22
8.4.1 - Two-port valve body
8.4.2 - Three-port valve body
DIRECTION ARROW
TO COIL
Two-port valves
Three-port valves
9 - FLEXIBLE WATER PIPES
• Materials
- Pipes: MEPD-based elastomer (modified ethylene-propy-
lene-diene)
- Braid: 304L stainless steel
- Insulation: cell foam rubber to M1 fire rating (chilled
water pipes only, 9 mm thickness).
• Characteristics
- Minimum bending radius: 35 mm non-insulated, 75 mm
insulated
• The flexible water pipes are designed to carry treated or
untreated water (maximum 40% concentration of ethylene
glycol or propylene glycol).
• Maximum hot water temperature 90°C
• Operating pressure: 16 bars
• Test pressure: 24 bars
• Connections: 1/2” BSP threaded nut
CONNECTOR NUT
- THREAD DEPTH 9.5 MM
- INTERNAL THREAD 1/2” TO STANDARD NFE 03-005
- PROVIDE LEAKTIGHT SEAL (NOT SUPPLIED BY CARRIER)
CONNECTOR NUT
- THREAD DEPTH 9.5 MM
- INTERNAL THREAD 1/2” TO STANDARD NFE 03-005
- PROVIDE LEAKTIGHT SEAL (NOT SUPPLIED BY CARRIER)