Universal Locking Mechanism
Patented design secures the lid to the box quickly – no nut required
Universal Locking Mechanism – The Game Changer in Securing a Valve Box
Key Features
- Works with a variety of bolts & screws
- Made of tough polymer plastic
- Uses spring action to hold bolt or screw in place
- Contains UV inhibitors; won’t rust or corrode
- Available now on select valve boxes
Fasteners Guide for the Universal Locking Mechanism
| 10 in. Round Standard Series (i.e. 111, 112) | D1200 | 14X19 in. Standard Series (i.e. 113, 114) and Pro-Spec® Series (i.e. 313, 314) | 14X19 in. Standard Series 6 in. Tapered Box with Cover (i.e. 115TBC, 116TBC) | 13X20 in. Standard Series (i.e. 117, 188) | |
|---|---|---|---|---|---|
| Minimum Bolt Length | 1-1/2 in. | 2-1/2 in. | 2-1/2 in. | 2-1/2 in. | 2-1/2 in. |
| Minimum Bolt Diameter | 5/16 in. | 3/8 in. | 3/8 in. | 3/8 in. | 3/8 in. |
| Maximum Bolt Diameter | 3/8 in. | 1/2 in. | 1/2 in. | 1/2 in. | 1/2 in. |
Universal Locking Mechanism
Yes. NDS valve boxes containing the ULM also come equipped with a landing slot for a speed nut which provides an alternate way to fasten the cover.
The Universal Locking Mechanism's design utilizes spring action to retain the bolt in place and features self-healing technology to maintain its structural integrity after each installation.
This device is molded into the valve box and contains the same UV inhibitors as all NDS valve boxes to prevent cracking.
Yes, it is made of tough polymer plastic, the same material as our boxes, and designed to withstand years of use and outdoor conditions.
No, the Universal Locking Mechanism is not a traditional nut and does not have threads to strip. Rest assured the spinning bolt is not an indication of stripping.
Most common bolts and screws will work well with the Universal Locking Mechanism. If electing to use a speed nut (not included), the threads must match between the bolt and speed nut.
