Yoshitake Air & Gas Vents

Model comparison

Compare only the points that determine the choice: function or construction, applicable medium, operating range, body material, and connection or nominal size. Open the model page to confirm the full specification.

Model	Key selection point	Medium	Operating range	Body material	Connection / size
TA-16	Series Air Vent Valve	Cold and hot water	0.01 - 1.0 MPa 90°C	Stainless steel	Standard type, JIS Rc 1/4 outlet
TA-16L	Air Vent Valve	Cold and hot water	0.01-1.0 MPa 90°C	—	JIS R screwed; 15A: R 1/2 inlet; 20A: R 3/4 inlet; 25A: R 1 inlet
TA-16CVA	Stainless Steel Air Vent Valve	Cold and hot water	0.01 - 1.0 MPa 90°C	Stainless steel (SCS13)	Angle type check valve joint, R 1/2 to R 1 connections
TA-16CVS	Air Vent Valve, 0.01-1.0 MPa, Stainless Steel	Cold and hot water	0.01-1.0 MPa 90°C	Stainless steel	JIS R screwed; Equipped with straight type check valve joint
TA-18ML	Air Vent Valve, Compact Float Type	Cold and hot water	0.01-0.3 MPa 100℃	Stainless steel	Inlet: JIS R (Rc) thread, Outlet: Hose joint (Φ6); 6A: JIS R(c) 1/8; 10A: JIS R(c) 3/8; 15A: JIS R(c) 1/2; 20A: JIS R(c) 3/4
TA-2	Air Vent Valve	Cold and hot water, Oil (specific gravity: 0.8 or more)	0.01 - 1.0 MPa 90°C	Ductile cast iron (FCD450)	JIS Rc screwed; Ductile cast iron, 90°C Max, NBR disc
TA-2C	Air Vent Valve with Nylon 11 Coating	—	0.01 - 1.0 MPa 60°C (90°C intermittent)	Ductile cast iron (FCD450)	JIS Rc screwed; Ductile cast iron, Nylon 11 coated, Max 60°C
TA-5	—	Cold and hot water, Oil (specific gravity: 0.8 or more)	0.01 - 1.0 MPa 90°C	Ductile cast iron (FCD450)	JIS Rc screwed; Bronze body, 90°C Max
TA-5F	—	Cold and hot water, Oil (specific gravity: 0.8 or more)	0.01 - 1.0 MPa 90°C	Ductile cast iron (FCD450)	JIS Rc screwed; Bronze body, 120°C Max, FKM disc
TA-22ML	Float Vent Valve, Cold and Hot Water	Cold and hot water	0.01-1.0 MPa 100℃	Bronze	JIS R screwed (Rc); 15A: R1/2, H: 95.5mm; 20A: R3/4, H: 101mm; 25A: R1, H: 104mm
TA-3	Air Vent Valve, Ductile Cast Iron, 1.0 MPa	Cold and hot water, Oil	0.01-1.0 MPa 90°C	Ductile cast iron (FCD450)	JIS Rc screwed; Ductile cast iron (FCD450), 90°C max
TA-6	—	Cold and hot water, Oil	0.01-1.0 MPa 90°C	Ductile cast iron (FCD450)	JIS Rc screwed; Cast bronze, 90°C max
TA-3C	Air Vent Valve, Nylon 11 Coated	Cold and hot water, Oil	0.01-1.0 MPa 60°C	Ductile cast iron (FCD450)	JIS Rc screwed; Brass valve seat with NBR disc
TA-3C-N	—	Cold and hot water, Oil	0.01-1.0 MPa 60°C	Ductile cast iron (FCD450)	JIS Rc screwed; Brass valve seat with FKM disc
TAV-2	Air & Gas Vent, Cast Bronze, 1.0 MPa	City water	0.05-1.0 MPa 0-80°C (no freeze condition)	Cast bronze (NPb-treated)	Rc 1/2 connection, 1.0 MPa max pressure
TAV-4	Air Vent Valve with Vacuum Breaker	City water (clean water)	0.05-1.0 MPa 0-40°C (no freeze condition)	Cast bronze (NPb-treated)	20A: 15.1 L/sec intake air quantity; 25A: 23.4 L/sec intake air quantity
VB-10	Air Vent (Vacuum Breaker), 0.05-1.0 MPa	City water	0.05-1.0 MPa 0-95°C (no freeze condition)	Brass or Bronze (chrome plate)	15A: Connection: R1/2, Weight: 0.1 kg; 20A: Connection: R3/4, Weight: 0.15 kg; 25A: Connection: R1, Weight: 0.25 kg
VB-20	Vacuum Breaker (Air & Gas Vents)	Cold and hot water	1.0 MPa 5-90℃	Bronze (NPb-treated)	Water supply: JIS Rc 3/4, Intake: JIS Rc 1; Cold and hot water, 1.0 MPa

Process scope

Yoshitake air and gas vent products remove trapped air from water circuits and admit air when a line or vessel is drawn into vacuum. The local catalogue spans float automatic air vents, compact versions for water service, and dedicated vacuum breakers; selection must start with whether the duty is venting or vacuum protection.

Project-specific checks

Separate continuous air discharge from the air-admission duty needed during drain-down or cooling.
State the fluid, including oil specific gravity where relevant, and confirm compatibility with the wetted materials.
Confirm normal and maximum pressure, temperature, and the intended installation point at a high spot or vacuum-prone section.
Check thread or flange standard, pipe orientation, and provision for safe discharge of vented fluid.

Final verification

This guide groups local Yoshitake catalogue pages for preliminary engineering review. The model-specific Yoshitake documentation, sizing calculation, materials confirmation, and applicable site requirements control the final order and installation decision.

Available models

Open a model page for specifications, connection options and technical documents.

Air & Gas VentsStainless Steel

Model comparison

Process scope ​

Project-specific checks ​

Final verification ​

Available models

TA-16 Series Air Vent Valve

TA-16CVA Stainless Steel Air Vent Valve

TA-16CVS Air Vent Valve, 0.01-1.0 MPa, Stainless Steel

TA-16L Air Vent Valve

TA-18ML Air Vent Valve, Compact Float Type

TA-2 Air Vent Valve

TA-22ML Float Vent Valve, Cold and Hot Water

TA-2C Air Vent Valve with Nylon 11 Coating

TA-3 Air Vent Valve, Ductile Cast Iron, 1.0 MPa

TA-3C Air Vent Valve, Nylon 11 Coated

TAV-2 Air & Gas Vent, Cast Bronze, 1.0 MPa

TAV-4 Air Vent Valve with Vacuum Breaker

VB-10 Air Vent (Vacuum Breaker), 0.05-1.0 MPa

VB-20 Vacuum Breaker (Air & Gas Vents)

Process scope

Project-specific checks

Final verification