To ensure satisfactory valve operation, a routine maintenance check should be performed at regular intervals. The following actions should be taken: , 1. Operate the valve through a

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

2.4 The valve after the long term storage, should be cleaned and tested prior to installation make. Page 3. WEIDOULI VALVES CO.,LTD. Check Valves Manual. NO.20, 

MAINTENANCE MANUAL. DUAL PLATE CHECK VALVE. DOC NO. CAM-TS-0042. REV. NO. 00. DATE. 15-02-2012. PAGE NO 1 OF 8. PREPARED BY : D.K. CHECKED BY : K.M.P.

These instructions provide installation, operation and maintenance information for Cla-Val 580 & 581. Series Silent Check Valves. Safety Messages. All safety 

manufacturing the valve you need. INSTRUCTIONS AND MAINTENANCE MANUAL - SERIE - R. R. R e v. 0. 3 / 2. 6-05-20. 20. CHECK VALVE - SERIE R 

Installation, Operation and Maintenance Instructions. Installation. 1). Check valves must be oriented for flow and gravity effect.

Installation, Operation and Maintenance Manual for Gate, Globe, Bellows and Check Valves, IOM rev.3.0 , 3, IOM-API602.doc , 1 Description , This manual is a guide to all final users of OMB valves, in particular it suggests instructions for a correct installation, according to safety rules, and for a correct operation of the valve itself.

The easiest way to do this is to use a towel or wire brush to clean the valve casing. Keeping it clean will prevent buildup on the valve stem and other moving parts, maximizing the life of your valve. Routine Inspections, Your valves should be checked and inspected on a consistent basis.

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

Wafer Check Valve Installation, Operation and Maintenance Manual 1. Introduction. The design of this type of check valve has good structures and appearance. The discs open under the

Find a Repair Manual, Owners Manual or Parts Manual by Searching the RepairManual.com Online Catalog | Let us know if you need help finding what you need? Email Us or call 1-800-426-4214 Monday through Friday 9-1 pm Eastern Standard Time. Please Note: Many of the manuals we carry are no longer available by the manufacturer.

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

Check the inner cavity, especially the seal surface to inspect if the seal surface is free from dirt and damage. screw on the arm axle of the swing check valve. verify that the valve meets the service requirements. upwards. 2 Valve opens or closes automatically due to flow pressure of the medium. 5.2 INSTALLATION, or inclined line.

Operation and Maintenance Manual. I. General Service by Product. A. Style 59, 159, and 259 Check Valves. 1. Bronze to bronze seating is not available in 

5.4 MAINTENANCE 5.4.1 The installed valve shall be checked, maintained and repaired regularly as follows:- a. Inspect for wear and tear of the sealing surface. If there is any damage, repair or replace it. c. Check if connected bolts are secure. shall be done once the valve is reassembled. Keep detailed records for reference. 6.

B. Styles 59, 159, and 259 (Resilient Seated Check Valves) 1. Cold water services (125° F maximum, 32° F minimum) 2. Sizes 14" - 36" - 150 PSI maximum IV. Maintenance, Checking and Testing A. Swing check valves With the exception of issues caused by misuse and severe service of the valve, maintenance should be limited to the following:

MAINTENANCE MANUAL. Drawing C-1239 Figures 221-D, 221-DS, 221-U and 221-US. Single-Increasing Lever & Weight Swing Check Valves.

Verify that the Check Valve Maintenance Kit being used is appropriate for the valve's size, the Seal material, the. Spring's crack pressure rating, 

Dismantling • Visual inspection and dimensional check • Cleaning – sand blasting etc. if necessary • Crack detection – spot check • Inspection of valve guard for further use. • Rework of sealing lips of valve seat. Lapping or machining depending on condition. For a long seat lifetime only machine as little as possible.

Below are the Kennedy Valve operation and maintenance manuals. If you have further questions regarding these please contact us. O&M Manual Rotating Disc. Kennedy Guardian O&M

maintenance crew to perform the valve maintenance. Note that: Two (2) maintenance resources should be dispatched for work on residential Valve type (i.e., gate, butterfly, cone, check, air valve, blow-off) Function/use (in-line main, hydrant isolation, service line, bypass, division, pressure reducing, etc.) Valve Key (Manual) 3 11 4 14

Maintenance Manual of Dual Plate Check Valves . 2 Exploded Contents Page No. L&T Valves 3 Dual Plate Check Valves 4 View 5,6 Delivery Condition 7 Check valves should be installed a minimum of 5 pipe diameters downstream of any piping component (elbow, Tee, Valve, etc.) to allow the flow to stabilize.

Installation and Maintenance Manual MI -200 Check Rite Wafer Style Swing Check Valves Page: 3 Date: 10 August 2005 Ritepro Corporation A Subsidiary of Bray International, Inc Check Rite valves are normally installed with the Eyebolt pointing vertically upwards in a horizontal run of pipe, with the arrow on the Body pointing in the direction of

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.

Flanged or Wafer Style Valve. Gaskets may be oiled, greased, or left dry as preferred. Gaskets are not supplied with Valves. MAINTENANCE Maintenance of a Techno check Valve is seldom required. Repair or replacement of internal assembly is straight forward, requiring no special skills or tools. Following are a few precautions. 1.