Fluid Power Services 2026-2027

Double Lock and Macdonald Couplings

Double Lock Couplings

Specification Max. working pressure 10 bar (145 psi) Temperature range

-40°C to +95°C (-40°F to +203°F)

Material

Plated iron

Three

Hose Barb with Collar Plated Iron Part Number

0905

Hose Barb Plated Iron

Hose ID

AI-QDHEC075 AI-QDHEC100

3/4”

0905

1”

Part Number AI-QDHE038M AI-QDHE050M AI-QDHE075M AI-QDHE100M

Hose ID

3/8” 1/2” 3/4”

1”

BSPP Female Adaptor Plated Iron Part Number

0905

Thread

AI-QDF038M AI-QDF050M AI-QDF075M AI-QDF100M

3/8” BSPP 1/2” BSPP 3/4” BSPP

BSPT Male Adaptor Plated Iron Part Number

0905

1” BSPP

Thread

AI-QDM038M AI-QDM050M AI-QDM075M AI-QDM100M

3/8” BSPT 1/2” BSPT 3/4” BSPT

NBR Seal for Double Lock Fittings Part Number

0905

1” BSPT

Description

AI-QDM4

NBR seal

Macdonald Couplings

Straight Through

Features • Bayonet couplings that eliminate the risk of accidental disconnection • Ideal for applications where a robust fitting is required

Specifications Max. working pressure for air

20 bar (300 psi)

Male Head Hose Barb

Female Head Hose Barb Part Number

0907

0907

Part Number AI-HM038S AI-HM050S AI-HM075S

Hose ID

Hose ID

AI-HF038S AI-HF050S AI-HF075S AI-HF100S

3/8” 1/2” 3/4”

3/8” 1/2” 3/4”

1”

Male Head Male Thread

Female Head Male Thread Part Number

0907

0907

Part Number AI-OM038S AI-OM050S AI-OM075S AI-OM100S

Thread

Thread

3/8” 1/2” 3/4”

AI-OF038S AI-OF050S AI-OF075S AI-OF100S

3/8” 1/2” 3/4”

1”

1”

Male Head Female Thread Part Number

Female Head Female Thread Part Number

0907

0907

Thread

Thread

AI-IM038S AI-IM050S AI-IM075S AI-IM100S

3/8” 1/2” 3/4”

AI-IF038S AI-IF050S AI-IF075S AI-IF100S

3/8” 1/2” 3/4”

1”

1”

3.62