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Neles Metso T2 Series Installation Maintenance And Operating Instructions

Top entry ball valve
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TOP ENTRY BALL VALVE
Series T2
Installation, Maintenance and
Operating Instructions

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Summary of Contents for Neles Metso T2 Series

  • Page 1 TOP ENTRY BALL VALVE Series T2 Installation, Maintenance and Operating Instructions...

  • Page 2: Table Of Contents

    1 T 70 en Table of Contents GENERAL............3 Scope of the manual ......3 Valve description........3 Valve markings........3 Technical specifications ......3 Valve certifications ......... 4 CE marking ..........4 Recycling and disposal ......4 Safety precautions ......... 4 TRANSPORTATION, RECEPTION AND STORAGE............

  • Page 3: General

    1 T 70 en GENERAL (1) (2) (5) Scope of the manual MADE BY METSO AUTOMATION ATTENTION : READ INSTRUCTIONS BEFORE INSTALLATION OR SERVICING. CONTACT METSO AUTOMATION FOR COPY. BODY SHAFT T max MAX. OPER. RATING TYPE XXXX TRIM SEAT T min This manual provides the essential information on the T2 series ball valves.

  • Page 4: Valve Certifications

    1 T 70 en Valve certifications CAUTION: A tightness certificate and an EN/DIN 50049 3.1 B cer- Beware of extreme temperatures! tificate for the valve body and bonnet can be supplied The valve body may be very hot or very cold during on request.

  • Page 5: Installation And Use

    1 T 70 en INSTALLATION AND USE material, e.g. 120 °C. The increase of temperature can be prevented by winding wet protection cloth around General the body during the welding. Fig. 7. Remove the flow bore protectors and check that the valve is clean inside.

  • Page 6: Start-Up

    1 T 70 en The upright position is recommended for the actuator SERVICING cylinder. General The actuator must not touch the pipeline, because pipeline vibration may interfere with its operation. CAUTION: Observe the safety precautions mentioned in Sec- In certain cases it may be considered advantageous to tion 1.8 before servicing! provide additional support to the actuator.

  • Page 7: Repairing A Jammed Or Stiff Valve Without Removing It From The Pipeline

    1 T 70 en Detaching the B series actuator CAUTION: When handling the valve or the valve package as a whole, bear in mind the weight of the valve or the entire package! CAUTION: Do not detach a spring-return actuator unless a stop-screw is carrying the spring force! Fig.

  • Page 8: Dismantling The Valve

    1 T 70 en Dismantling the valve Checking the parts of a dismantled valve ❑ Remove the valve from the pipeline. ❑ Remove the actuator as explained in 4.4. 4.7.1 Seats ❑ Loosen the gland nuts. Do not remove the gland. ❑...

  • Page 9: Reassembling The Valve

    1 T 70 en Seat H Reassembling the valve ❑ Clean all the inside parts. If there is any rust inside, the surfaces can be sprayed with an anti- rust agent after cleaning. Check the reactions of the agent to flowing medium. ❑...

  • Page 10: Testing The Valve

    1 T 70 en ❑ Place the locking tools in position and tighten as Table 2 Recommended tightening torques of the shown in Fig. 19. Remove the extractor tool. body stud nuts (for information only) ❑ Lower the ball with bearings and seats into the Recommended tightening torques body, in the 'Open position'.

  • Page 11: Installing The Actuator

    1 T 70 en INSTALLING THE ACTUATOR actuator mounting screws and then fasten all screws. General ❑ Adjust the ball open and closed positions by means of the actuator stop screws located at Use suitable mounting parts and couplings when you both ends (see Fig.

  • Page 12: Installing Other Than Metso Actuators

    1 T 70 en 6.4.2 B1JA-type Installing other than Metso actuators ❑ Install the actuator so that the piston is in the cyl- inder end position at housing side. The cylinder NOTE: must not be pressurized and air supply connec- Metso accepts no responsibility for compatibility of actu- tions must be open.

  • Page 13: Exploded View And Parts List

    1 T 70 en EXPLODED VIEW AND PARTS LIST S, T Item Description Recommended spare Body Ball Trunnion bearing Trunnion bearing Ball seat Bonnet Gland Stud Stud Hexagon nut Hexagon nut ID plate Secondary seat (S, T, G) Bearing strip Bearing strip Bellows spring (H) Spring (S, T, G)

  • Page 14: Dimensions And Weights

    1 T 70 en DIMENSIONS AND WEIGHTS øO øD øB øU Valve T2H, ASME 1500 DIMENSIONS IN mm α ° TYPE 8 UN øB øD øO øU T2H 02 215.9 50.8 9.52 39.1 ø224 22.5 1 1/8 T2H 03 266.7 76.2 12.7 50.4...

  • Page 15: Type Coding

    1 T 70 en TYPE CODING TOP ENTRY BALL VALVE, Series T2 Q-CODE PRODUCT DESIGN 7. sign SEAT Standard low noise trim for gas and liquid application, H, S Standard metal seat single seat construction Standard soft seat Metal seat Q-CODE SPECIAL PRODUCT OPTIONS QLF-...
  • Page 16 1 T 70 en Metso Automation Inc. Europe, Levytie 6, P.O. Box 310, 00811 Helsinki, Finland. Tel. +358 20 483 150. Fax +358 20 483 151 North America, 44 Bowditch Drive, P.O. Box 8044, Shrewsbury, MA 01545, USA. Tel. +1 508 852 0200. Fax +1 508 852 8172 Latin America, Av.

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