1 T 70 en
15
12
TYPE CODING
TOP ENTRY BALL VALVE, Series T2
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
Q-
T2
G
H
20
D
H
H
03
01
Y
Q-CODE
PRODUCT DESIGN
Q-
Standard low noise trim for gas and liquid application,
single seat construction
Q-CODE
SPECIAL PRODUCT OPTIONS
QLF-
Feedwater trim, single set construction
QX-
Multichannel Q-ball for gas and liquid applications
QXA- *)
Multichannel Q-ball + attenuator plate in downstream
flow port of body for gas applications
*) For liquid applications customized baffle plates are used.
Code "A" replaced with "Y".
1. sign
SERIES / DESIGN
T
Top entry body, trunnion mounted, gland packing
(except subsea)
STANDARD
T2
Full bore, flanged
NON-STANDARD
T3
Full bore, weld ends
T4
Reduced bore, weld ends
2. sign
PRESSURE RATING
G
ASME Class 900
H
ASME Class 1500
3. sign
CONSTRUCTION
A
General, PTFE bearings, double-seated
B
Single-seated, metal bearings, one-way tight
E
Single-seated, PTFE bearings, one-way tight
H
High temperature, metal bearings, double-seated
S
Subsea-construction
Y
Special
4. sign
SIZE (in)
02, 03, 04, 06, 08, 10, 12, 14, 16, 18, 20, 24, 28, 30
5. sign
BODY
BOLTING
STANDARD MATERIALS
A
CF8M
B8M
D
WCB
L7M
NON-STANDARD MATERIALS
F
LCC
L7M
G
WCC
L7M
J
LC2
L7M
Y
Special
6. sign
BALL
STANDARD MATERIALS
A
CF8M / AISI 316 + Chrome *)
D
CF8M / AISI 316 + NiBo
NON-STANDARD MATERIALS
B
CF8M / AISI 316 + Cobalt based hard facing
G
Type AISI 329 (SS 2324) + Chrome *)
H
CA-6NM (or F6NM) + Chrome *)
Y
Special
*) Ball without Chrome with soft seats
7. sign
SEAT
H, S
Standard metal seat
T
Standard soft seat
G
Metal seat
8. sign
Seat seal
Bonnet
gasket
Gland
packing
Back seal
of support
ring
Spring /
Bellows
STANDARD MATERIALS
02
(Polyamide) Graphite
Graphite
Viton GF
Inconel
X-750
03
(Polyamide) Graphite
Graphite
Wno.
1.4418
(Avesta
248SV)
18
Graphite
Graphite
GR660 /
F6NM
NON-STANDARD MATERIALS
05*
Viton GF
V-rings,
PTFE
Viton GF
AISI 329
(SS 2324)
* subsea
9. sign
Construction code
10. sign
Y
Special flanges
