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 Wetted Material 

Air System
1/4"
0-4 GPM
Page 72
1/2"
0-14 GPM
Page 73
1"
0-40 GPM
Page 74
1-1/2"
0-95 GPM
Page 75
2"
0-150 GPM
Page 76
Polypropylene w/Geolast* (Nitrile)
Polypropylene
NC-025
NC-5
NC-10
  –
NC-20
Polypropylene w/Teflon*
Polypropylene
BK-025
BK-5
BK-10
  –
BK-20
Polypropylene w/Santoprene*
Polypropylene
NC-025E
BK-5E
BK-10E
  –
BK-20E
Polypropylene w/Viton*
Polypropylene
  –
BK-5V
BK-10V
  –
  –
Nylon w/Teflon
Nylon or Polypropylene
RD-025
RD-5
RD-10
  –
RD-20
Conductive Nylon w/Teflon
Nylon or Polypropylene
RD-025C
RD-5C
  –
  –
  –
Conductive Nylon w/Geolast (Nitrile)
Nylon or Polypropylene
RD-025BC
RD-5BC
  –
  –
  –
Acetal w/Geolast (Nitrile)
Nylon
  –
SL-5
SL-10
  –
  –
PVDF w/Teflon
Polypropylene
KN-025
KN-5
KN-10
  –
KN-20
PVDF w/Santoprene
Polypropylene
KN-025E
KN-5E
KN-10E
  –
KN-20E
PVDF W/Viton
Polypropylene
  –
KN-5V
KN-10V
  –
  –
Aluminum w/Geolast/Polypro
Polypropylene
  –
AL-5
AL-10
AL-15
AL-20
Aluminum w/Teflon/Nylon
Nylon or Polypropylene
  –
AL-5T
AL-10T
AL-15T
AL-20T
Aluminum w/Santoprene/Polypro
Polypropylene
  –
AL-5E
AL-10E
AL-15E
AL-20E
316 Stainless Steel w/Teflon
Polypropylene
  –
ST-5
ST-10
ST-15
ST-20
316 Stainless Steel w/Santoprene
Polypropylene
  –
ST-5E
ST-10E
ST-15E
ST-20E
316 Stainless Steel w/Geolast (Nitrile)
Polypropylene
  –
ST-5B
ST-10B
ST-15B
ST-20B
FASTENER MATERIAL NC Plated & 302-304 Stainless Steel RD Plated & 302-304 Stainless Steel SL Plated & 302-304 Stainless Steel
  AL Plated & 302-304 Stainless Steel BK 302-304 Stainless Steel KN 302-304 Stainless Steel
  ST 302-304 Stainless Steel * Teflon Coated Fasteners Available  
NOTE: Always check chemical resistance guide for compatibility. Do not use aluminum with halogenated solvents.
Chemical resistance values may vary for fiberglass reinforced plastic.

NC The NC Model is the most economical choice for all non-aggressive, water-based liquids and slurries. Water-based inks, paints, adhesives and ceramic slurries are some common applications. Polypropylene offers excellent abrasion resistance and zero water absorption.

Diaphragm NOTES
Geolast is a nitrile based thermoplastic elastomer used in place of nitrile (Buna-N) or neoprene for non-aggressive water-based applications.

Santoprene is an EPDM-based thermoplastic elastomer and is resistant to mild acids, some solvents and bases.

Both Geolast and Santoprene offer superior cycle life over cloth reinforced diaphragms, abrasion resistance and extended chemical resistance.

Teflon–stock models feature a two part diaphragm system. Bonded single piece diaphragms are available.

*Santoprene and Geolast are registered trademarks of Advanced Elastomer Systems. Teflon and Viton are registered trademarks of DuPont Dow Elastomers.
BK The BK Model is often used in corrosive environments. Inorganic acids, bases, plating solutions, alcohols and most water-soluble chemicals. The 1" and larger polypropylene pumps have fiberglass reinforcement for structural integrity. Do not use with hydrofluoric acid or other fluids not recommended for use with fiberglass.
SL The SL Model is an economical answer to the transfer of oils, lubricants and general automotive fluids.
RD The RD Model is often used for lubricants, oils and fats (both animal and vegetable types) hydrocarbons. Nylon offers superior resistance to that of acetal in the area of solvents and solvent-based products. Groundable conductive nylon is also available for the transfer of flammable fluids.
KN PVDF used in the KN Model handles a wide range of chemicals, strong acids, bases, phenols, organic and inorganic chemicals at temperatures up to 200o F (93o C). PVDF complies with the FDA 3A material specifications.
AL The AL Model contains aluminum that is an A380 class material that does not require anodizing, impregnation or painting for appearance or wear characteristics. Do not use aluminum with halogenated solvents.
ST ST Models are used where the mechanical properties of 316 stainless steel are required.

Water Cooling Corp. The Pump Warehouse
P.O. Box 220056 | Rosedale, NY 11422
Phone: Toll Free: 888.201.3201 | Fax: 718.525.1826