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Safety Relief Valves

Safety valve is a part for releasing the pressure generated in the piping. There are a wide variety of items such as a type that can drain water, such as a relief valve of a hot water heat exchanger, and a universal type that can handle oil and steam in addition to water. A variety of safety valves, such as a sealed structure that does not leak easily and a type that uses a synthetic rubber diaphragm with excellent heat and water resistance, are available. It is an indispensable item for a wide range of work sites such as repairing water heaters and piping work for boilers.
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33 Item(s)

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  1. Safety Valve AL Series
    YOSHITAKE Safety Valve AL Series
    A versatile type that supports fluids such as steam, air, water, and oil. We have subdivided the pressure classification and realized precision finishing by advanced technology to pursue the best performance. Advanced technology, high-grade materials, and a simple mechanism have realized amazing ... Read More
    Applicable Pressure (MPa)  0.05~1.0  Suitable Temperature (℃)  5~220  Connector  JIS Rc  Type  Lifting type  Specification  Safety relief valve, sealed type  Material (Valve / Valve Seat)  Stainless steel (SCS14A)  Material (spring box)  bronze  Material (Adjustment spring)  stainless steel 
    Rating:
    96%
    from S$249.90
    Min. 2 days
  2. Relief valve for hot water equipment
    YOSHITAKE Relief valve for hot water equipment
    It is mainly used as a relief valve for hot water heat exchangers with an operating pressure of 100 kPa or less. With the manual lever, you can quickly operate, check the water level, and drain water.
    Mass (kg)  0.27  Highest Temperature (℃)  100  Nominal Diameter (A)  20  Nominal Diameter (B)  3/4  Trusco Part No.  382-1188  Suitable Fluid  Cold and hot water  Connector  JIS R3/4×JIS Rc1/2  Material (valve box)  bronze 
    Rating:
    91%
    from S$58.99
    Min. 2 days
  3. Relief valve
    Kane Kogyo Relief valve
    DE is used in combination with the secondary side of KRME / KRMJ. It is used to relieve overpressure caused by hot water expansion of hot water equipment and to protect equipment. Since the diaphragm type is adopted, reliable and stable operation can be obtained. * Only standard products are avai... Read More
    Suitable Fluid  Clean water  Pressure (kPa)  Start blowing: 95 (standard product) 
    Rating:
    100%
    from S$63.99
    Min. 2 days
  4. Safety Relief Valve SL38 Fukutaro
    VENN Safety Relief Valve SL38 Fukutaro
    A sealed type safety relief valve with excellent corrosion resistance for the bronze spring case, main part SCS, and spring SUS. It can be shared with three fluids: steam, gas, and liquid. (Metal sheet type) * * Do not adjust (change) the set pressure. In the unlikely event that adjustment is req... Read More
    Fluid Temperature (℃)  225 or less  Cap Type  Without lever  End Connection  JIS Rc thread  Specification  CAC-SCS, general purpose  Mounting Direction  Upright mounting 
    Rating:
    60%
    from S$229.90
    Min. 2 days
  5. SL35N-F New Standard Compliant Hot Water Equipment Relief Valve [97kPa Setting]
    VENN SL35N-F New Standard Compliant Hot Water Equipment Relief Valve [97kPa Setting]
    Fluid Temperature (℃)  5~100  Nominal Diameter  20A  Specification  Blown pressure: 92kPa or more  Nominal Diameter (B)  3/4  Nominal Diameter (A)  20  Suitable Fluid  Cold / hot water  Material  (Main body) CAC406, (Diaphragm) FKM 
    Rating:
    96%
    from S$59.99
    Min. 2 days
  6. New Standard Compliant Hot Water Equipment Relief Valve 190kPa Set
    VENN New Standard Compliant Hot Water Equipment Relief Valve 190kPa Set
    A diaphragm type relief valve for small hot water boilers and electric water heaters. It is used as a relief valve for pressure due to thermal expansion and as a relief valve on the secondary side of the pressure reducing valve.
    Nominal Diameter (A)  20  Fluid Temperature (℃)  5~100  Material (Main Unit)  CAC406  Suitable Fluid  Cold / hot water  Material (Diaphragm)  FKM  Included Accessories  Insulation case (self-extinguishing) 
    Rating:
    85%
    from S$64.99
    Min. 2 days
  7. Lifting safety valve (B)
    YOSHITAKE Lifting safety valve (B)
    from S$249.90
    Min. 5 days
  8. Relief valve for hot water equipment + AL-72F-95
    YOSHITAKE Relief valve for hot water equipment + AL-72F-95
    It is mainly used as a relief valve for hot water boilers and hot water heat exchangers with an operating pressure of 100 kPa or less. A parallel screw is used for the outlet connection, and piping can be done easily with a bag nut.
    Mass (kg)  0.3  Highest Temperature (℃)  100  Nominal Diameter (A)  20  Dimension L (mm)  22  Nominal Diameter (B)  3/4  Dimension H1 (mm)  45  Material (valve box)  CAC  Suitable Fluid  Cold and hot water  Material (Diaphragm)  FKM (Viton)  Connector  JIS R3/4×JIS G1/2  Type  Relief valve for hot water equipment 
    from S$64.99
    Min. 4 days
  9. Lifting safety valve (D)
    YOSHITAKE Lifting safety valve (D)
    from S$249.90
    Min. 5 days
  10. Relief valve for hot water equipment + AL-68-97
    YOSHITAKE Relief valve for hot water equipment + AL-68-97
    Water supply law standard compliant product. It is mainly used as a relief valve for hot water heat exchangers with an operating pressure of 100 kPa or less. Due to the sealed structure, there is no leakage to the outside even if the diaphragm is damaged.
    Negative Pressure Performance (kPa)  -12 or less  Mass (kg)  0.33  Highest Temperature (℃)  100  Nominal Diameter (A)  20  Nominal Diameter (B)  3/4  Dimension L (mm)  32  Dimension H1 (mm)  47.5  Material (valve box)  CAC  Suitable Fluid  Cold and hot water  Material (Diaphragm)  FKM (Viton)  Connector  JIS R3/4×JIS Rc1/2  Type  Relief valve for hot water equipment 
    from S$149.90
    Min. 4 days
  11. Relief valve for hot water equipment (valve seat SUS) + AL-52FS-95
    YOSHITAKE Relief valve for hot water equipment (valve seat SUS) + AL-52FS-95
    It is mainly used for hot water heat exchangers with an operating pressure of 100 kPa or less. Since stainless steel is used for the valve seat, it has excellent corrosion resistance.
    Mass (kg)  0.27  Highest Temperature (℃)  100  Nominal Diameter (A)  20  Nominal Diameter (B)  3/4  Dimension H1 (mm)  45  Dimension L (mm)  Material (valve box)  CAC  Suitable Fluid  Cold and hot water  Material (Diaphragm)  FKM (Viton)  Connector  JIS R3/4×JIS Rc1/2  Type  Relief valve for hot water equipment  Material (Valve Seat)  SUS 
    from S$87.99
    Min. 5 days
  12. Rc3 / 8 " Pressure reducing valve with air filter
    ESCO Rc3 / 8 " Pressure reducing valve with air filter
    Pressure Setting Range (MPa)  0.05~0.85  Filtration (μm)  0.3  Maximum Operating Pressure (MPa)  1.0  Withstand Pressure (MPa)  1.5a  Overall Height (mm)  201  Screw diameter Rc  3/8"  Face-to-face Dimension (mm)  53  Mass (g)  590 
    from S$219.90
    Min. 5 days
  13. Rc1 / 2 " boost valve
    ESCO Rc1 / 2 " boost valve
    Supply pressure range (MPa)  0.1~1.0  Pressure Setting Range (MPa)  0.2~1.0  Withstand Pressure (MPa)  1.5  Screw diameter Rc  1/2  Maximum Flow Rate (L/min)  1900  Width (mm)  404 
    from S$1,899.00
    Min. 5 days
  14. Rc3 / 8 " boost valve
    ESCO Rc3 / 8 " boost valve
    Supply pressure range (MPa)  0.1~1.0  Pressure Setting Range (MPa)  0.2~1.0  Withstand Pressure (MPa)  1.5  Maximum Flow Rate (L/min)  1000  Screw diameter Rc  3/8  Width (mm)  300 
    from S$1,299.00
    Min. 5 days
  15. Rc  1 " Pressure reducing valve (with air filter / bracket)
    ESCO Rc 1 " Pressure reducing valve (with air filter / bracket)
    Pressure Setting Range (MPa)  0.05~0.85  Maximum Operating Pressure (MPa)  1.0  Withstand Pressure (MPa)  1.5  Mass (g)  2050  Overall Height (mm)  409.6  Filtration (μm)  Face-to-face Dimension (mm)  95  Auto Drain Specification  None  Mounting Screw  Rc1"  Pressure Gauge  Φ425mm 
    from S$349.90
    Min. 6 days
  16. Rc  1 " Pressure reducing valve (with air filter / bracket)
    ESCO Rc 1 " Pressure reducing valve (with air filter / bracket)
    Pressure Setting Range (MPa)  0.05~0.85  Maximum Operating Pressure (MPa)  1.0  Withstand Pressure (MPa)  1.5  Mass (g)  2050  Overall Height (mm)  409.6  Filtration (μm)  Face-to-face Dimension (mm)  95  Auto Drain Specification  None  Mounting Screw  Rc1" 
    from S$349.90
    Min. 5 days
  17. Rc  3/8 " Pressure reducing valve (with air filter / bracket)
    ESCO Rc 3/8 " Pressure reducing valve (with air filter / bracket)
    Pressure Setting Range (MPa)  0.05~0.85  Maximum Operating Pressure (MPa)  1.0  Withstand Pressure (MPa)  1.5  Overall Height (mm)  200.7  Mass (g)  360  Filtration (μm)  Face-to-face Dimension (mm)  53  Auto Drain Specification  Normally open  Mounting Screw  Rc3/8" 
    from S$229.90
    Min. 5 days
  18. Rc  1/2 " Pressure reducing valve (with air filter / bracket)
    ESCO Rc 1/2 " Pressure reducing valve (with air filter / bracket)
    Pressure Setting Range (MPa)  0.05~0.85  Maximum Operating Pressure (MPa)  1.0  Withstand Pressure (MPa)  1.5  Overall Height (mm)  238.8  Filtration (μm)  Mass (g)  660  Face-to-face Dimension (mm)  70  Auto Drain Specification  None  Mounting Screw  Rc1/2" 
    from S$229.90
    Min. 5 days
  19. Rc3 / 8 " Air tank for booster valve
    ESCO Rc3 / 8 " Air tank for booster valve
    Tank Capacity (L)  10  Maximum Operating Pressure (MPa)  2.0  Mass (kg)  4.9  Dimension (mm)  460×180×278(H)  Suitable Fluid  Compressed air  Mounting Screw  IN:3/8"、OUT:1/2"  Material  Stainless steel 
    from S$789.90
    Min. 5 days
  20. Rc  3/8 " Pressure reducing valve (with air filter / bracket)
    ESCO Rc 3/8 " Pressure reducing valve (with air filter / bracket)
    Pressure Setting Range (MPa)  0.05~0.85  Maximum Operating Pressure (MPa)  1.0  Withstand Pressure (MPa)  1.5  Overall Height (mm)  200.7  Mass (g)  360  Filtration (μm)  Face-to-face Dimension (mm)  53  Auto Drain Specification  Normally open  Mounting Screw  Rc3/8"  Pressure Gauge  Φ375mm 
    from S$229.90
    Min. 5 days
  21. Rc  3/4 " Pressure reducing valve (with air filter / bracket)
    ESCO Rc 3/4 " Pressure reducing valve (with air filter / bracket)
    Pressure Setting Range (MPa)  0.05~0.85  Maximum Operating Pressure (MPa)  1.0  Withstand Pressure (MPa)  1.5  Overall Height (mm)  238.8  Filtration (μm)  Mass (g)  660  Face-to-face Dimension (mm)  70  Auto Drain Specification  None  Mounting Screw  Rc3/4" 
    from S$239.90
    Min. 5 days
  22. Rc  3/8 " Pressure reducing valve (with air filter / bracket)
    ESCO Rc 3/8 " Pressure reducing valve (with air filter / bracket)
    Pressure Setting Range (MPa)  0.05~0.85  Maximum Operating Pressure (MPa)  1.0  Withstand Pressure (MPa)  1.5  Overall Height (mm)  200.7  Mass (g)  360  Filtration (μm)  Face-to-face Dimension (mm)  53  Auto Drain Specification  None  Mounting Screw  Rc3/8" 
    from S$159.90
    Min. 6 days
  23. Rc1 / 4 " boost valve
    ESCO Rc1 / 4 " boost valve
    Supply pressure range (MPa)  0.1~1.0  Pressure Setting Range (MPa)  0.2~2.0  Screw diameter Rc  1/4  Width (mm)  150  Maximum Flow Rate (L/min)  230  Withstand Pressure (MPa)  3.0 
    from S$669.90
    Min. 5 days
  24. Rc1 / 4 " boost valve
    ESCO Rc1 / 4 " boost valve
    Supply pressure range (MPa)  0.1~1.0  Pressure Setting Range (MPa)  0.2~1.0  Withstand Pressure (MPa)  1.5  Screw diameter Rc  1/4  Width (mm)  150  Maximum Flow Rate (L/min)  70 
    from S$669.90
    Min. 5 days
  25. Rc3 / 8 " boost valve
    ESCO Rc3 / 8 " boost valve
    Supply pressure range (MPa)  0.1~1.0  Pressure Setting Range (MPa)  0.2~1.0  Withstand Pressure (MPa)  1.5  Maximum Flow Rate (L/min)  1000  Screw diameter Rc  3/8  Width (mm)  300 
    from S$1,299.00
    Min. 5 days
  26. Relief valve for hot water equipment +DE
    Kane Kogyo Relief valve for hot water equipment +DE
    DE is used in combination with the secondary side of KRME / KRMJ. It is used to protect equipment as a sign of overpressure due to hot water expansion of hot water equipment. Since the diaphragm type is adopted, reliable and stable operation can be obtained.
    Maximum Operating Temperature (℃)  Antifreeze 0-100  Suitable Fluid  Clean water 
    from S$129.90
    Min. 23 days
  27. Rc3 / 8 " Air tank for booster valve
    ESCO Rc3 / 8 " Air tank for booster valve
    Maximum Operating Pressure (MPa)  2.0  Mass (kg)  3.2  Dimension (mm)  300×160×257(H)  Tank Capacity (L)  Suitable Fluid  Compressed air  Mounting Screw  IN:3/8"、OUT:3/8"  Material  Stainless steel 
    from S$569.90
    Min. 5 days
  28. Rc  1/4 " Pressure reducing valve (with air filter / bracket)
    ESCO Rc 1/4 " Pressure reducing valve (with air filter / bracket)
    Pressure Setting Range (MPa)  0.05~0.85  Maximum Operating Pressure (MPa)  1.0  Withstand Pressure (MPa)  1.5  Overall Height (mm)  160  Mass (g)  200  Face-to-face Dimension (mm)  40  Filtration (μm)  Auto Drain Specification  None  Mounting Screw  Rc1/4" 
    from S$119.90
    Min. 5 days
  29. Lifting safety valve (F)
    YOSHITAKE Lifting safety valve (F)
    Discontinued
  30. SL38-D3K3 0.3MPa Fukutaro Bronze / SCS Safety Relief Valve
    VENN SL38-D3K3 0.3MPa Fukutaro Bronze / SCS Safety Relief Valve
    A sealed type safety relief valve with excellent corrosion resistance for the bronze spring case, main part SCS, and spring SUS. It can be shared with three fluids: steam, gas, and liquid. (Metal sheet type)
    Fluid Temperature (℃)  225 or less  Mounting Direction  Upright mounting  End Connection  JIS Rc thread  Setting Pressure (MPa)  0.3  Cap Type  Without lever  Suitable Fluid  Vapor, gas, liquid 
    Discontinued
  31. Lifting safety valve (C)
    YOSHITAKE Lifting safety valve (C)
    Discontinued
  32. Safety relief valve (set pressure 0.8MPa)
    VENN Safety relief valve (set pressure 0.8MPa)
    Pressure Setting Range (MPa)  0.05~1.0  Lift l (mm)  0.6  Setting Pressure (MPa)  0.8  Mass (kg)  0.8  Connection d (inch)  Fluid Temperature (℃)  225 or less  Valve Seat Diameter D (Φmm)  23  Nominal Diameter  25  Dimension L1 (mm)  40  Effective Area πDl (mm2 43.3  Dimension L2 (mm)  46  Height H (mm)  92  Specification  CAC-SCS, general purpose  End Connection  JIS Rc thread  Type  Lifting type  Material (Main Unit)  SCS13 (stainless steel cast steel)  Material (Valve Member)  SCS13 (stainless steel cast steel)  Material (Case)  Spring case: CAC406 (bronze casting)  Suitable Fluid  Vapor, gas, liquid  Cap Type  Without lever 
    Discontinued
  33. Relief valve for water heater
    YOSHITAKE Relief valve for water heater
    A relief valve for hot water equipment such as simple hot water boilers with a working pressure of 100 kPa or less and small-scale hot water boilers with a working pressure of 200 kPa or less. Since it has a manual lever, you can quickly check the operation and water level, and drain the water in... Read More
    Mass (kg)  0.27  Maximum Operating Temperature (℃)  100  Nominal Diameter (A)  20  Nominal Diameter (B)  3/4  Trusco Part No.  382-1188  Dimension H1 (mm)  45  Dimension L (mm)  Suitable Fluid  Cold and hot water  Type of Connection  Inlet / JIS R, Outlet / JIS Rc 
    Discontinued
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