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4 mm Thin Wall Precision Suprasil EPR Pressure/Vacuum Tube 8″ Bottom Length

Pressure/Vacuum NMR Tubes

Our Pressure/Vacuum Tube is the most reliable NMR tube for medium range pressure (<300 psi) and ultra vacuum (10-8 torr) experiments on the market. It is designed to connect to a 1/8" metal (SST or brass) vacuum line using Swagelok® fittings or a rubber vacuum hose using a glass connector (OF-60). The PV-ANV valve is made of PTFE. Valve is opened by turning counterclockwise. Due to the nature of glass, Extreme Caution should be exercised when using at elevated or reduced pressures as performance of tubes under pressure or vacuum cannot be guaranteed. Adequate safety shielding should always be used when working in these conditions.. Wilmad Pressure Vacuum Sample Tube Instruction The upper portion of the Needle Valve is threaded and I.D. beveled to accept Swagelok® 1/8” tubing nut and ferrule, which makes it simple to connect the “PV” tubes to a compressed gas cylinder or directly to a vacuum rack as shown on the right picture. The following picture depicts the components of a Swagelok 1/8” connector:  X=A, B, or C in the part number If a fresh installation of the Swagelok connector on the gas line is required, please follow the following steps to assembly the PV tube: 1.  Determine the material of the gas line. For stainless steel gas line, order 250-4B-2, for brass gas line,  order 250-4A-2, for plastic gas line, order 250-1C-2, 250-2C-2, 250-3C-2. 2.  If installing on a metal gas line (brass or stainless steel), please pre-Swagelok fitting on the gas line by following the video below The outer diameter of the gas line is 1/8”, so ¾ extra turn would tighten the fitting. An example of stainless steel fitting 250-4B-2 on a gas line is shown below. 3.    Remove the lower nut (the one with the blue cap); 4.    Install the PTFE PV valve in the nut as shown in picture below. The needle valve can be tightly closed using a small wrench. If connecting the PV tube to an existing glass vacuum manifold through a rubber hose is needed, please refer to the picture below for parts:   After assembly

Specifications

  • O.D. (mm):4.000±0.013
  • I.D. (mm):3.200±0.013
  • Bottom Tube Length (inch):8
  • Wall Thickness (mm):0.40
  • Recommended Max. Pressure (psi):200

Application Notes

Each Pressure/Vacuum Tube includes a PV-ANV valve, not the Swagelok® nut or ferrules. Order connection parts separately.
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Pressure/Vacuum 5 mm OD NMR Tubes

Our Pressure/Vacuum Tube is the most reliable NMR tube for medium range pressure (<300 psi) and ultra vacuum (10-8 torr) experiments on the market. It is designed to connect to a 1/8" metal (SST or brass) vacuum line using Swagelok® fittings or a rubber vacuum hose using a glass connector (OF-60). The PV-ANV valve is made of PTFE and all other parts are Pyrex® or equivalent. Valve is opened by turning counterclockwise. Due to the nature of glass, Extreme Caution should be exercised when using at elevated or reduced pressures as performance of tubes under pressure or vacuum cannot be guaranteed. Adequate safety shielding should always be used when working in these conditions.. Wilmad Pressure Vacuum Sample Tube Instruction The upper portion of the Needle Valve is threaded and I.D. beveled to accept Swagelok® 1/8” tubing nut and ferrule, which makes it simple to connect the “PV” tubes to a compressed gas cylinder or directly to a vacuum rack as shown on the right picture. The following picture depicts the components of a Swagelok 1/8” connector:  X=A, B, or C in the part number If a fresh installation of the Swagelok connector on the gas line is required, please follow the following steps to assembly the PV tube: 1.  Determine the material of the gas line. For stainless steel gas line, order 250-4B-2, for brass gas line,  order 250-4A-2, for plastic gas line, order 250-1C-2, 250-2C-2, 250-3C-2. 2.  If installing on a metal gas line (brass or stainless steel), please pre-Swagelok fitting on the gas line by following the video below The outer diameter of the gas line is 1/8”, so ¾ extra turn would tighten the fitting. An example of stainless steel fitting 250-4B-2 on a gas line is shown below. 3.    Remove the lower nut (the one with the blue cap); 4.    Install the PTFE PV valve in the nut as shown in picture below. The needle valve can be tightly closed using a small wrench. If connecting the PV tube to an existing glass vacuum manifold through a rubber hose is needed, please refer to the picture below for parts:   After assembly

Application Notes

Each Pressure/Vacuum Tube includes a PV-ANV valve, not the Swagelok® nut or ferrules. Order these separately.
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Pressure/Vacuum NMR Tubes

Our Pressure/Vacuum Tube is the most reliable NMR tube for medium range pressure (<300 psi) and ultra vacuum (10-8 torr) experiments on the market. It is designed to connect to a 1/8" metal (SST or brass) vacuum line using Swagelok® fittings or a rubber vacuum hose using a glass connector (OF-60). The PV-ANV valve is made of PTFE. Valve is opened by turning counterclockwise. Due to the nature of glass, Extreme Caution should be exercised when using at elevated or reduced pressures as performance of tubes under pressure or vacuum cannot be guaranteed. Adequate safety shielding should always be used when working in these conditions.. Wilmad Pressure Vacuum Sample Tube Instruction The upper portion of the Needle Valve is threaded and I.D. beveled to accept Swagelok® 1/8” tubing nut and ferrule, which makes it simple to connect the “PV” tubes to a compressed gas cylinder or directly to a vacuum rack as shown on the right picture. The following picture depicts the components of a Swagelok 1/8” connector:  X=A, B, or C in the part number If a fresh installation of the Swagelok connector on the gas line is required, please follow the following steps to assembly the PV tube: 1.  Determine the material of the gas line. For stainless steel gas line, order 250-4B-2, for brass gas line,  order 250-4A-2, for plastic gas line, order 250-1C-2, 250-2C-2, 250-3C-2. 2.  If installing on a metal gas line (brass or stainless steel), please pre-Swagelok fitting on the gas line by following the video below The outer diameter of the gas line is 1/8”, so ¾ extra turn would tighten the fitting. An example of stainless steel fitting 250-4B-2 on a gas line is shown below. 3.    Remove the lower nut (the one with the blue cap); 4.    Install the PTFE PV valve in the nut as shown in picture below. The needle valve can be tightly closed using a small wrench. If connecting the PV tube to an existing glass vacuum manifold through a rubber hose is needed, please refer to the picture below for parts:   After assembly

Application Notes

Each Pressure/Vacuum Tube includes a PV-ANV valve, not the Swagelok® nut or ferrules. Order connection parts separately.
Read more...

5 mm Heavy Wall Precision Quartz Pressure/Vacuum EPR Sample Tube 8″ Bottom Length

Pressure/Vacuum NMR Tubes

Our Pressure/Vacuum Tube is the most reliable NMR tube for medium range pressure (<300 psi) and ultra vacuum (10-8 torr) experiments on the market. It is designed to connect to a 1/8" metal (SST or brass) vacuum line using Swagelok® fittings or a rubber vacuum hose using a glass connector (OF-60). The PV-ANV valve is made of PTFE. Valve is opened by turning counterclockwise. Due to the nature of glass, Extreme Caution should be exercised when using at elevated or reduced pressures as performance of tubes under pressure or vacuum cannot be guaranteed. Adequate safety shielding should always be used when working in these conditions.. Wilmad Pressure Vacuum Sample Tube Instruction The upper portion of the Needle Valve is threaded and I.D. beveled to accept Swagelok® 1/8” tubing nut and ferrule, which makes it simple to connect the “PV” tubes to a compressed gas cylinder or directly to a vacuum rack as shown on the right picture. The following picture depicts the components of a Swagelok 1/8” connector:  X=A, B, or C in the part number If a fresh installation of the Swagelok connector on the gas line is required, please follow the following steps to assembly the PV tube: 1.  Determine the material of the gas line. For stainless steel gas line, order 250-4B-2, for brass gas line,  order 250-4A-2, for plastic gas line, order 250-1C-2, 250-2C-2, 250-3C-2. 2.  If installing on a metal gas line (brass or stainless steel), please pre-Swagelok fitting on the gas line by following the video below The outer diameter of the gas line is 1/8”, so ¾ extra turn would tighten the fitting. An example of stainless steel fitting 250-4B-2 on a gas line is shown below. 3.    Remove the lower nut (the one with the blue cap); 4.    Install the PTFE PV valve in the nut as shown in picture below. The needle valve can be tightly closed using a small wrench. If connecting the PV tube to an existing glass vacuum manifold through a rubber hose is needed, please refer to the picture below for parts:   After assembly

Specifications

  • O.D. (mm):4.970±0.013
  • I.D. (mm):2.160±0.013
  • Bottom Tube Length (inch):8
  • Wall Thickness (mm):1.40
  • Recommended Max Pressure (psi):400

Application Notes

Each Pressure/Vacuum Tube includes a PV-ANV valve, not the Swagelok® nut or ferrules. Order connection parts separately.
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5mm Thin Wall Precision Suprasil EPR Pressure/Vacuum Tube 8″ Bottom Length

Pressure/Vacuum NMR Tubes

Our Pressure/Vacuum Tube is the most reliable NMR tube for medium range pressure (<300 psi) and ultra vacuum (10-8 torr) experiments on the market. It is designed to connect to a 1/8" metal (SST or brass) vacuum line using Swagelok® fittings or a rubber vacuum hose using a glass connector (OF-60). The PV-ANV valve is made of PTFE. Valve is opened by turning counterclockwise. Due to the nature of glass, Extreme Caution should be exercised when using at elevated or reduced pressures as performance of tubes under pressure or vacuum cannot be guaranteed. Adequate safety shielding should always be used when working in these conditions.. Wilmad Pressure Vacuum Sample Tube Instruction The upper portion of the Needle Valve is threaded and I.D. beveled to accept Swagelok® 1/8” tubing nut and ferrule, which makes it simple to connect the “PV” tubes to a compressed gas cylinder or directly to a vacuum rack as shown on the right picture. The following picture depicts the components of a Swagelok 1/8” connector:  X=A, B, or C in the part number If a fresh installation of the Swagelok connector on the gas line is required, please follow the following steps to assembly the PV tube: 1.  Determine the material of the gas line. For stainless steel gas line, order 250-4B-2, for brass gas line,  order 250-4A-2, for plastic gas line, order 250-1C-2, 250-2C-2, 250-3C-2. 2.  If installing on a metal gas line (brass or stainless steel), please pre-Swagelok fitting on the gas line by following the video below The outer diameter of the gas line is 1/8”, so ¾ extra turn would tighten the fitting. An example of stainless steel fitting 250-4B-2 on a gas line is shown below. 3.    Remove the lower nut (the one with the blue cap); 4.    Install the PTFE PV valve in the nut as shown in picture below. The needle valve can be tightly closed using a small wrench. If connecting the PV tube to an existing glass vacuum manifold through a rubber hose is needed, please refer to the picture below for parts:   After assembly

Specifications

  • O.D. (mm):4.970±0.013
  • I.D. (mm):4.200±0.013
  • Bottom Tube Length (inch):8
  • Wall Thickness (mm):0.38
  • Recommended Max. Pressure (psi):200

Application Notes

Each Pressure/Vacuum Tube includes a PV-ANV valve, not the Swagelok® nut or ferrules. Order connection parts separately.
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Explosion Protection Chamber for High Pressure NMR/EPR

Explosion Protection Chamber

Acrylic tube system shields users by preventing debris from projecting sideways should a pressurized NMR or EPR tube fracture or explode. The chamber is used by securely suspending the sample during pressurization and in transport from the bench to the spectrometer. Placement over the magnet’s upper barrel allows for simple loading of the sample tube while the stopper ensures the lowering strings cannot fall into the spectrometer. Helps prevent injury when performing high-pressure NMR or EPR experiments One-size-fits-all design allows for simple set-up with all Varian/Agilent, JEOL, and Bruker spectrometers Can withstand up to 500 bar when used in single barrel mode for Varian/Agilent & JEOL systems Chamber also shields the user during transport and loading of the sample, unlike blast shields Can withstand up to 1000 bar when configured for Bruker systems and 500 bar when configured for Varian/Agilent & JEOL systems Leg array can be set to a wide or narrow stance to better fit your spectrometer NOTE: Not for use in spinning experiments.

Specifications

  • Fits tube size:5mm
  • Outer Tube I.D.:1.34" (34.04mm)
  • Inner Tube I.D.:1.01" (25.65mm)
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5mm Economy Tube PTFE Plug, 100/Pk

NMR/EPR Tube Caps - PTFE

Our PTFE NMR/EPR Tube Caps are machined to exact specifications with smaller gyroradius and more homogeneous mass distribution than disposable caps providing better spinning stability. They are recommended for experiments at high - ultra high field and those using Chloroform as the reference solution. They will only fit our Precision tubes due to the tight tolerance.

Specifications

  • Fits Tube with O.D. (mm):5.0
  • Fits Tube Style:Wilmad 5mm Precision Tube
  • Material:PTFE
  • Quantity per Pack:100

Application Notes

Pictured on tube Technical Tip:
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NMR/EPR Tube Caps – PTFE

Our PTFE NMR/EPR Tube Caps are machined to exact specifications with smaller gyroradius and more homogeneous mass distribution than disposable caps providing better spinning stability. They are recommended for experiments at high - ultra high field and those using Chloroform as the reference solution. They will only fit our Precision tubes due to the tight tolerance.

Application Notes

Pictured on tube Technical Tip:
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5 mm NMR Tip-Off Manifold

Tip-Off Manifold for Constricted Tube

The Wilmad-LabGlass tip-off manifold connects to an NMR tube by a threaded aluminum bushing which is isolated from the vacuum by a PTFE high-vacuum rotary valve with Viton O-rings. Rotating the valve will open and close the tube to the vacuum line. The manifold port is highly resistant to chemicals.

Details

5 mm OD Tubes 

Specifications

  • Description:Complete Tip-off Manifold

Application Notes

Due to the nature of glass, Extreme Caution should be exercised when using at elevated or reduced pressures since a tiny scratch on the glass surface would significantly lower the tensile strength. Adequate safety shielding should always be used when working in these conditions.
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Coaxial System Complete w/3.30 mm Insert Tube

Coaxial Inserts

•Switch between three unique sample ratios during external referencing experiments.•Ideal for variable temperature experiments as materials is the same between the tubes and spacer.•In the complete set the insert and outer tube are fused together at the bottom. It is recommended for high field experiments under 600 MHz.•For ultra high field experiments over 600 MHz; order an inner tube, two spacers and a Precision Thin Walled tube rated for over 600 separately.

Details

Complete sets come with inner and outer tubes, spacer and cap w/hole.Complete sets come with inner and outer tubes, spacer and cap w/hole.

Specifications

  • Description:Complete Set (Inner tube OD 3.3 mm, ID 2.34 mm)
  • OD (mm):4.97
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