GESTRA UNA 13P, Руководство по установке

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1 ) Physical and chemical properties comply with DIN grade. ASTM nearest equivalent grade is
stated for guidance only.
Technical Data
Pressure/Temperature Rating
UNA 13 P
PMA (Max. allowable pressure) [barg] 1 16
[psig] 230
TMA (Max. temperature)
with steel valve ball [°C] 120
with Perbunan valve ball [°C] 1 40
∆
PMX (Max. differential pressure)
with steel valve ball [barg] 1 16
[psig] 230
with Perbunan valve ball [barg] 1 16
[psig] 230
(inlet pressure minus
outlet pressure)
Materials
DIN
Body and
cover
new designation old designation
Ball float
Seat
Valve ball
Body
gasket
Other
internals
EN-GJL-250
(EN-JL-1040)
Cast iron GG 25
(0.6025)
Austenitic stainless steel
X 6 CrNiMoTi 17122
(1.4571)
Stainless steel
X 8 CrNiS 189 (1.4305)
Stainless steel
X 5 CrNi 1810 (1.4301)
Graphite/CrNi
Stainless steel
ASTM 1 )
equivalent
A 126 CL.B
AISI 316 Ti
AISI 303
A 182 F 304