STD1

Features

If a STD is employed, it is possible to change seals with the vessel loaded and under pressure (shaft must be stationary!). Installation dimensions according to DIN 28138 Part 1 are possible. Material properties have to be taken into account.

Advantages

Can be installed in each position.

Operating range

Shaft diameter:
d3 = 40 ... 200 mm (1.57" ... 7.87")
Pressure: p1 = 16 bar (232 PSI)
Temperature: t = +100 °C (+212 °F)

Elastomer sealing element (Item no. 1) with pneumatic or hydraulic actuation
(closing pressure p4 > p1).

Notes

This seal can only be used if the product does not harden or congeal during the shut down period or for sterile operation (fermenting vessels). Not available in PTFE.

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