Page 239 - APPLIED PROCESS DESIGN FOR CHEMICAL AND PETROCHEMICAL PLANTS, Volume 1, 3rd Edition

Pumping of Liquids 21 1

Table 3-7
Pump Materials of Construction
Table materials are for general use, specific service experience
is preferred when available
___~ -
____-
~-
Casing & Impeller & Shaft Type of
Liquid Wear Rings Wear Rings Shaft Sleeves Seal Seal Cage Remarks
~-
-~ ~
Ammonia, Cast Iron Cast Iron Zarbon Steel ,arbon Steel Mechanical ........... Mall. Iron NOTE :
Anhydrous & Materials of
Aqua Construction
shown will be
revised for
some jobs.
Benzene Cast Iron Cast Iron Earbon Steel Wickel Moly. Ring Cast Iron Mall. Iron
Steel Packing
Brine (Sodium Ni-Resist * Ni-Resist * K RiIonel I< Monel Ring Ni-Resist ** Ni-Resist ** *Cast Iron
Chloride) Packing acceptable.
**Malleable
Iron
accepfab le.
Butadiene Casing: C. Impeller: Carbon Steel [3% Mechanical ........... Earbon Steel
Steel-Ring: C.1 .-Rings: Yhrome
C.I. C. Steel :tee1
Carbon Cast Iron Cast Iron Carbon Steel arbon Steel Mechanical ........... Mall. Iron
Tetrachloride
Caustic, 50% Mkco C Misco C 18-8 llisco C Ring Misco C Earbon Steel Misco C
(Max. Temp. Stainless Packing manufactured
200" F.) Steel by Michigan
Steel Cast-
ing Company.
29 Cr-9 Ni
Stainless
Steel, or
equal.
Caustic, 50% Nickel Nickel Nickel or Nickel Ring Nickel Nickel
(Over 200" F) 18-8 Stain- Packing
I3 73% less Steel
Caustic, 10% Cast Iron 23% Cr. 23% Cr. 23% Cr. Ring Cast Iron ........... Specifica-
(with some 52% Ni 52y0 Ni 52% Ni Packing tions for 50%
sodium Stainless Stainless Stainless Caustic
chloride) Steel Steel Steel (Maximum
Tern perat ure
200" F) also
used.
Ethylene Cast Steel Carbon Steel Carbon Steel Carbon Steel Mechanical Cast Iron Mall. Iron
Ethylene Cast Iron Cast Iron Steel K Monel Mechanical ........... K Monel
Dichloride
Ethylene Glycol Bronze Bronze 18-8 18-8 Ring ........... Bronze
Stainless Stainless Packing
Steel Steel
Hydrochloric Impregnatec Impregnated 18-8 Impregnated Mechanical ._......... Impregnated
Acid, 32% Carbon Carbon Stainless Carbon Carbon
Steel
Hvdrochloric Rubber Hard Carbon Steel Rubber or Ring Rubber Rubber
Acid, 32% Lined Rubber Plastic Packing
(Alternate) C. Iron
Methyl Chloridc Cast Iron Cast Iron 18-8 18-8 Mechanical ........... Mall. Iron
Stainless Stainless
Steel Steel
Propylene Casing: Imp.: Carbon Steel Carbon Stee Mechanical Cast Iron Mall. Iron
C. Steel- C.1 .-Rings:
Rings: C.I. c. Stl
Sulfuric Acid, Hard Special Carbon Steel Hastelloy C Ring Special Special
Below 55% Rubber Rubber Packing Rubber Rubber
Lined C.I.
Sulfuric Acid, Cast Si-Iron Si-Iron Type 316 Si-Iron Ring Teflon Si-Iron
55 to 95% Stn. Stl. Packing
Sulfuric Acid, Cast Iron Cast Iron Carbon Steel 13% Cr Mechanical ........... Mall. Iron
Above 95%
StyreKe Cast Iron Cast Iron Carbon Steel 13% Ring Cast Iron Mal!. Iron
Chrome Packing
Steel
Water, River Cast Iron Bronze 18-8 Bronze Mechanicai Cast Iron Mall. Iron
Stainless
Steel
Water. Sea Casing, Impeller: K Monel K Monel or Ring Monel or Monel or
1-2% Ni, Monel (Aged) Alloy 20 SS Packing Alloy 20 SS Alloy 20 SS
Cr 3-0.5% Rings:
Cast Iron S-Monel
Rings: Ni-
Resist, 2B