Free exhaust safety valves
Safety Valves SLK-Series are spring loaded pressure relieving devices, suitable for discharge of compressible fluids.
SLK-series safety valves are used to protect personnel and equipment by preventing excessive pressure accumulation.
Coi Technology offers a large range of screwed and flanged valves in a variety of sizes, materials and options.
The valves are of a full nozzle type and available in Brass or steel versions.
| Model | Available connections | Setting range | Specs |
|---|---|---|---|
| SLK Type F | 1/2″ – 3/4″ NPT/GAS | da 0,5 a 160 bar | |
| SLK Type H | 1/4″ – 2″ NPT/GAS | da 0,5 a 50 bar |
Applications
- Air Compressors
- Steam generators / Boilers
- Autoclaves
- Technical gases
- Natural gas and technical gas compressors
Materials
- Brass
- AISI 316L
Design
Construction |
Free discharge |
Seat sealing type |
PTFE, PEEK, Metal to Metal |
Connections |
Screwed |
Connections types |
NPT, GAS/BSPP |
Sizes |
1/2” ÷ 2” |
Orifices |
8, 10, 14, 18, 25, 30, 38 mm |
Characteristic |
Full lift |
Overpressure |
10% |
Blowdown |
15% |
Discharge coeff. Kd |
0.937 |
Temperature range |
-196°C +250°C |
Set pressure range |
0.5 ÷ 160 barg |
Design standard |
EN 4126-1 |
Certifications
- CE PED/2014/68/EU
- ATEX 2014/34/EU
Valves for gases
Valves for liquids
Valves for cryogenics
Free exhaust valves
