DUTCH VALVE COMPANY SINCE

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1 DUTCH VALVE COMPANY SINCE

2 Contents Company Introduction Manufacturing Capacity Product Range Certificates & Approval Bonded Vs Replaceable Liner Area of Applications Our Strength Project Reference Lists 2

3 Company Introduction Duvalco Valves was founded 1956 with the goal of building high quality butterfly valves for the marine and ship building industries. One of the first company to produce butterfly valve in Europe Produce butterfly for the shipbuilding and marine industry The company was later renamed as Duvalco (Dutch Valve Company) In the period since then, Duvalco has expanded its product line to serve civil engineering, water treatment, industrial and construction industries and served markets globally. In 2006, Duvalco expanded its manufacturing capacity and established it corporate headquarters to Asia to focus on its growing customer base and market in Asia. Also, Singapore and China s is a centralized and convenient point. 3

4 Duvalco in Asia Duvalco expanded it operation to Asia with offices in Singapore and China as well as manufacturing facilities in China (Tianjin & Wuxi) to be close to our growing markets, yet serve global requirements. Technology, Design, Machineries, Moulding, etc are all transferred from Holland factory to China. Dutch Chief Engineer in place to supervise and ensure quality. 4

5 Our locations United Kingdom Netherlands Netherlands Tianjin, China Wuxi, China Singapore Offices Factories 5

6 Partnership with VIP There are only several valve manufacturers in the world that offer their own inhouse rubber manufacturing. Among them, we have some of the most unique and cost-effective solutions. Our partnership with VIP Polymers allows us to create and offer specialized and high-quality polymer materials for sealing our valves in almost any condition. We would like emphasize and leverage this relationship. 6

7 Our manufacturing capacity Engineering Packing Machining Testing/Inspecti on Assembly Vulcanisation Painting 7

8 Product Range Concentric Double Flange BA Series Wafer Type MSJ Series Lug Type LT Series Mono Flange Series Eccentric Double Flange ESJ Series NSJ Series Specials 8

9 Product Range Gate Valves Resilient Seated (SFGV) Gate Valves Metal Seated Free Acting Swing Check Valves (FACV) Wafer Spring Check Valves (WCV) Single / Double Orifice Air Valves Dismantling Joints 9

10 Marine & Shipbuilding Eccentric Butterfly (NSJ) Butterfly valves (BA,MSJ,LT, MONO) Wafer spring Check valves Max 25 bar 10

11 Water (W) Gate valve Check valve Bonded Butterfly Air Valve Max 16 bar Standard size Customize DN

12 WasteWater (WW) Gate valve Check valve Bonded Butterfly Air Valve Max 16 bar Standard size Customize 12

BA Series Double Flange Bonded Liner, Double Flange BA/S59 BAL/S68 Double flanged type butterfly valve with centric disc and bonded liner. 100% bi directional bubble tight shut off.

type BAL/S68 or centric type BAL, with face to face dimensions according to EN558 table1, series 14 Top flange and shaft end in accordance to ISO 5211 Working pressure from 0.

13 BA Series Double Flange Bonded Liner, Double Flange BA/S59 BAL/S68 Double flanged type butterfly valve with centric disc and bonded liner. 100% bi directional bubble tight shut off. General product specifications Overall design generally in accordance to BS EN 593 Face to face dimension in accordance to EN558 table 1, series 13 (except DN2000) On request available as eccentric type BAL/S68 or centric type BAL, with face to face dimensions according to EN558 table1, series 14 Top flange and shaft end in accordance to ISO 5211 Working pressure from 0.1 bar absolute up to 16 bar (test pressure 17.6 bar) Working pressure up to 25 bar (test pressure 27.5 bar) on request Suitable as end of line service valve DN50 DN2200 Mounting between flanges to DIN PN10, DIN PN16 or ASME class 150 Other executions on request 13

MSJ Series Wafer Bonded Liner, Semi Lug Wafer type butterfly valve, semi lug, with centric disc and bonded liner. 100% bi directional bubble tight shut off.

DN700 and up) Top flange and shaft end in accordance to ISO 5211 Working pressure from 0.1 bar absolute up to 16 bar (test pressure 17.

14 MSJ Series Wafer Bonded Liner, Semi Lug Wafer type butterfly valve, semi lug, with centric disc and bonded liner. 100% bi directional bubble tight shut off. General product specifications Overall design generally in accordance to BS EN 593 Face to face dimension in accordance to EN558 table 1, series 20 (series 16 from DN700 and up) Top flange and shaft end in accordance to ISO 5211 Working pressure from 0.1 bar absolute up to 16 bar (test pressure 17.6 bar) Working pressure up to 25 bar (test pressure 27.5 bar) on request Suitable as end of line service valve DN50 DN1200 Mounting between flanges to DIN PN10, DIN PN16 or ASME class 150 Other executions on request 14

LT Series Lug Bonded liner, Full Lug LT/S55 Full wafer lug type butterfly valve with centric disc and bonded dl liner. 100% bi directional bubble tight shut off.

DN700 and up) Top flange and shaft hf end in accordance to ISO 5211 Working pressure from 0.1 bar absolute up to 16 bar (test pressure 17.

15 LT Series Lug Bonded liner, Full Lug LT/S55 Full wafer lug type butterfly valve with centric disc and bonded dl liner. 100% bi directional bubble tight shut off. General product specifications i Overall design generally in accordance to BS EN 593 Face to face dimension in accordance to EN558 table 1, series 20 (series 16 from DN700 and up) Top flange and shaft hf end in accordance to ISO 5211 Working pressure from 0.1 bar absolute up to 16 bar (test pressure 17.6 bar) Working pressure up to 25 bar (test pressure 27.5 bar) on request Suitable as end of line service valve DN50 DN1200 Mounting between flanges to DIN PN10, DIN PN16 or ASME class 150 Other executions on request 15

16 Mono Series Mono Flange Bonded liner, Mono Flange MONO/S51 MONO/S61 Mono flange type butterfly valve with centric disc and bonded d liner. 100% bi directional bubble tight shut off. General product specifications Overall design generally in accordance to BS EN 593 Face to face dimension in accordance to EN558 table 1, series 20 (series 16 from DN700 and up) On request available with face to face dimensions in acc. to EN558 table 1, series 16 as eccentric type MONO/S61 Top flange and shaft end in accordance to ISO 5211 Working pressure from 0.1 bar absolute up to 16 bar (test pressure 17.6 bar) Working pressure up to 25 bar (test pressure 27.5 bar) on request Suitable as end of line service valve DN50 DN1000 Mounting between flanges to DIN PN10, DIN PN16 or ASME class 150 Other executions on request 16

17 Double Eccentric Butterfly Double Eccentric ESJ DN ISO 5752, 5211 Bar 10, 16

NSJ Series Replaceable Seat ring Replaceable seatring,

Seat ring exchange is extremely simple and does not

Bi-directional(100% tight shut off up to 10 bar).

body. Applicable for all kinds of industries but

General product specifications Overall design

dimension in accordance to manufacturer standard

18 NSJ Series Replaceable Seat ring Replaceable seatring, Semi Lug, Full Lug, Double Flange NSJ series The NSJ has an eccentric design. The dex series have a double eccentric design. Seat ring exchange is extremely simple and does not require removal of the actuator. 100% tight shutt off. Bi-directional(100% tight shut off up to 10 bar). The preferred direction of flow is indicated on the body. Applicable for all kinds of industries but specially designed as cargo or ballast valve. General product specifications Overall design generally in accordance to BS EN-593 Face to face dimension in accordance to manufacturer standard Actuator flange and shaft end in accordance to ISO-5211 Working pressure from 0.1 bar absolute up to 25 bar (body test 32 bar) DN100 - DN900 Flange connection to JIS 5K, 10K, 16K, DIN PN10, PN16, PN25 or ASME class 150 Other executions on request 18

19 Gate Valve Gate Valve (Metal/resilient seated) DN 50 to 1200 BS EN 5163, BS EN 1171 EN , 1, 2 EPDM/NBR Bi directional flow Only W&WW >350 mm Bypass is applicable 19

20 Free Acting Swing Check Valve Free Acting Swing Check Valve DN BS EN 5153, BS EN EN ,3 13 Bronze ring Disc & Seat No flapping No slam 20

21 Free Acting Swing Check Valve Free Acting Ati Swing Check Valve 21

22 Wafer Spring Check Valve Wafer Spring Check Valve DN EPDM/NBR Discs SS & Bronze 22

23 Product Offeringa Air Valve single/double orifice DN 40 to DN 300 Inside ball plastic /SS Ball normally closed Optionally with Gate valve 23

harness rods Adjustment for length between

24 Dismantling Joint DN40 to DN2200 Connections to valves and other flanged equipment rigid connection to flanged pipe work Transfer full working loads through harness rods Adjustment for length between flanges Dismantle and re install valve for maintenance, etc.

25 Material Standard materials: Body : Disc coated Cast Iron Ductile Cast Iron Cast carbon steel Aluminum Bronze Stainless steel Duplex Aluminum Ductile cast iron/rilsan coated Ductile cast.iron/ebonite Aluminum Bronze Stainless Steel Monel Duplex Stem Stainless steel Stainless Steel 316 Aluminum Bronze Monel Duplex Liner NBR EPDM Polychloropene Hypalon Silicone FKM/Viton Other materials on request 25

26 Types Of Actuation 1. Hand lever 2. Foot lever 3. Worm gear operator 4. Pneumatic or hydraulic Actuator 1. Single acting 2. Double acting 3. Accessories 4. Supply pressure 5. Electric Actuator 1. Accessories 2. Single phase or 3 phase 3. DC or AC voltage 26

27 Certificates & Approvals Our Facilities are ISO certified, Class certified Class approvals voor Lloyds,ABS, DNV, BV, GL, US Coast guard, Norsok WRAS 27

28 Advantages of Vulcanized Rubber Natural rubber Natural rubber is soft and sticky Vulcanized rubber Vulcanized rubber is hard and non-sticky. It has low tensile strength. It has high tensile strength. It has low elasticity. It has high elasticity. It can be used over a narrow It can be used over a wide range range of temperature. of temperature. It has low wear and tear resistance. It is soluble in solvents like ether, carbon, tetrachloride, petrol, etc. It has high wear and tear resistance. It is insoluble in all the common solvents. 28

29 Duvalco Bonded Liner The bonded liner creates a 100% tight-off on the process connections due to extended rubber lining beyond the flanges facing, no flange gasket required. The bonded liner concept will create a corrosion proof design, complete elimination between body and liner. Bonded liner fully covers the valve body internally. All our valves are suitable for vacuum (negative pressure) services and high fluid velocity applications. (Ensure that liner will not be sucked into the pipeline). Duvalco Bonded liner concept ensures that the liner cannot move around which give you the following advantages; No tearing and distortion of the liner Very low wear of the seat Reliable low torque figures Exceptionally long seat life up to 3 x longer than replaceable liner valves Permanent dry lubrication free design due to stainless steel stem and bronze bearings Uniform sealing, bi-directional flow 29

30 Why Bonded Liner? Replaceable liner When sandwiched between flanges the liner is compressed across its width and can bulge out towards the disc. Load from disc results in further distortion of liner creating higher closing loads and increased wear and abrasion. Duvalco bonded liner Liner is bonded to metal across whole width of valve body, resulting in a smooth profile, lower closing torques and reduced wear. Lower torques mean smaller gearboxes and actuators. 30

31 Loose vs Vulcanised Liner 31

32 Before & after mounting Replaceable vs bonded liner Replaceable Liner Vulcanised & Bonded Liner 32

33 Our Technique 33

34 Non Bonded Liner example 34

35 Some Samples 35

36 Area of Applications Offshore Shipbuilding Petrochemical Navy Civil Engineering Water Other Industries 36

37 Water Treatment Plant

38 Desalination Plants RO, MSF and MED systems

39 Main Water Transmission Pipe line DN2200 Butterfly Valves BA Series with dismantling joint installed in PUB NeWater Pipeline System

40 Thank you

41 Others Industrial Industrial Mineral Discharge Shipbuilding and Dry dock Pulp and Paper Factory

42 Building & Construction Fire Hydrant for Firefighting HVAC and Fire Protection Systems

43 Power Generation Isolating valves for Cooling systems

44 Offshores FPSO References FPSO Frade FPSO Espirito Santo Thunder Hawk FPSO Mystras FPSO Okha FPSO Aseng FPSO Pioneer FPSO Cristal Ocean FPSO Schiehallion 44

45 Some Oil & Gas References 45

46 Case Study 25 years and going! These 3 pieces of valves that was recently pull out have been in service for 25 years Functional and Hydrostatic test on seat and body all PASS Assurance of Duvalco quality and reliability 46

47 Our Strength Dedicated local support More than 55 years of know how Proven Valves Design Cost competitive Choice of fully Netherlands manufactured or China Equipment, technology and personnel are move to China Reliable partner in rubber, where extensive R&D are carry out to find the best suit material for our applications Majority of the whole manufacturing processes are in house under tight quality control of Duvalco 47

48 Project Reference List..\..\Duvalco \Duvalco Project list\project Reference List pdf..\..\Duvalco \Duvalco Project list\reference List 2012.pdf..\..\Duvalco \D Project list\update Project reference list 2013.pdf 48

49 Thank you for your attention! 49

Wafer, Semi Lug, Lug and Flanged Type

Year : Wafer, Semi Lug, Lug and Flanged Type Page 1 Year : Specification Description : GVC concentric rubber lined butterfly valves suitable for bi-directional flow and bubble tight shut-off at full rated