Metallic Expansion Joints - Thorburn Flex Inc
Metallic Expansion Joints - Thorburn Flex Inc
Metallic Expansion Joints - Thorburn Flex Inc
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THORBURN<br />
FLEXIBLE PIPING SPECIALIST<br />
HOT-FLEX “HF” CONSTRUCTION DETAILS<br />
Hot-<strong>Flex</strong> PTFE or FEP teflon tube formed into a<br />
stainless steel, inconel, monel or hasteloy<br />
corrugated tube.<br />
Flanges: Floating type (150#, 300# or metric).<br />
Available in carbon steel, stainless steel or teflon<br />
coated to meet your specific requirements.<br />
Options: Gimbal-hinged-dual-externally pressurized-pressure<br />
balanced.<br />
Working temperatures: from -300ºF to +400ºF.<br />
Working pressures: 50 - 150 - 300 psi available<br />
(please specify).<br />
• Absorbs pipe<br />
movements and stress<br />
• Isolates mechanical<br />
vibration<br />
• Reduces system noise<br />
• Protects against surge<br />
forces<br />
Note: For environmentally corrosive<br />
applications, laminated elastomeric<br />
or teflon covers available<br />
DANGER: Thor-Shields must be used at all times in hazardous service to protect against serious personal injury in the event of expansion joint failure.<br />
<strong>Thorburn</strong> internal liners must be used in abrasive service or where sharp-edge solids are or may be present.<br />
HOT-FLEX REQUIRED SPECIFICATION DESIGN DETAILS<br />
1. SAFETY<br />
Is fluid hazardous? Yes ❏ No ❏<br />
Are abrasive solids present? Yes ❏ No ❏<br />
(If yes to any of those questions, a Thor-Shield must be used)<br />
2. FLUID PROPERTIES<br />
Medium<br />
Velocity<br />
3. MATERIALS OF CONSTRUCTION<br />
<strong>Metallic</strong> carcass<br />
Flanges<br />
Internal liner (if required)<br />
4. EXPANSION JOINT FEATURES<br />
Size in. nominal diameter<br />
Internal liner Yes ❏ No ❏<br />
Safety shield Yes ❏ No ❏<br />
Installation position<br />
Up ❏<br />
Horizontal<br />
Flow<br />
Vertical<br />
Installed length<br />
Down ❏<br />
in.<br />
Flange drilling<br />
lb.<br />
5. MARKING: CONDITIONS NOT TO BE EXCEEDED<br />
Pressure test psig. @ ºF<br />
Operating pressure psig @ ºF<br />
Axial movement<br />
in.<br />
Lateral movement<br />
in.<br />
Angular movement<br />
in.<br />
Angular movement<br />
degrees<br />
Are limit bolts to be factory set to eliminate pressure thrust?<br />
Yes ❏ No ❏<br />
6. SPRING RATE REQUIREMENTS IF APPLICABLE<br />
Axial<br />
lbs./in.<br />
Lateral<br />
lbs./in.<br />
Angular<br />
ft.-lbs./degree<br />
7. DESIGN PARAMETERS<br />
Condition Pressure Vacuum Temp. MOVEMENTS*<br />
(psig) (in., Hg.) (ºF) Axial (in.) Lateral (in.) Angular (deg.)<br />
Testing<br />
Installation<br />
Tolerance<br />
Normal<br />
Operation<br />
Cold Weather<br />
Shutdown<br />
Design<br />
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