Transcript
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Actuators for heating,ventilation, air-conditioning
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New CCV Range
Control ball valves and rotary actuators for floating and modulating control
Open/close control refers to the detailed datasheet.
What's New in Larger CCV Valves
Technical data R6..A characterized control valves, 2-way
Flow media Cold and hot water, water with glycol up to 50% by volumeTemperature of medium +5C...100C (lower temperatures to order)
Rated pressure ps 2760 kPa(PN27)
Pipe connections Flange PN16 (ISO7005-2)
Closing pressure Dps 680 kPa
Angle of rotation 90(working range 15...90)
Mounting position Vertical to horizontal (referred to the spindle)
Specification subjected to technical changes.
Flow rate equivalent to DN100!
High close off pressure! Value for money!
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CChhaarraacctteerriizzeeddCCoonnttrroollVVaallvveeaanndd
BBeelliimmooEElleeccttrriiccaallAAccttuuaattoorrss
Characterized Control Valve Technology
Belimo Characterized Control Valves feature a special shapeddisc fitted inside the inlet port which modifies the flow (Kvs).
An equal percentage flow characteristic is provided and theresulting heating or cooling coil output is linear.
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Parts and properties of the CCV (control ball valve)
Simple direct mounting with a central bolt. The rotary actuatorcan be mounted in four different positions
Identical mounting flangefor all nominal sizes
Square stem end for positivecoupling to therotary
Stem sealed with two O-rings for long service
Ball and stem in stainless steel
Forged body,nickel-plated brass
Characterizing disk toproduce an equal-percentageflowcharacteristicrotary
Internal screw connection
PTFE seat
Wh make the seat seals of PTFE ?
This thermoplastic fluorocarbonate material is a Dupontproduct and is better known than Teflon
Excellent low friction Chemically resistant to most hydro carbonates and acids Resists very high temperatures up to more than 260C Is used for ball-valve and globe-valve gland seals
Why make the O-rings of EPDM ?
The valve industry has used it successfully for more than 30 years It can be used for stem gland seals in
cooling-water systemshot-water systems
EPDM has good chemical resistance (except to mineral oil) and can resist bothhigh and low temperatures
Its limits of application are -50C to 130C
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Why make the characterizing disk of Tefzel ?
PTFE is a thermoplastic fluorocarbonate made by Dupont
It is suitable for heavy mechanical loads has a wide thermal range of application
can tolerate high and low ambient temperatures is chemically resistant
Typical applications are bearings, valve lining, piping and water pumps it can tolerate continuous temperatures of up to 150C it does not absorb water and does not swell. Its water absorption coefficient is 0.007% it has a low coefficient of friction
Belimo has taught the ball valve how to be a control device
Flow
100%
Heat exchangercharacteristic
Equal-percentage flowcharacteristic Belimocontrol ball valve
Amount of opening
Characterizing Disc
Open Close
80% open 50% open 20% open
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Benefits of the BELIMO characterizing disk
It produces an equal-percentage flow characteristic It ensures excellent stability of control High Close Off pressure, using with Belimo Rotary actuators The kVS values are comparable with those of globe valves of the same nominal sizes
Fewer pipe reducers are needed The better controllability eliminates control loop hunting and increases service life expectancy
Several kVSvalues for the same nominal size
DN15-50
R309 R318 R322
R209 R210 R211 R212 R213 R217 R214 R218 R222 R219 R223 R229 R224 R231 R238 R239 R248
0.63kvs(m3/h)
DN (mm) 15 20 25 32 40 50
1 1
Better controllability Lower installation costs The Belimo range of control ball valves includes both 2-way and 3-way types They are available with kVSvalues comparable with those of globe valves
R249
R310 R311 R312 R313
R317
R323 R329
R331 R338 R348
1 1.6 2.5 4 4 6.3 6.3 6.3 8.6 10 10 16 16 16 25 25 40
15 15 15 15 20 20 25 25 32 4015 50
Ball 1 1 1
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Several kVSvalues for the same nominal size
DN65-80
kvs(m /h)
DN (mm)
Ball
65
2 1/2
New Flanged 2 way CCV Highest Performance Flow rate equivalent to DN100-controlled, DN125-open/close They are available with kVS values comparable with those of
globe valves
Flow characteristics of characterized control valves
2-way and 3-way characterized controlvalves work as tight-sealing shut-offdevices between 0 and 15 rotation.
Between 15 and 90 rotation they workas control devices.
Angle of rotation
R662A
78
65
2 1/2
R663A
112
80
3
R678A
112
80
3
R679A
155
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Several kVSvalues for the same nominal size
With the 3-way characterizedcontrol valve the flow through thebypass (B-AB) is designed for 70%of the nominal flow (A-AB).
A lication notes for 3-wa characterized control valves
Because it uses a ball the 3-waycharacterized control valve is onlyof limited use for conventionalsupply-temperature controlsystems. Therefore, it is advisablefor supply-temperature control
systems to be executed in theform of double mixing circuits.There are no such restrictions onmixing circuits for air preheatersand injection circuits.
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The workin ran e of characterized control valves
1. Example: IdealXp controller adapted for3...10 V,Characterized control valveworking range 3...10 V
2. Example: Small error Xpcontroller adapted for 2...10 V,Characterized control valveworking range 3...10 V
3. Example: Large errorXp controller adapted for0...10 V,Characterized control valveworking range 3...10 V
Correction w (f) Xpneeded !
characterized control valves: Prescribed directions of flow
Characterized control valve
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Adjust the working range of the Valve on the NR Actuator
Application - cold and hot water, up to 50% glycol Flow characteristic - equal-percentage (not for Open / Close) Motion - 90 rotation (CCW to open, CW to close) Nominal sizes - 1/2 to 3 (DN15...80, flow equivalent to DN100) kVSfrom 0.63 to 155 (228 Open/Close) Connections - internal screw (ISO7/1)
- flange PN16 (ISO7005-2)
Key features of the BELIMO characterized control valves
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The Belimo Characterized Control Valve
delivers more! Find out below why the Belimo
Control Ball Valve
is one of the most excite new developments inHVAC!
What is a characterizing disc and why do I need one?Belimos characterizing disc (patent pending) provides a simplesolution to a long-standing problem with HVAC ball valves. Alwaysattractive from a cost standpoint, ball valves were used whereaccurate control was not important. A traditional full port ball valvehas a poor flow characteristic in that it has a large flow coefficient(Kvs) in relation to its size. This means that the valve will supplythe required flow when it is only slightly open. Thereby utilizing just
a small portion of its operating range. Stable control is difficult toachieve because a slight change in valve position results in adisproportionately large change in the heating or cooling output ofthe controlled device. Energy consumption is increased, peopleare less comfortable, and life span of valves and actuators isshortened because they never come to rest. Belimo characterizedControl Valves have changed all that. They feature a special discfitted inside the inlet port. A key in the disc prevents rotation. One side of the disc isconcave and matches the surface of the ball. Flow is controlled by the opening in theball and by a V-shaped opening in the disc. This reduces the flow coefficient (Kvs). Thevalve increases flow slowly, especially when it begins to open. Therefore, equalpercentage flow characteristic is provided and the resulting heat output is linear.
Why are there multiple Kvs choices for one valvesize?Characterizing discs with different shaped openings are availableso that a number of Kvs values can be offered for each valve size.This allows you to size more valves equal to pipe size, so youspend less time and money on pipe reductions, and can easilyachieve accurate control.
Then determine which pipe diameter could be used. When pipediameter is equal to valve diameter there is no reduction in pipesize and better overall cost for an installed valve.
Support
Information
of CCV
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Why do I need a ball valve with Kvss typical of globe valve Kvss?Piping systems are still designed with globe valve flow requirements in mind. The Kvsratings of the Belimo Characterized Control Valves were based on typical globe valveKvs ratings. Therefore, you can size a project as you would if using globe valves, butcan easily select our valve. This is your assurance that the Belimo CharacterizedControl Valve will give you the performance of a typical globe valve, and more, at a more
favorable price!
Why do I need accurate valve control?Better valve control prevents hunting of the control loop in which the system isconstantly adjusting itself to maintain set point. When the operating conditions of theactuator are improved and the full operating range is used, systemlife span is increased, energy consumption is reduced, andcustomers and their tenets are satisfied.
Why two O-rings?
Two heavy duty O-rings in the stem eliminate leaks and ensurelong maintenance-free service life. Double O-ring eliminate theneed for a packing nut which in HVAC applications may requirefrequent tightening.
The inner O-ring seals against the water pressure. It is lubricatedand protected by the outer O-ring, which prevents debris fromentering the stem seal. Non-water-soluble grease between the tworings prevents sticking.
Why a flanged-type bonnet?Extremely accurate control capability comes from the mechanical advantage of direct
coupling combined with the flow efficiency of the characterizing disc. The actuatorconnects square and true to a special bonnet flange. This eliminates any lateral stemmovement that would wear stem components and cause leaks. Four differentactuator/pipe orientations can be achieved.
What is TEFZELTM
?TEFZEL
TM, is a tough, enhanced Teflon
material used in industrial
applications such as bearings, valve linings, tubing and waterpumps. TEFZEL
TM offers broad thermal capability, corrosion
resistance, and low coefficient of friction and water absorption. Thecharacterizing disc is made of this unique material, which allows theball to move freely against the disc and maintains fluid motion.
What about cavitations?Because of improved operating characteristics, the Belimo Characterized Control Valveis far less prone to cavitations than the standard ball valve. Cavitations occur whenvapor bubbles form and implode in a liquid due to an increase then decrease in pressureas liquid flows through a restriction. The imploding vapor bubbles erode the surroundingmaterial and cause an intense noise. Like globe valves, no cavitations should occur ifthe valve is sized properly.
Support
Information
of CCV
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What is that small hole near the top of the flanged bonnet?This vent hole prevents any condensation built-up in cooling applications from enteringthe linkage and actuator-one of the many small steps weve taken to ensure completereliability.
The Belimo Characterized Control Valve is an improvement overtraditional ball valves, but is it better than globe valves?Yes! The Rangeability factor defines a valves capability to control small flows. Thehigher the number, the better. On typical small globe valves (15mm) the rangeability is5:1, and on a large valve (50mm) it is 75:1. The Belimo control valve has a rangeabilityof 500:1 for greatly improved control, especially at low loads.
OK, Im convinced the engineering is good, but does it work?Absolutely. The Belimo Characterized Control Valve design has been extensively testedwith respect to pressure, temperature, leakage and life cycle.
Does this control valve have the same actuator Im used to fromBelimo?You bet, Enjoy the same benefits youve always had with Belimo!
Fast and easy mounting (a single screw attaches actuator to valve)
Three-foot cable for fast installation
Manual override
Overload proof
True fail-safe with mechanical spring return
On/off, floating point, and 2-10 VDC (or 4 to 20mA) proportional control withfeedback
Brushless DC motor for accuracy, repeatability and long service life.
What about product support?
Expect the same top quality customer service Belimo has always delivered.
Expedited shipment at no extra handling cost
Two-year unconditional warranty
Support
Information
of CCV
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Test Report
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BELIMO CHARACTERIZED CONTROL VALVE
ENGINEERING DATA SHEET R215/ R215B
Maximum kvs:8.5 (Tested according to ISA S75.02-1996, 20C Water)Range ability:136 (Tested according to ISA S75.11-1985)
Valve Flow Characteristics(Tested according to ISA S75.02-1996, 20C Water):
R215 / R215B Valve Performance
0.00
1.00
2.00
3.00
4.00
5.00
6.00
7.00
8.00
9.00
2 3 4 5 6 7 8 9 10
Voltage (V)
Kvs
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BELIMO CHARACTERIZED CONTROL VALVE
ENGINEERING DATA SHEET R209/R209B
Maximum kvs:0.69 (Tested according to ISA S75.02-1996, 20C Water)Range ability:30 (Tested according to ISA S75.11-1985)Valve Flow Characteristics(Tested according to ISA S75.02-1996, 20C Water):
R209 / R209B Valve Performance
0.00
0.10
0.20
0.30
0.40
0.50
0.60
0.70
0.80
2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0
Voltage (V)
Kvs
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BELIMO CHARACTERIZED CONTROL VALVE
ENGINEERING DATA SHEET R219/ R219B
Maximum kvs:8.5 (Tested according to ISA S75.02-1996, 20C Water)Range ability:295 (Tested according to ISA S75.11-1985)Valve Flow Characteristics(Tested according to ISA S75.02-1996, 20C Water):
R219 R219B Valve Performance
0
1
2
3
4
5
6
7
8
9
10
2 3 4 5 6 7 8 9 10
Voltage (V)
Kvs
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BELIMO CHARACTERIZED CONTROL VALVE
ENGINEERING DATA SHEET R224/ R224B
Maximum kvs:16.5 (Tested according to ISA S75.02-1996, 20C Water)
Range ability:550 (Tested according to ISA S75.11-1985)Valve Flow Characteristics(Tested according to ISA S75.02-1996, 20C Water):
R224 / R224B Valve Performance
0
2
4
6
8
10
12
14
16
18
2 3 4 5 6 7 8 9 10
Voltage (V)
Kvs
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BELIMO CHARACTERIZED CONTROL VALVE
ENGINEERING DATA SHEET R318/ R318B, R322/ R322B
Maximum A-Port kvs:6.3 (Tested according to ISA S75.02-1996, 20C Water)Range ability:365 (Tested according to ISA S75.11-1985)Maximum B-Port kvs: 6.6 (Tested according to ISA S75.02-1996, 20C Water)Valve Flow Characteristics(Tested according to ISA S75.02-1996, 20C Water):
R318 / R322 Valve Performance
0.00
1.00
2.00
3.00
4.00
5.00
6.00
7.00
2 3 4 5 6 7 8 9 10
Voltage (V)
Kvs
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Test Number: TRD-02058
City:State:
LexingtonKy
Quantity Tested:Date Started:Date Completed:
4, CCV, 3 GV8/22/028/28/02
Test Objective: To determine the effects of calcium carbonate scale buildup on the durability of BelimoCCV and Competitor Globe Valves.
Conclusion: After 100,000 cycles, the Belimo CCV appears to be unaffected by the presence ofscale. The competitor valves can no longer close off.
Action: None at this time. Test was originally scheduled to run past 100,000 cycles, but that iscancelled at this time due to the nature of the globe valve failure.
Summary ofResults:
Belimo break away torques collected before and after testing for Belimo CCV (globe
valves not tested for torque since Belimo does not have a linear torque tester):
Maximum allowable torque is 35 inch pounds. The presence of scale did not increase
torques enough to cause failure.
After 101,611 cycles, 2 CCV and 1 globe valve were removed from a bath containingwater with an LSI >0.05 at an ambient temperature of 150
OF. Belimo valves 1 and 2
achieved a 100 psi close off against running water. No leakage was seen through thestem area. The globe valve 1 achieved a 30 psi close off against running water. Noleakage was seen through the stem area.
After 105,048 cycles, 2 CCV and 2 globe valves were removed from a life test fixturecontaining room temperature water with an LSI greater than 0.05. The fixture is designedto allow 30 psi of head pressure on the valves to simulate running water. This is thesame test setup as the previous life test done with water having an LSI of 0. BelimoCCVs 3 and 4 both achieved a close off of 100 psi against running water. No leakage
was seen through the stem. Globe valves 3 and 4 would not close off, even against 10psi. (See figure 1) The valves were assembled to competitor actuators set for fail closed.No leakage was seen at the stem area.
Date Cycles Torque #1 Torque #2 Torque #3 Torque #4
22-AugNew 0cycles
18 21 20 17
22-AugDirty ball 0
cycles22 29 31 29
28-AugDirty ball105,000cycles
11 9 10 14
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Figure 1.Leakage during close off pressure test. Photo taken with a P of 15 psi.
Valves were then disassembled for piece-by-piece inspection.
All Belimo CCVs were in good physical condition. The outside of the ball showed nobuildup of scale, but scratches were seen showing the original presence of scale. (Seefigures 2-4)
Figure 2.CCV Ball with scale before life test
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Figures 3 and 4.CCV Balls after life test. Note scratches on ball. Presence of scratches did notaffect close off or operation of the valve
The valve stem was then removed and inspected for wear. Both stem O-rings were ingood condition and grease was still present. (See figure 5)
Figure 5.CCV Stem after life test. Note that O-rings still have shape and the presence ofgrease on the assembly.
All other components of the valve, including the Teflon seats and the O-rings behindthem, were in good condition as well.
The globe valves were then disassembled to determine the cause of the close off failure.The globe valve stems were removed and a patch of heavy scratching and a patch ofwear were found. The wear and the scratching were found exactly opposite of each otheron the valve. (See figures 6 and 7.)
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Figures 6 and 7.Wear patterns on competitor Globe Valves
Due to the presence of the wear patch, asymmetric loading of the valve stem wasassumed to be the cause of valve failure. The competitor pneumatic actuator was
inspected to see if it was possible for the installation of the actuator to create the sideloading. It was found that the actuator was self-centering and could not have caused anyside loads. (See figure 8)
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Figure 8.Bottom view of pneumatic actuator. The brass nut fastens to the valve stem. Thespring base is then self-centering underneath the diaphragm.
The inside of the valve was then inspected and excessive wear was seen on the valve
seats and packing on the upstream side of the valve only. It is assumed that the scaleand debris of the valve collected on the upstream side of the valve stem, and that over aperiod of time, was able to amass enough to cause a side loading. This same life testwas conducted using the same actuators without the presence of scale. In that test, allvalves functioned properly after 100,000 cycles.
Test Methods:
2 Belimo CCVs and 2 GVs will be piped into standard life test configuration and thewater will be placed under pressure. Water to have an LSI value greater than 0.05 andbe at room temperature.
2 Belimo CCVs and 1 GV are to be placed in a bath of water with an LSI greater than0.05. This bath to be heated to 140F. Failure of pneumatic actuator during this test shall
NOT be considered failure of the unit. This test shall run for 100,000 cycles only.
All valves to be cycled using pneumatic actuation with a period of 2 seconds, ON; 2seconds OFF.
All valves to be disassembled for inspection after 100,000 cycles.
Other Information:
Attachments:
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Innovation, Quality and Consultancy:A partnership for motorizing HVAC actuators
Standard actuators and
spring-return actuators
for air control dampers
in HVAC systems
Safety actuators for
motorizing fire and
smoke extraction
dampers
VAV systems for indi-
vidual room air control
Mixing actuators and
motorized ball valves for
HVAC water circuits
Globe valves and intelli-
gent linear actuators
Air applications Water applications
Or contact your nearest Sales Representative
AU BELIMO Actuators Pty. Ltd.Unit 10, 266 Osborne Ave.Clayton South VIC 3169, AustraliaTel. + 61 3 9551 0201Fax: + 61 3 9551 0215E-Mail: belimo@belimoactuators.com
HK BELIMO Actuators Ltd.Room 208 2F New Commerce Centre19 On Sum StreetShatin N.T., Hong KongTel. + 852 2687 1716Fax: + 852 2687 1795E-Mail: hongkong@belimo.ch
SH BELIMO Actuators Ltd.Room 1305 Financial SquareNo. 333 Jiujiang RoadShanghai, China 200001Tel. + 86 21 6360 8980Fax: + 86 21 6360 8981
E-Mail: shanghai@belimo.ch
BJ BELIMO Beij ingRoom 605 Beijing Hai Chang Edifice44 Liang Ma Qiao RoadChao Yang DistrictBeijing, China 100016Tel. + 86 10 6462 1382Fax: + 86 10 6462 1383E-Mail: beijing@belimo.ch
Control LaboratorySuite 611 Lions Plaza Ikebukuro 27-5,4-Chome Higashi IkebukuroToshima-ku Tokyo 170-0013, JapanTel. + 81 3 3981 1309Fax: + 81 3 3980 1048E-mail: controllabo@sirius.ocn.ne.jp
JP
BELIMO Automation AGShanghai Support Office
Room 1305 Financial SquareNo. 333 Jiujiang RoadShanghai, China 200001Tel. + 86 21 6360 8980
Fax: + 86 21 6360 8981E-Mail: sales.ap@belimo.ch
Website: www.belimo.ch
CN USBELIMO Holding AGBrunnenbachstrasse 18340
Hinwil, SwitzerlandTel. + 41 (0)43 843 61 11Fax: + 41 (0)43 843 62 68E-Mail: info@belimo.ch
Website: www.belimo.ch
CH
Hanmo Corporation3F Yeosam Building648-23 Yeoksam-Dong Gangnam-GuSeoul, KoreaTel. + 822 3453 8225Fax: + 822 3453 8228E-mail: sbyun@hanmo.co.kr
KRBELIMO Actuators Pte Ltd.Support Office2 Jurong East Street 21#04-31F IMM Building,Singapore 609601Tel. + 65 6564 9828Fax + 65 6564 9038E-Mail: singapore@belimo.ch
SG
Air Controls Engineering Pte Ltd.605B Macpherson Road #07-08Citimac Industrial Complex,Singapore 368241Tel. + 65 6285 3809Fax + 65 6285 4697E-mail: actrol@starhub.net.sg
Chianseng Enterprise Co., Ltd.2F No. 21 Tung Fong StreetTaipei, TaiwanTel. + 886 2 2708 7780Fax: + 886 2 2702 9090E-mail: jasont@ms3.hinet.net
TW
ENYE LTD. CORP.Room 507, 5F Anita Bldg1300 Quezon Ave. cor. Timog Ave.Quezon City 1103, Philippines
Tel. + 632 373 5440Fax: + 632 373 5424E-mail: enye.ltd@pacific.net.ph
Rite Products, Inc.Room 205 Jocfer BuildingCommonwealth Ave.Quezon City 1121, PhilippinesTel. + 632 932 7944Fax: + 632 932 7935E-mail: marcdelrosario@riteproducts.com.ph
PH
Eurotec Instruments Ltd.PO Box 14 543Panmure 750 Great South RoadPenrose Auckland, New ZealandTel. + 64 9 579 1990Fax: + 64 9 525 3334E-mail: sales@eurotec.co.nz
NZ
IN Vitek Air ControlsC-114 First Floor LancelotS.V. Road Borivali-WestMumbai - 400 092, IndiaTel. + 91 22 5695 9439Fax: + 91 22 2806 2163 / 2806 3975E-mail: bvac@vsnl.com
TH Thai Air Conditioning ManufacturingCo., Ltd12/555 Moo 15 Kulab Tower 8FRoom A-2 Bangna-Trad RoadBangkaew BangpleeSamutprakarn 10540, ThailandTel. + 662 3161401 - 6Fax: + 662 3161407E-mail: info@tam.co.th
ID Piping System Indonesia pt.Jl. Jembatan Dua Raya No.16-06Jakarta 14450, IndonesiaTel. + 62 21 661 8888Fax: + 62 21 669 7061E-mail: calvin@pipingsystem.com
MY Source Code Asia SDN BHD12-2 Floor Jalan PJU 6A/3AKayu Ara Business Park47400 Petaling Jaya SelangorMalaysiaTel. + 603 5635 7878Fax: + 603 5635 8878E-mail: sales@sca.com.my
PK Overseas Enterprises37-38 Liaquat Market M.A.Jinnah Road P.O. Box No. 6647Karachi-74000, PakistanTel. + 92 21 2410571 / 2412243Fax: + 92 21 2420329E-mail: ksaigal@cyber.net.pk
BELIMO Aircontrols (USA), Inc.43 Old Ridgebury Road Danbury,
CT 06810Tel. + 800 543-9038 / 203 791-9915Fax: + 800 228-8283 / 203 791-9919
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