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NOTE: All pressure ratings for BLACOH products are determined using gauge pressure gauges. This means that when the gauge needle reads zero it is at atmospheric pressure. BLACOH does not use absolute pressure gauges which would read approximately 14.7 psi at atmospheric pressure.
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| PLASTIC |
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Max Pressure: |
100 - 250 psi |
Temperature: |
-20°F to +250°F |
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(6.9 - 17.2 bar) |
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(-29°C to +121°C) |
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Capacity: |
4 cu in – 5 gal (.066 – 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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Machined PTFE |
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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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(.066 - 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: |
11,500 psi (793 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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(Custom ports available |
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Carbon Steel |
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on request) |
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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 (.066 - 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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| CIP SANITARY (Unique Flow Through Dampener with USP Class VI Silicone Bladder) |
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Max Pressure: |
150 psi (10.3 bar) |
Temperature: |
-20°F to +300°F |
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(-29°C to +149°C) |
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Capacity: |
275 cu in (4.5L) |
Inlet Ports: |
2.5" Tri-Clamp |
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Sanitary Fitting |
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Shell Materials: |
30 or better RA Polished 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. |
USP Class VI Silicone |
-20°F to +300°F (-29°C to +149°C) |
Pharmaceutical 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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