OEMic BUTTERFLY
VALVE SERIES
|
2” – 120” Complete
Size
Butterfly Valve |
|
High Performance Dual Offset Type |
The OEMic
butterfly valves are
designed following most of popular international standards and approved by the certification
of such as DNV, TUV, API & ISO.
OEMic Butterfly valve series include
traditional centre line type, dual
offset metal / soft
sealing, triple offset metal seal types,
most of them
offer low torque for more
durable and
a less-expensive actuation package compared to ball, plug, and gate valves.
The butterfly
valve also can be actuated for throttling, providing more versatility, and it
is lighter in weight and easier to install than ball and plug valves.
Due to complete diameter size range, applications of OEMic butterfly valve include commercial and
general utility service including HVAC, hot and cold water system, compressed air and hydrocarbons,
vacuum service, oil / gas
process line
service, and modulating control services etc..
Benefit and Feature
Strong Body:
Available in Full Lug and
Wafer style,
Flange type also available for high pressure and
big diameter size.
- The wafer style is less
expensive than a lug style.
- Wafer designs do not transfer the
weight of the
piping system directly through the valve body.
- A lug body allows dead-end service
or removal of
downstream piping.
- Flange connection is providing more secure
connection contribution.
Seat Face: excellent sealing and seat part durability
Precision Taper Pins: Ensure positive,
vibration proof,
shaft to disc
connection.
Easily field
replaceable.
Stem: The stem of the butterfly valve is a
one-piece shaft or a two-piece (split-stem) design.
Precision Profile Disc:
Provides
bubble-tight shut-off and assures
minimum
torque and longer seat life.
-
Bi-directional flow.
-
Sizes 2” to 120” available.
- Variable materials components to meet any
service requirement.
-
Three types of style available in body:
Wafer style; Lug Style and Flange Style.
-
Simple and compact for construction and
maintenance.
-
Available in different operating way:
manual operators (level/gear), and electric
or
pneumatic actuators.
-
Compatible with ANSI B16.1 class 125 / 150
/ 300; JIS & BS
flange.
-
Ease of throttle. Valve can be locked in
several intermediate positions by a special
control system.
Standard Main
Parts Material List:
|
NO. |
PARTS |
SPECIFICATION |
|
1 |
BODY |
CAST IRON
ASTM A126 CLASS B; CARBON
STEEL WCB A216 A217; A351-CF8M etc. |
|
2 |
RING |
EPDA, BUNA |
|
3 |
DISC |
1. Cast or Ductile Iron; 2 Carbon Steel WCB
A216; 3. SUS, ASTM 316 etc. |
|
4 |
STEM |
Stainless Steel ASTM 316 |
|
5 |
SEAT |
EPDA, BUNA |
|
6 |
PIN |
Stainless Steel ASTM A433, A316, A410. |
|
7 |
BUSHING |
Bronze ASTM B438, PTFE |
|
Optional materials: Other
kinds of material are available upon request. |
||
|
Performance Data |
|||||||
|
Nominal
Pressure (MPa) |
0.25 |
0.60 |
1.0 |
1.6 |
2.5 |
4.0 |
|
|
Nominal
Diameter (mm) |
40 ~ 2000 Flange 3000 |
40 ~2000 Flange 2400 |
40 ~1200 Flange 2400 |
40 ~1200 Flange 1600 |
40 ~1000 Flange 1000 |
40 ~ 500 Flange
only |
|
|
Testing
pressure (MPa) |
Body
shell |
0.375 |
0.900 |
1.500 |
2.400 |
3.500 |
6.000 |
|
Sealing |
0.275 |
0.660 |
1.100 |
1.760 |
2.750 |
4.400 |
|
|
Medium
temperature |
Normal @ -45°C ~ 130°C; special
low
-196 °C, high 550 °C |
||||||
|
Suitable
medium |
Fresh water,
wastewater, seawater, vapor, gas, oils, acid and alkaline. |
||||||
|
Operation
methods |
Handle,
electric, pneumatic and liquid-driving |
||||||
High Performance Dual Offset BUTTERFLY VALVES
It is
widely used in throttling or adjusting media flow volume in industrial pipeline
in petroleum, power, chemical and metallurgy field.
|
Characteristics: 1.
1.
Product standard and specification: 2.
2.
High effectiveness of flow path, small resistance of
flowing. 3.
3.
Reliable tight sealing due to dual-eccentric spherical
surface sealing structure. 4.
4.
Installation can be any position because of two directions
sealing. |
|
Working
Principle:
By
revolving driven shaft or wheel and through worm gear to decelerate driving two
direction sealing butterfly valve makes valve axle and valve disc revolve in 90°,
to achieve throttling, connection or disconnection.
INSTALLATION
CAUTIONS
The valve is bi-directional and can be mounted in any position.
However, it is recommended
that the valve is horizontal to the stem and the inclined cone
edge of disc faces towards the
downstream. (Refer to directional arrows and stem side)
If you want to use at
temperatures below -48 deg C or above 426 deg C, or special fluid medium , the
extension design shall be applied. In such case please contact the sales
department
Dimensions of High Performance
Dual Offset Butterfly Valve
Working Pressure
35 psi
Flange drilling
ANSI 125/150
(Only
for Metal Hard Sealing Type)
(unit: inch)
|
DN |
L |
L1 |
D1 |
D2 |
D3 |
H1 |
H2 |
|
4” |
5 |
2.52 |
8.27 |
6.69 |
5.67 |
4.72 |
8.66 |
|
5” |
5.51 |
2.76 |
9.45 |
7.87 |
6.85 |
5.31 |
9.25 |
|
6” |
5.51 |
2.99 |
10.43 |
8.86 |
7.83 |
5.91 |
10.83 |
|
8” |
5.98 |
3.50 |
12.60 |
11.02 |
10.00 |
7.00 |
12.20 |
|
10” |
6.50 |
4.49 |
14.76 |
13.19 |
12.16 |
8.27 |
14.37 |
|
12” |
7.00 |
4.49 |
17.32 |
15.55 |
14.29 |
9.53 |
15.75 |
|
14” |
7.48 |
5 |
19.29 |
17.52 |
16.26 |
10.67 |
18.11 |
|
16” |
8.50 |
5.51 |
21.26 |
19.49 |
18.23 |
11.65 |
19.29 |
|
18” |
8.74 |
5.98 |
23.42 |
21.65 |
20.39 |
12.75 |
20.47 |
|
20” |
9.01 |
5.98 |
25.39 |
23.62 |
22.36 |
13.97 |
23.22 |
|
24” |
10.51 |
7.00 |
29.72 |
27.75 |