Fushiman HBS20-L Super Trap for Steam (with sight glass)

Manufacturer: Fushiman Co.,LTD.
Model: HBS20-L

Model	Nominal Diameter	Method	Maximum Operating Pressure	Maximum Operating Temperature	Body Material	Connection
HBS20-L	15–25	Membrane	1.0 MPa	200°C	FC	Screw-in flange

Features

Can be easily attached to an existing HBS20-type trap.
Allows visual confirmation of drain discharge status inside the trap.
Uses heat-resistant reinforced glass.
When combined with the HBS20 trap, it provides five functions: trap operation, shut-off, bypass operation, strainer, and sight glass.

Specifications and Materials

Model	Fluid	Main Applications	Thermosensitive Actuator	Max Operating Pressure	Max Operating Temperature	Valve Box	Changeover Valve	Valve Seat	Thermosensitive Actuator Material	Pipe Connection
HBS20-L	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)	1.0 MPa	200°C	Cast iron	Bronze	Stainless steel	Hastelloy and stainless steel	Threaded: JIS Rc Flanged: JIS 10K

Structure and Dimensions

HBS20-L

Nominal Diameter	Threaded type			Flanged type
	Threaded type			JIS 10K
	A	L	Mass	L	Mass
15	1/2	120	3.0	150	4.4
20	3/4	120	3.0	150	4.6
25	1	120	3.0	160	5.6

Discharge Capacity, Function Switching Diagram, and Usage Example

The discharge capacity and function switching diagram are the same as for the HBS20 Super Trap (page 186). Please refer to it.
For usage examples, please refer to the HBS20 type in “Examples of Steam Trap Usage” on page 208 of the technical document.