Simplify Your Workflow with RAVEqc Quick-Connect Air Valves
15 Feb 2019
New RAVEqc quick-connect air valves from Restek are a tool-free alternative to bellows/ diaphragm valves that reduce the time and variability associated with connecting air canisters to other devices. Standard bellows/diaphragm valves rely on compression fittings to connect air cans to flow controllers, autosamplers, cleaners, and other equipment commonly used to collect and analyze air samples. While compression fittings are tried-and-true, they also require more time and greater skill to ensure the connections are not overtightened, cross threaded, or leaking, which can cause damage, reduce valve lifetime, and result in sample loss.
RAVEqc quick-connect air valves eliminate that risk by providing a means of making the connection and opening the valve in one tool-free, consistent process that means anyone and everyone can successfully use them. Whether you need to replace your existing bellows/diaphragm valves or want the extra security of using two valves in tandem to better protect your samples, RAVEqc quick-connect air valves are a tool-free, easy-to-use option that will make air sampling and analysis much easier.
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SilcoCan® Air Sampling Canisters with RAVE™ Valve
Restek Corp.For ultimate inertness, SilcoCan® air sampling canisters feature our unique Siltek® treatment technology. Even highly active components, at low parts-per-billion concentrations, can be readily sampled and stored without loss. The RAVE™ valve is a high-quality, metal-to-metal seal, 2/3-turn valve with metal diaphragms to prevent sample adsorption for more-accurate results. Both stainless steel and Siltek®-treated RAVE™ valves are available, in both the 2-port and 3-port configurations. Each canister is slightly pressurized with contaminant-free nitrogen prior to shipment.Whether you are monitoring for TO-14A, TO-15, or reactive sulfur compounds, SilcoCan® canisters are your best choice for inertness. In Tedlar® bags, the stability of low-level (100 ppbv) sulfur volatile organic compounds (VOCs) is poor, even within 24 hours of sampling. Sulfur compounds react with the metal surface in electropolished canisters, so they are unsuitable for collecting and storing low-level sulfur VOCs. SilcoCan® air sampling canisters, which feature a Siltek®-treated surface, offer excellent storage stability for sulfur VOCs at very low levels (5–20 ppbv), under dry or humid conditions. The versatility of the SilcoCan® canister makes it an excellent choice for collecting and storing TO-14A or TO-15 compounds.Features: Siltek®-treated canister with optional Siltek®-treated valve offers unsurpassed inertness, even for sulfur-containing or brominated compounds. High-quality, metal-to-metal seal, 2/3-turn valve with stainless steel diaphragms prevent sample adsorption for more-accurate results. Canisters and valves made of 304 and 316 stainless steel to withstand the rigors of field work. 2-port or 3-port valve available; 3-port valve includes -30″ Hg/60 psi vacuum/pressure gauge (other gauges available). Featuring the proven long life, leak-free performance, and effortless operation of the new RAVE™ valve.