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Summary of Contents for TLV MB12A
- Page 1 172-65316M-08 (MB12A/MB12AF/MB12B/MB12BF) 7 October 2021 Motorized Ball Butterfly Valve MB12A/MB12AF MB12B/MB12BF Copyright © 2021 by TLV CO., LTD. All rights reserved...
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Page 2: Table Of Contents
Also be sure to read this manual carefully before use and follow the instructions to be sure of using the product properly. The TLV motorized ball butterfly valve incorporates a ball butterfly valve, which offers a combination of the superior sealing properties of the ball valve and the smooth rotary movement of the butterfly valve, with an electric actuator. -
Page 3: Safety Considerations
The three types of cautionary items above are very important for safety: be sure to observe all of them as they relate to installation, use, maintenance and repair. Furthermore, TLV accepts no responsibility for any accidents or damage occurring as a result of failure to observe these precautions. - Page 4 Use only under conditions in which no water hammer will occur. The impact of water hammer may damage the product, leading to fluid discharge, which may cause burns or other injury. 172-65316M-08 (MB12A/MB12AF/MB12B/MB12BF) 7 Oct 2021...
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Page 5: Specifications
Avoid using the ball valve in the half-open position, as it may result in damage to the valve seat. Be sure to use only in the fully open and fully closed positions. Also, do not use with slurries. 172-65316M-08 (MB12A/MB12AF/MB12B/MB12BF) 7 Oct 2021... - Page 6 15 to 125 V DC, 160 to 600 mA Small-load Model Manufacturer Yamatake Corporation Model V-3214EK-011 Contact Capacity 5 to 125 V AC, 5 to 100 mA (Resistance Load) 5 to 30 V DC, 5 to 100 mA 172-65316M-08 (MB12A/MB12AF/MB12B/MB12BF) 7 Oct 2021...
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Page 7: Configuration
Configuration Screwed Actuator Unit Nameplate Terminal Block Mount Screw: M3 Connection Diagram Wiring Port Manual Open/Close G½ Shaft (12 mm wide) Valve Unit Flanged 172-65316M-08 (MB12A/MB12AF/MB12B/MB12BF) 7 Oct 2021... - Page 8 Belleville Washer Valve Seat O-ring Bushing Body Gasket Valve Shaft Spindle Holder Washer Belleville Washer Gland Seat Holder Gasket Stem Packing Seal Guide Bushing Holder Screw Flanged Flange Bolt *Inlet and outlet sides – 2 pieces 172-65316M-08 (MB12A/MB12AF/MB12B/MB12BF) 7 Oct 2021...
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Page 9: Installation
8. For screwed models, the installation of unions at the inlet and outlet is recommended to facilitate replacement of the valve unit. If there is a problem, determine the cause by using the “Troubleshooting” section of this manual. 172-65316M-08 (MB12A/MB12AF/MB12B/MB12BF) 7 Oct 2021... - Page 10 NOTE: The auxiliary contact closed Power signal is sent when the valve Source reaches 5° before the fully closed position. The auxiliary contact opened signal is sent when the valve reaches 5° Internal Circuitry before the fully opened position. 172-65316M-08 (MB12A/MB12AF/MB12B/MB12BF) 7 Oct 2021...
- Page 11 NOTE: Excessively long controller wiring may lead to malfunction due to induction voltage. If this occurs, install a relay near the motorized valve; use the relay contact for the controller or install a resistor between terminals T1 and T3. Contact TLV for details. 172-65316M-08 (MB12A/MB12AF/MB12B/MB12BF) 7 Oct 2021...
- Page 12 If this occurs, install a relay near the motorized valve; use the relay contact for the controller or install a resistor between terminals T1 and T3. Contact TLV for details. • The auxiliary contact closed signal is sent when the valve reaches 5° before the fully closed position.
- Page 13 NOTE: Excessively long controller wiring may lead to malfunction due to induction voltage. If this occurs, install a relay near the motorized valve; use the relay contact for the controller or install a resistor between terminals T1 and T3. Contact TLV for details. 172-65316M-08 (MB12A/MB12AF/MB12B/MB12BF) 7 Oct 2021...
- Page 14 If this occurs, install a relay near the motorized valve; use the relay contact for the controller or install a resistor between terminals T1 and T3. Contact TLV for details. • The auxiliary contact closed signal is sent when the valve reaches 5° before the fully closed position.
- Page 15 H1 and H2 terminals and are wired in the same manner: • Standard + Auxiliary Contact + Space Heater • Relay + Space Heater • Relay + Auxiliary Contact + Space Heater Control Switch Power Source Internal Circuitry 172-65316M-08 (MB12A/MB12AF/MB12B/MB12BF) 7 Oct 2021...
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Page 16: Manual Operation
The shaft may be turned in either direction. There are no stoppers at the valve fully-open and fully-closed positions. Pay close attention to the open/closed indicator as the shaft is being turned. Manual Open/Closed Open/Close Indicator Shaft 172-65316M-08 (MB12A/MB12AF/MB12B/MB12BF) 7 Oct 2021... -
Page 17: Maintenance
Size Rotational Torque (N∙m) (mm) No Load 1.0 MPaG Load 10.0 15.1 12.0 19.0 (1 N∙m ≈ 10 kg∙cm) 172-65316M-08 (MB12A/MB12AF/MB12B/MB12BF) 7 Oct 2021... - Page 18 • Do not tighten the holder completely the first time. Tighten the holder only as much as necessary to stop leakage. • If leakage continues even after the holder has been tightened, replace worn parts (gland section or valve unit). 172-65316M-08 (MB12A/MB12AF/MB12B/MB12BF) 7 Oct 2021...
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Page 19: Disassembly/Reassembly
Check for deformation or wear Allen Wrench Actuator Unit Part: Allen Screw Allen Screw Distance Valve Size Torque Across Flats N∙m Connector Spring Washer 15 to 25 Valve Unit 32 to 50 (1 N∙m ≈ 10 kg∙cm) 172-65316M-08 (MB12A/MB12AF/MB12B/MB12BF) 7 Oct 2021... - Page 20 This centers ball, thus making it easier to reassemble. When reassembly is completed, tighten the valve holder. 172-65316M-08 (MB12A/MB12AF/MB12B/MB12BF) 7 Oct 2021...
- Page 21 — anti-seize; tighten to the proper torque Flange Remove the flange Reattach the flange — Valve Distance Flange Torque Size Across Flats Part N∙m Flange Bolt 40, 50 Flange Bolt (1 N∙m ≈ 10 kg∙cm) 172-65316M-08 (MB12A/MB12AF/MB12B/MB12BF) 7 Oct 2021...
- Page 22 Replace with a new bushing — NOTE: Clean, then check the inside of the body for scratches, erosion, etc. Belleville Washer Bushing Body Valve Seat Washer Washer Valve Seat Valve Seat Belleville Washer O-ring Body Gasket Union Ball 172-65316M-08 (MB12A/MB12AF/MB12B/MB12BF) 7 Oct 2021...
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Page 23: Troubleshooting
When the actuator unit fails to operate as it did when first installed, use the following table to locate the cause. Detach the valve body before troubleshooting, and check the actuator unit itself (see next page). 172-65316M-08 (MB12A/MB12AF/MB12B/MB12BF) 7 Oct 2021... - Page 24 In the event of product failure, any necessary repairs shall be carried out by TLV, so do not disassemble the actuator unit.
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Page 25: Tlv Express Limited Warranty
Subject to the limitations set forth below, TLV CO., LTD., a Japanese corporation (“TLV”), warrants that products which are sold by it, TLV International Inc. (“TII”) or one of its group companies excluding TLV Corporation (a corporation of the United States of America), (hereinafter the “Products”) are designed and manufactured by... - Page 26 WARRANTY NOT NEGATED HEREBY, AND ANY IMPLIED WARRANTY NOT NEGATED HEREBY, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, DO NOT COVER, AND NEITHER TLV, TII NOR ITS TLV GROUP COMPANIES WILL IN ANY EVENT BE LIABLE FOR, INCIDENTAL OR...
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Page 27: Service
Service For Service or Technical Assistance: Contact your TLV representative or your regional TLV office. In Europe: Tel: [49]-(0)7263-9150-0 Daimler-Benz-Straße 16-18, 74915 Waibstadt, Germany Fax: [49]-(0)7263-9150-50 Tel: [44]-(0)1242-227223 Units 7 & 8, Furlong Business Park, Bishops Cleeve, Gloucestershire GL52 8TW, U.K.
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