HyVac direct drive oil is a high quality, high boiling range, straight mineral oil of approximately 200 SUS at 100o F. Characteristics such as low vapor pressure and other unique benefits make it especially suitable for use in most high vacuum pumps including welch, precision, leybold, alcatel, Edwards and hyvac pumps. HyVac direct drive oil should be employed where direct drive pumps are used such as the leybold-heraeus, Edwards, and alcatel vacuum pumps.
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