check valve maintenance manual

24/08/  · Check valves, pilot operated, Z2S 6, Size 6, Component series 6X, Maximum operating pressure 350 bar, Maximum flow 80 l/min, Data sheet, Operating instructions, Configurator / CAD, Spare parts and repair, Check valves, pilot operated, Z2S 10, Size 10, Component series 3X, Maximum operating pressure 315 bar, Maximum flow 120 l/min, Data

LIFT CHECK & SWING CHECK VALVE. OPERATION/ MAINTENANCE MANUAL 2.1 These check valves can be installed in a pipeline to avoid backward flow. 2.2 MEDIUM.

2" Through 12" Class 125, 150 & 250 Threaded and Flanged End Cast Iron, 3% NI Iron, and Ductile Iron Horizontal Swing Check Valves IOM Manual.

Swing Check Valves (See Fig. 3) The self actuated swing check valves covered by this manual are of the bolted cover type, the clapper arm and the disc being suspended from the cover. Each swing check valve is supplied with fully trapped gasket between the cover and the valve body. Most check valves are allowed to have some leakage, according to

Installation, Operation, and Maintenance Manual The flanged swing check valve (Figure 1& Figure 2) features a hinged stainless steel clapper with an 

This section covers necessary maintenance instructions for the manually operated stop check valves, including routine maintenance, trouble shooting, disassembly, inspection, reassembly and recommended spare parts.

RDOIM 12/12. Operation and Maintenance Manual. RD-Series™. Check Valve. Henry Pratt Company. 401 S. Highland Avenue. Aurora, IL 60506. Phone: (630) 844-4000.

UNITED 7700 Swing Check Valves may be installed in horizontal pipe-work and vertical pipe-work if the flow is in an upwards direction.

Particular check valves perform additional services as follows: 1. Wafer check valves reduce the effect of water hammer (FM approved for such service). 2. Outside lever check valves may be fitted with a limit switch to detect flow. A. General Service By Product 1. Figure 59, 159 and 259 Check Valve For service in other than fire protection

M&H VALVE RESILIENT SWING CHECK MAINTENANCE MANUAL I. SELECTION Check valves are for the prevention of backflow. Particular check valves perform additional services

This manual has been prepared to provide the end user with general guidelines in the installation, operation and routine maintenance of VITAS valves. The instructions contained within this manual apply to all VITAS bolted bonnet & pressure seal valves unless otherwise stated.