butterfly valves
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Let’s move the medium! butterfly valves

introducing belven As a Belgian producer of buttery valves, Belven has a reputation to keep up with. This is a challenge the company takes with full condence, having a remarkable reputation of nearly 3 decades in valve production. The company started from the local heating and ventilation market with low pressure valves in small diameters and grew gradually into water treatment plants and district cooling plants which demanded more complicated electrical operated large diameter double anged valves, high pressure valves etc. Geert Van Mechelen - Managing Director Belven Recently, the...

standard codes APPLICABLE STANDARDS (NON LIMITATIVE) ANSI - American National Standards Institute ANSI ANSI ANSI Pipe anges & ange ttings Face-to-face and end-to-end dimensions of valves Large diameter anges, NPS 26 through NPS 60 API - American Petroleum Institute API API API Valve Inspection and Test Buttery Valves : Double Flanged, Lug- and Wafer-type Specication for pipeline valves Part 2 : Specication for pressure testing requirements for general purpose valves Specication for Buttery Valves Part 1 : Specication for production pressure testing requirements DIN - Deutsches Institut für...

overview products WAFER – LUG RUBBERLINED BV10

CIS BALTIC BENELUX EUROPE NORTH AMERICA CHINA MIDDLE EAST NORTH AFRICA SOUTH EAST ASIA CENTRAL AMERICA CENTRAL AFRICA SOUTH AMERICA OCEANIA SOUTH AFRICA NORTH AFRICA 4% MIDDLE EAST 22% SOUTH AFRICA 2% SOUTH EAST ASIA 4% FAR EAST 3% butterfly valves

butterfly valves butterfly valves ■ GOVERNMENT, AUTHORITY & AGENCIES 9% butterfly valves

luaFer-Lug rubberLined

ANSI EPDM Gearbox with chain teel 304 – 316 – po ss s lish inle ed Sta s steel 304 – 316 es inl ta Cast Iron tile iron DN 700 - 1200 / NPS 28 - 48 DESIGNED ACCORDING TO U-section Lug body with internally threaded holes DN 40 - 600 / NPS 1 1/2 - 24 DESIGNED ACCORDING TO Valve with lugs with internally threaded holes BODY DISC SEAT FLANGE CONNECTIONS PRESSURE RATING OPERATION

material BV10 BV10-U BV11 - XX XX X BV12 BV12-U Body Cast iron Ductile iron Cast steel Stainless steel Stainless steel Ductile iron Ductile iron Ductile iron Ductile iron Stainless steel Stainless steel Stainless steel Seat EPDM WHITE EPDM For soft seat valves, NP, code is composed as follows BV10-NP-XXXXX or BV12-NP-XXXXX

Dimensions in mm ; U/R = Upon Request (*) For this size, the open disc dimension is covered by F/F all dimensions are subject to revision without prior notice 11

Dimensions in mm ; U/R = Upon Request all dimensions are subject to revision without prior notice 12

U-section design all dimensions are subject to revision without prior notice

double flanged DOUBLE FLANGED DIN EN 1092-2 PN 6 PN 10 PN 16 class 150 class 150 series A class 150 series B series 13 series 14 series 20 EN 593 MSS SP67 DN 200 - 2000 / NPS 8 - 80 DESIGNED ACCORDING TO Double anged body DN150 - 1600 / NPS 6 - 64 DESIGNED ACCORDING TO Double anged body (*) For more corresponding F/F standards, kindly check the le on page 27 DISC construction FEATURES SEAT execution concentric eccentric back-up soft resilient disc seal vulcanised on body DOUBLE FLANGED ECCENTRIC DOUBLE FLANGED CONCENTRIC

steel 304 – 316 – p less olis he d teel 304 ss –3 inles 16 Sta Elec tric Cast steel Ductile iron Cast iron Ductile iron BODY DISC SEAT FLANGE CONNECTIONS PRESSURE RATING OPERATION

Cast iron Ductile iron GG25 Epoxy coated GGG40 Epoxy coated Ductile iron Stainless steel Stainless steel all dimensions are subject to revision without prior notice 16

Ductile iron Cast steel Stainless steel Stainless steel Alu - bronze Ductile iron Ductile iron Ductile iron Ductile iron Stainless steel Stainless steel Stainless steel ASTM B148 C95400 GGG40 Epoxy coated GGG40 Nickel plated GGG40 Halar plated GGG40 Nylon plated CF8 CF8M CF8M polished EPDM NBR FKM/FPM WHITE EPDM Dimensions in mm (*) For this size, the open disc dimension is covered by F/F all dimensions are subject to revision without prior notice 17

luaFer-Lug TFfTl Lined

steel 316 – polis hed less ain St Ductile iron Hydraulic actuator Electric ectr ic a ctu ato r TYPE BODY DISC SEAT FLANGE CONNECTIONS PRESSURE RATING OPERATION

EXECUTION TECHNICAL SPECIFICATIONS • Face to face according to DIN 3202/K1 - BS5155 - ISO 5752 - API 609 • Long neck execution • Wafer type with 2 centre holes : Type BV10 • Lug type with threaded holes : Type BV12 • Actuator mounting ange according to ISO 5211 • Mounting between anges DIN PN6/10/16, ANSI 150 • Two piece body in GGG40.3 • Disc and stem in one piece design • Min. 3 mm PFA covering to obtain good corrosion and diffusion resistance • Min. 3 mm TFM liner, vacuumtight • Elastic elastomers obtain gastightness • Wide TFM angesealing area • Leackagefree sealing by constant pressure...

all dimensions are subject to revision without prior notice 21

high performance

ze bron cast steel Double anged body TYPE BODY DISC SEAT FLANGE CONNECTIONS PRESSURE RATING OPERATION BV13-HP DOUBLE FLANGED HIGH PERFORMANCE

high performance Besides the resilient seated buttery valves, some industrial processes require other types of buttery valves which offer them the perfect solution in form of high performance valves. Belven’s high performance buttery range adds an extra asset towards the complete buttery range as they cover different temperature and pressure ratings and different ange connections as in its standard range. Field applications for this valve differs from power generation, hydrocarbon processing, water and waste water treatment, marine and commercial shipbuilding, food and beverage processing...

high performance Cast steel Stainless steel Stainless steel Stainless steel Stainless steel Alu -Bronze Stainless steel Stainless steel Stainless steel Stainless steel PTFE RTFE METAL FIRE-SAFE soft seat metal seat re-safe seat

high performance All dimensions in mm unless otherwise specified All dimensions in mm unless otherwise specified all dimensions are subject to revision without prior notice 26