Fushiman Co.
Fushiman HBS20 Super Trap for Steam

Manufacturer: Fushiman Co.,LTD.
Model: HBS20
Model | Nominal Diameter | Method | Maximum Operating Pressure | Maximum Operating Temperature | Body Material | Connection |
---|---|---|---|---|---|---|
HBS20 | 15–25 | Membrane | 1.6 MPa | 200°C | FC | Screw-in flange |
Features
Trap and bypass operation switching and shutoff can be easily handled with a monkey wrench.
Excellent airtightness is ensured by a Teflon gasket and expanded graphite gland packing.
A simple check valve structure prevents backflow.
Stable operation is maintained regardless of vertical, horizontal, or inclined installation.
Specifications and Materials
Model | Fluid | Main Applications | Thermosensitive Actuator | Max Operating Pressure | Max Operating Temperature | Valve Box Material | Changeover Valve Material | Valve Seat Material | Thermosensitive Actuator Material | Pipe Connection |
---|---|---|---|---|---|---|---|---|---|---|
HBS20 | Steam Drain | Large header, heater, small storage tank, heat exchanger, unit heater, small air conditioner, jacketed pan, etc. (1) | N membrane or U membrane (1) | 1.6 MPa 1.0 MPa 1.6 MPa | 200°C | Cast iron | Bronze | Stainless steel | Hastelloy and stainless steel | Threaded: JIS Rc Flanged: JIS 10K / JIS 16K |
Note (1): The primary applications of the U membrane are for steam pipes with pressures of 0.2 MPa or higher, small headers, etc.
Structure and Dimensions
Nominal Diameter | Threaded type | Flanged type | |||||
JIS 10K | JIS16K | ||||||
A | L | Mass | L | Mass | L | Mass | |
15 | 1/2 | 120 | 2.4 | 150 | 3.8 | — | — |
20 | 3/4 | 120 | 2.4 | 150 | 4.0 | 150 | 3.6 |
25 | 1 | 120 | 2.3 | 160 | 5.0 | 160 | 5.1 |
Discharge Capacity
Function Switching State Diagram
Function switching is a simple operation—just turn the hexagonal part at the bottom to align with the desired function.
Moreover, the function display is easy to read and can be understood at a glance.
Example of Use
Please refer to page 208 of the technical document “Examples of Steam Trap Usage”.