Pfeiffer 14c Series Maintenance Manual

Butterfly Valve Series 14b / 14c / 74b
Fig. 1 - High-Performance Butterfl y valve Series 14b
Fig. 2 – Variants of Butterfl y Valves Series 14b, 14c and 74b
1 of 8
Pfeiffer Chemie-Armaturenbau GmbH • Telefon: 02152 2005-0 • Telefax: 02152 1580 • E-Mail: vertrieb@pfeiffer-armaturen.com • Internet: www.pfeiffer-armaturen.com
Maintenance
0. Contents
1. Introduction
2. Design, operation and dimensions
3. Installation, start-up and maintenance
4. Assembly of the butterfl y valve
4.1 Preparation for the assembly
4.2 Assembly of the Butterfl y Valve Series 14b
with live-loaded V-ring packing
4.3 Assembly of the Butterfl y Valve Series 14b and
Series 74b with adjustable Stuffi ng box fl ange
4.4 Assembly of the Butterfl y Valve Series 14b
with live-loaded V-ring packing
5. Malfunctions and their elimination
6. Repair of the butterfl y valve
7. Queries to the manufacturer
2
2
2
2
2
2
4
6
8
8
8