Draining the V43/V243 valves during shutdown - PENN Controls - LIT-125683 - V243 - V43 - Pressure Actuated Water Regulating Valve - V243 High Pressure Refrigerant - V43 Low and All‐Range Pressure Refrigerant

V43/V243 Series Pressure-Actuated Water-Regulating Valves Product/Technical Bulletin

Brand
PENN Controls
Product name
V243 High Pressure Refrigerant
V43 Low and All‐Range Pressure Refrigerant
Document type
Product Bulletin
Technical Bulletin
Document number
LIT-125683
Part number
24-7664-699
Document revision
E
Revision date
2021-08-17
Language
English

To reduce the possibility of freeze-up, drain the V43/V243 valves during shutdown. To drain, unscrew the drain plug at the base of the V43/V243 valves. See Figure 1.

Note: In order to drain, you must mount the V43/V243 valves in a horizontal water line with the bellows up and the drain plug down.
Figure 1. MONEL screen, drain plug, and manual flushing procedures