- Materials
Vector | SPO Compact Flange - Materials
Materials
| Common Materials for SPO Compact Flange applications | ||||
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| SPO Compact Flange | IX Sealring | Bolting for all flange and seal ring material combinations | ||
| Carbon Steel | A105N A350 LF2 A694 F52 A694 F60 A694 F65 AISI 4130 (Low Alloy) |
AISI 4140 | A193 B7 A193 B16 A320 L7 A320 L43 |
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| Stainless Steel | A182 F316 A182 F44 (6Mo) A182 F49 A182 F51 (Duplex) A182 F53 (Super Duplex) |
A182 F51 (Duplex) A564 630 (17-4 PH) |
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• SPO compact flanges : available from standard forging to suit mating pipe, valve,etc.
• Sealrings : coated with PTFE
• Standard bolting materials : A193 B7 and A320 L7/L43. (Inch stud bolts threaded at noth ends or full length may be
used) - threads : coarse series Class 2A (ANSI B1.1)
• Heavy Hex Nuts : (ANSI B18.2.2) shall be used - threads : coarse series Class 2B
• Nominal diameters 1" and smaller shall coarse thread series (UNC)
Nominal diameters 1 1/8" and larger shall be of the 8 thread series (8UN)
| Seal Ring Colour Coding | |||
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| Service Temperature | Seal Ring Material | Seal Ring PTFE Colour | |
| Carbon Steel | -50°C to +250°C | AISI 4140 | Blue |
| Stainless Steel | -50°C to +250°C | 22 Cr Duplex | Yellow |
| Stainless Steel | -100°C to +250°C | 17-4 PH | Orange |
| Stainless Steel | -100°C to +150°C | Austenitic SS | Red |
| SS / Nickel Alloy / CS with inlay | -100°C to +250°C | Nickel Alloy (Inconel 625, 718, A286,...) | Black |
| Materials | > +250°C | Suitable | No Coating |
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