DC 77-02-01-PF Rev.3
I
III
IV V VI VII Class
Ball
Seats
Stem packing
Body seal 1
Body seal 2
Stem o-ring
u - Standard
B – Sampling valve 0 - F4/F5Special
T - PTFE
T - PTFE
T - PTFE
T – PTFE V - Viton ® (FKM)CF8M 1,4408CF81,4027
CA15AISI410LF2+ENP LF2+ENP 1,4027A105
LF2+ENP AISI410 WCC CA151,4408 1,4462A105 CF8M WCC F51LCC LF2
1,0619QT F51 CF8M 1,44081,44621,45391,4539904L 904L LCC CF8M LF2F511,44081,4462
NOTE 1 : * Carbon steel valves class 1500 and above will be assembled with bodies in A105 and ball in F51material.
NOTE 2 : When both seats of a valve are not assembled with the same material, marking will be as follows: Fig. X/TGGNN where X – Body 2 (adapter) seat material; T-– Body seat material NOTE 3 : Heating jacket connection flanges will be marked as follows: DN, PN, heat number and material.
NOTE 4 : In case various special prefixes have to be used in the same valve configuration, this order will be follow: special prefix column from top to bottom.Example : Reduced bore valve with security stem extension and heating jacket: Fig. FHRB
NOTE 5 : Valves size DN32 or NPS 1 ¼” and above will be СЄ marked according to 97/23/EC.// According to 94/9/EC Directive ATEX marking will be stamped in all sizes. NOTE 6: For 3 pieces design Full Trunnion mounting will correspond to Fig. GS or GKS
1,0619
3-1,0619LF2+ENP 4-
5- K - KALREZ ®
(FFKM)
Y – TF1750®VALVE FINAL MARKING
V - VITON ®
(FKM) N - NITRILE E - EPDM
S - PTFE+ 25% CG G - GRAPHITE U – UHMWPE
®
0-Special 2 - F1 3 -CL-300 S - PTFE+ 25% CG X - PTFE + 50% SS. P - PEEK
K - KEL´F ®
(PCTFE)
SERIES
SPECIAL PREFIX
II
Body
2-Cast iron
R - PTFE + 25% FG R - PTFE + 25% FG E - Standard stem extension F - Security stem extension Z – 2008 system
C - Cavity filler
1 - CL-150
1-Cast iron
S - PTFE+ 25% CG G - GRAPHITE U – UHMWPE ®
Y – TF1750®
N - NITRILE R - PTFE + 25% FG G - GRAPHITE V - VITON ®
(FKM) E - EPDM
K - KALREZ ®
(FFKM)
L-CHLOROPRENE
I - SILICONE
U - UHMWPE ®
7 - 4 ways
D - DELRIN ® I - Inclined stem G - Guided ball N – DEVLON ® V L-CHLOROPRENE
I - SILICONE
Y – TF1750
® C – S. steel + Cr Carbide K - KALREZ® (FFKM)6-CF8M 1,4408 90 – CL-900
K – 3 pieces U - Unidirectional 15 – CL-1500 * 25 – CL-2500 * O - Degreased S - Spring seat
W - TUNGSTEN
H -COLMONOY H - Heating jacket L - Locking device M – Metallic seat T - Simple stem extension W – Welded body V – VITON® (FKM) RB - Reduced bore
80- CL-800
1,0619QT 9-7- G - GRAPHITE 4 – CL-400
5 - Tank bottom 8 - 3 ways 9 – Wafer
6 - CL-600。