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belven BV10S Series Installation, Operation And Maintenance Instructions
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belven BV10S Series Installation, Operation And Maintenance Instructions

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INSTALLATION, OPERATION AND MAINTENANCE INSTRUCTIONS TYPE BV10S & BV12S
Storage & Protection
1.
Always visually inspect the valves at reception to determine if any damage has occurred during
shipping. Inspect the body for cracks or holes. For proper operation of the valves, the seat and disc
seal must be undamaged and free of foreign material. If damage is discovered, contact Belven
immediately, indicating the location and extent of the damage found, photographs of the packing and
damages are appreciated.
The Belven valves must be stored with the disc cracked off the seat (approx..10°). The connections
must be covered to protect the flange faces and internals for dust, dirt, oil or other impurities.
Store the valves indoors at a cool temperature between -4°C and 30°C in a dry place that is fire
resistant, weather tight and well ventilated. No corrosive chemicals should be present.
When an electric- or pneumatic actuator is mounted on the valve we recommend that it should be
cycled approximately every 30 days.
Any spare parts for the valve shall be stored in the original packaging and under the same conditions
as the valve is stored.
For storage longer than 4 months, the storage container should be inspected every four (4) months to
ensure it is in good condition, and any additional protective coverings or materials are in working order.
Ensure all parts are plugged, and bare metal is covered with a suitable rust inhibitor. The seat should
be coated with a suitable lubricant.
Avoid storage under direct sun exposure.
Do not stack unpacked valves.
After a long-term storage clean the Belven valve, especially the sealing surfaces, control that the
rubber seat is not dried out and check the valve tightness before installation.
Belven NV Blokhuisstraat 24
Tel. +32 (0)15 29 40 70
info@belven.com
We keep the right to change above mentioned information at any time without any prior or direct notice
2800 Mechelen
Fax +32 (0) 15 20 14 13
www.belven.com
IOM BV10S -BV12S/ 20180522
Belgium
Pagina 1 van 15

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Summary of Contents for belven BV10S Series

  • Page 1 The Belven valves must be stored with the disc cracked off the seat (approx..10°). The connections must be covered to protect the flange faces and internals for dust, dirt, oil or other impurities.
  • Page 2 SEALING WITH THE RUBBER SEAT. PLEASE BE CAREFUL NOT TO DAMAGE THESE SURFACES WHILE INSTALLING OR HANDLING THE VALVE. CLEAN OFF THE FLANGE FACES BEFORE INSTALLATION IN THE PIPELINE. Belven NV Blokhuisstraat 24 2800 Mechelen Belgium Tel. +32 (0)15 29 40 70 Fax +32 (0) 15 20 14 13 info@belven.com...

  • Page 3: Installation

    The properties of the fluid in the valve, such as pressure, temperature, nature of the fluid must be considered. The Belven valves carry our label with our logo, our website, the Belven product type, the size, the pressure class, body material, disc material, seat material, QR-code to our website and CE marking.
  • Page 4 The maximum allowable temperature will decrease as the working pressure increases. Vacuum applications should be verified with Belven before ordering and the max. vacuum pressure of the application should be explicitly mentioned on the purchase order. Belven NV Blokhuisstraat 24...
  • Page 5 (for example due to long storage) we recommend lubricating it with a suitable grease or to replace it by a new seat. If damage is discovered, contact Belven immediately, indicating the location and extent of the damage found If it is necessary to clean the valve, use a soft cloth and an appropriate solvent.
  • Page 6 The Belven BV10S-BV12S valve seat serves as gasket between the valve body and the connecting flanges. No additional gaskets are necessary, they can cause over-compression and distortion of the seat resulting in higher operating torques and premature seat wear.
  • Page 7 Remove the jack bolts (flange spreaders) and hand tighten the bolts as per opposite angles respecting further mentioned bolt tightening sequence. Belven NV Blokhuisstraat 24 2800 Mechelen Belgium Tel. +32 (0)15 29 40 70 Fax +32 (0) 15 20 14 13 info@belven.com...
  • Page 8 Do not install the valves in a pipe bend or too close to pumps or other pipe elements to avoid turbulences. Belven recommends that the length of straight pipe preceding the BV10S or BV12S butterfly valves is at least 6x the pipe diameter. This distance is not always practical, but it is important to respect it as much as possible to avoid premature failure and life cycle reduction.

  • Page 9: Operation And Maintenance

    The medium inside the valve may be very hot or very cold, making the outside surface and hand lever/handwheel also very hot or cold. Use protective clothes and gloves when operating the valves to prevent burns or injuries. Belven NV Blokhuisstraat 24 2800 Mechelen Belgium Tel.
  • Page 10 The medium inside the valve might be corrosive or toxic, ensure to wear protective clothing before dismounting the valve. Please protect the environment by intercepting all media that accidently flows out of the valve. Belven NV Blokhuisstraat 24 2800 Mechelen Belgium Tel.
  • Page 11 All the valve parts for replacement shall be the same as the original ones in size and material. Only use the original Belven spares to replace the parts in the valve. Use lubricating grease compatible with metal parts, soft parts and medium. Apply a thin layer of grease in the sealing grooves and to the surface of the shaft.
  • Page 12 SEAT DISC STEM O‐RING UPPER BUSHING RETAINING RING RETAINER PLATE PHILIPS SCREWS Belven NV Blokhuisstraat 24 2800 Mechelen Belgium Tel. +32 (0)15 29 40 70 Fax +32 (0) 15 20 14 13 info@belven.com www.belven.com Pagina 12 van 15 We keep the right to change above mentioned information at any time without any prior or direct notice...
  • Page 13 SEAT DISC STEM O‐RING UPPER BUSHING RETAINING RING RETAINER PLATE PHILIPS SCREWS Belven NV Blokhuisstraat 24 2800 Mechelen Belgium Tel. +32 (0)15 29 40 70 Fax +32 (0) 15 20 14 13 info@belven.com www.belven.com Pagina 13 van 15 We keep the right to change above mentioned information at any time without any prior or direct notice...
  • Page 14 ATEX application The Belven type BV10SA and BV12SA valves are suitable for use in potential explosive atmospheres outside the valve, equipment group II (not for mining)-atmosphere around the valve outside Zone 1/21 or Zone 2/22 for gas and dust.

  • Page 15: Troubleshooting

    The valve has to be removed from the pipeline for  inspection. The rubber seat and disc might be  Valve is blocked damaged by the item blocking the valve or the  rubber reacted with the medium. The damaged  parts must be replaced * Always respect the safety regulations and instructions & warnings of paragraph 4.2 Belven NV Blokhuisstraat 24 2800 Mechelen Belgium Tel. +32 (0)15 29 40 70 Fax +32 (0) 15 20 14 13 info@belven.com www.belven.com...

This manual is also suitable for:

Bv12s series