SERIES 551

OVERPRESSURE VALVES

SERIES 551 OVERPRESSURE VALVES

Category: BRASS VALVES

Surface treatments applicable: TM1-TM4 upon request

Notes: 0

Brass overpressure valves, series 551
  • Reliable
  • Safety
  •  THREADS
    •  ISO 228 (BSP) cylindrical gas
    •  ISO 7 (BSPT) conical gas
  • TEMPERATURE:
    • -15°C ÷ +160°C (FKM)
    • -30°C ÷ +145°C (EPDM)
  • SET PRESSURE: 1.5 ÷ 18 bar
Fluids: air, water, other fluids after checking compatibility
The main construction components of the valves of the 551 series are:
Brass body and components
AISI 302 spring
EPDM or FKM sealing gaskets
models
551
551
552
552
553
553
554
554
555
555
6207
6207
7503-ì
7503-ì
7604
7604
7786
7786
7897
7897
9852
9852
453201
453201