III. Pump Material Selection
A. Piston Pumps
Material Selection Chart for Piston Pumps
Liquid |
Liquid |
Valves |
Pistons & |
Liners |
Piston |
Packing |
Gland |
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Description |
End |
Rings/Rubbers |
Rods |
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Creosote |
CS or |
CS/SS |
Cast Iron w/ |
File Hard |
File |
Braid |
CI |
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CDI |
WG |
Chrome Rings |
Steel |
Hard |
Thd |
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Condensate |
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Ethane/Methane |
CS |
CS/SS |
Cast Iron w/ |
File Hard |
Hard |
Lip |
CI |
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(1) |
WG |
Nylon-TFE Rings |
Steel |
Coated |
Thd |
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Liquid Propane Gas |
CS |
CS/SS |
Cast Iron w/ |
File Hard |
Hard |
Lip |
CI |
||
(1) |
WG |
Nylon-TFE Rings |
Steel |
Coated |
Thd |
||||
Natural Gas Liquid |
CS |
CS/SS |
Cast Iron w/ |
File Hard |
Hard |
Lip |
CI |
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(1) |
WG |
Nylon-TFE Rings |
Steel |
Coated |
Thd |
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Lean Oil |
CS |
CS/SS |
Cast Iron w/ |
File Hard |
Hard |
Lip |
CI |
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(1) |
WG |
Nylon-TFE Rings |
Steel |
Coated |
Thd |
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Crude Oil |
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Clean |
CS |
CS |
Cast Iron w/ |
File Hard |
File Hard |
Lip |
CI |
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WG |
Chrome Rings |
Steel |
Steel |
Thd |
|||||
Clean w/H2S |
CS |
SS |
Cast Iron w/ |
File Hard |
File Hard |
Braid |
CI |
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(2) |
WG |
Chrome Rings |
Steel |
Steel |
Thd |
||||
w/Solids |
CS |
Slush |
Slush w/ |
File Hard |
Hard |
Lip |
CI |
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NBR |
NBR Rubbers |
Steel |
Coated |
Thd |
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w/Solids & H2S |
CS |
Slush |
Slush w/ |
File Hard |
Hard |
Braid |
CI |
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(2) |
NBR |
FEPM Rubbers |
Steel |
Coated |
Thd |
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Mud |
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Drilling |
CS |
Slush |
Slush w/ |
File Hard |
Hard |
Lip |
CI |
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NBR |
NBR Rubbers |
Steel |
Coated |
Bolted |
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Water |
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Fresh |
CDI or |
Slush |
Slush w/ |
File Hard |
Hard |
Lip |
CI |
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CS |
NBR |
NBR Rubbers |
Steel |
Coated |
Bolted |
||||
Mine |
CS |
Slush |
Slush w/ |
File Hard |
Hard |
Lip |
CI |
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NBR |
CR Rubbers |
Steel |
Coated |
Bolted |
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Symbol |
Type |
Chemical Name |
Temp. Range |
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CR |
Neoprene |
Polychloroprene |
-20F to +225F |
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FEPM |
Aflas |
FluoroElastomer - |
-10F to + 250F |
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TetraFluoroEthylene & Propylene |
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NBR |
Nitrile |
Butadiene-Acrylonitrile |
-10F to + 250F |
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REFERENCE NOTES: |
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1 |
Extra Deep Stuffing Boxes with Force Feed Lubrication is recommended for these applications. |
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2 |
Consult Factory on material requirements for NACE Specification MR01-75 latest revision. | ||||||||
