2 BW 70 en
19
11
Type code
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12. /
/
13.
14.
BW
3
G/D
1
B
56
P
N2
N1
N1
G3
1. sign
–
2. sign
PRODUCT SERIES / DESIGN
BW
Metal seated butterfly valve, triple eccentric available as Double flanged,
Lug, Wafer or Butt weld end type.
3. sign
BODY CONSTRUCTION
2
Flanged, long pattern
3
Flanged, short pattern
4
Lug or Mono flange or single flange
6
Wafer
7
No Entry + Butt Weld ends
8
Top entry, Side Butt Weld ends
9
Top entry, Top Butt Weld ends
Y
Special, to be specified
4. sign
Body
BODY PRESSURE RATING
4. sign
Trim
TRIM PRESSURE RATING
Use trim rating e.g. /C
if not full rated
C
ASME class 150
/C
ASME class 150
D
ASME class 300
/D
ASME class 300
F
ASME class 600
/F
ASME class 600
G
ASME class 900
/G
ASME class 900
H
ASME class 1500
/C
ASME class 150
H
ASME class 1500
/H
ASME class 1500
I
ASME class 2500
/I
ASME class 2500
BW1H/F...-> full rated body #1500, de-rated trim #600. Corresponding PN pressure
classes also avaiable.
5. sign
SEAT DESIGN
1
U-Type Metal seat with coating (sign 11).
Max tightness in preferred direction API 598 or FCI 70.2 cl V (std),
FCI 70.2 cl VI (optional), EN12266 Rate B.
Non-preferred direction, FCI 70.2 cl V (Air).
2
Double seat, metal + soft (Tmax limited by soft seat).
Max tightness in preferred direction, API 598, FCI 70.2 cl VI, EN12266 Rate A.
Non-preferred direction, FCI 70.2 cl VI (Air).
Max pressure 100 bar.
4
Double seat on valve body + leak off connection between the seat.
Max tightness in preferred direction, API 598.
Max tightness in non-preferred direction, FCI 70.2 cl VI (Air).
8
Solid proof.
One sealing ring on the disc + seat on the body.
Max tightness in preferred direction, API 598, FCI 70.2 cl V.
Max tightness in non-preferred direction, 100 x FCI 70.2 cl V (Air).
Y
Special construction.
6. sign
BEARING AND BODY DESIGN
A
Soft bearings, PTFE or eq. on metal net Tmax 250 °C, trim rating max #600.
B
Metallic or carbon bearings for high temperature.
(e.g. GGG-CrNi or stellite or high performance carbon bearings).
Tmax 500 °C.
H
Metallic or carbon bearings for high temperature.
(e.g. GGG-CrNi or stellite or high performance carbon bearings).
Temp: 500-850 °C.
HH
H + cooling ribbons.
(e.g. GGG-CrNi or stellite or high performance carbon bearings) cooling
ribbons. Temp: 850-1150 °C.
S
Construction B + Steam jacket.
Y
Special construction.
For NACE, add "N" to sign. 6 "B" -> "BN"
7.
sign
SIZE
Note:
Pressure rating = ASME -> inch sizes
Pressure rating = PN --> metric sizes
BW
Inch:
04, 06, 08, 10, 12, 14, 16, 18, 20, 24, 28, 30, 32, 36, 38, 40, 42 48, 52,
54, 56, 60, 64, bigger sizes on request
Metric:
100, 150, 200, 250, 300, 350, 400, 450, 500, 600, 700, 800, 900,
1000, 1200, 1400, 1500, 1600
NOTE:
- The factory will keep the right to change the material if the material is same e.g. from casting to forged
- With slash "/" the materials are double marked
8. sign
BODY
9. sign
DISC
10. sign
SHAFT, PINS AND KEY
P
ASTM A216 WCB/ 1.0619
N2
ASTM A487 CA6NM (similar to 1.4317)
N2
1.4021 (-10 °C to +400 °C)
F
ASTM A352 LCC
G5
1.4931
N1
1.4923
N
ASTM A217 WC6
N
ASTM A217 WC6
C
ASTM SA564 Gr. 630(17-4PH)
U
ASTM A351 CK3MCuN (SM0254)
U
ASTM A351 CK3MCuN (SM0254)
U
UNS31254 (SM0254)
U2
ASTM A890 4A (similar to 1.4517)
U2
ASTM A890 4A (similar to 1.4517)
U3
ASTM A890 GR. 5A (similar to 1.4469)
U3
ASTM A890 5A (similar to 1.4469)
G9
1.4923
K5
1.4462
G
G
1.4313 (similar to A487 CA6NM)
N
XM-19 (Nitronic 50 HS)
A
ASTM A351 CF8M / 1.4408
A
ASTM A351 CF8M eq.AISI 316/1.4408
C2
Gr. 660/1.4980 (pressure class 900 and above)
A2
ASTM A351 CF3M (AISI316L)
A4
ASTM A351 CF8C eq. AISI 347/1.4552
C3
1.4980 (-200 °C to + 815 °C)
C2
ASTM A638 Gr. 660 (similar to 1.4980)
A
F316
A2
ASTM A351 CF3M eq. AISI316L
H
ASTM A494 CW-6M (Hastelloy C)
H
ASTM A494 CW-6M (Hastelloy C)
H1
HAST C
T
Titanium
T
Titanium
T
Titanium
NOTE:
Check the recommend material combination from the Factory
NOTE:
The list of materials have been shortened due to space limitations. Please consult Metso to find the availability of other materials.
