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Parker 21 Series Safety Quick Coupling
Parker's Safety Quick Coupling Series 21 is a mini industrial coupling with the world's most popular profile in this nominal diameter. It is a coupling series with above average flow performance for liquid and gaseous media. Series 21 Safety Quick Coupling also uses an additional safety locking system which prevents unintentional disconnection. When being disconnected, the plug must first be pushed further into the coupling before it can be disconnected.
Safety Quick Coupling with a Worldwide Used Profile and Additional Safety Locking, Series 21
Safety quick coupling system with nominal diameter 5 for pneumatic and fluid handling applications in the rescue market up to 35 bar. Coupling system with the world's most popular profile in this nominal diameter. Available made of brass.
| Minimum Operating Temperature: |
-20 °C |
| Diameter: |
Nominal: 5.0 mm |
| Application: |
Rescue |
| Brand: |
Rectus |
| Fitting Connection Type: |
various |
| Interchange Type: |
Rectus Profile |
| Materials of Construction: |
Brass |
| Maximum Operating Pressure: |
500 psi, 35 bar |
| Maximum Operating Temperature: |
212 °F, 100 °C |
| Media: |
Gases, Pneumatic Media, Water |
|
| Valve Type: |
Poppet |
| Seal Material: |
NBR |
| Valve Included: |
Yes, No |
| Length: |
25 up to 60 mm |
| Hex Size: |
14 up to 19 mm |
| Outside Diameter: |
9 up to 16 mm |
| Flow Rate: |
310 to 560 L/min |
Markets:
- Machinery Construction
- Life Science
- Process
- Rescue Equipment
- Aerospace
Features/Benefits:
- Above average flow performance
- Additional safety locking system to prevent unintentional disconnection
Applications:
- Rescue Applications
- Breathing Air
Related Documents
Literature and Reference Materials
Catalog 3800 Quick Coupling Products
Catalogue Page Parker Rectus Series 21 Safety
Datasheet Series 21 Safety Double-Shut-Off Version
Datasheet Series 21 Safety Single-Shut-Off Version
Instructions for use - Safety-Couplings
Overview of couplings for vacuum applications
Safety Quick Coupling with a Worldwide Used Profile and Additional Safety Locking, Series 21
Part |
Type |
Version |
Connection Type |
Connection Thread Size (inch) |
21KDAW10MPN |
Coupling - Safety |
Double Shut-Off |
Male Thread - parallel |
1/8 |
21KDAW13MPN |
Coupling - Safety |
Double Shut-Off |
Male Thread - parallel |
1/4 |
21KDAW17MPN |
Coupling - Safety |
Double Shut-Off |
Male Thread - parallel |
3/8 |
21KDIW10MPN |
Coupling - Safety |
Double Shut-Off |
Female Thread - metric |
1/8 |
21KDIW13MPN |
Coupling - Safety |
Double Shut-Off |
Female Thread - metric |
1/4 |
21KDIW17MPN |
Coupling - Safety |
Double Shut-Off |
Female Thread - metric |
3/8 |
21KDTF06MPN |
Coupling - Safety |
Double Shut-Off |
Hose Barb |
na |
21KDTF10MPN |
Coupling - Safety |
Double Shut-Off |
Hose Barb |
na |
21KSAD12MPN |
Coupling - Safety |
Single Shut-Off |
Male Thread - metric |
na |
21KSAD12MPX |
Coupling - Safety |
Single Shut-Off |
Male Thread - metric |
na |
21KSAD14MPN |
Coupling - Safety |
Single Shut-Off |
Male Thread - metric |
na |
21KSAD14MPX |
Coupling - Safety |
Single Shut-Off |
Male Thread - metric |
na |
21KSAW10MPN |
Coupling - Safety |
Single Shut-Off |
Male Thread - parallel |
1/8 |
21KSAW10MPX |
Coupling - Safety |
Single Shut-Off |
Male Thread - parallel |
1/8 |
21KSAW13MPN |
Coupling - Safety |
Single Shut-Off |
Male Thread - parallel |
1/4 |
21KSAW13MPX |
Coupling - Safety |
Single Shut-Off |
Male Thread - parallel |
1/4 |
21KSAW17MPN |
Coupling - Safety |
Single Shut-Off |
Male Thread - parallel |
3/8 |
21KSAW17MPX |
Coupling - Safety |
Single Shut-Off |
Male Thread - parallel |
3/8 |
21KSIM12MPN |
Coupling - Safety |
Single Shut-Off |
Female Thread - metric |
na |
21KSIM12MPX |
Coupling - Safety |
Single Shut-Off |
Female Thread - metric |
na |
21KSIM14MPN |
Coupling - Safety |
Single Shut-Off |
Female Thread - metric |
na |
21KSIM14MPX |
Coupling - Safety |
Single Shut-Off |
Female Thread - metric |
na |
21KSIW10MPN |
Coupling - Safety |
Single Shut-Off |
Female Thread - parallel |
1/8 |
21KSIW10MPX |
Coupling - Safety |
Single Shut-Off |
Female Thread - parallel |
1/8 |
21KSIW13MPN |
Coupling - Safety |
Single Shut-Off |
Female Thread - parallel |
1/4 |
21KSIW13MPX |
Coupling - Safety |
Single Shut-Off |
Female Thread - parallel |
1/4 |
21KSIW17MPN |
Coupling - Safety |
Single Shut-Off |
Female Thread - parallel |
3/8 |
21KSIW17MPX |
Coupling - Safety |
Single Shut-Off |
Female Thread - parallel |
3/8 |
21KSKO06MPN |
Coupling - Safety |
Single Shut-Off |
with Plastic Hose Connection |
na |
21KSKO06MPX |
Coupling - Safety |
Single Shut-Off |
with Plastic Hose Connection |
na |
21KSKO08MPN |
Coupling - Safety |
Single Shut-Off |
with Plastic Hose Connection |
na |
21KSKO08MPX |
Coupling - Safety |
Single Shut-Off |
with Plastic Hose Connection |
na |
21KSKS06MPN |
Coupling - Safety |
Single Shut-Off |
Panel Mount with Plastic Hose Connection |
na |
21KSKS06MPX |
Coupling - Safety |
Single Shut-Off |
Panel Mount with Plastic Hose Connection |
na |
21KSKS08MPN |
Coupling - Safety |
Single Shut-Off |
Panel Mount with Plastic Hose Connection |
na |
21KSKS08MPX |
Coupling - Safety |
Single Shut-Off |
Panel Mount with Plastic Hose Connection |
na |
21KSTF04MPN |
Coupling - Safety |
Single Shut-Off |
Hose Barb |
na |
21KSTF04MPX |
Coupling - Safety |
Single Shut-Off |
Hose Barb |
na |
21KSTF05MPN |
Coupling - Safety |
Single Shut-Off |
Hose Barb |
na |
21KSTF05MPX |
Coupling - Safety |
Single Shut-Off |
Hose Barb |
na |
21KSTF06MPN |
Coupling - Safety |
Single Shut-Off |
Hose Barb |
na |
21KSTF06MPX |
Coupling - Safety |
Single Shut-Off |
Hose Barb |
na |
21KSTF08MPN |
Coupling - Safety |
Single Shut-Off |
Hose Barb |
na |
21KSTF08MPX |
Coupling - Safety |
Single Shut-Off |
Hose Barb |
na |
21KSTF09MPN |
Coupling - Safety |
Single Shut-Off |
Hose Barb |
na |
21KSTF09MPX |
Coupling - Safety |
Single Shut-Off |
Hose Barb |
na |
21KSTF10MPN |
Coupling - Safety |
Single Shut-Off |
Hose Barb |
na |
21KSTF10MPX |
Coupling - Safety |
Single Shut-Off |
Hose Barb |
na |
21KSTS04MPN |
Coupling - Safety |
Single Shut-Off |
Panel Mount with Hose Barb |
na |
21KSTS04MPX |
Coupling - Safety |
Single Shut-Off |
Panel Mount with Hose Barb |
na |
21KSTS05MPN |
Coupling - Safety |
Single Shut-Off |
Panel Mount with Hose Barb |
na |
na |
5 |
Brass nickel plated |
21KSTS05MPX |
Coupling - Safety |
Single Shut-Off |
Panel Mount with Hose Barb |
na |
na |
5 |
Brass |
21KSTS06MPX |
Coupling - Safety |
Single Shut-Off |
Panel Mount with Hose Barb |
na |
na |
6 |
Brass |
21SDAW10MPN |
Plug - Safety |
Double Shut-Off |
Male Thread - parallel |
1/8 |
na |
na |
Brass nickel plated |
21SDAW13MPN |
Plug - Safety |
Double Shut-Off |
Male Thread - parallel |
1/4 |
na |
na |
Brass nickel plated |
21SDAW17MPN |
Plug - Safety |
Double Shut-Off |
Male Thread - parallel |
3/8 |
na |
na |
Brass nickel plated |
21SDIW10MPN |
Plug - Safety |
Double Shut-Off |
Female Thread - parallel |
1/8 |
na |
na |
Brass nickel plated |
21SDIW13MPN |
Plug - Safety |
Double Shut-Off |
Female Thread - parallel |
1/4 |
na |
na |
Brass nickel plated |
21SDTF06MPN |
Plug - Safety |
Double Shut-Off |
Hose Barb |
na |
na |
6 |
Brass nickel plated |
21SDTF10MPN |
Plug - Safety |
Double Shut-Off |
Hose Barb |
na |
na |
10 |
Brass nickel plated |
21SSAW10MXN |
Plug - Safety |
Single Shut-Off |
Male Thread - parallel |
1/8 |
na |
na |
Brass nickel plated |
21SSAW10MXX |
Plug - Safety |
Single Shut-Off |
Male Thread - parallel |
1/8 |
na |
na |
Brass |
21SSAW13MXN |
Plug - Safety |
Single Shut-Off |
Male Thread - parallel |
1/4 |
na |
na |
Brass nickel plated |
21SSAW13MXX |
Plug - Safety |
Single Shut-Off |
Male Thread - parallel |
1/4 |
na |
na |
Brass |
21SSIW10MXN |
Plug - Safety |
Single Shut-Off |
Female Thread - metric |
1/8 |
na |
na |
Brass nickel plated |
21SSIW10MXX |
Plug - Safety |
Single Shut-Off |
Female Thread - metric |
1/8 |
na |
na |
Brass |
21SSIW13MXN |
Plug - Safety |
Single Shut-Off |
Female Thread - metric |
1/4 |
na |
na |
Brass nickel plated |
21SSIW13MXX |
Plug - Safety |
Single Shut-Off |
Female Thread - metric |
1/4 |
na |
na |
Brass |
21SSTF04MXN |
Plug - Safety |
Single Shut-Off |
Hose Barb |
na |
na |
4 |
Brass nickel plated |
21SSTF04MXX |
Plug - Safety |
Single Shut-Off |
Hose Barb |
na |
na |
4 |
Brass |
21SSTF06MXN |
Plug - Safety |
Single Shut-Off |
Hose Barb |
na |
na |
6 |
Brass nickel plated |
21SSTF06MXX |
Plug - Safety |
Single Shut-Off |
Hose Barb |
na |
na |
6 |
Brass |
21SSTF08MXN |
Plug - Safety |
Single Shut-Off |
Hose Barb |
na |
na |
8 |
Brass nickel plated |
21SSTF08MXX |
Plug - Safety |
Single Shut-Off |
Hose Barb |
na |
na |
8 |
Brass |
21SSTF09MXN |
Plug - Safety |
Single Shut-Off |
Hose Barb |
na |
na |
9 |
Brass nickel plated |
21SSTF09MXX |
Plug - Safety |
Single Shut-Off |
Hose Barb |
na |
na |
9 |
Brass |
21SSTF10MXN |
Plug - Safety |
Single Shut-Off |
Hose Barb |
na |
na |
10 |
Brass nickel plated |
21SSTF10MXX |
Plug - Safety |
Single Shut-Off |
Hose Barb |
na |
na |
10 |
Brass |
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fcg.cnmec@parkerdistribution.com.cn
