Shibata Engine

SHIBATA ENGINE Product Range

From core components as small as 7 mm in diameter to high-flow models delivering up to approximately 600 L/min.

Our extensive range includes standard stainless steel, corrosion-resistant, metal-free and water-supply certification-compatible models to suit different applications and environments.

For specifications not covered by standard products, we can provide a custom design, including the mold.

Products

  • U31N-S03M8L

    Standard Stainless Steel U31N-S03M8L
    Model Type Standard Stainless Steel Model
    Specifications & Dimensions 30 × 53 mm / 120 g
    Materials Casing: SUS304, EPDM / Core: SUS304, EPDM, POM
    Nominal Connection Size Outlet: R1/2 male thread / Inlet: Rc1/2 female thread
    Operating Conditions Water pressure: 0.1–1.5 MPa
    Bubbles generated per mL of water (at 0.2 MPa)
    • Instrument: SALD-7500nano
    • Feed water: ultrapure water
    • Count: approximately 39 million (varies with water quality, environment and timing)
    • Bubble diameter: mean approx. 0.193 μm; mode approx. 0.178 μm
    Flow Rate
    • 0.2 MPa → approx. 6.9 L/min
    • 0.3 MPa → approx. 8.5 L/min
    • 0.5 MPa → approx. 11.0 L/min
    • 1.0 MPa → approx. 15.5 L/min
    Description This product generates ultrafine bubbles (UFBs) at water pressures from 0.1 to 1.5 MPa. The resins used comply with the Positive List (PL). As a stainless steel product intended for industrial use, it should be connected to stainless steel piping or equipment.
  • U31N-S03M14L

    Standard Stainless Steel U31N-S03M14L
    Model Type Standard Stainless Steel Model
    Specifications & Dimensions 30 × 53 mm / 120 g
    Materials Casing: SUS304, EPDM / Core: SUS304, EPDM, POM
    Nominal Connection Size Outlet: R1/2 male thread / Inlet: Rc1/2 female thread
    Operating Conditions Water pressure: 0.1–1.5 MPa
    Bubbles generated per mL of water (at 0.3 MPa)
    • Instrument: SALD-7500nano
    • Feed water: ultrapure water
    • Count: approximately 58 million (varies with water quality, environment and timing)
    • Bubble diameter: mean approx. 0.131 μm; mode approx. 0.112 μm
    Flow Rate
    • 0.2 MPa → approx. 11.6 L/min
    • 0.3 MPa → approx. 14.5 L/min
    • 0.5 MPa → approx. 18.7 L/min
    • 1.0 MPa → approx. 26.5 L/min
    Description This product generates ultrafine bubbles (UFBs) at water pressures from 0.1 to 1.5 MPa. The resins used comply with the Positive List (PL). As a stainless steel product intended for industrial use, it should be connected to stainless steel piping or equipment.
  • U51N-S03M25L

    Standard Stainless Steel U51N-S03M25L
    Model Type Standard Stainless Steel Model
    Specifications & Dimensions 48 × 85 mm / 550 g
    Materials Casing: SUS304, EPDM, POM / Core: POM
    Nominal Connection Size Outlet: R3/4 male thread / Inlet: Rc3/4 female thread
    Operating Conditions Water pressure: 0.1–1.5 MPa
    Bubbles generated per mL of water (at 0.3 MPa)
    • Instrument: SALD-7500nano
    • Feed water: ultrapure water
    • Count: approximately 59 million (varies with water quality, environment and timing)
    • Bubble diameter: mean approx. 0.142 μm; mode approx. 0.112 μm
    Flow Rate
    • 0.2 MPa → approx. 20.8 L/min
    • 0.3 MPa → approx. 25.5 L/min
    • 0.5 MPa → approx. 32.9 L/min
    • 1.0 MPa → approx. 46.6 L/min
    Description This product generates ultrafine bubbles (UFBs) at water pressures from 0.1 to 1.5 MPa. The resins used comply with the Positive List (PL). As a stainless steel product intended for industrial use, it should be connected to stainless steel piping or equipment.
  • U51N-S03M37L

    Standard Stainless Steel U51N-S03M37L
    Model Type Standard Stainless Steel Model
    Specifications & Dimensions 48 × 85 mm / 550 g
    Materials Casing: SUS304, EPDM, POM / Core: POM
    Nominal Connection Size Outlet: R3/4 male thread / Inlet: Rc3/4 female thread
    Operating Conditions Water pressure: 0.1–1.5 MPa
    Bubbles generated per mL of water (at 0.4 MPa)
    • Instrument: SALD-7500nano
    • Feed water: ultrapure water
    • Count: approximately 62 million (varies with water quality, environment and timing)
    • Bubble diameter: mean approx. 0.127 μm; mode approx. 0.112 μm
    Flow Rate
    • 0.2 MPa → approx. 30.6 L/min
    • 0.3 MPa → approx. 37.5 L/min
    • 0.5 MPa → approx. 48.4 L/min
    • 1.0 MPa → approx. 68.5 L/min
    Description This product generates ultrafine bubbles (UFBs) at water pressures from 0.1 to 1.5 MPa. The resins used comply with the Positive List (PL). As a stainless steel product intended for industrial use, it should be connected to stainless steel piping or equipment.
  • U51N-S03M43L

    Standard Stainless Steel U51N-S03M43L
    Model Type Standard Stainless Steel Model
    Specifications & Dimensions 48 × 85 mm / 550 g
    Materials Casing: SUS304, EPDM, POM / Core: POM
    Nominal Connection Size Outlet: R3/4 male thread / Inlet: Rc3/4 female thread
    Operating Conditions Water pressure: 0.1–1.5 MPa
    Bubbles generated per mL of water (at 0.4 MPa)
    • Instrument: SALD-7500nano
    • Feed water: ultrapure water
    • Count: approximately 61 million (varies with water quality, environment and timing)
    • Bubble diameter: mean approx. 0.138 μm; mode approx. 0.112 μm
    Flow Rate
    • 0.2 MPa → approx. 35.5 L/min
    • 0.3 MPa → approx. 43.5 L/min
    • 0.5 MPa → approx. 56.2 L/min
    • 1.0 MPa → approx. 79.4 L/min
    Description This product generates ultrafine bubbles (UFBs) at water pressures from 0.1 to 1.5 MPa. The resins used comply with the Positive List (PL). As a stainless steel product intended for industrial use, it should be connected to stainless steel piping or equipment.
  • U75N-S03M300L

    High-Flow Models U75N-S03M300L
    Model Type High-Flow Model (Sanitary Ferrule Connection)
    Specifications & Dimensions 145 × 228 mm / approx. 3.3 kg
    Materials Body unit: SUS304, EPDM, PTFE / Core: POM, EPDM, PEEK
    Nominal Connection Size 4.0S sanitary ferrule
    Connection Options Adapters can be used to convert to flanged or threaded connections.
    Operating Conditions Water pressure: 0.1–0.75 MPa
    Flow Rate
    • 0.2 MPa → approx. 231.9 L/min
    • 0.3 MPa → approx. 284.0 L/min
    • 0.5 MPa → approx. 366.6 L/min
    Description This product generates ultrafine bubbles (UFBs) at water pressures from 0.1 to 0.75 MPa. The resins used comply with the Positive List (PL). As a stainless steel product intended for industrial use, it should be connected to stainless steel piping or equipment. Note: The discharge flow rate can be customized by inserting plugs sold separately. At a supply pressure of 0.3 MPa, the flow rate can be reduced in increments of 8 L/min.
  • OP-GAS

    Options OP-GAS
    Model Type Gas Intake Unit (Optional; Sold Separately)
    Specifications & Dimensions 80 × 150 / 320 g
    Materials Components: SUS304
    Nominal Connection Size Outlet: R1/2 male thread / Inlet: Rc1/2 female thread
    Operating Conditions For U30N only
  • U31H-S03M8L

    Corrosion-Resistant Models U31H-S03M8L
    Model Type Corrosion-Resistant Stainless Steel Model
    Specifications & Dimensions 30 × 53 / 150 g
    Materials Body: SUS316, FKM / Core: POM
    Nominal Connection Size Outlet: R1/2 male thread / Inlet: Rc1/2 female thread
    Operating Conditions Water pressure: 0.1–1.5 MPa
    Bubbles generated per mL of water (at 0.2 MPa)
    • Instrument: SALD-7500nano
    • Feed water: ultrapure water
    • Count: approximately 39 million (varies with water quality, environment and timing)
    • Bubble diameter: mean approx. 0.193 μm; mode approx. 0.178 μm
    Flow Rate
    • 0.3 MPa → approx. 8.5 L/min
    • 0.5 MPa → approx. 11.0 L/min
    • 1.0 MPa → approx. 15.5 L/min
    Description This product generates ultrafine bubbles (UFBs) at water pressures from 0.1 to 1.5 MPa. Note: This is the successor to the U11H-S03M8L.
  • U20H

    Corrosion-Resistant Models U20H
    Model Type Corrosion-Resistant Stainless Steel Model with Gas Intake Mechanism
    Specifications & Dimensions 72 × 100 / 390 g
    Materials Body and intake unit: SUS316 / Core: POM
    Nominal Connection Size Outlet: G1/2 male thread / Inlet: G1/2 female thread
    Operating Conditions Water pressure: 0.2–1.5 MPa
    Flow Rate
    • 0.3 MPa → approx. 8 L/min
    • 0.5 MPa → approx. 10.5 L/min
    • 1.0 MPa → approx. 14.2 L/min
    Description This product generates ultrafine bubbles (UFBs) at water pressures from 0.2 to 3.0 MPa. When drawing in gas, however, it must be used at water pressures from 0.2 MPa up to a maximum of 1.5 MPa. Note: This model will be discontinued once existing stock is sold.
  • U31H-S03M8L-GSP

    Self-Aspirating Models U31H-S03M8L-GSP
    Model Type Self-Aspirating Stainless Steel Model
    Specifications & Dimensions 39 × 57 mm / 140 g
    Materials Casing: SUS316, FKM / Core: ABS, POM
    Nominal Connection Size Outlet: R1/2 male thread / Inlet: Rc1/2 female thread
    Operating Conditions Water pressure: 0.1–0.75 MPa
    Flow Rate
    • 0.2 MPa → approx. 6.5 L/min (self-aspirated air: approx. 1.4 L/min)
    • 0.3 MPa → approx. 8.0 L/min (self-aspirated air: approx. 2.2 L/min)
    • 0.5 MPa → approx. 10.5 L/min (self-aspirated air: approx. 4.7 L/min)
    • 0.75 MPa → approx. 12.6 L/min (self-aspirated air: approx. 5.0 L/min)
    Description This product generates ultrafine bubbles (UFBs) at water pressures from 0.1 to 0.75 MPa. Note: This model can draw in gas by self-aspiration.
  • U30BJ-S03M8L-J

    Union Nut Models U30BJ-S03M8L-J
    Model Type Union Nut Model
    Specifications & Dimensions 30 × 60 / 182 g
    Materials Body unit: brass, EPDM / Core: ABS, POM
    Nominal Connection Size Outlet: G1/2 male thread / Inlet: G1/2 female-threaded union nut
    Operating Conditions Water pressure: 0.1–0.75 MPa
    Bubbles generated per mL of water (at 0.2 MPa)
    • Instrument: SALD-7500nano
    • Feed water: ultrapure water
    • Count: approximately 39 million (varies with water quality, environment and timing)
    • Bubble diameter: mean approx. 0.193 μm; mode approx. 0.178 μm
    Flow Rate
    • 0.3 MPa → approx. 8 L/min
    • 0.5 MPa → approx. 10.5 L/min
    • 0.75 MPa → approx. 12.6 L/min
    Description This product generates ultrafine bubbles (UFBs) at water pressures from 0.1 to 0.75 MPa.
  • U30BJ-S03M14L-J

    Union Nut Models U30BJ-S03M14L-J
    Model Type Union Nut Model
    Specifications & Dimensions 30 × 60 / 182 g
    Materials Body unit: brass, EPDM / Core: ABS, POM
    Nominal Connection Size Outlet: G1/2 male thread / Inlet: G1/2 female-threaded union nut
    Operating Conditions Water pressure: 0.1–0.75 MPa
    Bubbles generated per mL of water (at 0.3 MPa)
    • Instrument: SALD-7500nano
    • Feed water: ultrapure water
    • Count: approximately 58 million (varies with water quality, environment and timing)
    • Bubble diameter: mean approx. 0.131 μm; mode approx. 0.112 μm
    Flow Rate
    • 0.3 MPa → approx. 14.2 L/min
    • 0.5 MPa → approx. 18.3 L/min
    • 0.75 MPa → approx. 22.5 L/min
    Description This product generates ultrafine bubbles (UFBs) at water pressures from 0.1 to 0.75 MPa.
  • U60G-S03M8L

    Metal-Free U60G-S03M8L
    Model Type Resin Model
    Specifications & Dimensions 36 × 80 / 46 g
    Materials Body unit: ABS, NBR / Core: ABS, POM
    Nominal Connection Size Outlet: G1/2 male thread / Inlet: G1/2 female thread
    Operating Conditions Water pressure: 0.1–0.75 MPa
    Flow Rate
    • 0.3 MPa → approx. 8 L/min
    • 0.5 MPa → approx. 10.5 L/min
    • 0.75 MPa → approx. 12.6 L/min
    Description This product generates ultrafine bubbles (UFBs) at water pressures from 0.1 to 0.75 MPa.

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