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Oil Plugs

An oil stopper is a tank used mainly in machine tools to prevent oil leakage and allow air to escape freely depending on the conditions inside the tank. Types include screw-in type, push-in type, and sealing type. In addition, a wide variety of tank types (ATEX standard and KRM-AG type) are available. Most of the materials use heat-resistant materials such as special polyamide, and steel covers that are intended for outdoor use. It is used mainly for the purpose of automatically discharging high-pressure air depending on the pressure inside the tank.

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  1. Valve cap
    IMAO Valve cap
    When the tank reaches a certain air pressure, the valve opens automatically to expel high-pressure air. Does not take in outside air. Exhaust cap Please use for speed reducer distributors, compressors, etc. that require the discharge of compressed air. * Avoid using it in a water tank as the resi... Read More
    Operating Temperature Range (℃)  -30~120  Heat Resistance Temperature (℃)  120  Type  Screw-in type 
    from S$10.99
    Min. 2 days
  2. Oil stopper (screwed type)
    Koho Kosan Oil stopper (screwed type)
    Use for high speed machines with heavy oil foaming. As it is a screw type, it is very easy to install and remove.
    Tightening Torque  10kgfcm  Type  Standard (with holes and seals) 
    Rating:
    91%
    from S$2.99
    Min. 2 days
  3. Oil cap KRM-A type
    Kyowa Oil cap KRM-A type
    Even if there is a lot of oil splashing in the gear tank or crank chamber of a machine tool, it is difficult for it to leak from the air holes.
    Heat Resistance Temperature (℃)  100 
    Rating:
    87%
    from S$3.79
    Min. 2 days
  4. Oil stopper (push-in type)
    Koho Kosan Oil stopper (push-in type)
    Type  Standard (with holes) 
    Rating:
    100%
    from S$2.59
    Min. 2 days
  5. Breather cap
    IMAO Breather cap
    Since it has a ventilation structure, air can freely enter and exit even with the cap attached. It is safe because even if a large pressure difference temporarily occurs in the tank due to a sudden temperature rise or oil backlash, it will immediately regain equilibrium with the outside air. Idea... Read More
    Dimension D1 (mm) 
    Rating:
    100%
    from S$9.79
    Min. 2 days
  6. Oil plug
    IMAO Oil plug
    It is a RoHS directive compliant product. * Avoid using it in a water tank as the resin absorbs water and expands. Gasoline and alcohol cannot be used.
    Operating Temperature Range (℃)  -30~130  RoHS Directive  10 substances  Material (Seal)  Nitrile rubber (NBR)  Material (Main Unit)  Polyamide (glass fiber reinforced) 
    Rating:
    85%
    from S$2.49
    Min. 2 days
  7. Oil cap
    IMAO Oil cap
    * Avoid using it in a water tank as the resin absorbs water and expands.
    Operating Temperature Range (℃)  -30~120  Color (Body)  Matte black  Material (oil seal)  Nitrile rubber (NBR) 
    Rating:
    70%
    from S$4.39
    Min. 2 days
  8. Oil stopper KRM-B type
    Kyowa Oil stopper KRM-B type
    An oil cap that does not require screwing. For the cap of the lubrication port and air port * Be careful with organic solvents such as thinner.
    Method  Push-in  Heat Resistance Temperature (℃)  100  Material  Nitrile rubber (NBR) 
    Rating:
    80%
    from S$2.99
    Min. 2 days
  9. Air breather
    Kyowa Air breather
    Heat Resistance Temperature (℃)  100  Specification  Screw-in type 
    Rating:
    100%
    from S$6.39
    Min. 2 days
  10. Oil cap KRM-AD type
    Kyowa Oil cap KRM-AD type
    An oil cap that is easy to install and remove. Stable installation is possible without the need for screwing. The air in the oil tank is designed so that the oil can be extracted without leaking. It is a synthetic resin product and has excellent oil resistance. * This is a synthetic resin composi... Read More
    from S$24.99
    Min. 2 days
  11. Oil cap
    Kyowa Oil cap
    Dimension D (mm)  21  O-ring  P-18  Color  Red  Dimension A (mm)  28  Dimension C (mm)  13  Dimension B (mm)  M20×1.5 
    from S$5.69
    Min. 2 days
  12. Steel cover type breather cap
    IMAO Steel cover type breather cap
    Robust steel cover suitable for outdoor use.
    Surface treatment (cap)  Chrome-plated  Material (Filter)  Polyurethane  Surface treatment (spring)  Zinc plating  Surface treatment (flange)  Zinc plating 
    from S$32.99
    Min. 2 days
  13. G 1/2 "oil plug
    ESCO G 1/2 "oil plug
    Dimension A  1/2PF  Dimension C (mm)  28  Color  Matte black  Dimension E (mm)  10  Dimension D (mm)  15  Esco Part No.  EA949CX-12  Dimension B (mm)  11 
    from S$3.29
    Min. 2 days
  14. G 1/2 "breather cap (without level gauge)
    ESCO G 1/2 "breather cap (without level gauge)
    Even if a large pressure difference temporarily occurs in the tank due to a sudden temperature rise or oil backlash, it immediately regains equilibrium with the outside air. * Gasoline and alcohol cannot be used
    Dimension D (mm)  9.5  Dimension E (mm)  12  Dimension C (mm)  29.5  Dimension A  PF1/2  Esco Part No.  EA949CW-23  Dimension B (mm)  31  Specification  Splash oil leakage prevention structure 
    from S$14.99
    Min. 2 days
  15. Steel cover type pressure cap
    IMAO Steel cover type pressure cap
    Robust steel cover suitable for outdoor use.
    Surface treatment (cap)  Chrome-plated  Material (Filter)  Polyurethane  Material (tapping screw)  SWRH67B  Material (Spring)  SWRH67B  Surface treatment (flange)  Zinc plating  Surface treatment (tapping screw)  Zinc plating 
    from S$119.90
    Min. 4 days
  16. VLHS valve cap
    IMAO VLHS valve cap
    The gasket membrane takes in air and avoids vacuum. Since the liquid does not flow out even if the tank shakes, it is ideal for liquid transportation tanks. (Liquid pressure completely seals the gasket membrane) Since a large amount of air can be taken in when the liquid is discharged, the liquid... Read More
    Mass (g)  80  Color (thread part)  Black 
    from S$56.99
    Min. 4 days
  17. Basket filter
    IMAO Basket filter
    The gasket prevents oil leakage.
    Operating Temperature Range (℃)  0~90  Basket (mm)  Lattice 0.9 × 3  Material (Gasket)  Nitrile rubber (NBR)  Material (basket)  Polypropylene  Material (tapping screw)  SUM22L  Surface treatment (tapping screw)  Zinc plating 
    from S$37.99
    Min. 2 days
  18. G 3/8 "oil plug
    ESCO G 3/8 "oil plug
    Esco Part No.  EA949CX-11  Dimension D (mm)  13  Dimension B (mm)  Color  Matte black  Dimension C (mm)  22  Dimension A  3/8PF  Dimension E (mm) 
    from S$2.79
    Min. 6 days
  19. Plastic handle
    Kyowa Plastic handle
    from S$2.99
    Min. 6 days
  20. G 1 "breather cap (without level gauge)
    ESCO G 1 "breather cap (without level gauge)
    Even if a large pressure difference temporarily occurs in the tank due to a sudden temperature rise or oil backlash, it immediately regains equilibrium with the outside air. * Gasoline and alcohol cannot be used
    Esco Part No.  EA949CW-25  Specification  Splash oil leakage prevention structure  Dimension D (mm)  11.5  Dimension C (mm)  36.5  Dimension E (mm)  23  Dimension A  PF1  Dimension B (mm)  42 
    from S$19.99
    Min. 6 days
  21. G 1/2 "oil plug (with vent hole)
    ESCO G 1/2 "oil plug (with vent hole)
    * Gasoline and alcohol cannot be used. * Avoid using in a water tank as the resin absorbs water and expands.
    Operating Temperature Range (℃)  -30~130  RoHS Directive  10 substances  Dimension B (mm)  11  Dimension D (mm)  18  Dimension C (mm)  26  Esco Part No.  EA949CX-34  Color  Matte black  Dimension A  PF1/2  Specification  With vent hole 
    from S$3.99
    Min. 6 days
  22. G 3/4 "breather cap (without level gauge)
    ESCO G 3/4 "breather cap (without level gauge)
    Even if a large pressure difference temporarily occurs in the tank due to a sudden temperature rise or oil backlash, it immediately regains equilibrium with the outside air. * Gasoline and alcohol cannot be used
    Esco Part No.  EA949CW-24  Dimension D (mm)  11.5  Dimension E (mm)  18  Dimension C (mm)  36.5  Specification  Splash oil leakage prevention structure  Dimension A  PF3/4  Dimension B (mm)  42 
    from S$17.99
    Min. 6 days
  23. Oil cap with inspection rod KRM-AG type
    Kyowa Oil cap with inspection rod KRM-AG type
    from S$13.99
    Min. 17 days
  24. G 3/4 "oil plug
    ESCO G 3/4 "oil plug
    Dimension B (mm)  12  Dimension E (mm)  12  Esco Part No.  EA949CX-13  Dimension D (mm)  16.5  Color  Matte black  Dimension C (mm)  32  Dimension A  3/4PF 
    from S$3.99
    Min. 6 days
  25. G 3/8 "oil plug (with vent hole)
    ESCO G 3/8 "oil plug (with vent hole)
    * Gasoline and alcohol cannot be used. * Avoid using in a water tank as the resin absorbs water and expands.
    Operating Temperature Range (℃)  -30~130  RoHS Directive  10 substances  Dimension D (mm)  16  Dimension C (mm)  22  Dimension B (mm)  Esco Part No.  EA949CX-33  Color  Matte black  Dimension A  PF3/8  Specification  With vent hole 
    from S$3.99
    Min. 6 days
  26. G 1/8 "oil plug (with vent hole)
    ESCO G 1/8 "oil plug (with vent hole)
    * Gasoline and alcohol cannot be used. * Avoid using in a water tank as the resin absorbs water and expands.
    Operating Temperature Range (℃)  -30~130  RoHS Directive  10 substances  Dimension D (mm)  16  Dimension C (mm)  19  Dimension B (mm)  Esco Part No.  EA949CX-31  Color  Matte black  Dimension A  PF1/8  Specification  With vent hole 
    from S$3.59
    Min. 6 days
  27. adapter
    Kyowa adapter
    from S$74.99
    Min. 24 days
  28. G 3/8 "oil plug (without vents)
    ESCO G 3/8 "oil plug (without vents)
    * Gasoline and alcohol cannot be used. * Avoid using in a water tank as the resin absorbs water and expands.
    Operating Temperature Range (℃)  -30~130  RoHS Directive  10 substances  Dimension D (mm)  16  Dimension C (mm)  22  Dimension B (mm)  Esco Part No.  EA949CX-23  Color  Matte black  Specification  No vent hole  Dimension A  PF3/8 
    from S$3.09
    Min. 6 days
  29. Flange type removable adapter
    Kyowa Flange type removable adapter
    from S$279.90
    Min. 24 days
  30. G 1 "/ 100mbar valve cap
    ESCO G 1 "/ 100mbar valve cap
    When the tank reaches a certain air pressure, the valve opens automatically to expel high-pressure air. Please use it for speed reducers, variator, compressors, etc. that require the discharge of compressed air. * Gasoline and alcohol cannot be used
    Dimension E (mm)  23  Specification  Low pressure operation / 100mbar  Esco Part No.  EA949CW-65  Dimension C (mm)  42  Dimension D (mm)  37  Dimension A  PF1 
    from S$22.99
    Min. 6 days
  31. G 1 "oil plug with vent
    ESCO G 1 "oil plug with vent
    * Gasoline and alcohol cannot be used. * Avoid using in a water tank as the resin absorbs water and expands.
    Operating Temperature Range (℃)  -30~130  RoHS Directive  10 substances  Dimension B (mm)  13  Dimension D (mm)  22  Dimension C (mm)  38  Esco Part No.  EA949CX-36  Color  Matte black  Dimension A  PF1  Specification  With vent hole 
    from S$6.89
    Min. 6 days
  32. G1 / 4 " Oil cap
    ESCO G1 / 4 " Oil cap
    Dimension (mm)  B:9、C:20.5、D:19  Internal Thread A  G1/4  Color  Matte black  Oil Seal  NBR (Nitrile Rubber)  Material (Main Unit)  polyamide 
    from S$5.39
    Min. 5 days
  33. G3 / 4 " Oil cap
    ESCO G3 / 4 " Oil cap
    Dimension (mm)  B:12、C:34.5、D:27  Internal Thread A  G3/4  Color  Matte black  Oil Seal  NBR (Nitrile Rubber)  Material (Main Unit)  polyamide 
    from S$6.99
    Min. 5 days
  34. Screw plug - With knob
    NBK (Nabeya Bi-tech Kaisha) Screw plug - With knob
    A screw plug with a knob that can be attached and detached without tools. Made of aluminum alloy. Standardized metric fine threads and parallel threads for pipes. Usable temperature: 200 ° C * Please attach the product to the top surface of the oil tank. If it is attached to the side or bottom, t... Read More
    Dimension Lf (mm)  M coarse  M5 
    from S$15.99
    Min. 8 days
  35. Screw plug - With knob
    NBK (Nabeya Bi-tech Kaisha) Screw plug - With knob
    A screw plug with a knob that can be attached and detached without tools. Made of aluminum alloy. Standardized metric fine threads and parallel threads for pipes. Usable temperature: 100 ° C * Please attach the product to the top surface of the oil tank. If it is attached to the side or bottom, t... Read More
    Dimension d (mm)  Dimension Lf (mm)  M coarse  M5 
    from S$13.99
    Min. 29 days
  36. G1 / 2 " Oil cap
    ESCO G1 / 2 " Oil cap
    Dimension (mm)  B:11、C:28.5、D:25  Internal Thread A  G1/2  Color  Matte black  Oil Seal  NBR (Nitrile Rubber)  Material (Main Unit)  polyamide 
    from S$6.19
    Min. 5 days
  37. G1 ・ 1/2 " Oil cap
    ESCO G1 ・ 1/2 " Oil cap
    Dimension (mm)  B:13、C:57.5、D:34  Internal Thread A  G1-1/2  Color  Matte black  Oil Seal  NBR (Nitrile Rubber)  Material (Main Unit)  polyamide 
    from S$18.99
    Min. 5 days
  38. G 1/2 "oil plug (without vent hole)
    ESCO G 1/2 "oil plug (without vent hole)
    * Gasoline and alcohol cannot be used. * Avoid using in a water tank as the resin absorbs water and expands.
    Operating Temperature Range (℃)  -30~130  RoHS Directive  10 substances  Dimension B (mm)  11  Dimension D (mm)  18  Dimension C (mm)  26  Esco Part No.  EA949CX-24  Color  Matte black  Specification  No vent hole  Dimension A  PF1/2 
    from S$3.29
    Min. 6 days
  39. G 1/8 "oil plug (without vent hole)
    ESCO G 1/8 "oil plug (without vent hole)
    * Gasoline and alcohol cannot be used. * Avoid using in a water tank as the resin absorbs water and expands.
    Operating Temperature Range (℃)  -30~130  RoHS Directive  10 substances  Dimension D (mm)  16  Dimension C (mm)  19  Dimension B (mm)  Esco Part No.  EA949CX-21  Color  Matte black  Specification  No vent hole  Dimension A  PF1/8 
    from S$3.09
    Min. 6 days
  40. G 1 "oil plug (without vents)
    ESCO G 1 "oil plug (without vents)
    * Gasoline and alcohol cannot be used. * Avoid using in a water tank as the resin absorbs water and expands.
    Operating Temperature Range (℃)  -30~130  RoHS Directive  10 substances  Dimension B (mm)  13  Dimension D (mm)  22  Dimension C (mm)  38  Esco Part No.  EA949CX-26  Color  Matte black  Specification  No vent hole  Dimension A  PF1 
    from S$5.89
    Min. 6 days
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