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The Emech 3 port valve enables accurate temperature control. Combined with the fast Emech electronic actuator full closed loop control is achieved by sensing, mixing and controlling within the valve.
Utilising ceramic shear action disc technology the valve provides tight shut-off and high-pressure differential capability.
The extremely hard nature of ceramic produces outstanding resistance to wear and cavitation damage compared with conventional elastomer and plastic seated valves, minimising seal replacement and plant downtime.
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Product Specifications
Valve Features
› Constructed of 316 stainless steel
› Ceramic discs - durable, corrosion resistant
› NPT & BSP end connection options
› Manual handle option lockable open & closed
› EPDM standard soft seals. Nitrile, Viton optional
› Top entry allows inline access to valve parts
› ISO 5211, 5210 actuator flange mounting
Size range › 20, 25, 40 and 50mm ( ¾", 1", 1½" and 2" )
Rated pressure › 10 bar (145 psi)
Maximum dynamic pressure drop 9 bar (130 psi)
Manual handle option lockable open and closed
Electronic Control
The Emech 3 port valve interfaces directly to the Emech electronic actuator. The electronic actuator provides closed loop control of outlet temperature to +/- 0.5°C ( +/- 1°F ).
Other features include
› external key-lock power switch
› cycle and performance logging capability
› external RS232 connection (M8)
› Integral feedback connectivity
› Up to 2 external sensor input connections
› IP 65 (Nema 4) rated enclosure and connection
› 2 position options for fitting cable glands
› local/remote control options
› manual override with electrical safety interlock
› failsafe position feedback
Actuator
Construction Data
Cover and body › epoxy coated aluminium
Gearbox › planetary
Position indicator › visual direct on shaft and non-contact absolute encoder
Keypad › 4 membrane switches with safety features
Display › 3.5 digit LCD display with back light
Operating Specifications
Supply › 24Vdc +/- 10%, 3 amp, 5 amp driver options
Nominal output torque ›
G1.2 35Nm (310 in.lb)
G1.3 100Nm (885 in.lb)
Operating modes › positional control 0°-350° (0-100%), +/-0.03° rotational resolution (1/4 stepping mode)
Temperature control › 0° to 100°C (32 to 212°F) +/-0.5°C (1°F) For conditions outside of these parameters contact Emech Control.
Speed › nominal maximum 12rpm
Communications speed › 4-20mA input/output. RS 232
Environmental
Protection › class IP65 (Nema 4)
Temperature › -10°C to +50°C ( 14°F to 122°F )
Designed to meet › CE
Approvals › C-Tick (AS/NZS 2064, FCC47 Part 15 A and B) G1 Electronic Valve Actuator
Patent Approved
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3 -Port shear action disc
valve with handle. 
The Emech G1.2 Actuator
and 3 port valve 

| * (mm) |
20 |
25 |
40 |
50 |
 |
| A |
120 |
120 |
172 |
220 |
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| B |
103 |
111 |
146 |
165 |
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| C |
138 |
163 |
199 |
270 |
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| D |
389 |
396 |
426 |
484 |
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| E |
145 |
145 |
200 |
200 |
| * (inch) |
¾ |
1 |
1½ |
2 |
 |
| A |
4.72 |
4.72 |
6.77 |
8.7 |
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| B |
4.05 |
4.37 |
5.75 |
6.5 |
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| C |
5.43 |
6.41 |
7.83 |
10.6 |
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| D |
15.3 |
15.6 |
16.8 |
19.0 |
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| E |
5.7 |
5.7 |
7.9 |
7.9 |
*Nominal Valve Size ›› Download
specifications 
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