Mesto Neles XH Series, Инструкция по установке, обслуживанию и эксплуатации

Страница: 14 / 16

14 1 XH 70 en
12 TYPE CODE
*) Bolting material for stainless steel body
**) Bolting material for carbon and low alloy steel body
Note: Ball material coding specifies only the type of material not grade
(cast, wrought, bar, forged), which can change based on ball size or type.
E.g. "316SS" type may be A351 gr CF8M, A479 gr 316, A182 gr F316 or
equivalent.
Recommended type codings for oxygen service:
XH _ GW TZ S6 RR FR DD A
XH_ GW TZ N1 NR FE DD A
XH _ GW TZ VE LR FD DD A
Constructions are not covered in ISO 15848-1 certification.
Neles Trunnion Mounted, Ball Valve, Full Bore, Series XH
1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12.
XH 06 G W TA AB RX R N B F A
1. VALVE SERIES & STYLE & FACE-TO-FACE
XH
Full bore, trunnions, f-to-f ASME B 16.10, Table 4, long pattern,
ASME 900
2. SIZE / NPS
02
2"
03 3"
04
4"
06 6"
08
8"
10 10"
12
12"
14 14"
16
16"
3. PRESSURE CLASS
G
ASME Class 900
4. END CONNECTION STYLE
W
Raised face, ASME B 16.5, (Ra 3.2-6.3), standard
Z Ring joint, ASME B16.5
5. CONSTRUCTION & APPLICATION
TA Standard construction. Double seated. Live loaded packing.
TZ
BAM tested non-metallic materials, for oxygen service.
Double seated. Metal bearings.
Live loaded graphite packing.
Temperature range -50...+200C. Max pressure based on body
rating.
Oxygen cleaning acc. to Metso internal procedure T-2115
included.
Constructions are not covered in ISO 15848-1 certification
6. BODY MATERIAL
AB
ASTM A350 LF2 (CS)
S6 ASTM A351 gr. CF8M (SS)
7. BALL / COATING & STEM MATERIAL
RX
316SS / Chrome carbide & XM-19 or 17-4PH
SL 316SS /NiBo & XM-19 or 17-4PH
8. SEAT TYPE
B Metal, solid proof
F
Metal, bellows
R Metal, firesafe service
9. SEAT MATERIAL
N Type 316 stainless steel
10. BEARING & SEAL MATERIAL
Trunnion
bearing
Packings Body gaskets O-rings
B
PTFE / SS net Graphite Graphite Viton GF
D
Cobalt based
alloy
Graphite Graphite Viton GF
11. BOLTING MATERIAL
Studs Nuts
D*
B8M 8M
F** L7M 2HM
12. MODEL CODE
A XH design version A