Check valve
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Let’s move the medium! check valves / gate valves / strainers

introducing belven Nearly thirty years ago, Belgium Ventiel was founded as a sales and storage company for HVAC and plumbing valves. Later on it grew and widened its range into valves for industrial use, for water treatment plants and so on. From 1981 onwards, the company started with its own production of high quality valves. As quality is considered top priority for the company, the ISO9000 certicate was obtained in 1996 Geert Van Mechelen - Managing Director Belven and the PED 97/23EC certicate in 2003. Producing high quality valves at a correct price is the most important challenge for...

standard codes APPLICABLE STANDARDS (NON LIMITATIVE) ANSI - American National Standards Institute ANSI ANSI Face-to-face and end-to-end dimensions of valves Valves - anged, threaded and welded ends API - American Petroleum Institute API API Valve Inspection and Test Specication for pipeline valves Specication for pressure testing requirements for general purpose valves Specication for production pressure testing requirements DIN - Deutsches Institut für Normung DIN DIN DIN DIN DIN DIN Technical delivery conditions for castings made from metallic materials Cast iron Nodular iron Flanges -...

overview products CHECK VALVES BV36 (KNIFE) GATE VALVES BV49 Let’s move the medium! ball valves Let’s move the medium! Let’s move the medium! butterfly valves check valves / gate valves / strainers

CIS BALTIC BENELUX EUROPE NORTH AMERICA CHINA MIDDLE EAST NORTH AFRICA SOUTH EAST ASIA CENTRAL AMERICA CENTRAL AFRICA SOUTH AMERICA OCEANIA SOUTH AFRICA SOUTH AFRICA 6% NORTH AFRICA 8% SOUTH EAST ASIA 3% FAR EAST 2% check valves / gate valves / strainers

market MARKETS CONSTRUCTION & BUILDINGS 42% DISTRICT ENERGY 19% WATER TREATMENT 18% PROCESS INDUSTRY 16% TANK STORAGE 5% check valves / gate valves / strainers PRODUCTS / MEDIUM WATER & AIR 52% CHEMICALS 14% MINERALS 12% GRANULATES 9% POWDER 8% check valves / gate valves / strainers CONTRACTORS & MAINTENANCE 16% PRINCIPALS 16% GOVERNMENT, AUTHORITY & AGENCIES 13% ENGINEERING COMPANIES 11% check valves / gate valves / strainers

Cast steel Stainless steel Cast steel Stainless steel EPDM NBR FKM/FPM PTFE METAL all dimensions are subject to revision without prior notice 8

BV 38 DESIGN Belven has developped 2 designs : one in cast iron with 4 centre holes and one in cast steel or stainless steel with a center eye, equal to design of BV39 (= springloaded) - XX XX X Alu-Bronze Bronze Cast iron Cast steel Stainless steel ASTM B148 C95400 CuSn12 GG25 Epoxy coated A216 WCB Zn plated CF8M Alu-Bronze Bronze Cast steel Stainless steel EPDM NBR FKM/FPM PTFE METAL all dimensions are subject to revision without prior notice 9

Alu-Bronze Bronze Cast steel Stainless steel Alu-Bronze Bronze Cast steel Stainless steel EPDM NBR FKM/FPM PTFE METAL Dimensions in mm ; U/R = Upon Request all dimensions are subject to revision without prior notice 10

Alu-Bronze Ductile iron Stainless steel Alu-Bronze Ductile iron Stainless steel EPDM NBR FKM/FPM METAL all dimensions are subject to revision without prior notice 11

Cast iron Ductile iron GG25 Epoxy coated GGG40 Epoxy coated Phenolic resin Aluminium / nitrile Ductile iron / nitrile Polyurethane Phenolic resin ALU + NBR coated GGG40 + NBR coated PU (*) different materials depending size all dimensions are subject to revision without prior notice 12

Ductile iron Ductile iron Gate bonded with E B all dimensions are subject to revision without prior notice 13

Cast iron Stainless steel Stainless steel Stainless steel EPDM NBR FKM/FPM PTFE VMQ METAL DIMENSIONS with rising stem other operating options available Dimensions in mm ; U/R = Upon Request all dimensions are subject to revision without prior notice 14

Ductile iron Stainless steel all dimensions are subject to revision without prior notice 15

Cast iron Stainless steel Stainless steel Stainless steel Stainless steel all dimensions are subject to revision without prior notice 16

minimum opening pressure for check valves opening pressure mbar BV38/39 CAST STEEL - STAINLESS STEEL Dimensions in mm ; U/R = Upon Request * opening pressure horizontal position 0 mbar no backpressure required to keep checkvalve tight due to spring minimum backpressure required to keep check valve tight = 0,3 bar all dimensions are subject to revision without prior notice 17

operating options Belven can supply a wide range of valves for various applications . As multiturn valves are found in all kind of elds, the material varies from cast iron with special coatings for usage with water to stainless steel for usage with corrosive media. These valves are mainly equiped with a standard handwheel, but are extremely suitably to serve as control valves in an installation. Upon customer’s request the valves can be supplied with actuated OPEN/CLOSE or full position control, both supplied with the necessary accessories. Herewith we give you a brief overview of the...

operating options ELECTRIC When it comes to the automation of valves for water applications or other processes in the industrial and construction sector, Belven uses the newest electronic components combined with precise mechanics. This enables high performance and long-term reliability of the product. • Wide range of voltage options • Self-locking reduction gear • The electronic circuit adjusts automatically the motor speed depending on the mechanical charge variations in order to drive the cycle always in the same time. • All actuators are provided with torque limiter. • Thermal...

belven, your partner for valves DESIGN Check valves, gate valves and strainers can be found in many different designs. Every Belven valve offers a specic solution for a customers demand. When dening your requested valve, next to body construction, the material is also an important issue to tackle. The Belven valve range offers you different materials such as brass, bronze, cast iron, ductile iron, metal alloys, steels and stainless steel. Within these different materials and body constructions, Belven has optimised its range by offering standard product codes. RESEARCH & DEVELOPMENT All...