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Products / Fluid Transfer

Diaphragm Pump

Graco ChemSafe 515 PTFE diaphragm pump
10 sector applications

Where LibertyCES specs Diaphragm Pump

Municipal Water

Strong evidence
Blue-White CHEM-FEED CD1/CD3

Explicit Municipal market segment for diaphragm metering pumps.

Municipal Wastewater

Strong evidence
Graco QUANTM/ChemSafe

Case study specifies chemical metering pumps for wastewater pretreatment neutralization.

Cooling Towers

Moderate evidence
ProMinent beta/X

Becker distributes chemical feed pumps explicitly for cooling tower service.

Mining

Strong evidence
Graco QUANTM · Husky

Dedicated LibertyCES case study: abrasive slurry transfer at a California mining operation using Graco QUANTM.

Oil & Gas

Strong evidence
Graco G-JR · Python

Explicit oil/gas wellhead chemical injection pumps.

Chemical Processing

Strong evidence
FTI Air FT-Series · Graco Husky

Acids/bases/plating solutions/general chemical process explicitly named.

Plating

Strong evidence
FTI Air FT-Series

Plating explicitly named application sector.

Pharmaceutical

Strong evidence
FTI Air FDA-Compliant AODD

Pharmaceutical and cosmetic processing explicitly named sector, CFR21.177/EC 1935/2004 compliant.

Food & Beverage

Strong evidence
FTI Air FDA-Compliant AODD · Graco SaniForce 1590 (3A dairy)

Food and beverage explicitly named sector; SaniForce 1590 HS is 3A-certified for milk/dairy.

Agriculture/Irrigation

Moderate evidence
Graco Mongoose

Agriculture explicitly stated market for Mongoose metering/injection pump line.

5 chemical compatibility records

Chemical compatibility

Acids

Strong evidence
Sulfuric AcidPhosphoric AcidCitric AcidLactic AcidFatty Acids
Materials: PVDF · Noryl (fails >98.3% w/ SO3) · Halar/ECTFE · PTFE (one-piece flanged only) · Alloy 20
Graco Husky/ChemSafe AODD · Filter Pump chambers · Griffco pulsation dampener/back-pressure valve

Griffco TIB2010-001 quantifies material failure thresholds for concentrated sulfuric acid across diaphragm-pump-adjacent hardware.

Caustics/Bases

Strong evidence
Potassium Hydroxide (KOH)Sodium Hydroxide
Materials: PP · PVDF · 316SS (unsuitable per case study)
Graco QUANTM i30 (electric diaphragm)

Cheese-plant wastewater case study: QUANTM electric diaphragm pump dosing 50% H2SO4 and 45% KOH, 24% chemical savings.

Oxidizers/Disinfectants

Moderate evidence
Sodium HypochloriteHydrogen Peroxide
Materials: PTFE · UHMWPE (no exposed metal, ChemSafe) · PVDF
Graco ChemSafe 1590/515/307/1040

ChemSafe line explicitly positioned for corrosive/oxidizing chemical service with zero exposed metal in fluid path.

Salts/Brines

Light evidence
Plating solutions (metal salts)
Materials: Polypropylene · Conductive Polypropylene
FTI Air FT025-FT30P Non-Metallic AODD

FTI Air's non-metallic AODD line names plating solutions among its core applications.

Solvents/Organics

Light evidence
Paints, inks, solvents
Materials: Polypropylene · PVDF
FTI Air Non-Metallic AODD FT025-FT30P

Vendor's shared application list for the non-metallic AODD line names paints/inks/solvents alongside acids & bases.

FAQ

Frequently Asked Questions

What industries use Diaphragm Pump?

LibertyCES has documented Diaphragm Pump specified across 10 sector applications, including Municipal Water, Municipal Wastewater, Cooling Towers and Mining.

What is a real-world application of Diaphragm Pump in Municipal Water?

Explicit Municipal market segment for diaphragm metering pumps. — examples include Blue-White CHEM-FEED CD1/CD3. This is well-documented in LibertyCES's field data.

Is Diaphragm Pump compatible with Acids?

Griffco TIB2010-001 quantifies material failure thresholds for concentrated sulfuric acid across diaphragm-pump-adjacent hardware. Materials to confirm: PVDF, Noryl (fails >98.3% w/ SO3), Halar/ECTFE, PTFE (one-piece flanged only), Alloy 20. Specific chemicals include Sulfuric Acid, Phosphoric Acid, Citric Acid, Lactic Acid, Fatty Acids.

What chemical families is Diaphragm Pump rated for?

LibertyCES has documented chemical compatibility records for Diaphragm Pump across 5 chemical families, including Acids, Caustics/Bases, Oxidizers/Disinfectants, Salts/Brines, Solvents/Organics.

Spec Review

Send LibertyCES the process data, not a part number

Fluid, chemistry, concentration, temperature, flow, pressure, suction conditions, current equipment, and drawings if you have them — that's what a real spec review needs to start.

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