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Home / Products / Valves / Liquid /

Valves for the Liquid Industry


Safety Relief Valves suitable for the following industries/applications:

  • Pumping systems and Hydraulic systems
  • Thermal relief
  • Waste water management
  • Oil transfer
  • Petrochemical industries
  • Fire fighting equipment
  • Water cooling and feeding systems

    The Seetru range of safety valves for liquid applications has been designed to be compact and highly efficient. The bubble-tight sealing performance makes these valves suitable for many liquid applications including hydraulic systems, pumping systems, thermal relief, chemical storage, waste water management, oil transfer, petrochemical industry, fire fighting equipment and water cooling systems. Suitable for temperatures up to 250°C.

    The valves are EAC customs union (Russia, Belarus and Kazakhstan) approved and comply with the requirements of Pressure Equipment Directive, PED (CE marked). This range of valves has the option of either elastomer sealing or metal-to-metal sealing.

    Seetru safety relief valves are now supplied UKCA approved and marked

    LGS Same Day Despatch
    LGS® Same Day Despatch
    		WRAS Approved Enclosed Discharge Safety Relief ValvesBronze and Brass Construction with PTFE or EPDM sealingSizes from:
    DN15 = 1/2" x 1/2"
    to DN65 = 2 1/2" x 2 1/2"    		Set Pressures from 0.2 to 24.0 bar
    Type 670 & 690
    Type 670 & 690
    		Enclosed Discharge Safety Relief ValvesBronze body with either Brass or Stainless Steel Inlet with Elastomer Rubber sealingInlet Connections from 3/8" to 2"" BSP, BSPT or NPT (depending on bore size)Set Pressures from 0.7 to 30 bar (depending on bore size)
    Type 680
    Type 680
    		Enclosed Discharge Safety Relief ValvesStainless Steel Construction with Elastomer Rubber sealingInlet Connections from 3/8" to 2"" BSP, BSPT or NPT (depending on bore size)Set Pressures from 0.7 to 30 bar (depending on bore size)
    Type 970 Metal Seal Safety Relief Valve For Liquid
    Type 970
    		Enclosed Discharge Safety Relief ValvesBrass inlet with either Bronze or Stainless Steel body with Metal to Metal sealingInlet Connections from 1/2" to 2" BSP, BSPT or NPT (depending on valve bore size)Set Pressures from 0.3 to 36.0 barg (depending on valve bore size)
    Type 980 Metal Seal Safety Relief Valve For Liquid
    Type 980 Threaded
    		Enclosed Discharge Safety Relief ValvesStainless Steel Construction with Metal to Metal sealingInlet Connections from 1/2" to 2" BSP, BSPT or NPT (depending on valve bore size)Set Pressures from 0.3 to 36.0 barg (depending on valve bore size)
    Type 980 Flanged
    Type 980 Flanged
    		Enclosed Discharge Safety Relief ValvesStainless Steel construction with Metal to Metal sealingDN15 (1/2"), DN20 (3/4") or DN25 (1") DIN or ANSI inlet connectionsSet Pressures from 0.3 to 33.0 barg (depending on bore size)
    Type 6L0
    Type 6L0 - Clean Service
    		Enclosed Discharge Safety Relief ValvesStainless Steel construction with FDA compliant Rubber sealingInlet Connections from 1/2” to 1” Tri-clamp® (depending on bore size)Set Pressures from 0.7 to 30.0 bar (depending on bore size)

    • Tel: +44 (0) 117 930 6100

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