Related Manuals for Emerson 903
Summary of Contents for Emerson 903
- Page 1 Installation, Operation and Maintenance Manual IOM.HWO.ASCO.en-US.2017-11 Handwheel Operated Valves (903, 913, 963) Designed and Manufactured by ITT...
-
Page 3: Table Of Contents
Change the diaphragm type ....................14 Replace the o-rings ....................... 15 Parts Listing and Cross-Sectional Drawings ..............17 963 PAS plastic bonnet ......................17 Handwheel Operated Valves (903, 913, 963) Installation, Operation, and Maintenance Manual Designed and Manufactured by ITT... -
Page 4: Introduction And Safety
• If the product exhibits any indication of leakage, do not operate. Isolate the product and either repair it or replace it as outlined within this manual. Handwheel Operated Valves (903, 913, 963) Installation, Operation, and Maintenance Manual Designed and Manufactured by ITT... - Page 5 If the identification tag is missing or worn, contact ASCO for specific instructions. Do not use "cheater bars" to operate manual valves. Damage to the valve or personal injury could result. Handwheel Operated Valves (903, 913, 963) Installation, Operation, and Maintenance Manual Designed and Manufactured by ITT...
-
Page 6: Transportation And Storage
• Complete a Material Safety Data Sheet or Process Data Sheet for any process fluid that could remain on the valve. • Obtain a Return Material Authorization from the factory. Handwheel Operated Valves (903, 913, 963) Installation, Operation, and Maintenance Manual Designed and Manufactured by ITT... -
Page 7: Product Description
All diaphragm materials and physical properties are batch traceable via permanent codes molded into the diaphragm tabs. The molding date, grade of diaphragm, and size provide traceability to original batch records. Handwheel Operated Valves (903, 913, 963) Installation, Operation, and Maintenance Manual Designed and Manufactured by ITT... - Page 8 Figure 2: Elastomer diaphragm front 1. Valve size 2. Grade of diaphragm Figure 3: Elastomer diaphragm back 1. Material code 2. Date code Figure 4: PTFE diaphragm Handwheel Operated Valves (903, 913, 963) Installation, Operation, and Maintenance Manual Designed and Manufactured by ITT...
-
Page 9: Installation
3. Tighten the bonnet fasteners in a crisscross pattern. For more information, see Fastener torque table for valve body to topworks (page 8). Handwheel Operated Valves (903, 913, 963) Installation, Operation, and Maintenance Manual Designed and Manufactured by ITT... -
Page 10: Fastener Torque Table For Valve Body To Topworks
4. Maximum values given will be required for autoclave conditions and for high thermal cycle conditions. 5. Torques should be applied at or near ambient conditions <38°C |100°F. Handwheel Operated Valves (903, 913, 963) Installation, Operation, and Maintenance Manual Designed and Manufactured by ITT... -
Page 11: The Travel Stop
Turn the handwheel clockwise until you feel the initial resistance of the diaphragm seating. From this point, turn the handwheel another 5/8 turn. c) Turn the lock nut down until it bottoms on the spacer. Handwheel Operated Valves (903, 913, 963) Installation, Operation, and Maintenance Manual Designed and Manufactured by ITT... -
Page 12: Operation
1. Bonnet assembly should be installed to a body. 2. Loosen nut and turn counter clockwise until it is next to the head of the capscrew. Handwheel Operated Valves (903, 913, 963) Installation, Operation, and Maintenance Manual Designed and Manufactured by ITT... - Page 13 5. Turn capscrew clockwise until its lower end is in contact with the top of the stem of the bonnet assembly. 6. Turn the nut clockwise tight against the top of the cap. Opening stop is now set. Handwheel Operated Valves (903, 913, 963) Installation, Operation, and Maintenance Manual Designed and Manufactured by ITT...
-
Page 14: Maintenance
2. Turn the valve to the open position counter clockwise at least one turn. 3. Remove the bonnet fasteners. 4. Lift the topworks assembly from the valve body. Handwheel Operated Valves (903, 913, 963) Installation, Operation, and Maintenance Manual Designed and Manufactured by ITT... -
Page 15: Replace The Valve Diaphragm
Engage the threads of the diaphragm into the tube nut by rotating clockwise. d) Continue rotating the PTFE diaphragm clockwise into the compressor while securing the backing cushion from rotating. Handwheel Operated Valves (903, 913, 963) Installation, Operation, and Maintenance Manual Designed and Manufactured by ITT... -
Page 16: Change The Diaphragm Type
3. Loosen the handwheel setscrew(s) and remove the handwheel from the bonnet. 4. Remove the diaphragm, spindle and bushing assembly by withdrawing it through bottom of bonnet. 5. Remove the compressor. Handwheel Operated Valves (903, 913, 963) Installation, Operation, and Maintenance Manual Designed and Manufactured by ITT... -
Page 17: Replace The O-Rings
5. Install the thrust bearing or washer: a) Lubricate the thrust bearing or washer. For more information, see Lubrication requirements (page 12). Handwheel Operated Valves (903, 913, 963) Installation, Operation, and Maintenance Manual Designed and Manufactured by ITT... - Page 18 0.75 (20) #119 1.00 (25) #121 1.25 (32) #122 1.50 (40) #122 2.00 (50) #122 2.50 (65) #128 3.00 (80) #128 4.00 (100) #130 Handwheel Operated Valves (903, 913, 963) Installation, Operation, and Maintenance Manual Designed and Manufactured by ITT...
-
Page 19: Parts Listing And Cross-Sectional Drawings
963 PAS plastic bonnet List of parts Figure 7: Figure 9: V-notch vent plug for sealed bonnet Figure 8: Bonnet and bolting detail for fabrications with studs Handwheel Operated Valves (903, 913, 963) Installation, Operation, and Maintenance Manual Designed and Manufactured by ITT... - Page 20 Sanitary internals include a stainless steel spindle and bronze compressor. For “T” slot connection between spindle and compressor, the spirol pin is not used. ASME grade fasteners are available on tank botton valve. Handwheel Operated Valves (903, 913, 963) Installation, Operation, and Maintenance Manual Designed and Manufactured by ITT...
- Page 22 Visit our website for the latest version of this document and more information: www.emerson.com United Kingdom Customer Service Sales Admin 44-(0)1695-71 36 14 enquiries.asco.uk@emerson.com France: Sales Admin: 02 37 24 47 76 anf .serviced ients@emerson.com Italy +39 02 95037010 ANS .AFTERSALES@Emerson.com Netherlands +31332777805 info.asco.nl@emerson.com Spain +34 942 876 101 ventas.ane@emerson.com...