Specification Sheet

© Nenutec Asia Pacic Pte. Ltd. 1
NVMZ SERIES
NVMZ motorised zone valve is mainly use in the HVAC
system to regulate the flow of water and stream in
response to the demand of a controller.
PRODUCT FEATURE
 Complete range from DN 15 to DN 25
 2 Way Normally Closed, Normally Open
and 3 way mixing
 Forged brass body
 Bubble-tight shutoff conserves energy and accurately
controls zone temperature for increased comfort
 PN 16 or 232 PSI system operating pressure
TECHNICAL SPECIFICATION
VALVE BODY PRESSURE RATING
232 psig (PN 16 or 1,600 kPa) Meets Requirements of ANSI B16.15, Class 250
FLUID / AMBIENT
TEMPERATURE LIMIT
2 to 105°C water at an Ambient Temperature of 40°C
SHIPPING & STORAGE TEMPERATURE LIMIT
-40 to 70°C (-40 to 158°F)
BODY SIZES, KV, MAXIMUM
CLOSE OFF PRESSURE
Body Size Flow Coefcient Close Off Pressure (Kpa)
DN 15 KV 1.6 130
DN 20 KV 3.5 100
DN 25 KV 5.5 62
SERVICE
Chilled and Hot Water, up to 50% Glycol Solutions
MOTOR
Synchronous
POWER CONSUMPTION
7 VA
VALVE POWER STROKE
Power Stroke: 9 to 11 seconds
Spring Return Stroke: 4 to 5 seconds
SEAT LEAKAGE
0.05%
PIPE CONNECTION
BSP
BODY MATERIAL
Body Forged Brass
Stem Stainless Steel
Paddle Synthetic Rubber EPT
Seal EPT
CERTIFICATION
CE and ISO 9000 (EN...requirements)
MODEL SELECTION
See TABLE 1: VALVE CODE NUMBER DESIGNATION
WEIGHT
1187 g (2.6lbs) maximum for complete assembly
NVMZ SERIES
MOTORISED ZONE VALVE