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Series 26a Ball Valve
Fig. 1 - Series 26a Ball Valve with Series 31a Rotary Actuator
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Table of contents
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1
2
3
4
4.1
4.2
4.3
4.4
5
5.1
6
7
7.1
7.2
7.3
8
1 of 9
Pfeiffer Chemie-Armaturenbau GmbH • Phone: +49 2152 2005-0 • Fax: +49 2152 1580 • E-Mail: vertrieb@pfeiffer-armaturen.com • Internet: www.pfeiffer-armaturen.com
Maintenance
1
Introduction
These instructions are intended to assist the user on assem-
bling and repairing Series 26a Ball Valves.
Specifi cations are subject to change without notice. The text
and drawings do not necessarily display the scope of supply
or any ordering of spare parts.
Drawings and graphics are not to scale.
Customer-specifi c designs not in accordance with our stand-
ard product range are not shown.
1
1
2
Fig. 2 - Fire-safe Series 26a Ball Valve => See Table 1 (on page 3) for parts list
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2
2
2
4
6
6
6
9
9
9
9
9
9
Fig. 3 - Standard Series 26a Ball Valve => See Table 2 (on page 5) for parts list
EB 26a_EN
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Related Manuals for Pfeiffer 26a Series
Summary of Contents for Pfeiffer 26a Series
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Page 1: Table Of Contents
Fig. 3 – Standard Series 26a Ball Valve => See Table 2 (on page 5) for parts list 1 of 9 Pfeiffer Chemie-Armaturenbau GmbH • Phone: +49 2152 2005-0 • Fax: +49 2152 1580 • E-Mail: vertrieb@pfeiffer-armaturen.com • Internet: www.pfeiffer-armaturen.com EB 26a_EN... -
Page 2: Design, Operation And Dimensions
805 or Molykote 1000) is used during manufactur- ing to prevent the screws from cold welding in the bodies 2 of 9 Pfeiffer Chemie-Armaturenbau GmbH • Phone: +49 2152 2005-0 • Fax: +49 2152 1580 • E-Mail: vertrieb@pfeiffer-armaturen.com • Internet: www.pfeiffer-armaturen.com EB 26a_EN... - Page 3 Table 1 – Parts list Fig. 4 - Detail drawing of fi re-safe version of Series 26a Ball Valve 3 of 9 Pfeiffer Chemie-Armaturenbau GmbH • Phone: +49 2152 2005-0 • Fax: +49 2152 1580 • E-Mail: vertrieb@pfeiffer-armaturen.com • Internet: www.pfeiffer-armaturen.com EB 26a_EN...
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Page 4: Assembly Of The Standard Ball Valve
( 1 ). Refer to Fig. 5 for the arrangement of the V-rings. 4 of 9 Pfeiffer Chemie-Armaturenbau GmbH • Phone: +49 2152 2005-0 • Fax: +49 2152 1580 • E-Mail: vertrieb@pfeiffer-armaturen.com • Internet: www.pfeiffer-armaturen.com EB 26a_EN... - Page 5 Table 2 – Parts list Fig. 5 - Detail drawing of standard version of Series 26a Ball Valve 5 of 9 Pfeiffer Chemie-Armaturenbau GmbH • Phone: +49 2152 2005-0 • Fax: +49 2152 1580 • E-Mail: vertrieb@pfeiffer-armaturen.com • Internet: www.pfeiffer-armaturen.com EB 26a_EN...
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Page 6: Tightening Torques
DN 15 version is spring-loaded and sealed on both sides of the ball by just one graphite ring seal. 6 of 9 Pfeiffer Chemie-Armaturenbau GmbH • Phone: +49 2152 2005-0 • Fax: +49 2152 1580 • E-Mail: vertrieb@pfeiffer-armaturen.com • Internet: www.pfeiffer-armaturen.com EB 26a_EN... - Page 7 1.4571 Table 4 – Parts list Fig. 7 - Detail drawing high-temperature Series 26a Ball Valve 7 of 9 Pfeiffer Chemie-Armaturenbau GmbH • Phone: +49 2152 2005-0 • Fax: +49 2152 1580 • E-Mail: vertrieb@pfeiffer-armaturen.com • Internet: www.pfeiffer-armaturen.com EB 26a_EN...
- Page 8 8 of 9 Pfeiffer Chemie-Armaturenbau GmbH • Phone: +49 2152 2005-0 • Fax: +49 2152 1580 • E-Mail: vertrieb@pfeiffer-armaturen.com • Internet: www.pfeiffer-armaturen.com EB 26a_EN...
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Page 9: Troubleshooting
In case of severe damage, we recommend the repair work to be carried out by Pfeiffer. 9 of 9 Pfeiffer Chemie-Armaturenbau GmbH • Phone: +49 2152 2005-0 • Fax: +49 2152 1580 • E-Mail: vertrieb@pfeiffer-armaturen.com • Internet: www.pfeiffer-armaturen.com Specifi cations subject to change without notice Issue August 2014...
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