SSI Marketing Discussion

measlyincompetentUrban and Civil

Nov 29, 2013 (3 years and 8 months ago)

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SSI Marketing Discussion

UHP Pump



Introduction



Pump Portfolio


Control Commonality



Competitive Features



Calibration and Testing

Scientific Systems, Inc.

Designed from Experience


Built for the Future

Scientific Systems, Inc.

Designed from Experience


Built for the Future

Pump Portfolio

Flow Rate (
mL
/min)

300

100

5

12

Maximum Pressure (psi)

1,000

10,000

18,000

5
,000

CP UHP

UHP Single

Prep 100

CP 24

CP 12

UHP Dual

Prep 250

CP 250

Mighty Mini

Flash 100

Flash 150

Flash 300

Series I 40

Series I+ 40

Prep 24

Series
II
5

Series III 5

B2300

Q
-
Grad

Series
II
10

Model 1500

Series III 10

Series
II
40

Series III 40

Series I 10

Series I+
10

25,000

CP L05

Prep
300

Prep
36

PEEK
-

Stainless Steel


Titanium

(below 5,000 psi)

Stainless Steel


Titanium

(above 5,000 psi)

HF300

Scientific Systems, Inc.

Designed from Experience


Built for the Future

Pump Portfolio

COMMAND

DESCRIPTION

DISPLAY OR PC REPLY

RU

Run Pump

OK/

ST

Stop Pump

OK/

CC

Read Actual Pressure & Flowrate

OK,XXXX, XXX.X (or XX.XX)

PR

Read Actual Pressure

OK,XXXX

CS

Read Flowrate

OK,XXXX,

Over Pressure Setting

XXXX,



Under Pressure Setting

XXXX, Bar,



Head Type Number

2 (stainless steel 5ml head)



Pump Running or Stopped

1 for Running, 0 for Stopped



Pressure Board installed

0 for Installed, 1 for none

PI


Read Flowrate


OK,XXXX,

Pump Running or Stopped

1 for Running, 0 for Stopped

Pressure Compensation factor

current pressure/100



Head Maximum Flow

5



Pressure Board installed

0 for Installed, 1 for none



External Voltage or Frequency Setup

1 for Voltage 0 for Frequency



Frequency Controlled & Running

1 if running under Frequency
Flow Control, else 0



Voltage Controlled & Running

1 if running under Voltage
Flow Control, else 0



Upper Pressure Faulted

1 if faulted, else 0



Under Pressure Faulted

1 if faulted, else 0



Priming

1 if priming, else 0



Keyboard Lockout

1 if Keyboard is locked out, 0
else



External Start

1 if running by external start,
else 0

Common Protocols

Scientific Systems, Inc.

Designed from Experience


Built for the Future

Pump Portfolio

Flow Rate (
mL
/min)

300

100

5

12

Maximum Pressure (psi)

1,000

10,000

18,000

5
,000

CP UHP

UHP Single

Prep 100

CP 24

CP 12

UHP Dual

Prep 250

CP 250

Mighty Mini

Flash 100

Flash 150

Flash 300

Series I 40

Series I+ 40

Prep 24

Series
II
5

Series III 5

B2300

Q
-
Grad

Series
II
10

Model 1500

Series III 10

Series
II
40

Series III 40

Series I 10

Series I+
10

25,000

CP L05

Prep
300

Prep
36

PEEK
-

Stainless Steel


Titanium

(below 5,000 psi)

Stainless Steel


Titanium

(above 5,000 psi)

HF300

Competitive Features

UHP Power

Range

2

3

4

0

1

5

mL/min

0

200

400

600

800

1000

1200

1240

0

8,700

14,500

18,000

bar

psi

SSI UHP
Dual
-
Piston Power Range

Shimadzu Prominence UFLC

Waters

Aquity

Agilent 1290

Infinity

Agilent RRLC

SSI UHP

Scientific Systems, Inc.

Designed from Experience


Built for the Future

Only Required Service




Seal Change




Check Valve




Pulse Dampener Rebuild

(rare)

Competitive Features

Easy Maintenance

Captive Spring

Allows for Fast

Head Removal

Piston Saddle
(
self
-
centering
)

Scientific Systems, Inc.

Designed from Experience


Built for the Future

Self
-
Flush Feature




Greatly increases seal life




No auxiliary pump required




Can “
daisy

chain” tubing

Competitive Features

Automatic Piston Wash

Scientific Systems, Inc.

Designed from Experience


Built for the Future

Wash Seal

Piston Ferrule

Pump Seal

Wash
Housing

Competitive Features

Easy Maintenance

Scientific Systems, Inc.

Designed from Experience


Built for the Future

Failure Mechanisms

Check Valves

Leaking
around capsule or
between capsules

Leaking
past capsule ball/seat

Ball/seat
sticking

Seal

Leaking

Abrading
piston

Shedding
contaminants
into fluid
path

Fittings
and Check Valve Holders

Leaking

Insufficient
torque to ensure check
valve
capsule
seal

Over
-
tightened
fitting nuts resulting
in galling
or tubing damage

Seal

Wash
not circulating properly

Wash
solution not prepared per

manufacturers
instructions

Wash
solution not
changed regularly

Competitive Features

Easy Maintenance

Scientific Systems, Inc.

Designed from Experience


Built for the Future

Recommended Preventative Maintenance

Item

Procedure

Interval

Check Valves


Single ball/seat


capsules in heads

Replace all 4 capsules in dual pump heads
per

i
nstructions
. Torque holders into place
per
manufacturer’s
specifications.

Inspect Check Valve Housings for damage or wear,
particularly capsule seating surface. Replace if
required.

Every 6 Months at 75% run

time; 8 hrs/day; 5 days/week

1,000 Hours Run Time

10,000,000 Piston Strokes

Seals

Install complete seal kit (2 pump heads), including
piston wash seals and various components, per
manufacturer’s instructions.

Tighten heads into place per specifications.

Every 6 Months at 75% run

time; 8 hrs/day; 5 days/week

1,000 Hours Run Time

10,000,000 Piston Strokes

Seal Solution

Prepare per manufacturer’s instructions.

Ensure active circulation.

Discard /replace at interval.

Weekly at 75% run time

time; 8 hrs/day; 5 days/week

Fittings and Check
Valve Holders

Tighten check valve holders and all tubing fittings
throughout the system.

For Stainless Steel components, tighten by turning the
hex nut a maximum of 1
-
2 flats with a proper tool
(wrench). Do not over
-
tighten.

For plastic inlet fittings (including “T”), fully tighten by
hanT, or gently with plier献s

Perform procedure the first time
after 2 weeks of normal
operation, or 100 hours.

Then, repeat during Check Valve
& Seal maintenance.

Competitive Features

Automatic Pressure Compensation

Scientific Systems, Inc.

Designed from Experience


Built for the Future

Competitive Features

Automatic Pressure Compensation

Scientific Systems, Inc.

Designed from Experience


Built for the Future

Refill Stage



Pump chamber refills from reservoir



P
PUMP

= P
RESERVOIR



No fluid flow

Compression Stage



Pump chamber compressing fluid



P
RESERVOIR

< P
PUMP

< P
SYSTEM



No fluid flow

Discharge Stage



Pump chamber discharges to system



P
PUMP

= P
SYSTEM



Fluid flow

Competitive Features

Automatic Pressure Compensation

Scientific Systems, Inc.

Designed from Experience


Built for the Future

Low System Pressure



Short Compression Stage



Long Discharge Stage
(high efficiency)



Lower motor speed
vs

flow rate

High System Pressure



Long Compression Stage



Short Discharge Stage
(low efficiency)



Higher motor speed
vs

flow rate

Competitive Features

Automatic Pressure Compensation

Scientific Systems, Inc.

Designed from Experience


Built for the Future

Automatic Pressure Comp



Monitor system pressure




Vary motor speed
vs

flow rate with varying
system pressure




Maintain flow accuracy regardless of system
pressure

Competitive Features

Solvent Selection

Formula for RPM calculation is:


w

= x
1
e
KP

+
D

whee:
w

= RmM x 100


x
1

= constant derived
emperically


K = value dependent on solvent (see below)


P = pressure (psi)


D

= 捯e捴ion 晡捴o (see below)


K = x
2
b
2

+ x
3
b

+ x
4

where: x
2
,x
3
,x
4

= constants derived
emperically


b

= isothemal 捯mpessibility


D


b
m
/20000

Scientific Systems, Inc.

Designed from Experience


Built for the Future

Competitive Features

Solvent

Selection

Scientific Systems, Inc.

Designed from Experience


Built for the Future

Low Solvent Compressibility
(water)



Short Compression Stage



Long Discharge Stage
(high efficiency)



Lower motor speed
vs

flow rate

High Solvent Compressibility
(hexane)



Long Compression Stage



Short Discharge Stage
(low efficiency)



Higher motor speed
vs

flow rate
(nonlinear)

Competitive Features

Solvent Selection

Scientific Systems, Inc.

Designed from Experience


Built for the Future

Solvent Selection



User input of solvent compressibility factor




6 preset values for common solvents

(water, methanol,
acetonitrile
, hexane, THF,
isopropynol
)




Input value directly for other solvents or blends

(isothermal compressibility factors (10
-
6
/bar) available in handbooks)




Maintain flow accuracy for wide variety of solvents for all flows and
pressures

Solvent Selection Commands

Command

Description / Command Format

Pump Response

Notes

RS

Read Solvent Compressibility

OK,xxx/

Returned compressibility value has no leading
zeroes. Response value can range from 1 to 999.


SSxxx

Select Solvent Compressibility

SS001 = Water (preset)

SS002 = Methanol (preset)

SS003 =
Acetonitrile

(preset)

SS004 = Hexane (preset)

SS005 =
Tetrahydrofurane

(preset)

SS006 = Isopropyl Alcohol (preset)

SSxxx

where xxx is numeric value of
isothermal liquid
compressibility (b) in units of
(10 x 10
-
6
/bar).

OK/

“Preset” values will use discrete flow curves of
associated solvents.


Numeric values entered for isothermal liquid
compressibility use universal flow curve.

Values for pure solvents:

Water = 046

Methanol = 121

Acetonitrile

= 115

Hexane = 167

Tetrahydrofurane

= 054

Reduce Baseline Noise




Rated to 18,000 psi




3:1 Reduction in Pulsation


Competitive Features

UHP Pulse Dampener

Minimize Equilibration Time





220
m
L

Fluid Volume (1
atm
)


+ 58
m
L

pe 1,000 p獩




2
-
in 1
-
out Port Configuration




Integrated Transducer

Scientific Systems, Inc.

Designed from Experience


Built for the Future

Competitive Features

Reduced Equilibration

Time

Scientific Systems, Inc.

Designed from Experience


Built for the Future


0
2000
4000
6000
8000
10000
12000
14000
0.00
10.00
20.00
30.00
40.00
50.00
60.00
70.00
80.00
90.00
PSI

Seconds

Equilibration Times

(10,000
psi; 1 mL/min; methanol)

A - 10K
B - 10K
D - 10K
Water

/ IPA


51.15
sec

Water / Methanol

59.70
sec

Tee
Only



7.80
sec

Competitive Features

Reduced Pulsation

Scientific Systems, Inc.

Designed from Experience


Built for the Future


9600
9800
10000
10200
10400
10600
10800
11000
11200
11400
11600
0.00
0.50
1.00
1.50
2.00
2.50
3.00
3.50
4.00
4.50
5.00
PSI

Seconds

Pulsation

(10,000
psi; 1 mL/min; methanol)

A - 10K
B - 10K
D - 10K
Water

/ IPA


1.06
%

Water / Methanol

1.05
%

Tee
Only


6.51
%

Innovative Design




Prevents channel
-
to
-
channel
cross talk




No back flow to affect
composition




Improved retention time
repeatability




Integrated frit filter




15
m
L

delay volume


Competitive Features

UHP Check Tee

Scientific Systems, Inc.

Designed from Experience


Built for the Future

Reduce System Volume




No back flow to affect composition




Delay volume only “downstream” of
check tee (15
m



Competitive Features

UHP Check Tee

Scientific Systems, Inc.

Designed from Experience


Built for the Future

Test and Calibration

Flow Calibration

Scientific Systems, Inc.

Designed from Experience


Built for the Future

Flow Calibration



Factory Flow Compensation Factor (XF)

-

to account for fabrication
tolerancing

(within preset test limits)




Customer Flow Compensation Factor (FT)



to accommodate variations in
system configuration and component wear

Flow Adjustment Commands

Command

Description / Command Format

Pump Response

Notes

XFxx

Set Factory Flow Compensation Factor

XFxx

where xx is numerical value from 01
to 99

OK/

Allows flow range adjustment by 0.1% increments
from
-
4.9% to +4.9% of default setting. Used for
factory fine adjustment for pump
-
to
-
pump
variations.

Examples:

XF01 = reduce flow 4.9% below nominal

XF50 = set flow to nominal value

XF99 = increase flow 4.9% above nominal

XR

Read Factory Flow Compensation Factor

OK,x.x
/

Returned value is percent difference from nominal.
Value can range from
-
4.9 to 4.9.

FTxx

Set Customer Flow Compensation Factor

FTxx

where xx is numerical value from 00
to 20

OK/

Allows flow range adjustments by 1% increments
from
-
10% to +10% of default setting. Used for
customer adjustment for application requirements.

Examples:

FT00 = reduce flow 10% below nominal

FT10 = set flow to nominal value

FT20 = increase flow 10% above nominal

RC

Read Customer Flow Compensation Factor

OK,xx
/

Returned value has no leading zeroes. Response
value can range from 0 to 20.

Test and Calibration

Flow
Accuracy

Scientific Systems, Inc.

Designed from Experience


Built for the Future

Product Specifications



Absolute pressure calibration within 100 psi



Flow Rate Accuracy: <


1% at 1 ml/min; 10,000 psi; with Methanol



Pulsation:


0.75% from 500 to 18,000 psi

BINARY UHP FLOW ACCURACY
-10%
-8%
-6%
-4%
-2%
0%
2%
4%
6%
8%
10%
0.00
1.00
2.00
3.00
4.00
5.00
Flow Set Point (ml/min)
Flow Error (%)
Upper Limit
Lower Limit
Pump A @ 1,000 p.s.i.
Pump A @ 5,000 p.s.i.
Pump B @ 1,000 p.s.i.
Pump B @ 5,000 p.s.i.