Direct-Acting Pressure Safety Valves

The direct-acting pressure safety valves are intended for the equipment protection against overpressure of the working medium higher than the allowed value.

The valve is closed in case of steam pressure reduction in the site protected up to a definite value of the working pressure.

Designation	DN, mm	PN, MPa	Body Material, Steel	Full Weight, kg
15с-1-1	25	1	20	3,7
17с-1-2	32	1	20	4,5
15с-2-2	32	1,6	20	7
17с-1-3	40	1	20	4,9
17с-2-3	40	1	20	7,8
Т-31МС-1	50	6,3	20	48
Т-31МС-2	50	6,3	20	47
Т-31МС-3	50	6,3	20	44
Т-131МС	50	10	20	48
Т-32МС-1	80	6,3	20	76
Т-32МС-2	80	6,3	20	72
Т-32МС-3	80	6,3	20	71
Т-132МС	80	10	20	76

Designation	DN, mm	PN, MPa	Body Material, Steel	Full Weight, kg
15с-1-1	25	1	20	3,7
17с-1-2	32	1	20	4,5
15с-2-2	32	1,6	20	7
17с-1-3	40	1	20	4,9
17с-2-3	40	1	20	7,8
Т-31МС-1	50	6,3	20	48
Т-31МС-2	50	6,3	20	47
Т-31МС-3	50	6,3	20	44
Т-131МС	50	10	20	48
Т-32МС-1	80	6,3	20	76
Т-32МС-2	80	6,3	20	72
Т-32МС-3	80	6,3	20	71
Т-132МС	80	10	20	76