Instantly cool electrical components to -65°F (-53.8°C). Dries fast and leaves no residue  Quickly deliver freezing power to hard-to-reach places  Ultra-low global warming potential (GWP)  Nonflammable and ozone safe.

An all-glass check valve with ground seat for liquid seal. Available in style A for vertical use, and style B for right angle connection. Connections are 8mm O.D.

Flexible Non contaminating Septum closure Use for gas or liquid sample containment Heat-sealed seams for leak-proof operation Reusable bags made of 2 mil PVDF fluoropolymer film, Chemware® Gas Bags offer an economical alternative for analysis of non-corrosive gases. Durable, heat-sealed seams…

Accessories for MD8 air sampling devices

Unique impinger designed to be more economical when connecting in series eliminates need for connecting tubes.The 12/5 joints are perpendicular and come directly off bottle 180 degree apart. Screw cap on bottle has PTFE liner. Each bottle has one ball and one socket joint. Capacity 25mL. Bottle is…

Bubbler with either fritted tip or plain orifice stopper. Bottle has 24/40 joint and 10 cm tube below bulge. Stopper has 12/5 outer joint on inlet arm and 12/5 inner on outlet arm. Fritted tip is porosity C (25-50m). Orifice tip is 1.5mm capillary with end tapered. Approximate capacity, with…

Used for sampling air volumes at low jet velocity. Bottle joint is 24/40. Stopper uses #7 Ace-Safe removable hose connections for easy connect/disconnect. Impinger nozzle calibrated to deliver 0.09 to 0.11 CFM at 30.5cm (12") H2O vacuum. Bubbler nozzle has sintered glass filter, porosity A…

A high velocity impinger for the determination of dust concentration in air or other gases. Total volume is approximately 500mL. Bottle joint is 45/50. Inlet/outlet are 12.5mm O.D. Modified versions available with spherical joints both vertical for connecting in series. Available with or without…

Glass Manifold with #15 Ace-Thred at either end To allow switching 5853 vacuum connection to left or right side. Supplied with three or five, 4mm straight bore PTFE stopcock sampling ports. (Additional ports can be ordered.) Overall length of glass manifold is 230mm. Complete item consists of 8763…

With completely adjustable 7mm inner tube. Tube has a pulled tip and is secured by a #7 Ace- Thred. Volume approximately 40mL. Tapered bottom of vessel allows for use with small volumes. Nylon bushing supplied with FETFE O-Ring. Available modified with #7 Ace-Threds on inlet/outlet for use with…

Double tube vacuum manifold with 4 x #15 o-ring joint ends. Available in 3 or 4 port configuration with Easy Action 0-10MM stopcocks. The ports can be ordered with either 14/20, 24/40 inner joints or #15 o-ring joints. Distance between ports is 100MM which will allow for flasks up to 250mL. Please…

Vacuum adapter with 2mm bore stopcock on side arm.

The ESS Air Sampling Bag incorporates a two opening system for sampling and extraction. The side port/stem (3/16" OD) allows filling with a pneumatic pump and tubing, and for rapid emptying of the bag. The top of the valve is

A high velocity impinger (Ref. AGI-4) which passes 12.3 to 12.6L/min. (corrected to engineering standard gas conditions) when the pressure drop across the orifice is 41cm Hg or greater. Stopper fits 24/25 125ml bottle and features a 11mm OD center tube, 8mm OD side arm with bulge, 0.05in capillary…

Thomas No. 1165A11 14/20 vacuum adapter, 30mm stem below the joint. Thomas No. 1165A12 14/20 vacuum adapter, 175mm stem below the joint. Thomas No. 1165A13 19/22 vacuum adapter, 30mm stem below the joint.

Straight tube type air sampling cane with polyethylene hood and stainless steel brackets. Codes -35 & -37 feature a #7 Ace-Thred port for introducing calibration gases.

Real-time filter breakthrough indicators. You don't have to change your filter in 3 months, 6 months or 9 months, change your filter only when exhausted and saturated using real-time breakthrough indicators. Get the most use of your filters and protect yourself from exposure to toxic chemicals.…

DrägerTubes® are glass vials filled with a chemical reagent that reacts to a specific chemical or family of chemicals. A calibrated 100mL sample of air is drawn through the tube with the Dräger accuro® bellows pump. If the targeted chemical(s) is present the reagent in the…

Imhoff sedimentation cone for the determination of settleable matter in water. Either blunt tip or Ace-Thred tip for environmental applications. Graduated from 0-2ml in 0.1ml divisions, 2-10ml in 0.5ml divisions, 10-40ml in 1ml divisions, 40-100ml in 2ml divisions.

Filters Breakthrough Indicators Inline for Acids, Ammonia, Ammonia & Hydrogen Sulfide, Basic Vapors, Formaldehyde, Humidity, Hydrazine, Hydrogen Sulfide and Mercury. The BTI Inline is colorimetric indicator that indicate the saturation and exhaustion of carbon adsorbers and filters.The BTI…

Filters Change Indicators Stickers for Acids, Aromatic diisocyanates, Basic Vapors, Halogens, Hydrazine, Formaldehyde, Hydrogen Sulfide, Mercury and Methyl Ketones. The Breakthrough (Saturation) indicators Stickers (BTIS) for ductless hood filters are colorimetric indicators that indicate the…

Borosilicate glass vacuum/NO-AIR trap. Simliar to 8755 traps but with No. 15 O-Ring side connecting joints. Ideal for vacuum cart and other vacuum or NO-AIR applications. Comes complete with stainless steel ball-joint clamp and Viton O-Ring.

Increased sensitivity and versatility over other models, mercury requirement is reduced to 20-30cc. A control point within 1mm Hg can be fine-tuned by adjusting the height of the pump-out tubulation. The Cartesian driver float drops away from pump-out orifice on an increas- ing system pressure and…

Permanent split capacitor, steel housed blower used to pull air through our Air Sampling manifolds. Blower produces 50 cfm @ 0.0 meters of water static pressure which assures a minimum pressure drop across each port in the manifold train. Free air rpm is 3030. Available in both 115 & 230v…

Consists of bottle with hex base and 45/50 joint, SO2 bubbler stopper with 25 mm diameter Por. C (25-50m) fritted disc, and impinger stopper. Capacity, 275mL. Inlet/outlet are 8mm.

Graduated Schlenk storage tube with 14/20 or 24/25 outer top joints, 14/35 or 24/40 inner joint side arms, stopcock inlet or hose barbed inlet valve. Reaction accessories include 7759 series filter tubes, 7807 series finger condenser, 9543 series stoppers and 13657-33 stirring magnet..

Automatic, adjustable pressure release valve for safer operation of pilot plant or other assemblies where the pressure is of great concern. The tension on the stainless steel spring determines the amount of pressure needed to force the lower piece open. With the spring supplied, the range is 15-50…

Single tube vacuum manifold with 35/20 ball joint ends. Available with 3 or 4 high vacuum stopcock ports. Order with inner joint port ends (14/20 or 24/40) or #15 o-ring joints. The distance between the ports is 95mm, ideal for flasks up to 250mL. Please see our various o-ring joint adapters such…

All Environmental Express 25mm Air Monitoring Cassettes are numbered and bar-coded and come with a Certificate of Quality. Asbestos TEM Cassettes are made of conductive polypropylene. They are supplied with 0.45µm MCE filters. All cassettes are sealed with the LOK-Seal™ band.…

7493 air sampling cane 6.4mm mesh PTFE screen assembly. Only available for our 25mm OD canes. Place the screen within the retaining ring, unfasten the yoke's nut & bolt, pass the now open yoke around the funnel and then tighten the nut and bolt to secure the assembly. The screen is held in place…

Adjustable bleed adapter used for reducing air flow in the Air Sampling Manifold to prevent a pressure drop across the sampling ports. Normally installed in front of the 7511 blower, in line with the manifold. Positioning of holes in threaded nylon plug controls the volume of air flow. Plug…

Adapter with side hose connection. Use as gas inlet or vacuum adapter. With 14/10 or 14/20 externally threaded top outer joints and 14/10 or 19/38 inner joints and size A or B serrated hose connection off side. Supplied with holed cap and FETFE O-Ring.