Description
Rectus 21 Series Couplers (pneumatic, air) up to 300 psi connect with Industrial Interchange Nipples except for the 1/8″ size that connects only with the 1/8″ European Profile Nipples.
Parker’s Rectus 21 Series Couplers are push to connect, single shut-off couplers that mate with nipples conforming to A-A-59439 (MIL-C-4109F, ISO 6150-B) standards. These couplers have a slim profile and are corrosion resistant with stainless steel locking balls and valve springs. The sleeve guard protects against accidental disconnection. The heavy duty version has a steel sleeve and a valve body. Couplers are available in a range of sizes and materials suitable for pressure up to 300 psi.
Rectus 21 Series Nipples (pneumatic) connect with 1/8″ Rectus 21 Series Couplers. These are small-sized, single shut-off pneumatic couplings.
Markets:
- Industrial
- Construction
- Automotive service and repair
- Factory automation
Features:
- Corrosion resistant valve with stainless steel locking balls and valve spring
- Heavy duty version has steel body and sleeve for durability
- Easy push to connect operation
- Slim profile is compact in confined spaces
- Sleeve guard protects against accidental disconnection
- Sizes 1/4″ through 3/8″ connect with nipples conforming to A-A-59439 (MIL-C-4109F, ISO 6150-B) standards for global interchangeability. :
- Unvalved nipple mates with valved coupler for a single shut-off connection
Applications:
- Air compressors
- Pneumatic air tools and hoses
- Water lines
- Grease guns
- Cleaning equipment
- Paint applicators
- Drop-down air lines
- Blow guns
- Packaging equipment
- Automation equipment






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