Technical Notes by TN Number

The technical notes listed below are currently available online. For TechNotes not listed here, contact us and we'll mail or fax a paper copy.

100s • 200s • 300s • 400s • 500s • 600s • 700s • 800s

Valco valves, general information

TN no. Title
TN 101 Valve alignment troubleshooting
TN 103 Mounting 10 port W valves
TN 104 Installing a microvolume loop (20 µl or less)
TN 105 Installing a loop
TN 106 Manual Feedback Assembly - Valco W valves
TN 107 Internally purged valves

Valco valves, two position

TN no. Title
TN 201 Operating notes and cleaning instructions
TN 202 Flow diagram: 4 port internal volume sample injector
TN 203 Flow diagram: 6 port external loop sample injector
TN 204 Flow diagram: 8 port external loop sample injector
TN 205 Flow diagram: 10 port multifunctional valve
TN 206 Flow diagram: 4 port switching valve
TN 207 Flow diagram: 3 port switching valve
TN 208 4 port dual internal volume sample injector

Older Valco valves, with external coil spring

TN no. Title
TN 301 Flow diagram: 4 port internal sample injector
TN 302 Flow diagram: 6 port sample injector
TN 303 Flow diagram: 8 port switching valve
TN 304 Operation notes and cleaning instructions: P and E series valves
TN 305 Operation notes and cleaning instructions: T series valves
TN 306 Flow diagram: 4 port switching valve
TN 307 Flow diagram: 3 port switching valve
TN 308 Flow diagram: 10 port multifunctional valve
TN 309 Flow diagram: 10 port internal volume sample injector
TN 310 Operation notes and cleaning instructions: P and E series VL type valves

Valve actuation

TN no. Title
TN 401 Manual actuator assembly: Two position W and UW valves
TN 402 Standoff assembly: Manual actuation
TN 403 Closemount assembly: Air or electric actuators
TN 404 Standoff assembly: Air or electric actuators
TN 405 Two position air actuator implementation - older solenoids
TN 406 Multiposition air actuator implementation - older solenoids
TN 407* Multiposition electric actuator modifications (*Now into the manual)
TN 408* Two position electric actuator modifications (*Now into the manual)
TN 409 O-ring replacement: Two position air actuator
TN 410 O-ring replacement: Multiposition air actuator
TN 411 Implementation of the Digital Valve Interface
TN 412 Installation of the air actuator High Speed Switching Accessory
TN 413 Microelectric two position valve actuator, EM2C controller: Installation and use
TN 413a Microelectric two position valve actuator: Forced initialization procedure
TN 415 Microelectric multiposition valve actuator with older EMHCA or EMTCA controler: Installation and use
TN 415QS Quick start version of Technical Note 415
TN 416 Installation Instructions, Rheodyne adapter kit
TN 417 Standard electric two position valve actuator: Installation and use
(Obsolete)
TN 418 Standard electric multiposition valve actuator: Installation and use
(Obsolete)
TN 419 Implementation of the Position Feedback for two position air actuators (PFAF)
TN 420-1 Universal actuator USB tutorial part 1: Downloading the drivers
TN 420-2 Universal actuator USB tutorial part 2: Installing the drivers
TN 420-3 Universal actuator USB tutorial part 3: Verifying actuator communication
TN 421 Microelectric two position valve actuator, E2CA controller: Installation and use
TN 422 Installing a Cheminert Selector on a Clamp Ring
TN 425 Two position air actuator implementation - current solenoids
TN 426 Multiposition air actuator implementation - current solenoids
TN 427 Universal Actuator and Power Supply Assembly
TN 428 Using Valco Electric Actuators with Sciex Analyst® Software
TN 429 Setting a Universal Actuator for Operation in Legacy Mode
TN 430 Multiposition Air Actuator Position Indicator Switch
TN 431 Clamp Ring Descriptions and Applications
TN 432 Industrial Electric Actuator E-VI
TN 434 Change Summary: Multiposition microelectric actuator controller
TN 435 Microelectric multiposition valve actuator with newer EMH2CA or EMT2CA controler: Installation and use
TN 435QS Quick start version of Technical Note 435
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Fittings

TN no. Title
TN 501 Fused silica adapters: Installation instructions
TN 502 Cheminert connecting accessories (Use of the flanging tool)
TN 503 Valco ZDV fitting instructions
TN 504 EZR and IZR installation instructions
TN 505a Cheminert flangeless fittings with collapsible ferrule
TN 506 IZERA1.5 installation instructions
TN 507 Cheminert one-piece 1/32" nanovolume fittings: Installation and use
TN 509 Cheminert 360 micron fittings: Installation and use
TN 510 Zero dead volume fill port fittings
TN 512 Instructions for 360µm to 1/16" fitting (C360IZR1)
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Miscellaneous

TN no. Title
TN 601 Installing a valve in a heated valve enclosure (Single valve model)
TN 602 Purge housing: Two position and multiposition valves
TN 603 Micrometering needle valves
TN 604 Installing a valve in a heated valve enclosure (Two or three valve model)
TN 605 Models DV-12 and DV-22 diaphragm valves: operation instructions
TN 606 Models DV-12 and DV-22 diaphragm valves: diaphragm replacement
TN 607 Air actuated Valco on/off valves: installation and use
TN 608 Air actuated Valco prime/purge valves: installation and use
TN 609 Manually operated Valco on/off valves: installation and use
TN 610 Manually operated Valco prime/purge valves: installation and use
TN 611 TGA 5000, technical description
TN 613 Model 100 upstream-referenced fixed span flow controller
TN 614 Model 202 upstream-referenced adjustable span flow controller
TN 615 Model 300 downstream-referenced fixed span flow controller
TN 616 40K psi Valco on/off valves: installation and use
TN 618 VCom software: user guide
TN 620 Cleaning or replacing a pulsed discharge detector ground pin
TN 621 Lapping the ends of fused silica tubing
TN 622 2 Position Sample Injectors - Operation Instructions
TN 623 Diaphragm Replacement - DV-13 and DV-23
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Valco selectors (multiposition valves)

TN no. Title
TN 703 Cleaning and rotor replacement: low temperature valves
(Includes alignment instructions for legacy unkeyed mounting hardware)
TN 704 Cleaning and rotor replacement: high temperature valves
(Includes alignment instructions for legacy unkeyed mounting hardware)
TN 705 Alignment instructions: air actuated UW valves
(For selector valves with legacy unkeyed mounting hardware)
TN 706 Alignment instructions: electrically actuated UW valves
(For selector valves with legacy unkeyed mounting hardware)
TN 707 Alignment instructions: air actuated MW valves
(For selector valves with legacy unkeyed mounting hardware)
TN 708 Alignment instructions: electrically actuated MW valves
(For selector valves with legacy unkeyed mounting hardware)
TN 709 Valco CST4UW and CST6UW column selection valves: actuator considerations
TN 710 Flow diagram: Dead-end flowpath, SD configuration
TN 711 Flow diagram: Common outlet flowpath, SC configuration
TN 712 Flow diagram: Flow-through flowpath, SF configuration
TN 713 Flow diagram: Trapping flowpath, ST configuration
TN 714 Flow diagram: Trapping/Flow-through flowpath, STF configuration
TN 715 Cleaning, rotor replacement, and alignment instructions: UW and MW valves on microelectric and universal actuators (keyed hardware)
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Cheminert valves

TN no. Title
TN 801 Cheminert HPLC and UHPLC injectors: cleaning and rotor replacement
TN 802 Valve Model C1: installation, use, and maintenance
TN 803 Schematic flow diagram: 4 port switching valve
TN 806 Loop fill port assembly
TN 807 Schematic flow diagram: 4 port internal sample (fixed volume) injector
TN 808 Schematic flow diagram: 6 port external volume sample injector
TN 808b Schematic flow diagram: Model C3 6 port external volume sample injector
TN 809 Schematic flow diagram: 8 port external volume sample injector
TN 810 Schematic flow diagram: 10 port external switching valve
TN 811 Valve Models C22(Z), C24(Z), and C25(Z): cleaning and rotor replacement
TN 813 Valve Model CN2: cleaning and rotor replacement
TN 814 Operation notes and alignment instructions: air and electrically actuated Cheminert multiposition valves
TN 815 Schematic flow diagram: multiposition stream selector Model C5F
TN 816 Valve Models C35Z and C45: cleaning and rotor replacement
TN 819 Cheminert Models C52 and C62(Z), installation, use, and maintenance
TN 820 Schematic flow diagram: Model C6 continuous flow injector
TN 821 Cheminert Models C55 and C65(Z) Selectors: installation and use
TN 822 Cheminert Model C35ZF Selectors: flow schematic
TN 823 Cheminert Model C35ZT Selectors: flow schematic
TN 824 Cheminert Model C25G Selectors: Installation and maintenance
TN 826 Model C45R - Cleaning and rotor replacement
TN 827 Cheminert UHPLC Valves and Selectors -- Notice of design change
TN 828 Model C42R - Cleaning and rotor replacement
TN 829 Cheminert UHPLC Valves and Selectors -- Notice of rotor material change
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