The SSC, Sanitary Subcooled Condenser is a patent pending sanitary condensate chamber and steam
trap assembly that was designed to replace the
12-18" downcomer (drip leg) traditionally installed
between SIP temperature sensors and sanitary steam
traps. It is ASME BPE 2007 compliant, being constructed of ASTM A479 316L barstock, fully drainable, and polished to SF1, 20 Ra µin (0,5 Ra µm), or
optionally to SF5, 20 Ra µin electropolished.
OperatiOn
As spent condensate and wet stream exit sterilized
process tubing or equipment, the SSC rapidly removes enthalpy, subcooling the condensate below it's
saturation temperature. As the cooler
condensate enters the sanitary steam trap, it causes
the trap bellows to contract. The contracted bel-
lows opens the trap orice further allowing greater
amounts of condensate to exit the system.
Patent Pending
CRN13987.5
The nned-chamber geometry of the SSC offers
the best available technology for insuring rapid SIP
heat-up and uninterrupted hold cycles, while
offering a more economical alternative (re: space utilization and capital costs) to conventional downcomer
designs.
SpecificatiOnS
• ASME BPE 2007 Compliant
• ASTM A479 316L barstock construction
• Teon/stainless and Silverback
to FDA 21 CFR 177, and USP <88> Class VI
• SF1, 20 Ra µin (0,5 Ra µm) internal surface nish
standard; SF5, 20 Ra µin (0,5 Ra µm) electropolish
optional
• 3/4" Tri-Clamp
• Fully drainable in full size or compact conguration
• Max water ow capacity: 24,773#/hr @ 15 psi-d
(11,236 kg/hr @ 1.03 bar-d)
Project CAPex savings on new, or retrot installations
• The SSC can signicantly reduce Project CAPex by reducing SIP temperature sensor/trap assembly TIC
(total installed cost), by reducing the cost for OEM process skids, or for retrot and new site built installa-
tions. The savings accrue from the SSC's smaller installed space envelope relative to traditional site built
SIP downcomer assemblies, and from the installation labor, materials handling and purchasing expense
reduction associated with the purchase of a prefabricated SSC SIP Assembly.
o
TIC (Total Installed Cost) reductions
— Signicant reductions in Installation Labor and Material Handling costs: Everything comes
preassembled sealed in tagged plastic bags: no on site material consolidation, staging, tube bending,
assembly, welding, polishing, or work inspection labor costs
— One purchase order for Tubing, Fittings, Valves, Temperature Sensor, and Steam Trap
o
Process skid capital cost reduction:
— Use of the SSC will result in up to 15" skid height reduction – lower overall process skid material
and labor costs
o
Process retrot capital cost reduction:
— SSC allows use of SIP steam trap/sensor in vertically constrained spaces (under vessels) without
altering vessel height or requiring thru-the-oor downcomers
How does the SSC reduce the installed space envelope required for SIP downcomer assemblies?
• The SSC reduces the lineal and vertical distance needed between the SIP temp sensor and the steam trap
by a minimum of 80%.
o
With the SSC, vertical head space is reduced by 15.6" if enduser practice calls for the industry preferred
18" lineal - vertical downcomer. For 18" - 12" vertical, bent tube installations, the savings are 9.6".
o
With the SSC, vertical head space reductions on 12" vertical tube downcomer (industry minimum lineal
distance) assemblies is also 9.6". See installations.
Sanitary RTD
2.48
(63mm)
5.05
12.0 (305mm)
18.0 (457mm)
(128mm)
7.43
(189mm)
10.0
(254mm)
Typical 18" lineal, 12" vertical (bent tube)
downcomer assembly
Compact SSC installation requires
only 2.37" between sensor tee
and trap inlet
-2-
Page 3
SSC SerieS
featureS
Increased Process Availability
• The SSC increases process equipment availability by reducing average annual SIP time. The device
dramatically reduces the probability of SIP wetted temperature sensor faults, and total heat-up time.
The SSC design makes it impossible for spent condensate to touch (cool) the SIP temperature sensor
upstream of the trap under expected load conditions. And, it ensures that condensate cannot cool (and
insulate) critical process areas that are being sterilized during heat-up or temperature hold periods.
The SSC increases the volumetric condensate holding capacity immediately upstream of the trap
o
by 4 times that of the industry's typical 3/4", 18" lineal sanitary tubing downcomer, and 6 times
the industry's minimum recommended 12" downcomer. This compact, extra capacity ensures
that spent condensate is completely removed from the temperature sensor area, and from the
tubing, vessel, or process equipment being sterilized.
The SSC provides more than 5 times the effective cooling capacity than the typical 3/4", 18"
o
lineal sanitary downcomer. Condensate entering the trap is thoroughly subcooled regardless of
the steam traps subcooling performance. This ensures that the steam trap is fully open during the
high condensate load SIP heat-up, and during the ensuing lighter load, temperature hold period.
Infrared photograph of typical
18" downcomer and Steriow's
Sanitary Subcooled Condenser
SSC). Greater heat transfer
capability is clearly evident.
18" 3/4" sanitary tubing downcomer3/4" Steriow SSC Series
• The large volumetric and cooling capacity of the SSC increases the effectiveness of sanitary steam traps
on high load, clean steam applications, such as bioreactor and fermentation vessels.
o
Condensate cooling effectiveness of SSC relative to typical SIP downcomer assemblies:
Average number of °F that condensate is cooled between inlet and outlet of device under
dynamic load conditions (30 psi saturated steam heat-up, at loads between 50-290 #/hr).
SIP Assembly Construction Subcooling measured (°F)
18", 3/4" Sanitary Downcomer -1.5°F
SSC -31.3°F
-3-
Page 4
Four different inlet/sensor
position congurations
SSC SerieS
featureS & BenefitS
SF1, (20 Ra µin) standard
nish, SF5 (20 Ra µin,
electropolish) optional nish
Two body congurations
ASTM A479
316L
Standard
Choice of FDA
and USP Class
VI gaskets
available
Vertical and horizontal trap
outlets available
Fully drainable body
regardless of body
conguration, no holdup
-4-
Patent Pending
Page 5
SSC SerieS
inStallatiOn & DimenSiOnS
Horizontal Inlet, No Sensor, Two-body Segments,
Model SSC-075-HN2...
7.43
Inlet
2.48
7.27
9.67
Horizontal Inlet, No Sensor, One-body Segment,
Model SSC-075-HN1...
5.60
Ø5.00
Horizontal Inlet, Sensor, Two-body Segments,
Model SSC-075-HS2...
Sensor
7.43
Inlet
2.48
7.77
9.67
Horizontal Inlet, Sensor, One-body Segment,
Model SSC-075-HS1...
Sensor
5.60
Ø5.00
7.27
2.48
Inlet
7.84
Ø5.00
7.77
2.48
Inlet
Ø5.00
7.84
-5-
Page 6
SSC SerieS
inStallatiOn & DimenSiOnS
Vertical Inlet, No Sensor, Two-body Segments,
Model SSC-075-VN2...
Inlet
7.43
2.48
7.81
9.67
Vertical Inlet, No Sensor, One-body Segment,
Model SSC-075-VN1...
Inlet
Vertical Inlet, Sensor, Two-body Segments, Model
SSC-075-VS2...
Inlet
7.43
Sensor
Ø5.00
2.48
7.77
9.67
Vertical Inlet, Sensor, One-body Segment, Model
SSC-075-VS1...
Inlet
Ø5.00
9.60
7.81
2.48
7.84
Ø5.00
-6-
7.71
2.48
Sensor
Ø5.00
7.84
Page 7
SSC SerieS
OrDering Schematic — SSc SerieS
How to Order
To maximize your savings on temperature validated SSC assemblies, order your SIP temperature sensor
and clean steam block valve, or check valve, with the SSC/steam trap assembly on one purchase order. We
will purchase your specied components, assemble them to the SSC and bag the assembly for shipment with
your installation drawings for shipment directly to your job site. To that end, we have made provisions in the
SSC model code for your specied components.
Note: Solid Work les (version 2008) of your chosen SSC assembly (with trap) can be emailed to your process design team so
that they can incorporated your chosen SSC conguration into your installation details.
1. Select your SSC model using the model schematic below. If separate components are required,
ll in the appropriate model order elds at the end of the model string.
2. Select the steam trap model from the steam trap ordering grid below.
3. Include quantity and model information for any temperature sensor block or check valve you require on a separate line item on your RFQ or order.
Model
SSCStandard
0753/4" (DN20)
—
HHorizontal Inlet
VVertical Inlet
NNo Sensor connector needed
SSensor connector needed
1One Body Segment Assembly
LElectropolish One Body Segment Assy
2Two Body Segment Assembly
JElectropolish Two Body Segment Assy
Steriflow Valve reserves the right to make revisions to its product, specifications, literature and related information without notice. Please visit our
website at www.steriflowvalve.com for the latest information on our products.
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