Yoshitake TF-2 is a mechanical steam trap designed for steam condensate applications, utilizing a lever float system to ensure reliable performance and a large continuous discharge capacity. It features a ductile cast iron body combined with a stainless steel valve disc and seat for excellent durability, along with a built-in air vent to prevent air-binding issues during operation. It supports a maximum working pressure of 0.7 MPa and temperatures up to 170℃. A related model, the TF-1, features a bronze valve and a JIS 10K RF flanged connection suitable for maximum pressures up to 0.3 MPa.

Features

1. The stainless steel valve disc and valve seat offer excellent durability (TF-2).
2. Built-in air vent prevents air-binding problem, offering higher durability.
3. Reliable performance and large discharge capacity ensured by lever float system.

Specifications

Model	TF-1	TF-2
Application	Steam condensate	Steam condensate
Working pressure	0.01-0.3 MPa	0.01-0.7 MPa
Max. temperature	150℃	170℃
Body Material	Ductile cast iron	Ductile cast iron
Valve, valve seat Material	Bronze	Stainless steel
Float Material	Stainless steel	Stainless steel
Connection	JIS 10K RF flanged	JIS Rc screwed

Dimensions (mm) and Weights (kg)

TF-1

Nominal size	L	H	H1	H2	Weight
65A	680	530	260	100	84
80A	680	530	260	100	84

Note: H1 and H are reference values.

TF-2

Nominal size	d	L	H	H1	H2	Weight
15A	Rc 1/2	257	252	122	42	13.3
20A	Rc 3/4	257	252	122	42	13.3
25A	Rc 1	290	266	122	42	15.5
32A	Rc 1-1/4	290	266	122	42	15.5
40A	Rc 1-1/2	335	310	159	45	19.2
50A	Rc 2	335	310	159	45	19.2

Note: H1, H2 and H are reference values.

Maximum Continuous Discharge Capacity

Capacity Selection

The discharge capacities shown in the table and chart are the maximum values. In designing a system, select a steam trap with a sufficient safety factor. In general, select a steam trap with a safety factor twice or threefold the regular level (three times to five times for TF-1).

TF-1

Nominal size	0.05 MPa	0.10 MPa	0.15 MPa	0.20 MPa	0.25 MPa	0.30 MPa
65A	6,500	8,700	10,000	11,000	13,000	13,000
80A	6,500	8,700	10,000	11,000	13,000	13,000

TF-2

ΔP: Working differential pressure MPa

Structure and Materials

No.	Part Name	Material	Material Standard	Qty
14	Cover	Ductile Cast Iron	FCD450	1
15	Plug	Malleable Cast Steel	FCMB	1
18	Air Out Valve	Special Alloy Steel	-	1 set
19	Gasket	Non-Asbestos	-	1
20	Gasket	Non-Asbestos	-	1
21	Bolt	Rolled Steel	SS400	8
22	Nut	Rolled Steel	SS400	8