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Table of Contents
DF Series Diaphragm Valve
Service Instructions
WARNING
Before servicing any installed valve, you must
depressurize the system
●
cycle valve.
●
Pneumatically
Actuated Valve
Contents
• Tool Requirements
• Operation
• Installation
Panel Mounting (Round Handle Valves)
•
Welding
•
• Testing
• Maintenance
Kit Contents
•
Tool Requirements
Part
Bonnet nut
®
VCR
fittings
"H" Type VCR fittings
Nut / lock washer
(round handle only)
Sleeve hex
(Integral lockout handle only)
Set screw
(Integral lockout handle only)
Manually Actuated
(Round Handle)
Valve
• Handle Replacement
• Accessories for Pneumatic Valves
Tool
Open-end extension
Torque wrench
Open-end wrench
Nut driver
Open-end extension or hex
socket (deep well)
Hex wrench
WARNING
Residual material may be left in valve and
system.
The valves are shown with
tube butt weld ends. These
instructions also apply to
valves with any other end
connection.
Manually Actuated
(Integral Lockout
Handle) Valve
Replacing Diaphragms, Upper Assembly, or
•
Body Assembly
Round Handle
•
Integral Lockout Handle
•
Indicator Switch Kit Contents
•
Indicator Switch Installation
•
0 to 600 in.·lb (0 to 67.8 N·m,
Female 1 1/16 in.
Size
1 5/16 in.
0 to 691 cm·kg)
Male 15/16 in.
Male 5/8 in.
Female 3/4 in.
11/32 in.
18 mm
3/32 in.
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Related Manuals for Swagelok DF Series
Summary of Contents for Swagelok DF Series
- Page 1 DF Series Diaphragm Valve Service Instructions WARNING WARNING Before servicing any installed valve, you must Residual material may be left in valve and depressurize the system system. ● cycle valve. ● The valves are shown with tube butt weld ends. These...
-
Page 2: Operation
Operation Manually Actuated (Round Handle) Valve Pneumatically Actuated Valve CAUTION Air Inlet: Apply 70 psig (4.9 bar) Do not turn the handle past three-quarters to actuate turn or valve could be damaged. Normally Closed Normally Open Pneumatic Valve Pneumatic Valve Turn counterclockwise Turn clockwise three-quarters turn to... -
Page 3: Installation
Installation To maintain original cleanliness, all valves are packaged in double bags. Remove outer bag prior to entering cleanroom. Remove inner bag in cleanroom. Panel Mounting (Round Handle Valve) Cap insert Slot for 1. Close the valve. bonnet tab 2. Pry upward on the cap insert to remove it. Nut/lock washer 3. - Page 4 Testing Welding (All Valve Types) All Valves WARNING 1. With the valve in the open position, verify that Welding should be done by qualified flow passes through the valve. personnel as outlined in Section IX of the ASME Boiler Code. 2.
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Page 5: Maintenance
Maintenance Replacing Diaphragms, Upper Assembly Kit Contents or Body (All Valve Types) Diaphragm Kit Manually Actuated Integral Lockout Diaphragms Handle Pneumatically Manually Actuated Actuated Body Kit Round Handle Upper assembly Body Assembly Upper Assembly Kit Bonnet nut Diaphragms Body tically Actuated Manually Actuated Manually Actuated ssembly... -
Page 6: Maintenance (Contd)
3. Hold the upper assembly down firmly against Maintenance (contd) the body assembly and thread the bonnet nut Reassembly onto the body hand-tight. Caution 4. Torque the bonnet nut to 550 in. lb (62.1 N·m, · Seal surfaces on the body, seat assembly, 633 cm·kg). - Page 7 Resetting the Round Handle (contd) 4. Turn the sleeve hex clockwise to the closed position and torque to 25 in.·lb (2.8 N·m, 5. Reposition the handle on the valve body, 28.8 cm·kg). making sure the C on the base is centered in 5.
- Page 8 Install the valve into the system and connect the switch wire leads. Caution: Do not mix or interchange parts with those of Swagelok, VCR — TM Swagelok Company other manufacturers. © 1997, 2005, 2007 Swagelok Company June 2007, Rev C www.swagelok.com...
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