8
Structure and function
5.2.2
Device variants
The globe valve is available for the following actuator sizes:
ø 50 mm, ø 70 mm, ø 90 mm, ø 130 mm.
5.2.3
Restrictions
WARNING!
Risk of injury from pressure surge!
A pressure surge could cause lines and the device to burst.
Because of the risk of pressure surge,
valves with the flow
direction above the seat must not be used for fluid media
.
▶
Observe the type of flow and type of medium for operating
the device.
5.3
Intended area of application
Observe the maximum pressure range on the type label!
•
For neutral gases and liquids up to 25 bar.
•
Steam up to 230 °C.
•
Hot water up to 200 °C.
•
Aggressive media.
6
STRUCTURE AND FUNCTION
6.1
Structure
The globe valve consists of a pneumatically actuated piston
actuator and a 2-way body.
The actuator is made from polyphenylene sulphide (PPS). The
proven, self-adjusting packing gland guarantees a high degree of
tightness. The stainless steel valve body aids in flow and facili
-
tates high flow rates.
Transparent cap with position
indicator
Actuator cover
Actuator housing
Globe body
Flow direction arrow or
digits for indicating the flow
direction
Image 1:
Type 2101globevalve,structureanddescription(1)
Type 2101
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