Autolok™ Self-Locking Quick Couplings
Autolok™ by OPW represents the most significant development in quick-disconnect cam and groove coupling design. It utilizes a patented locking arm design that ensures the arms are locked automatically when closed. Opening is a simple matter of tugging the finger rings™, eliminating the use of clips, pins or buttons.
If operator safety and fluid integrity are important to your business: specify authentic OPW AUTOLOK™ quick couplings, recognized as the industry’s safest and sturdiest cam and groove coupling system.
Only the original Autolok™ quick couplers come with the patented smooth-action arms to ensure hassle free operation. Always specify authentic OPW Autolok™ to ensure safety, cleanliness and reliability.
Features & Benefits
- The Only Original
- Not affected by process vibrations
- Twin-Kam™ arms, prevent unintentional arm release beyond 45º
- Added protection, exclusive Twin-Kam™ arm design with special detent provide extra protection against accidental release or uncoupling.
- GFL™ Guaranteed For Life cam arms
- 316 Stainless Steel, EN10204-3.1 material certification available
- Cam and Groove design provides reliable smooth operation in 360º orientation
- Ease of use Arms lock automatically. No clips to insert or remove, no spring-loaded button to push.
- Spring-Ring™ finger-rings, rings will not get trapped under the arms so opening and closing is quick and easy
- Heavy-duty construction
- Best value, built to the highest quality standards with unique ease of use and safety features makes OPW Autolok™ the best overall value in the market
Standard Configuration
- finger rings are standard on all sizes
AL = aluminium BR = bronze SS = 316 Stainless Steel PP = polypropylene
733BBL Coupler (BSPT)
| mm | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 |
| inch | ½ | ¾ | 1 | 1¼ | 1½ | 2 | 2½ | 3 | 4 | 5 | 6 | 8 |
| AL | – | – | – | – | – | – | – | – | – | – | – | – |
| BR | – | – | – | – | – | – | – | – | – | – | – | – |
| SS | • | • | • | • | • | • | • | • | • | – | – | – |
| PP | – | – | – | – | – | – | – | – | – | – | – | – |
733CL Coupler
with hose shank
| mm | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 |
| inch | ½ | ¾ | 1 | 1¼ | 1½ | 2 | 2½ | 3 | 4 | 5 | 6 | 8 |
| AL | – | – | – | – | – | – | – | – | – | – | – | – |
| BR | – | – | – | – | – | – | – | – | – | – | – | – |
| SS | – | • | • | • | • | • | • | • | • | – | – | – |
| PP | – | – | – | – | – | – | – | – | – | – | – | – |
733CCL Coupler
with hose shank for use with reusable hoseclamps to DIN2817
| mm | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 |
| inch | ½ | ¾ | 1 | 1¼ | 1½ | 2 | 2½ | 3 | 4 | 5 | 6 | 8 |
| AL | – | – | – | – | – | – | – | – | – | – | – | – |
| BR | – | – | – | – | – | – | – | – | – | – | – | – |
| SS | – | • | • | • | • | • | • | • | • | – | – | – |
| PP | – | – | – | – | – | – | – | – | – | – | – | – |
733DBSL Coupler (BSPP)
with female thread
| mm | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 |
| inch | ½ | ¾ | 1 | 1¼ | 1½ | 2 | 2½ | 3 | 4 | 5 | 6 | 8 |
| AL | – | – | – | – | – | – | – | – | – | – | – | – |
| BR | – | – | – | – | – | – | – | – | – | – | – | – |
| SS | • | • | • | • | • | • | • | • | • | – | – | – |
| PP | – | – | – | – | – | – | – | – | – | – | – | – |
733DBSFL Coupler (BSPP)
with Thread Gasket (DIN2828)
| mm | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 |
| inch | ½ | ¾ | 1 | 1¼ | 1½ | 2 | 2½ | 3 | 4 | 5 | 6 | 8 |
| AL | – | – | – | – | – | – | – | – | – | – | – | – |
| BR | – | – | – | – | – | – | – | – | – | – | – | – |
| SS | • | • | • | • | • | • | • | • | • | – | – | – |
| PP | – | – | – | – | – | – | – | – | – | – | – | – |
733DCL dustcap
| mm | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 |
| inch | ½ | ¾ | 1 | 1¼ | 1½ | 2 | 2½ | 3 | 4 | 5 | 6 | 8 |
| AL | – | – | – | – | – | – | – | – | – | – | – | – |
| BR | – | – | – | – | – | – | – | – | – | – | – | – |
| SS | –* | • | • | • | • | • | • | • | • | – | – | – |
| PP | – | – | – | – | – | – | – | – | – | – | – | – |
*3/4 is suitable for 1/2
SS Butt-Weld AUTOLOK™ 733BWDL-SS
| mm | inch | A | B | C | D | E |
| 15 | 0.5 | 48 | 12 | 42 | 2.3 | 21.3 |
| 20 | 0.75 | 48 | 12 | 42 | 2.6 | 26.9 |
| 25 | 1 | 62 | 21 | 46 | 2.6 | 33.7 |
| 32 | 1.25 | 71 | 22 | 58 | 2.6 | 42.4 |
| 40 | 1.5 | 72 | 22 | 66 | 2.6 | 48.3 |
| 50 | 2 | 78 | 26 | 79 | 2.9 | 60.3 |
| 65 | 2.5 | 79 | 22 | 89 | 2.9 | 76.1 |
| 80 | 3 | 90 | 33 | 110 | 3.2 | 88.9 |
| 100 | 4 | 98 | 39 | 141 | 3.6 | 114.3 |
| <---------------Dimensions in MM-----------> | ||||||
SS Butt-Weld AUTOLOK 733BWHL-SS
| mm | inch | A | B | 0C | D | 0E | F |
| 15 | 0.5 | 48 | 12 | 42 | 1.6 | 21.3 | 7 |
| 20 | 0.75 | 48 | 12 | 42 | 1.6 | 26.9 | 7 |
| 25 | 1 | 62 | 21 | 46 | 2 | 33.7 | 7 |
| 32 | 1.25 | 71 | 22 | 58 | 2 | 42.4 | 7 |
| 40 | 1.5 | 72 | 22 | 66 | 2 | 48.3 | 7 |
| 50 | 2 | 78 | 26 | 79 | 2 | 60.3 | 8 |
| 65 | 2.5 | 79 | 22 | 89 | 2.3 | 76.1 | 10 |
| 80 | 3 | 90 | 33 | 110 | 2.3 | 88.9 | 10 |
| 100 | 4 | 98 | 39 | 141 | 2.6 | 114.3 | 12 |
| <---------------Dimensions in MM-----------> | |||||||
DIN Flanged SS AUTOLOK™ 733LBS-SS DIN PN 10/16
| mm | inch | 0k | 0D | h | n | 0d |
| 15 | 0.5 | 65 | 95 | 14 | 4 | 14 |
| 20 | 0.75 | 75 | 105 | 16 | 4 | 14 |
| 25 | 1 | 85 | 115 | 16 | 4 | 14 |
| 32 | 1.25 | 100 | 140 | 16 | 4 | 18 |
| 40 | 1.5 | 110 | 150 | 16 | 4 | 18 |
| 50 | 2 | 125 | 165 | 18 | 4 | 18 |
| 65 | 2.5 | 145 | 185 | 18 | 4 | 18 |
| 80 | 3 | 160 | 200 | 20 | 8 | 18 |
| <---------------Dimensions in MM-----------> | ||||||
ANSI Flanged SS AUTOLOK™ 733LBS-SS ANSI 150lbs
| mm | inch | 0k | 0D | h | n | 0d |
| 15 | 0.5 | 60.5 | 88.9 | 11.2 | 4 | 15.7 |
| 20 | 0.75 | 69.9 | 98.6 | 12.7 | 4 | 15.7 |
| 25 | 1 | 79.2 | 108 | 14.2 | 4 | 15.7 |
| 32 | 1.25 | 88.9 | 117.3 | 15.7 | 4 | 15.7 |
| 40 | 1.5 | 98.6 | 127 | 17.5 | 4 | 15.7 |
| 50 | 2 | 102.7 | 152.4 | 19.1 | 4 | 19.1 |
| 65 | 2.5 | - | - | - | - | - |
| 80 | 3 | 152.4 | 190.5 | 23.9 | 4 | 19.1 |
| <---------------Dimensions in MM-----------> | ||||||
Ordering Guide
Downloads
-
Kamlok Autolok Brochure
Features & Benefits
- The Only Original
- Not affected by process vibrations
- Twin-Kam™ arms, prevent unintentional arm release beyond 45º
- Added protection, exclusive Twin-Kam™ arm design with special detent provide extra protection against accidental release or uncoupling.
- GFL™ Guaranteed For Life cam arms
- 316 Stainless Steel, EN10204-3.1 material certification available
- Cam and Groove design provides reliable smooth operation in 360º orientation
- Ease of use Arms lock automatically. No clips to insert or remove, no spring-loaded button to push.
- Spring-Ring™ finger-rings, rings will not get trapped under the arms so opening and closing is quick and easy
- Heavy-duty construction
- Best value, built to the highest quality standards with unique ease of use and safety features makes OPW Autolok™ the best overall value in the market
Standard Configuration
- finger rings are standard on all sizes
AL = aluminium BR = bronze SS = 316 Stainless Steel PP = polypropylene
733BBL Coupler (BSPT)
| mm | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 |
| inch | ½ | ¾ | 1 | 1¼ | 1½ | 2 | 2½ | 3 | 4 | 5 | 6 | 8 |
| AL | – | – | – | – | – | – | – | – | – | – | – | – |
| BR | – | – | – | – | – | – | – | – | – | – | – | – |
| SS | • | • | • | • | • | • | • | • | • | – | – | – |
| PP | – | – | – | – | – | – | – | – | – | – | – | – |
733CL Coupler
with hose shank
| mm | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 |
| inch | ½ | ¾ | 1 | 1¼ | 1½ | 2 | 2½ | 3 | 4 | 5 | 6 | 8 |
| AL | – | – | – | – | – | – | – | – | – | – | – | – |
| BR | – | – | – | – | – | – | – | – | – | – | – | – |
| SS | – | • | • | • | • | • | • | • | • | – | – | – |
| PP | – | – | – | – | – | – | – | – | – | – | – | – |
733CCL Coupler
with hose shank for use with reusable hoseclamps to DIN2817
| mm | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 |
| inch | ½ | ¾ | 1 | 1¼ | 1½ | 2 | 2½ | 3 | 4 | 5 | 6 | 8 |
| AL | – | – | – | – | – | – | – | – | – | – | – | – |
| BR | – | – | – | – | – | – | – | – | – | – | – | – |
| SS | – | • | • | • | • | • | • | • | • | – | – | – |
| PP | – | – | – | – | – | – | – | – | – | – | – | – |
733DBSL Coupler (BSPP)
with female thread
| mm | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 |
| inch | ½ | ¾ | 1 | 1¼ | 1½ | 2 | 2½ | 3 | 4 | 5 | 6 | 8 |
| AL | – | – | – | – | – | – | – | – | – | – | – | – |
| BR | – | – | – | – | – | – | – | – | – | – | – | – |
| SS | • | • | • | • | • | • | • | • | • | – | – | – |
| PP | – | – | – | – | – | – | – | – | – | – | – | – |
733DBSFL Coupler (BSPP)
with Thread Gasket (DIN2828)
| mm | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 |
| inch | ½ | ¾ | 1 | 1¼ | 1½ | 2 | 2½ | 3 | 4 | 5 | 6 | 8 |
| AL | – | – | – | – | – | – | – | – | – | – | – | – |
| BR | – | – | – | – | – | – | – | – | – | – | – | – |
| SS | • | • | • | • | • | • | • | • | • | – | – | – |
| PP | – | – | – | – | – | – | – | – | – | – | – | – |
733DCL dustcap
| mm | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 |
| inch | ½ | ¾ | 1 | 1¼ | 1½ | 2 | 2½ | 3 | 4 | 5 | 6 | 8 |
| AL | – | – | – | – | – | – | – | – | – | – | – | – |
| BR | – | – | – | – | – | – | – | – | – | – | – | – |
| SS | –* | • | • | • | • | • | • | • | • | – | – | – |
| PP | – | – | – | – | – | – | – | – | – | – | – | – |
*3/4 is suitable for 1/2
SS Butt-Weld AUTOLOK™ 733BWDL-SS
| mm | inch | A | B | C | D | E |
| 15 | 0.5 | 48 | 12 | 42 | 2.3 | 21.3 |
| 20 | 0.75 | 48 | 12 | 42 | 2.6 | 26.9 |
| 25 | 1 | 62 | 21 | 46 | 2.6 | 33.7 |
| 32 | 1.25 | 71 | 22 | 58 | 2.6 | 42.4 |
| 40 | 1.5 | 72 | 22 | 66 | 2.6 | 48.3 |
| 50 | 2 | 78 | 26 | 79 | 2.9 | 60.3 |
| 65 | 2.5 | 79 | 22 | 89 | 2.9 | 76.1 |
| 80 | 3 | 90 | 33 | 110 | 3.2 | 88.9 |
| 100 | 4 | 98 | 39 | 141 | 3.6 | 114.3 |
| <---------------Dimensions in MM-----------> | ||||||
SS Butt-Weld AUTOLOK 733BWHL-SS
| mm | inch | A | B | 0C | D | 0E | F |
| 15 | 0.5 | 48 | 12 | 42 | 1.6 | 21.3 | 7 |
| 20 | 0.75 | 48 | 12 | 42 | 1.6 | 26.9 | 7 |
| 25 | 1 | 62 | 21 | 46 | 2 | 33.7 | 7 |
| 32 | 1.25 | 71 | 22 | 58 | 2 | 42.4 | 7 |
| 40 | 1.5 | 72 | 22 | 66 | 2 | 48.3 | 7 |
| 50 | 2 | 78 | 26 | 79 | 2 | 60.3 | 8 |
| 65 | 2.5 | 79 | 22 | 89 | 2.3 | 76.1 | 10 |
| 80 | 3 | 90 | 33 | 110 | 2.3 | 88.9 | 10 |
| 100 | 4 | 98 | 39 | 141 | 2.6 | 114.3 | 12 |
| <---------------Dimensions in MM-----------> | |||||||
DIN Flanged SS AUTOLOK™ 733LBS-SS DIN PN 10/16
| mm | inch | 0k | 0D | h | n | 0d |
| 15 | 0.5 | 65 | 95 | 14 | 4 | 14 |
| 20 | 0.75 | 75 | 105 | 16 | 4 | 14 |
| 25 | 1 | 85 | 115 | 16 | 4 | 14 |
| 32 | 1.25 | 100 | 140 | 16 | 4 | 18 |
| 40 | 1.5 | 110 | 150 | 16 | 4 | 18 |
| 50 | 2 | 125 | 165 | 18 | 4 | 18 |
| 65 | 2.5 | 145 | 185 | 18 | 4 | 18 |
| 80 | 3 | 160 | 200 | 20 | 8 | 18 |
| <---------------Dimensions in MM-----------> | ||||||
ANSI Flanged SS AUTOLOK™ 733LBS-SS ANSI 150lbs
| mm | inch | 0k | 0D | h | n | 0d |
| 15 | 0.5 | 60.5 | 88.9 | 11.2 | 4 | 15.7 |
| 20 | 0.75 | 69.9 | 98.6 | 12.7 | 4 | 15.7 |
| 25 | 1 | 79.2 | 108 | 14.2 | 4 | 15.7 |
| 32 | 1.25 | 88.9 | 117.3 | 15.7 | 4 | 15.7 |
| 40 | 1.5 | 98.6 | 127 | 17.5 | 4 | 15.7 |
| 50 | 2 | 102.7 | 152.4 | 19.1 | 4 | 19.1 |
| 65 | 2.5 | - | - | - | - | - |
| 80 | 3 | 152.4 | 190.5 | 23.9 | 4 | 19.1 |
| <---------------Dimensions in MM-----------> | ||||||
Ordering Guide
Downloads
-
Kamlok Autolok Brochure
Need help? Contact support.
Customer Support
Reach Out to Our Customer Support Team for Prompt Assistance and Answers to Any Questions or Concerns You May Have
Technical Support
Contact Us for Technical Support on Your Projects and Resolving Any Technical Issues You Encounter
Contact a Distributor
Locate a Nearby Distributor for Replacement Parts
Product Enquiry
Product Information request form to find the right solution
OPW CORPORATE HEADQUARTERS
9393 Princeton-Glendale Road
Hamilton, Ohio, USA 45011
Copyright © 2026 OPW, A Dover Company, and its affiliated entities.