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| PLASTIC |
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Max Pressure: |
250 psi (17.2 bar) |
Temperature: |
-20°F to +250°F |
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(-29°C to +121°C) |
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Capacity: |
4 cu in – 5 gal (.07 – 19L) |
Inlet Ports: |
Threaded: FNPT, BSP |
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Flanged: ANSI, DIN, |
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Materials: |
Polypropylene |
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Socket |
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Conductive Polypropylene |
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PVC and CPVC, PVDF |
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Conductive Acetal |
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| METAL |
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Max Pressure: |
300 psi (20.7 bar) |
Temperature: |
-60°F to +400°F |
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(-51°C to +204°C) |
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Capacity: |
4 cu in - 100 gal |
Inlet Ports: |
Threaded: FNPT, BSP |
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(.07 - 379L) |
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Flanged: ANSI, DIN, |
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Materials: |
Aluminum, Carbon Steel |
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Socket |
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316L Stainless Steel |
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Alloy 20, Hastelloy C |
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Epoxy, PVDF and PTFE Coated Steel |
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| HIGH PRESSURE |
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Max Pressure: |
13,500 psi (930.8 bar) |
Temperature: |
-60°F to +225°F |
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(-51°C to +107°C) |
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Capacity: |
8 - 24 cu in (.13 - .39L) |
Inlet Ports: |
Threaded: FNPT |
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Flanged: ANSI |
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Materials: |
316L Stainless Steel |
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Carbon Steel |
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Alloy 20, Hastelloy C |
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| SANITARY |
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Max Pressure: |
1,000 psi (68.9 bar) |
Temperature: |
-20°F to +350°F |
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(-29°C to +177°C) |
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Capacity: |
4 cu in - 10 gal (.07 - 38L) |
Inlet Ports: |
Tri-Clamp Sanitary |
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Fitting |
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Shell Materials: |
30 or better RA Polished 316L Stainless Steel |
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Bead Blasted 316L
Stainless Steel |
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| PTFE |
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Max Pressure: |
100 psi (6.9 bar) |
Temperature: |
+40°F to +220°F |
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(+4°C to +104°C) |
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Capacity: |
4 - 370 cu in (.07 - 6L) |
Inlet Ports: |
Threaded: FNPT, BSP |
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Flanged: ANSI, DIN, |
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Materials: |
Machined PTFE |
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Metric Flare Type |
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| TEF-GUARD HP II (Unique PTFE Diaphragm Design) |
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Max Pressure: |
2,000 psi (137.9 bar) |
Temperature: |
+40°F to +220°F |
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(+4°C to +104°C) |
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Capacity: |
14 cu in (.23L) |
Inlet Ports: |
Threaded: FNPT |
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Flanged: ANSI |
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Materials: |
316L Stainless Steel |
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Carbon Steel |
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Alloy 20, Hastelloy C |
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CAUTION: Stated max pressure is for ambient temperatures; max pressure not available on all models. Temperature ranges based on available materials. Consult BLACOH for specific ratings.
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| BLADDER OPTIONS |
ELASTOMERS |
TEMPERATURE LIMITS |
APPLICATIONS |
Neoprene |
0°F to +200°F (-18°C to +93°C) |
Good abrasion resistance and flex; use with moderate chemicals. |
Buna |
+10°F to +180°F (-12°C to +82°C) |
Good flex life; use with petroleum, solvents and oil-based fluids. |
EPDM |
-60°F to +280°F (-51°C to +138°C) |
Use in extreme cold; good chemical resistance with ketones, caustics. |
Hypalon |
-20°F to +275°F (-29°C to +135°C) |
Excellent abrasion resistance; good in aggressive acid applications. |
Viton |
-10°F to +350°F (-23°C to +177°C) |
Use in hot and aggressive fluids; good with aromatics, solvents, acids and oils. |
Aflas |
0°F to +400°F (-18°C to +204°C) |
High temperature, petroleum based chemicals, strong acids and bases. |
FDA Silicone |
-20°F to +300°F (-29°C to +149°C) |
FDA-approved food grade material; for use in food and pharmaceutical processing. |
FDA Buna |
+10°F to +180°F (-12°C to +82°C) |
FDA-approved food grade. Similar characteristics of regular Buna. |
Santoprene |
-20°F to +225°F (-29°C to +107°C) |
Excellent choice as a low cost alternative for PTFE in many applications. |
PTFE |
+40°F to +220°F (+4°C to +104°C) |
Bellows design; excellent flex life; use with highly aggressive fluids. |
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