Vacuum Jacketed hose to fill Storage Dewar ~1000 LN2 Transfer Line With Stinger to fill Sample Dewar from Storage Dewar CryoFab ~$2000 Level Controllers w/3 Sensors each, for Supply Tank and Sample Dewar (2 complete sets needed) http://www.trgn.com/ LC11 Liquid Nitrogen Level Controller with Alarm Output: $150 LS10 Sensors (2, 3 or 4 foot lengths): $40 each Non-cryogenic sensor extensions (3 or 6 foot): $20 ~$600 Cryogenic Solenoid Valve for LN2 Storage Tank Filling Teragon supplies ASCO Cryogenic Solenoid Valves we're using a 1/4" NPT, 8263G205LT holds 100psi, should be fine (130 psi available: 8262G22LT) Might want to check with ASCO or another distributor. ~$250 Solenoidal (new word?) Venting During Storage Tank Fill Cycles Hand made by modifing a stock valve (removed Viton seal and replaced with Teflon) McMaster: 4664K53 Compound-Lever Arm Brass Float Valve Viton, 1-1/4" NPT Female Inlet/Outlet ~$100 and attached a solenid: McMaster: 7723K6 Pull Style High-Force Linear Solenoid Continuous, 120 Vac, 1" Stroke, 150 oz Force ~$50 Cryogenic Solenoid (Vent) Valve for Sample Dewer Overfill Protection Teragon supplies ASCO Cryogenic Solenoid Valves 3/8" NPT 8263G206LT or 8263G210LT ~$250 24 V Solenoid Valve to switch between 'idle/static' and 'fill' pressure Available from the ALS Vac. Techs. 45A-AA2-DFBJ-2KG (part number from my valve, doesn't quite jibe with the MAC web site?) http://www.macvalves.com/Catalogs/CT/45.pdf Cryogenic Pressure Relief valves maintaining "static" and "fill" pressures in Storage Tank McMaster: 9137K41 (0-5 psi) 9137K43 (0-15 psi) ~$17 each ~$40 Pressure Transducer for Monitoring Supply Tank Pressures Omega: PX242A-005G5V 0-5 psi Gage transducer ~$159.00 Bordon tube Pressure Guages; McMaster: 3847K11 (Same as 3847K71) 1/8" NPT Male BOTTOM Mount (used as visual gauge where Omega Transducer is attached) 3847K51 (Same as 3847K72) 1/8" NPT Male CENTER BACK mount (used with Air Regulator) both have +/-2% Mid-Scale Accuracy 1-1/2" Dial, 0 - 15 PSI $8.34, and $8.90 Each Miniature Air Regulator for building pressure with Nitrogen Gas; McMaster: 6763K811 (Same as 6763K81) 1/8" Pipe, 10 Max Scfm, 0-25 PSI Range $31.73 Each Bordon tube Pressure Guage (Used at 'high' or 'filling' pressure relief valve) McMaster: 4089K11 (Same as 4089K61) 2" Dial, 1/4" NPT Male Bottom, 0 - 15 PSI Multipurpose Gauge +/-2% Mid-Scale Accuracy $8.52 Each ******************************************************************** Examples of Miscellaneous Plumbing fittings that couldn't be scrounged: Part Numbers from McMaster -- (this is mainly for me to remember what I used) ~$250 4596K15 Elbow Thk-Wall Dark Gray PVC Threaded Pipe Fitting 1-1/4" Pipe Size, 90 Deg Elbow, Schedule 80 In stock at $3.70 Each 4596K55 Coupling Thk-Wall Dark Gray PVC Threaded Pipe Fitting 1-1/4" Pipe Size, Coupling, 2-23/32" L, Schedule 80 In stock at $3.63 Each 4882K46 Nipple Thick-Wall Dark Gray PVC Threaded Pipe Nipple 1-1/4" Pipe X 3" L, Threaded Ends, Schedule 80 4882K276 Nipple Thick-Wall Dark Gray PVC Threaded Pipe Nipple 1-1/4" Pipe X 5-1/2" L, Threaded Ends, Schedule 80 In stock at $2.99 Each 4452K437 Tee Low-Pressure Type 316Ss Threaded Pipe Fitting 1-1/4" Pipe Size, Tee, 150 PSI In stock at $28.79 Each 48925K94 Pipe Std-Wall (Schedule 40) White PVC Unthrd Pipe 1-1/4" Pipe Size X 5' Length In stock at $4.98 Each 4596K857 Male Adapter Thk-Wall Dark Gray PVC Threaded Pipe Fitting 1-1/4" Pipe, Male Adapter, Sckt X NPT, 2-9/16" L, Sch 80 In stock at $4.96 Each 4596K76 Plug Thk-Wall Dark Gray PVC Threaded Pipe Fitting 1-1/4" Pipe Size, Hex-Head Hollow Plug, Sch 80 In stock at $3.02 Each ____________________ Other Stuff: Welded to the 1" hole that was drilled in the Custom altered Supply Dewar: 4443K736 In stock at $18.43 Each ************************************* Omega has: DP473-T-C2 $479.00 6 channel 10V analog output TC gauge RS232 ****************** CHAIN DRIVE & MOTOR 6408K121 (Same as 6408K12) Flexible Spider Shaft Coupling Hub Hub, 1/4" Bore, 1-23/64" Od, Without Keyway In stock at $3.26 Each 6408K73 Buna-N Spider for 1-23/64" Outside Diameter Flexible Spider Shaft Coupling Hub In stock at $1.94 Each ********************** Flow Meter 41945K75 Acrylic Panel-Mount Flowmeter for Air W/Control Valve, 2-30 Scfh, 1/4" NPT Female In stock at $53.97 Each ******************************* Epoxy putty 7531A11 Standard Epoxy Putty Stick 1-lb Kit, 50-Minute Set Time, 24-Hr Full Cure, Gray Each $14.33 ********************** CHAIN & Sprocket: Hollow-Pin Chain 2326K113 (Same as 2326K1) Stainless Steel Hollow-Pin Chain #40, 1/2" Pitch, 3' Length $111.60 Sprocket for #40 Chain 6799K144 Ss Plain-Bore Roller Chain Sprocket for #40 Chain, 1/2" Pitch, 18 Teeth, 5/8" Min Bore $64.23 Each This item was modified to accept 1/2" shaft, hub was machined down in diameter to allow ELLs to clear, sprocket was machined down, reducing thickness by ~ 0.050" to allow more up and down clearance/slop ********************** Minco Temperature Controller: Vendor: Johnson Aassociates 408-577-1080 Minco (phone: 763-571-3121) CT325TF2A5, Temperature Controller @ ~$55 each TS665TFY60A, Thermistor 60" leads @ ~15 each ********************** Power Supplies From Jameco (phone 1-800-831-4242) 167337 48Volt Power Supply @ ~$110. 137656 24Volt Power Supply @ ~$110 ********************* Silicone-Rubber Heaters from McMaster: 35765K22 (Same as 35765K138) Flexible Silicone-Rubber Heater Plain Backing, 4" X 5" Strip, 10 Watts/SQ Inch $23.07 35765K71 1" X 24" Strip, $21.60 Each 35765K78 3" Diameter $ 21. ********************* Parts used to hold Sample holders to chain, and Screws used hold magnets to Samples 92480A153 Brass Flat Head Phillips Machine Screw 6-32 Thread, 1" Length $10.49 per Pack of 100 92671A007 Brass Machine Screw Nut 6-32 Screw Size, 5/16" Width, 7/64" Height $3.58 per Pack of 100 Shims (used between the bottoms of sample ELLS and the top of the chain) 94773A741 18-8 Ss Shoulder Screw Shim - Shortening .030" Thick, 1/4" Shoulder Dia, .251" Id, .375" Od $11.85 per Pack of 100 ******************* Socket Head Screws (Hold the magnets which hold the sample pins) 93465A535 Brass Socket Head Cap Screw 1/4"-20 Thread, 3/8" Length $7.31 per Pack of 5 could (and do) also use Stainless, which is much cheaper ********************************** Carpet: (used under 160 liter LN2 Dewar Fill station 9297T422 (Same as 9297T42) High-Performance Polypropylene Drying Mat 36" W X 48" L (Approximate Size), Charcoal Gray $51.47 Each ************************************* Tamper Proof Screws used in mini-hutch 95635A539 18-8 Ss Button Pin-In-Hex Socket Cap Screw 1/4"-20 Thread, 5/8" Length, Fully Threaded $4.84 per Pack of 10 95635A419 18-8 Ss Button Pin-In-Hex Socket Cap Screw 10-32 Thread, 1/2" Length, Fully Threaded $8.69 per Pack of 25 91525A110 (Big assed washer to cover big assed holes to allow mini-hutch panels to be re-assembled Type 316 Stainless Steel Large-Od Flat Washer 10 Screw Sz, 13/64" Id, 11/16" Od, .033"-.047" Thk $13.94 per Pack of 100 ****************************************