The 020 Series pilot‑operated diaphragm solenoid valves feature high‑performance coils and precision internal structures, enabling reliable actuation under extremely low‑pressure differential conditions.
Compatible with air, water and other neutral media, they are widely deployed in industrial control systems.
|
Ordering Code Builder |
|||||||||||
|
Coil |
Modules |
Entry |
Series |
Port |
Position |
Body |
Material |
Power |
Approval |
Special |
Voltage |
|
DHCS |
F |
M | 020 | N12 | 1 |
SL |
L | 100 | G | * |
24VDC |
|
Selection Code Fields |
|||
|
Field |
Code / Choices |
Selection meaning |
Notes |
|
Coil Category |
GHC / MHC / XHCA / XHCS / DHCA / DHCS / RHCS |
Non-Ex connector coils; Ex flying-lead coils; Ex d junction box with Ex m coil; junction-box Ex coil; refined chamber Ex coil |
Aluminum or stainless-steel enclosure dependson suffix. See coil category matrix below |
|
Protection Modules |
FCP = Plug-in intelligent clamping surge protection module |
Coil protection module selection. |
Optional plug-in protection modules for surge, overvoltage and lightning-induced transient protection. Select according to site power quality, surge risk and project requirements. |
|
Cable Entry |
Blank = 1/2" NPT |
Threaded cable entry selection |
Junction-box coils supplied without cable gland |
|
Product Series |
020 |
020 Series product series code |
Use 020 in the ordering code |
|
Port Size |
N14 = NPT 1/4", N38 = NPT 3/8" |
Process / pneumatic port connection |
Confirm thread standard with project piping or manifold interface |
|
Normal Position |
Blank = NC |
Valve function and coil configuration selection |
Select according to the required port/position configuration and coil arrangement. |
|
Body Material |
Blank = Stainless Steel SS304 |
Stainless Steel SS304 / SS316L |
Standard material for listed configuration. |
|
Sealing Material |
L = LNBR |
Seal material selection |
Select according to medium, operating temperature and chemical compatibility. |
|
Power Consumption |
100/120/160/200 |
Coil power level selection |
Power by three digits, e.g. 100 = 10W |
|
Solenoid Certification |
E = ATEX Certified |
Hazardous-area certification selection for the solenoid coil. |
Select according to project or site requirements. Certification may vary by configuration. |
|
Special Option |
* |
Special on request |
Confirm with ONENESS before order release |
|
Voltage |
24VDC / 110VDC; 24VAC / 220VAC / ... |
Rated coil voltage |
Allowable voltage fluctuation: -15% to +10% of rated voltage |
|
Technical Specifications |
|
|
Item |
Specification |
|
Operation principle |
Pilot operated |
|
Media |
Air, Water, Non-flammable light oil |
|
Ambient temperature |
-40°F to 149°F (-40℃ to 65℃) |
|
Media temperature |
-40°F to 149°F (-40℃ to 65℃) |
|
Operating pressure differential |
4.4 - 290 psi (0.3 - 20 bar) |
|
Flow coefficient |
1.8 - 52.2 Cv (1.6 - 45 Kv m³/h) |
|
Body material |
Stainless Steel |
|
Application environment |
Indoor / Outdoor |
|
Installation |
Coil Upright |
|
IP rating |
IP65 / IP66 / IP67 |
|
Coil Category Matrix |
|
|
Code |
Configuration / enclosure |
|
GHC |
Non-Ex coil with connector |
|
MHC |
Ex coil, flying leads |
|
XHCA |
Ex d junction box with Ex m coil, aluminum |
|
XHCS |
Ex d junction box with Ex m coil, stainless steel |
|
DHCA |
Junction-box Ex coil, aluminum |
|
DHCS |
Junction-box Ex coil, stainless steel |
|
RHCS |
Refined chamber Ex coil, stainless steel |
|
Solenoid Operators |
|||
|
Class of insulatio |
DC watts |
AC watts |
Standard voltage |
|
H |
10 –20W |
10 –20W |
DC: 12-240V, AC: 24V- 440V AC / 40-60Hz |
|
Explosion-Proof Marking Reference |
||
|
Operator family |
Gas marking |
Dust marking |
|
MHC |
Ex mb IIC T6...T3 Gb |
Ex mb IIIC T85℃...T170℃ Db |
|
XHC |
Ex db mb IIC T6...T3 Gb |
Ex mb tb IIIC T85℃...T170℃ Db |
|
DHC / RHC |
Ex db IIC T6...T4 Gb |
Ex tb IIIC T85℃...T135℃ Db |
Electrical / Documentation Notes
XHC/DHC/RHC: 1/2" NPT or M20 x 1.5 threaded cable entry; enclosure supplied without cable gland.
For special coil requirements, consult ONENESS.