Samson 3222 N, Монтаж и эксплуатация

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2.1 Technical data for Type 3222 N Globe Valve
6
EB 5867 EN
Design and principle of operation
Nominal size DN 15
Connection ISO 228/1-G ¾ B
Type of end connections (optional)
Threaded ends G ½
Welding ends
Soldering ends
Nominal pressure PN 16
K
VS
coefficient
Standard 2.5
Special version 0.25 · 0.4 · 0.63 · 1 · 1.6
Valve travel 6 mm
Characteristic Equal percentage
Pressure balancing None
Max. perm. differential pressure
Δ
p 6 bar
Type of sealing
K
VS
≤
1 Metal sealing
K
VS
= 1.6 and 2.5 Soft sealing
Leakage rate (Class I acc. to IEC 60534) < 0.05 % of K
VS
coefficient
Max. permissible temperature 120 °C
Max. permissible
medium temperature
Treated water 120 °C
Non-flammable gases 80 °C
z value 0.43
Materials
Valve body CW602N (brass)
Plug
Up to K
VS
= 1 1.4305
K
VS
= 1.6 and 2.5 1.4305 with EPDM seal
Plug stem 1.4305
Seat
Up to K
VS
= 1 1.4305
K
VS
= 1.6 and 2.5 CW602N (brass)
Valve spring 1.4310 K
Welding ends 1.0254 (St 37)
Threaded ends Brass
Soldering ends CC491K (red brass, Rg 5)
Intermediate insulating piece 1.4305, CW617N (brass), PTFE, EPDM, FPM