Samson V2001 Series, Mounting And Operating Instructions

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8 EB 8135/8136 EN
Design and principle of operation
2.1 Technical data
Valve size DN 15 to 80 NPS ½ to 3
Material
Spheroidal
graphite iron
EN-JS1049
Cast steel
1.0619
Stainless
steel
1.4408
Spheroidal
graphite
iron A 395
Cast steel
A216 WCC
Stainless
steel A351
CF8M
Pressure rating PN 16 · PN 25 Class 150 · Class 300
Connection Flanges
EN 1092-1 Form B1,
Ra 3.2 to 12.5 µm
EN 1092-1, groove Form D
Raised face
Seat-plug seal Metal seal
Characteristic Linear
Rangeability 30:1 up to DN 25 (NPS 1) · 50:1 for DN 32 (NPS 1) and larger
Temperature range –10 to +350 °C 14 to 660 °F
Leakage class DIN EN 1349: 0.05 % of K
VS
ANSI/FCI 70-2: 0.05 % of C
V
Compliance
·
2.2 Materials
Valve size DN 15 to 80 NPS ½ to 3
Valve body
Spheroidal
graphite iron
EN-JS1049
Cast steel
1.0619
Stainless
steel
1.4408
Spheroidal
graphite
iron A 395
Cast steel
A216 WCC
Stainless
steel A351
CF8M
Valve bonnet Cast steel S235JR (St 37) 1.4408 Cast steel S235JR (St 37) 1.4408
Seat ≤DN 25: 1.4305 · ≥DN 32: 1.4104 ≤NPS 1: 1.4305 · ≥NPS 1½: 1.4104
Plug 1.4305
Bellows seal 1.4541 · 1.4301
Packing PTFE
Body gasket Graphite on metal core
2.3 K
VS
and C
V
coefficients, seat diameters and travel
Valve size
DN 15 20 25 32 40 50 65 80
NPS ½ ¾ 1 – 1½ 2 2½ 3
K
VS
coefficients 4 6.3 8 16 20 32 50 80
C
V
coefficients 5 7.5 9.4 – 23 37 60 94
Seat Ø mm/in 24/0.94 40/1.57 65/2.56
Travel mm/in 15/0.59 15/0.59 15/0.59