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Download Symplicity High Purity ASO Brochure 
SDC's SymplicitY™ HP provides
High Purity (HP) process gas
delivery in an auto-switchover
design for uninterrupted gas
supply. With its modular system
design, the SymplicitY HP
supports up to four (4) points of-
use with minimal additional
capital equipment investment.
Here SDC applies its extensive
Ultrahigh Purity chemical and
gas delivery expertise to lower
purity, industrial applications.
The SymplicitY™ HP is ideal for
auto-switchover of cylinders
and dewars.
The heart of this cost-effective
process gas panel is the
changeover regulator. When
the primary supply cylinder
comes close to depletion, the
changeover regulator automatically
begins intake from
the second cylinder while
delivering at a slightly lower delivery pressure. This pressure
is raised by simply rotating the
regulator handle 180 degrees.
The depleted cylinder can now
be replaced without affecting
delivery from the new primary
cylinder. SDC surrounds this
regulator with a HP Design
that offers safety, purity and
performance in a budget minded
package.
The optional StatBox™ provides an audible and visual alarm
when any one of the cylinders reaches its’ preset depletion limit.
ONLINE, SIDE “A” DEPLETED, and SIDE ”B” DEPLETED LED’s
provide quick visual status while the piezo audibly alarms when
activated.
Process purity levels are ensured through the use of top quality
316L SS or Ni plated brass tubing and components. The flow
paths include the switchover regulator, vlaves, gauges, fittings,
CGA’s, optional check valves and secondary regulator. The flex
pigtails are SS w/SS overbraid.
Standard Features:
- Pressure based autoswitchover and gas delivery
of 2 cylinders
- Primary switchover regulator (set delivery pressures of 50, 100, 150, 200 psig)
- Maximum inlet pressure up to 3000 psig
- Cylinder pressure indication (SIDE A and SIDE B)
- Inlet isolation valves and check valves (SIDE A and
SIDE B)
- Outlet shutoff valve
- SIDE A and SIDE B pigtails with CGA (1/4” SS bellows w/SS overbraid standard)
- System customized for each gas and application
- Wall mountable
Optional Controls Features:
- Hard-wired relay logic
- Status LEDs for SIDE A and SIDE B cylinder depleted
- Audible alarm
- Silence button
- ON/OFF switch
- Remote outputs for cylinder depleted and delivery pressure (type: Form C contacts)
Options:
- Secondary adjustable regulation and delivery pressure indication
- Pigtail vent valves to remove potential contamination during cylinder changeout.
- Vent check valves included to prevent back streaming
- Controls package (must be accompanied by the indicating pressure switches option)
- Indicating pressure switches
- SDC's FastRack™ panel mounting system
- Cylinder restraint system
- Cylinder shelf
- Upgrade to all 316L SS construction
Process Benefits:
- Reserve of process gas
- Ultra Pure package design
- Expandability
- Clean cylinder change-out with pigtail vent
- Ultra-Pure cylinder/dewar change-out with P-Vac™ option
Dimensions:
Codes and Standards Referenced:
- ASME Section IX
- OSHA 29 CFR 1910, subparts S and H
- NFPA® 79 Electrical Safety for Industrial Machinery
- Semi S2 Safety Guidelines for Semiconductor Manufacturing Equipment
Please contact us for further details. |

SymplicitY™ UHP
w/optional StatBox™ and
Pigtail Vent Valves

FastRack™ Cylinder Support Frames |