El servicio medio cumple o supera los requisitos de la OSHA
| Protectores de zanja de 4″ - Serie media | ||||||
|---|---|---|---|---|---|---|
| Modelo | Tamaño (H) | Talla (L) | Espacio libre de la tubería | Peso (lb) (est) | Capacidad del escudo (psf) (lb) | Profundidad C-60 |
| Escudo de doble pared | ||||||
| SGT-C4M412 | 4′ | 12′ | 16″ | 3464 | 2619 | 44′ |
| SGT-C4M416 | 4′ | 16′ | 16″ | 4303 | 1385 | 24′ |
| SGT-C4M420 | 4′ | 20′ | 16″ | 5141 | 855 | 17′ |
| SGT-C4M424 | 4′ | 24′ | 16″ | 5980 | 579 | 12′ |
| SGT-C4M612 | 6′ | 12′ | 40″ | 4617 | 2631 | 45′ |
| SGT-C4M616 | 6′ | 16′ | 40″ | 5814 | 1391 | 25′ |
| SGT-C4M618 | 6′ | 18′ | 40″ | 6412 | 1078 | 20′ |
| SGT-C4M620 | 6′ | 20′ | 40″ | 7011 | 859 | 19′ |
| SGT-C4M624 | 6′ | 24′ | 40″ | 8207 | 583 | 13′ |
| SGT-C4M88 | 8′ | 8′ | 64″ | 4215 | 2639 | 48′ |
| SGT-C4M810 | 8′ | 10′ | 64″ | 4993 | 2111 | 40′ |
| SGT-C4M812 | 8′ | 12′ | 64″ | 5770 | 1767 | 32′ |
| SGT-C4M816 | 8′ | 16′ | 64″ | 7325 | 1326 | 25′ |
| SGT-C4M820 | 8′ | 20′ | 64″ | 8880 | 958 | 20′ |
| SGT-C4M824 | 8′ | 24′ | 64″ | 10435 | 584 | 13′ |
| SGT-C4M1016 | 10′ | 16′ | 84″ | 9141 | 969 | 21′ |
| SGT-C4M1020 | 10′ | 20′ | 84″ | 11054 | 775 | 17′ |
