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Back pressure / safety valve SEKO SPRING/KOSMO

Adjustable back pressure/safety valve for Seko Spring and Kosmo series metering pumps. (See table)(See table)

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Back pressure/safety valve SEKO SPRING/KOSMO

GENERAL DESCRIPTION SEKO SPRING/KOSMO back pressure/safety valve

The back pressure/safety valve is a special device used to control or limit the operating pressure in a dosing system. Otherwise, the operating pressure could build up and cause a process disturbance or equipment failure.

The back pressure/safety valve has the function of improving the working conditions of the system, allowing a constant working pressure to be maintained. It can also be used as a safety valve to prevent pressure peaks. In this case, the valve is installed in a bypass line.

The valve is designed to open at a predetermined pressure to protect the system from pressures exceeding its design limits. As the fluid is diverted, the pressure within the system will cease to rise; once it has reached the valve's reset pressure, the valve will close.

The back pressure/safety valve can be set to a pressure of up to 10 bar and a maximum flow rate of 1,500 L/H. With threaded or flanged connection.

Compatible with all models of Seko electromechanical metering pumps of the Spring and Kosmo series.

The parts in contact with the liquid have been chosen to ensure full compatibility with most commonly used chemicals. Due to the variety of chemicals on the market, it is recommended to check the chemical compatibility between the dosed product and the materials in contact. Please refer to the attached document "Chemical compatibility Seko bombs" for this information. If you have any questions, we will be pleased to answer them.

CHARACTERISTICS Back pressure/safety valve SEKO SPRING/KOSMO

  • Counter-pressure: Adjustable from 0 to 10 bar
  • Maximum flow rate: 1,500 L/H
  • Connection: flanged or threaded
  • Mechanical adjustment by screw
  • Threaded connection 3/8", 3/4″ and 1".
  • Flanged connection:  DN10, DN20, DN 25, ANSI 3/4" and ANSI 1".
  • Maximum temperature dosed liquid: 40 ºC

Materials

  • Body: PDVF/SS316L
  • Joints: Standard (viton) or EPDM (dutral)

AVAILABLE MODELS

MODELREFERENCEMAXIMUM FLOWCONNECTIONVALVE MATERIALJOINTS
Back pressure valve flange DN10BV41103010F300 L/HFlange DN 10PVDFStandard
BV21103010F300 L/HFlange DN 10SS316Standard
Back pressure valve 3/8" threadBV41103010T300 L/H3/8" threadPVDFStandard
BV21103010T300 L/H3/8" threadSS316Standard
Back pressure valve flange DN20BV41208010F800 L/HFlange DN 20PVDFStandard
BV21208010F800 L/HFlange DN 20SS316Standard
Back pressure valve 3/4" threadBV41208010T800 L/H3/4" threadPVDFStandard
BV21208010T800 L/H3/4" threadSS316Standard
ANSI 3/4″ ANSI flanged back pressure valveBV41408010F800 L/HANSI 3/4" flangePVDFStandard
BV21408010F800 L/HANSI 3/4" flangeSS316Standard
Back pressure valve flange DN25BV41315010F1500 L/HFlange DN25PVDFStandard
BV21315010F1500 L/HFlange DN25SS316Standard
Back pressure valve 1" threadBV41315010T1500 L/H1" threadPVDFStandard
BV21315010T1500 L/H1" threadSS316Standard
ANSI 1" ANSI flange back pressure valveBV41515010F1500 L/HANSI 1" flangePVDFStandard
BV21515010F1500 L/HANSI 1" flangeSS316Standard

AVAILABLE MODELS

MODELREFERENCEMAXIMUM FLOWCONNECTIONVALVE MATERIALJOINTS
Back pressure valve flange DN10BV41103010F300 L/HFlange DN 10PVDFStandard
BV21103010F300 L/HFlange DN 10SS316Standard
Back pressure valve 3/8" threadBV41103010T300 L/H3/8" threadPVDFStandard
BV21103010T300 L/H3/8" threadSS316Standard
Back pressure valve flange DN20BV41208010F800 L/HFlange DN 20PVDFStandard
BV21208010F800 L/HFlange DN 20SS316Standard
Back pressure valve 3/4" threadBV41208010T800 L/H3/4" threadPVDFStandard
BV21208010T800 L/H3/4" threadSS316Standard
ANSI 3/4″ ANSI flanged back pressure valveBV41408010F800 L/HANSI 3/4" flangePVDFStandard
BV21408010F800 L/HANSI 3/4" flangeSS316Standard
Back pressure valve flange DN25BV41315010F1500 L/HFlange DN25PVDFStandard
BV21315010F1500 L/HFlange DN25SS316Standard
Back pressure valve 1" threadBV41315010T1500 L/H1" threadPVDFStandard
BV21315010T1500 L/H1" threadSS316Standard
ANSI 1" ANSI flange back pressure valveBV41515010F1500 L/HANSI 1" flangePVDFStandard
BV21515010F1500 L/HANSI 1" flangeSS316Standard

GASKET MATERIAL

  • StandardThe valves are supplied with seals made of viton (FPM), a material with high chemical resistance. Also suitable for pumping acidic or chlorinated liquids.
  • EPDMOptionally available with seals in EPDM (Dutral), a material more suitable for pumping alkaline liquids such as caustic soda.

OTHER OPTIONS AVAILABLE (ON REQUEST)

Joints
  • EPDM
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DOCUMENTS

Technical data sheet back pressure valve

Chemical compatibility Seko pumps

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