 48" (15.9mm x 1220mm)

Air Terminal, Blunt
Class I – 3/8" (9.5mm) diameter, threaded base, UL listed.
COPPER AT10CB 3/8" x 10" (9.5mm x 254mm)
AT12CB 3/8" x 12" (9.5mm x 305mm)
AT15CB 3/8" x 15" (9.5mm x 381mm)
AT18CB 3/8" x 18" (9.5mm x 458mm)
AT24CB 3/8" x 24" (9.5mm x 610mm)
AT36CB 3/8" x 36" (9.5mm x 915mm)
AT48CB 3/8" x 48" (9.5mm x 1220mm)

Air Terminal, Blunt
Class II – 1/2" (12.7mm) diameter, threaded base, UL listed.
COPPER AT110CB 1/2" x 10" (12.7mm x 254mm)
AT112CB 1/2" x 12" (12.7mm x 305mm)
AT115CB 1/2" x 15" (12.7mm x 381mm)
AT118CB 1/2" x 18" (12.7mm x 458mm)
AT124CB 1/2" x 24" (12.7mm x 610mm)
AT136CB 1/2" x 36" (12.7mm x 915mm)
AT148CB 1/2" x 48" (12.7mm x 1220mm)

Air Terminal, Blunt
Class II – 5/8" (15.9mm) diameter, threaded base, UL listed.
COPPER AT210CB 5/8" x 10" (15.9mm x 254mm)
AT212CB 5/8" x 12" (15.9mm x 305mm)
AT215CB 5/8" x 15" (15.9mm x 381mm)
AT218CB 5/8" x 18" (15.9mm x 458mm)
AT224CB 5/8" x 24" (15.9mm x 610mm)
AT236CB 5/8" x 36" (15.9mm x 915mm)
AT248CB 5/8" x 48" (15.9mm x 1220mm)

All air terminals are available in any length
to twelve feet (365.75cm).


Air Terminal Brace
TERMINAL BRACES
Galvanized steel tripod braces for use with air terminals up to 5/8" (15.9mm) in diameter.
TB18 18" (45.7cm)
TB24 24" (61cm)
TB36 36" (91.4cm)
TB48 48" (122cm)

As above with cast aluminum or bronze feet for adhesive applications.

BRACE WITH ALUMINUM FEET TB18A 18" (45.7cm)
TB24A 24" (61cm)
TB36A 36" (91.4cm)
TB48A 48" (122cm)
BRACE WITH BRONZE FEET TB18B 18" (45.7cm)
TB24B 24" (61cm)
TB36B 36" (91.4cm)
TB48B 48" (122cm)

Rod Coupling
ROD COUPLING - RC

For threaded rod to threaded rod or air terminal connection. Fabricated from 3/4" (19mm) aluminum or brass hex stock.
Available with 3/8" (9.5mm), 1/2" (12.7mm) or 5/8" (15.9mm) internal threads, in combinations to meet your requirements.
Approximately 1-1/4" x 3/4" (32mm x 19mm).

BRASS ALUMINUM RC3/8B RC1/2A
RC1/2B RC5/8A
RC1/2-3/8B RC1/2-5/8A
RC5/8B RC5/8G-1/2A
RC5/8-1/2B RC5/8G-5/8A
RC5/8G-3/8B

Rod Couplings are also available in stainless


Spring Adapter
Spring Adapter - SA

Use Spring Adapters when safety requirements preclude the use of rigid air terminals. Stainless steel spring is 3.5" (89mm) long. Ends are fabricated from 3/4" (19mm) round aluminum or brass rod stock. Top end is threaded female and has a 12" (30.5cm) stainless steel safety cable. Bottom end is threaded male.

ALUMINUM SA 1/2-1/2A 1/2" female to 1/2" male
SA1/2-5/8A 1/2" female to 5/8" male
SA5/8-1/2A 5/8" female to 1/2" male
SA5/8-5/8A 5/8" female to 5/8" male
BRONZE SA3/8-3/8B 3/8" female to 3/8" male
SA3/8-1/2B 3/8" female to 1/2" male
SA1/2-3/8B 1/2" female to 3/8" male
SA1/2-1/2B 1/2" female to 1/2" male

When ordering air terminals for use with spring adapters, keep in mind that air terminal length should not exceed 18 (45.7cm) inches. Spring adapters are not recommended for use with 5/8" diameter copper air terminals.


Cast Swivel Couplings
CAST SWIVEL COUPLINGS - SC

For male to female or female to female connections. Cast bronze or aluminum with stainless steel fasteners. Available with 3/8" (9.5mm), 1/2" (12.7mm) or 5/8" (15.9mm) threads, in combinations to meet your requirements.

Female to female 3" x 3/4" (76mm x 19mm).
Female to male 4" x 3/4" (102mm x 19mm).

BRASS ALUMINUM
SC3/8F-3/8FB SC1/2F-5/8FB SC1/2F-1/2FA
SC3/8F-3/8MB SC1/2F-5/8MB SC1/2F-1/2MA
SC3/8F-1/2FB SC5/8F-1/2MB SC1/2F-5/8FA
SC3/8F-1/2MB SC5/8F-5/8FB SC1/2F-5/8MA
SC1/2F-3/8MBB SC5/8F-5/8MB SC5/8F-1/2MA
SC1/2F-1/2FBB   SC5/8F-5/8FA
SC1/2F-1/2MBB   SC5/8F-5/8MA

NOTE: Cast Swivel Couplings are also available tinned.


Air Terminal Bushing
Air Terminal Bushing

AD1B Brass thread size reducer bushing. Converts 1/2" to 3/8". Approximately 1/2" (1.127cm) diameter x 3/4" (1.9cm). Approximately .31 oz.


Air Terminal Adapter
Air Terminal Adapter

AD2A Aluminum 1/2" male to 5/8" female adapter for base to air terminal or threaded rod connections. 1-3/4" x 3/4" (45mm x 19mm).

Approximately 1.4 oz. (40 grams). AD2B As above in brass.

1-3/4" x 3/4" (45mm x 19mm). Approximately 4.2 oz. (119 grams).


Air Terminal Coupling
Air Terminal Coupling

ATC3/8B Slender, cylindrical brass coupling for connecting 3/8" air terminal to 3/8" threaded rod or solid rod section. 1-1/2" x 1/2" (38.1mm x 12.7mm).

ATC1/2B As above for 1/2" air terminal to 1/2" threaded rod. 1-1/2" x 5/8" (38.1mm x 15.8mm).


Ball Tip
Air Terminal Safety Tips

Brass Ball Brass air terminal safety tip. 1 inch (25.4mm) diameter sphere. Internally threaded for attachment to rod extension pieces. Approximately 4 oz. (113 grams). Specify 3/8, 1/2, or 5/8 thread size.

Aluminum Ball Approximately 1.6 oz. (45 grams).

Specify 1/2 or 5/8 thread size.


Bullet Tip
BRASS BULLET HEX AIR TERMINAL SAFETY TIP.

Slips over existing air terminal tip and is held in place with a stainless steel set screw 4" x 3/4" (101.6mm x 19.05mm).
Approximately 10.7 oz. (303 grams).

Aluminum Bullet Approximately 4.3 oz. (122 grams).

NOTE: Disk type air terminal tops are also available.