Yoshitake MD-54 two way motor valve is widely used in systems of sprinkler, water supply, solar generation, and air conditioning as well as in controllers for ON-OFF operation. Compact size motor valve is often used as a part of automatic fluid control systems.

Features

1. IP65 dust and water proof structure (JIS C 0920).
2. Excellent durability by built-in thermal protector (no motor burnout).
3. Quickly accurate starting/stopping operation. The indication of the working position can be checked.
4. Valve disc smoothly opens and closes, preventing water hammer and ensuring complete sealing.
5. Manually operable.
6. Equipped with opening-closing indicator lamp circuit.
7. Incorporated space heater for dew condensation prevention (1W).

Specifications

Specification	Value
Application	Steam, Air, Cold and hot water
Working pressure	Steam: 0-0.6 MPa Air, Cold and hot water: 0-1.0 MPa
Application temperature	Steam: Max. 160°C Air: Max. 120°C Cold and hot water: Max. 100°C
Ambient temperature	-15 to 55°C
Rated voltage	AC 100/110V 50/60 Hz common AC 200/220V 50/60 Hz common
Operation	ON-OFF (90°)
Percentage duty cycle	20% 15 min.
Protective structure	IP65 dust and water proof structure (JIS C 0920)
Material (Body)	Cast stainless steel
Material (Ball)	Stainless steel
Material (Seat)	Reinforced PTFE
Connection	JIS Rc screwed

INFO

Valve (ball) is preset to be open upon shipment from the factory. Requires adjustment to the flow direction and arrow mark.

Dimensions and Weights

Nominal size	S (Rc)	d (mm)	L (mm)	h1 (mm)	H1 (mm)	H (mm)	Weight (kg)
15A	1/2	13	59	36	52	178	1.6
20A	3/4	15	66	36	54	180	1.7
25A	1	20	78	36	61	187	1.9
32A	1 1/4	25	87	36	71	197	2.2
40A	1 1/2	32	95	53	77	217	3.1
50A	2	40	109	53	83	223	3.7

Cv Value

Nominal size	15A	20A	25A	32A	40A	50A
Cv value	9	13	24	44	80	120

Circuit of Motor Operation

• LS1: Close-limit SW
• LS2: Open-limit SW
• SH: Space heater
• TP: Thermal protector
• C: Condenser
• M: Motor

Precaution for Installation

WARNING

1. The product is not explosion-proof. Do not use it in the area or ambience where explosive gases accumulate.
2. Connect the cables only after confirming that no power is supplied.
3. Keep the inside of the actuator away from water ingress.