A compact, high flow rate safety valve. All brass construction with resilient silicone seat seal results in a bubble tight seal to within 10% of set pressure.
Zinc-plated music wire spring.
Maximum temperature 250˚F
Set pressure range on ST-25 is 25 – 350 psi
Set pressure range on ST-33 is 70 – 200 psi
| Model | Size | Settings |
| ST-25 | 1/4” | 25 to 350 |
| ST-33 | 3/8” | 70 to 200 |
