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Summary of Contents for ITT Engineered Valves 970
- Page 1 Installation, Operation, and Maintenance Manual Handwheel Operated Valves (970)
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Page 3: Table Of Contents
Table of Contents Table of Contents 1 Introduction and Safety ............................ 2 1.1 Safety message levels ..........................2 1.2 User health and safety ..........................2 2 Transportation and Storage..........................4 2.1 Handling and unpacking guidelines......................4 2.2 Storage, disposal, and return requirements ....................4 3 Product Description ............................ -
Page 4: Introduction And Safety
1.2 User health and safety General precautions This product is designed and manufactured using good workmanship and materials, and meets all appli- cable industry standards. This product should be used only as recommended by ITT. WARNING: • Misapplication of the valve can result in injury or property damage. Select valves and valve components of the proper materials and make sure that they are consistent with your specific performance requirements. - Page 5 • Ensure that the contents of the operating instructions have been fully understood by the personnel. Instruction and training can be carried out by either ITT or the reseller of the valve by order of the operat- ing company WARNING: California Proposition 65 Cancer http://www.P65Warnings.ca.gov.
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Page 6: Transportation And Storage
Dispose of this product and associated components in compliance with federal, state, and local regula- tions. Return Ensure these requirements are met before you return a product to ITT: • Contact ITT for specific instructions on how to return the product. -
Page 7: Product Description
3 Product Description 3 Product Description 3.1 Topworks identification Model number Code Description Rising handwheel with travel stop 3.2 Bonnet description Non-Sealed bonnet The non-sealed bonnet has a weep hole that indicates a diaphragm failure by allowing process fluid that accumulates in the bonnet to pass through the hole. - Page 8 3.3 Valve diaphragm identification Valve size Grade of diaphragm Figure 2: Elastomer diaphragm back Material code Date code Figure 3: PTFE diaphragm Handwheel Operated Valves (970) Installation, Operation, and Maintenance Manual...
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Page 9: Installation
4 Installation 4 Installation 4.1 Install the valve and topworks NOTICE: The topworks size and configuration can limit the actual operating pressure. Consult the Pure- Flo catalog for pressure limitations. Consult the factory or engineering catalog for vacuum op- eration. If you have a weld end valve, then consider the following: If you are welding ... -
Page 10: Fastener Torque Table For Valve Body To Topworks
4.3 Set the travel stop 4.2.1 Fastener torque table for valve body to topworks Values given are for lubricated fasteners. Valve size PTFE diaphragm Elastomer diaphragm Inch in-lb in-lb 0.50 25–80 2.8–9.1 20–40 2.3–4.5 0.75 50–80 5.7–9.1 20–50 2.3–5.7 1.00 65–120 7.4–13.6 45–70 5.1–7.9 1.25 and 1.50 32 and 40 200–225 23–25... - Page 11 4.3 Set the travel stop Replace the bonnet on the valve body without a diaphragm. Replace two bonnet fasteners and nuts on opposite sides of the bonnet and hand tighten. Turn the handwheel until the compressor touches the weir. The valve will not close further. Push down on the handwheel until it bottoms on the travel stop surface of the bonnet.
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Page 12: Operation
5 Operation 5 Operation 5.1 Topworks operation The valve is closed with a clockwise rotation of the handwheel. Handwheel Operated Valves (970) Installation, Operation, and Maintenance Manual... -
Page 13: Maintenance
Action if problem is found External valve parts Excessive wear or corrosion • Replace the affected parts • Contact ITT to obtain replace- ment parts or for specific in- structions Non sealed bonnet Replace the valve diaphragm Topworks Spindle binding, excessive noise, or... -
Page 14: Replace The Valve Diaphragm
6.5 Replace the valve diaphragm Rotate the handwheel to lower the compressor diaphragm assembly. 6.5 Replace the valve diaphragm Disassemble the valve. For more information, see 6.4 Disassemble the valve on page Unscrew the diaphragm from the compressor by turning the diaphragm counterclockwise. The replacement diaphragm should be identical in size and grade to the original diaphragm. - Page 15 6.7 Replace the o-ring Remove the o-ring from the groove in the bonnet. Clean the o-ring groove. Apply lubricant to the o-ring. Install the o-ring into the groove. Reinstall the handwheel. Set the travel stop. For more information, see 4.3 Set the travel stop on page Handwheel Operated Valves (970) Installation, Operation, and Maintenance Manual...
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Page 16: Parts List And Cross-Sectionals
7 Parts List and Cross-Sectionals 7 Parts List and Cross-Sectionals 7.1 970 stainless steel bonnet List of parts Figure 4: Figure 6: Bolt detail for tank bottom body, block Figure 5: Plastic diaphragm and compressor body and fabrications Item Description Material Quantity Travel stop screw... - Page 17 Visit our website for the latest version of this document and more information: www.engvalves.com ITT Engineered Valves 33 Centerville Raod Lancaster, PA 17603 Form IOM-RHWO.en-US.2022-11 ©2022 ITT Inc. or its wholly-owned subsidiaries The original instruction is in English. All non-English instructions are translations of the original instruction.
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