Gresswell S2000 and S2000DT Full Lift Safety Relief Valves

Code: 20015-0-004-[1-8]
  • Full Cat IV PED approval
  • Clear operating & maintenance instructions are supplied
  • In accordance with BS6759

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S2000 and S2000DT Full Lift Safety Relief Valves – Test Lever – Screwed or Flanged Connections

Bronze Full Lift Safety Relief valve – side outlet discharge with or without test lever. These valves are used to prevent excess pressure buildup in systems providing maximum flow rates. Suitable for use on steam, liquids and gases.

Size Range:

  • Bronze: DN15 TO DN50 (½” to 2″)

Pressure Range:

  • 0.3 Bar.g (4 PSI) TO 27.59 Bar.g (400 PSI)

Pipe Connections:

  • Female x female.
  • Standard valves are threaded BS 21:1985 Rp Parallel.
  • Alternative thread standards, i.e. BSPT or NPT, are available upon request.
  • Flanged connections are also available. Most flange standards can be accommodated.

Features and Benefits:

  • This is a full-lift valve, and as such, the flow rates are very high compared to traditional safety valves.
  • Gresswell Valves are quality assurance approved to BS EN ISO 9001: 2015 and manufactured in accordance with BS EN ISO 4126-1 & BS6759.

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    Title Size
    S2000 Datasheet 329 KB
    S2000 DN40 & DN 50 Datasheet 305 KB
    S2000 Flow Figures 280 KB

    Additional information

    Weight 0.09 kg

    Ordering Information

    DESCRIPTION: FULL LIFT RELIEF VALVE, LEVER TOP, SIDE OUTLET
    PIPE CONNECTIONS: SCREWED Rp (F) x Rp (F)
    SEAT MATERIAL: METAL (BRONZE)
    OLD PART NUMBER NEW PART NUMBER SIZE INS SIZE MM
    S2000-M-15-[A-H*] 20015-0-004-[1-8] 1/2″ 15
    S2000-M-20-[A-H*] 20020-0-004-[1-8] 3/4″ 20
    S2000-M-25-[A-H*] 20025-0-004-[1-8] 1″ 25
    S2000-M-32-[A-H*] 20032-0-004-[1-8] 1 1/4″ 32
    S2000-M-40-A [A-H*] 20040-0-004-[1-8] 1 1/2″ 40
    S2000-M-50-[A-H*] 20050-0-004-[1-8] 2″ 50
    DESCRIPTION: FULL LIFT RELIEF VALVE, LEVER TOP, SIDE OUTLET
    PIPE CONNECTIONS: SCREWED Rp (F) x Rp (F)
    SEAT MATERIAL: VITON
    OLD PART NUMBER NEW PART NUMBER SIZE INS SIZE MM
    S2000-V-15-[A-H*] 20015-3-004-[1-8] 1/2″ 15
    S2000-V-20-[A-H*] 20020-3-004-[1-8] 3/4″ 20
    S2000-V-25-[A-H*] 20025-3-004-[1-8] 1″ 25
    S2000-V-32-[A-H*] 20032-3-004-[1-8] 1 1/4″ 32
    S2000-V-40-[A-H*] 20040-3-004-[1-8] 1 1/2″ 40
    S2000-V-50-[A-H*] 20050-3-004-[1-8] 2″ 50
    DESCRIPTION: FULL LIFT RELIEF VALVE, DOME TOP, SIDE OUTLET
    PIPE CONNECTIONS: SCREWED Rp (F) x Rp (F)
    SEAT MATERIAL: VITON
    OLD PART NUMBER NEW PART NUMBER SIZE INS SIZE MM
    S2000DT-M-15-[A-H*] 20115-0-004-[1-8] 1/2″ 15
    S2000DT-M-20-[A-H*] 20120-0-004-[1-8] 3/4″ 20
    S2000DT-M-25-[A-H*] 20125-0-004-[1-8] 1″ 25
    S2000DT-M-32-[A-H*] 20132-0-004-[1-8] 1 1/4″ 32
    S2000DT-M-40-[A-H*] 20140-0-004-[1-8] 1 1/2″ 40
    S2000DT-M-50-[A-H*] 20150-0-004-[1-8] 2″ 50
    DESCRIPTION: FULL LIFT RELIEF VALVE, DOME TOP, SIDE OUTLET
    PIPE CONNECTIONS: SCREWED Rp (F) x Rp (F)
    SEAT MATERIAL: METAL (BRONZE)
    OLD PART NUMBER NEW PART NUMBER SIZE INS SIZE MM
    S2000DT-V-15-[A-H*] 20115-3-004-[1-8] 1/2″ 15
    S2000DT-V-20-[A-H*] 20120-3-004-[1-8] 3/4″ 20
    S2000DT-V-25-[A-H*] 20125-3-004-[1-8] 1″ 25
    S2000DT-V-32-[A-H*] 20132-3-004-[1-8] 1 1/4″ 32
    S2000DT-V-40-[A-H*] 20140-3-004-[1-8] 1 1/2″ 40
    S2000DT-V-50-[A-H*] 20150-3-004-[1-8] 2″ 50
    DESCRIPTION: FULL LIFT RELIEF VALVE, DOME or LEVER TOP, SIDE OUTLET
    PIPE CONNECTIONS: FLANGED PN16/25 or ANSI150/300 (INTEGRAL)
    SEAT MATERIAL: METAL (BRONZE) or VITON
    PART NUMBER SIZE INS SIZE MM
    [200/201 15]-[0/3]-[205/207/221/223]-[1/2/3/4/5/6/7/8] 1/2″ 15
    [200/201 20]-[0/3]-[205/207/221/223]-[1/2/3/4/5/6/7/8] 3/4″ 20
    [200/201 25]-[0/3]-[205/207/221/223]-[1/2/3/4/5/6/7/8] 1″ 25
    [200/201 32]-[0/3]-[205/207/221/223]-[1/2/3/4/5/6/7/8] 1 1/4″ 32
    [200/201 40]-[0/3]-[205/207/221/223]-[1/2/3/4/5/6/7/8] 1 1/2″ 40
    [200/201 50]-[0/3]-[205/207/221/223]-[1/2/3/4/5/6/7/8] 2″ 50

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