Samson 2488 N - Page 11

EB 3136 EN 11
Design and principle of operation
Table1: Technical data for Type2488N Valve
Type 2488N Valve
Valve size DN15
Nominal pressure PN 10
Max. perm. differential pressure Δp 4bar
K
VS
coefcient
Standard version 2.5
Special version 1.0
Max. permissible temperature
Treated water 110°C
Non-ammable gases 80°C
Flow rate set point range/limitation for water with a
differential pressure at the restriction of 0.2bar
Standard version 0.3 to 1.0 m³/h
Special version 0.1 to 0.5 m³/h
Differential pressure at the restriction 0.2bar
Materials
Body CC499K
Plug 1.4301 with EPDM seal
Restriction Brass, free of dezincication
Diaphragm EPDM without fabric reinforcement
Weight
Valve Approx. 1.0kg