How to specify bx2001 valves – Flowserve BX2001 Durco User Manual
Page 2
DURCO BX2001 USER INSTRUCTIONS ENGLISH 9-13
2
HOW TO SPECIFY BX2001 VALVES
Size
Type Body Class Materials Seal Seat Operator Options
Type
Selection
Code
Big Max 2001
BX2
Body
Lug
L
Wafer
W
Class
ASME 150 Bidirectional
1
DIN PN10
2
ASME 150 End of Line Lug
4
DIN PN16
5
DIN PN20
7
ASME 300 Bidirectional
3
ASME 300 End of Line Lug
9
DIN PN25
0
DIN PN40
8
Options
Code
Selection
T
TriFlex/Apex to 400°F
H
TriFlex/Apex 401°F to 600°F
R
TriFlex 601°F to 800°F
Y
TriFlex 801°F to 1000°F
B
Single 1/8" NPT Bleed/Inj. Port
1
P
Two 1/8" NPT Purge Ports
1
L
Bearing Lube (1/8" NPT Port)
C
CL2 Cleaned
O
O2 CleanedH
S
Special CleaningH
N
N.A.C.E. Trim (includes R shaft)
J
Steam Jacket
D
Steam Traced Disc
F
Special Fasteners
I
Inconel 718 Bellevilles lt
Z
None
X
Special Non-Standard
Operator
Code
Selection
0
Locking Lever 2-8 in
1
Enclosed Gear
2
Pad Lockable Gear
9
Bare Stem
Seat
Code
Selection
V
PFA/Viton Energizer*
R
PFA/Silicone Energizer
M
PFA/Inconel Energizer
Z
Fire Seal PFA/Inconel
N
Inconel TriFlex u
S
316/Inconel TriFlex
A
Inconel APEX Class IV
C
Copper/Inconel TriFlex
K
Monel TriFlex
U
UHMWPE (2" - 12")
4
Nickel/Inconel TriFlex
Shaft Seal
Code
Selection
1
Single PTFE Cup & Cone*
2
Double PTFE Cup & Cone
3
Live Loaded Single Cup & Cone*
4
Live Loaded Double Cup & Cone**
7
Triple Seal Single PTFE
Cup & Cone (Self-Adjusting)
8
Triple Seal Double PTFE
Cup & Cone (Self-Adjusting)
9
Single Grafoil zt
0
Double Grafoil t
Selection Code
D4*z
1
DS*z 8
D4L
L
D20
2
DMM
3
DNI
4
DC2
5
Selection Code
DC3
6
Ti
7
D2
9
DINC
N
CK3M
K
CD4MCu
0
Selection Code
D4*z
1
D4L
L
D20
2
DMM
3
DNI
4
DC2
5
Selection Code
DC3
6
Ti
7
D2
9
DINC
N
CK3M
K
CD4MCu
0
Selection Code
17-4SS*
1
316SS
S
C20H
2
K Monel 500
3
Nickel
4
Hastelloy B
5
Hastelloy C276
6
Selection Code
Ti
7
N50A
R
s N50 TriFlex
T
+601°F
Ferralium 255
F
254 SMO
K
Selection Code
PTFE/Fiberglass
A
Hastelloy B/PTFE
B
C20/PTFE
C
Hastelloy C/PTFE
H
Inconel X750, APEX
or TriFlex +400°F
I
Titanium/PTFE
L
Selection Code
Inconel/PTFE
N
316SS/PTFE
z
S
Monel/PTFE
M
Nickel/PTFE
4
316 HCP (TriFlex*
or APEX +400°F)
T
* = Standard PFA Seat - All other materials considered optional.
** = 17-7 S.S. Belleville Washers included.
H = Customer specification must be given.
l
= For use with Shaft Seals 3 & 4 only (17-7 Bellevilles Standard).
z = Standard Fire Sealed.
u
= Standard TriFlex Seat - All other materials considered optional.
t
= Grafoil Packing is NOT recommended with Belleville Washers.
s = ASTM A479 Xm19 Standard Triflex +601°F (315°C)
1
= Per Packing Gland
Valve Size
Selection Code
2 in (50 mm)
2
3 in (80 mm)
3
4 in (100 mm)
4
5 in (125 mm)
5
6 in (150 mm)
6
8 in (200 mm)
8
10 in (250 mm)
10
12 in (300 mm)
12
Selection Code
14 in (350 mm)
14
16 in (400 mm)
16
18 in (450 mm)
18
20 in (500 mm)
20
24 in (600 mm)
24
30 in (750 mm)
30
36 in (900 mm)
36
Body Material
Disc Material
Shaft Material
Bearing Material
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