Combined Pressure & Temperature Relief Valves (Fig 500T) PRESSURE RELIEF VALVES
Safety Relief Valves (Fig 542F)
Features: • Easing lever • Relief pressure can be set between 0.3 and 10.5 bar • Suitable for hot water, saturated steam, compressed air and inert gasses, CO2 (to +20°C), ethylene glycol and potable water • A viton seat option is also available on request Working Temperature: -20°C to +195°C Maximum Working Pressure: 10.5 bar
Features: • Dome top
• Relief pressure can be set between 1 and 12.5 bar for 3/4 to 1 and between 0.4 and 12.5 bar for 1.1/4 upwards • Suitable for hot water and potable water • A viton seat option is also available on request
Working Temperature: -20°C to +95°C Maximum Working Pressure: 12.5 bar
7
Flanged PN16 Inlet x BSPP Female Outlet 0115 Flange Size Thread
BSPT Male Inlet x BSPP Female Outlet 0115 Thread DN
Set Pressure Bar
Set Pressure Bar
542F-32-1 542F-32-2 542F-32-3 542F-32-4 542F-32-6 542F-40-1 542F-40-2 542F-40-3 542F-40-4 542F-40-6 542F-50-1 542F-50-2 542F-50-3 542F-50-4 542F-50-6 542F-63-1 542F-63-2 542F-63-3 542F-63-4 542F-63-6 542F-80-1 542F-80-2 542F-80-3 542F-80-4 542F-80-6
1.1/4” 1.1/4” 1.1/4” 1.1/4” 1.1/4” 1.1/2” 1.1/2” 1.1/2” 1.1/2” 1.1/2”
1.1/4” 1.1/4” 1.1/4” 1.1/4” 1.1/4” 1.1/2” 1.1/2” 1.1/2” 1.1/2” 1.1/2”
1 2 3 4 6 1 2 3 4 6 1 2 3 4 6 1 2 3 4 6 1 2 3 4 6
500T-15-1 500T-15-2 500T-15-3 500T-15-4 500T-15-5 500T-15-6 500T-20-1 500T-20-2 500T-20-3 500T-20-4 500T-20-5 500T-20-6 500T-25-1 500T-25-2 500T-25-3 500T-25-4 500T-25-5 500T-25-6 500T-32-1 500T-32-2 500T-32-3 500T-32-4 500T-32-5 500T-32-6 400T-40-1 400T-40-2 400T-40-3 400T-40-4 400T-40-5 400T-40-6 500T-50-1 500T-50-2 500T-50-3 500T-50-4 500T-50-5 500T-50-6
3/4” 3/4” 3/4” 3/4” 3/4” 3/4”
15 15 15 15 15 15 20 20 20 20 20 20 25 25 25 25 25 25 32 32 32 32 32 32 40 40 40 40 40 40 50 50 50 50 50 50
1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6
1” 1” 1” 1” 1” 1”
2” 2” 2” 2” 2”
2” 2” 2” 2” 2”
1.1/4” 1.1/4” 1.1/4” 1.1/4” 1.1/4” 1.1/4” 1.1/2” 1.1/2” 1.1/2” 1.1/2” 1.1/2” 1.1/2”
2.1/2” 2.1/2” 2.1/2” 2.1/2” 2.1/2”
2.1/2” 2.1/2” 2.1/2” 2.1/2” 2.1/2”
3” 3” 3” 3” 3”
3” 3” 3” 3” 3”
2” 2” 2” 2” 2” 2”
Tech Sheet 20442
2.1/2” 2.1/2” 2.1/2” 2.1/2” 2.1/2” 2.1/2”
Please Note: due to pressure setting and certification of this product, normal delivery will be up to 3 working days (manufacturers stock permitting), although a quicker service may be available if required. Please contact our sales team.
Tech Sheet 20441
We have listed all the popular sizes and pressure ratings, however other variations are available.
Individual test certificates to be requested at the time of orde
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