35 Green St.
Malden, MA 02148
-Thermoplastic Valves & Actuators
www.asahi-america.com
Phone: 781-321-5409 -High Purity Piping Systems
Fax: 781-321-4421 -Wet Process Systems
-Environmental & Industrial Piping Systems
Email: asahi@asahi-america.com
_____________________________________________________________________________________________________________________
Water Treatment Material Recommendations
Chemical Valve Type Valve Material Pipe
Sulfuric Acid: 93- Ball Valve PVDF/FKM
Duo-Pro: PVDF x PVDF
97% Butterfly PVC/FKM/PVDF Disk
Type 342 Diaphragm
Sulfuric Acid 98+% Halar / PTFE
Vlv Duo-Pro: ECTFE x PP
with SO3 PTFE
Type 55 Butterfly
PVC
Ball Valve, Vented Pro-Lock: PVC x PVC
Sodium Hypochlorite PVC, PTFE diaphragm with Gas
Diaphragm Valve Pro-Lock: CPVC x CPVC
Barrier
Aqueous Ammonia PP/EPDM Poly-Flo: PP or PE
Ball Valve
19% common Polyethylene Duo-Pro PP
Sodium Bisulfite Poly-Flo: PP or PE
Ball Valve PVC/PP/EPDM
Ferric Chloride Duo-Pro: PP
Ball Valve PP/PVDF/FKM Poly-Flo: PP
Hydrochloric Acid
Diaphragm Valve PVDF/PTFE/PVDF gas barrier Duo-Pro: PP or PVDF
Ball Valve PP/EPDM
Sodium Hydroxide Poly-Flo: PP or PE
Butterfly Valve PVC/EPDM/PP Disc
(Caustic Soda) Duo-Pro: PP
Diaphragm Valve PP/EPDM
Compressed Air Air-Pro Ball valve Air-Pro Air-Pro
Please Note: These are general recommendations. Please consult Asahi/America’s Engineering Department
for specific material selection based on application’s media, temperature and pressure.
35 Green St.
Malden, MA 02148
-Thermoplastic Valves & Actuators
www.asahi-america.com
Phone: 781-321-5409 -High Purity Piping Systems
Fax: 781-321-4421 -Wet Process Systems
-Environmental & Industrial Piping Systems
Email: asahi@asahi-america.com
_____________________________________________________________________________________________________________________
Bleach Packaging Material Recommendation
Chemical Valve Materials Pipe Material
Chlorine Gas Flanged Diaphragm PVC/PTFE with PVDF gas barrier FRP over PVC is common
Valve PTFE
Type 55 Butterfly
Sodium Hydroxide Ball PP/EPDM Pro150
Caustic Soda Butterfly PP/EPDM
Ambient Temp
Sodium Hydroxide Diaphragm PP/PTFE
Elevated Temp
Sodium Ball PVC/Viton Halar
Hypochlorite Butterfly PVC/PVC/Viton
Diaphragm PVC/PTFE with PVDF gas barrier
Compressed Air Ball Air-Pro Ball Valve Air-Pro
Please Note: These are general recommendations. Please consult Asahi/America’s Engineering Department
for specific material selection based on application’s media, temperature and pressure.
35 Green St.
Malden, MA 02148
-Thermoplastic Valves & Actuators
www.asahi-america.com
Phone: 781-321-5409 -High Purity Piping Systems
Fax: 781-321-4421 -Wet Process Systems
-Environmental & Industrial Piping Systems
Email: asahi@asahi-america.com
_____________________________________________________________________________________________________________________
Chlor-Alkali Material Recommendation
Service Valves Materials Max. Temp (all oF)
Clean Brine Feed Ball Valve PVC/CPVC/EPDM 140,195
Butterfly Valve PP/PP/EPDM 175
Diaphragm Valve PVC/EPDM 140
CPVC/EPDM 195
PVC,CPVC,PVDF/PTFE 140,195,250
Chlorinated Brine Diaphragm Valve PVC,CPVC,PVDF/PTFE/PVDF-Gas 140,195,250
for Return w/Free Barrier 250
Chlorine EL-PVDF/EL-PTFE/PVDF-Gas Barrier
H2O Feed Ball Valve PVC/EPDM 140
CPVC/EPDM 195
Diaphragm Valve PVC/EPDM 140
CPVC/EPDM 195
Butterfly Valve PVC/PP/EPDM 175
Cl2 Gas Diaphragm Valve PVC/PTFE 140
(Wet and Dry) CPVC/PTFE 195
PVDF/PTFE 250
HCl Ball Valve PP/FKM 175
PVDF/FKM 250
Diaphragm Valve PVDF/PTFE 250
NaOH 12%-50% Diaphragm Valve PP/PTFE 175
PP/EPDM 175
Sodium Ball Valve PVC/FKM 140
Hypochlorite Diaphragm Valve PVC/PTFE 140
Butterfly Valve PVC/PVC/FKM 120
Please Note: These are general recommendations. Please consult Asahi/America’s Engineering Department
for specific material selection based on application’s media, temperature and pressure.
35 Green St.
Malden, MA 02148
-Thermoplastic Valves & Actuators
www.asahi-america.com
Phone: 781-321-5409 -High Purity Piping Systems
Fax: 781-321-4421 -Wet Process Systems
-Environmental & Industrial Piping Systems
Email: asahi@asahi-america.com
_____________________________________________________________________________________________________________________
Landfill Recommendations Material Recommendation
Facility Process Valve Valve Material Pipe Pipe Material
Landfill Leachate Collection Gate Valve Hi-PVC Single wall HDPE
With Stem Perforated
Extension
Landfill Forced Main to Waste Gate Valve HI-PVC Poly-Flo HDPE
Treatment Type 57 PVC/PP/ Nitrile 1x2,2x3, 4x6
Butterfly Valve
Landfill Tank Overflow F/S Electric PVC/PP/ Nitrile Single wall HDPE
protection Type 57
Butterfly
Landfill Methane Flow Control Type 57 PVC/PP/ Nitrile Single wall HDPE
Butterfly Valve
Landfill Methane Zoning Type 57 PVC/PP/ Nitrile Single wall HDPE
Butterfly with
Stem Extension
Remediation Forced Waste Gate Valve HI-PVC Fluid-Lok HDPE
Collection
Please Note: These are general recommendations. Please consult Asahi/America’s Engineering Department
for specific material selection based on application’s media, temperature and pressure.
35 Green St.
Malden, MA 02148
-Thermoplastic Valves & Actuators
www.asahi-america.com
Phone: 781-321-5409 -High Purity Piping Systems
Fax: 781-321-4421 -Wet Process Systems
-Environmental & Industrial Piping Systems
Email: asahi@asahi-america.com
_____________________________________________________________________________________________________________________
35 Green St.
Malden, MA 02148
-Thermoplastic Valves & Actuators
www.asahi-america.com
Phone: 781-321-5409 -High Purity Piping Systems
Fax: 781-321-4421 -Wet Process Systems
-Environmental & Industrial Piping Systems
Email: asahi@asahi-america.com
_____________________________________________________________________________________________________________________
Pipe and Valve Recommendations for
Typical Water & Waste Water Chemicals
Seal Material Above-Ground Pipe Below-Ground Pipe Typical Special
Chemical Valve Recommendation Application
Recommendation Recommendation Recommendation Concentration Considerations
Type 21 Ball Valve Type 14 Clarification
ALUM - Aluminum Sulfate Polypropylene (PPR) "Pro HDPE "PolyFlo" Butt Fusion
Dia. Valve Type 57 Butterfly EPDM - PTFE Coagulant - < 50%
Al2(SO4)3 150" Socket or Butt Fusion with Point Leak Detection
Valve Flocculant
Type 21 Ball Valve Type 14
Polypropylene (PPR) "Pro HDPE "PolyFlo" Butt Fusion Biocide
Aqueous Ammonia NH4OH Dia. Valve Type 57 Butterfly EPDM - PTFE 19%
150" Socket or Butt Fusion with Point Leak Detection Cloramination
Valve
BLEACH - Sodium Type 21 Ball Valve Type 14 Vented Ball Valves
PVC - 80 "Pro Lock" Solvent
Hypochlorite Dia. Valve Type 57 Butterfly FPM - PTFE PVC - 80 Solvent Cement Biocide 12.5 - 15.5% PVDF Gas Barrier in
Cement
NaOCl Valve Dia. Valves
Type 21 Ball Valve Type 14
CAUSTIC - Sodium Hydroxide Polypropylene (PPR) "Pro HDPE "PolyFlo" Butt Fusion
Dia. Valve Type 57 Butterfly EPDM - PTFE PH Adjustment 50%
NaOH 150" Socket or Butt Fusion with Point Leak Detection
Valve
MURIATIC ACID - Type 21 Ball Valve Type 14 Vented Ball Valves
Polypropylene (PPR) "Pro HDPE "PolyFlo" Butt Fusion
Hydrochloric Acid Dia. Valve Type 57 Butterfly FPM - PTFE PH Adjustment 37% PVDF Gas Barrier in
150" Socket or Butt Fusion with Point Leak Detection
HCl Valve Dia. Valves
Type 21 Ball Valve Type 14
Ferric Chloride Polypropylene (PPR) "Pro HDPE "PolyFlo" Butt Fusion
Dia. Valve Type 57 Butterfly EPDM - PTFE Flocculant 40%
FeCl3 150" Socket or Butt Fusion with Point Leak Detection
Valve
Raw Water
Sulfuric Acid Type 342 Dia. Valve with HALAR (E-CTFE) "Ultra Pro" HALAR X PP "Duo Pro" with
PTFE Treatment & PH 93 - 98%
H2SO4 PTFE Diaphragm Butt Fusion Point Leak Detection
Adjustment
Type 21 Ball Valve Type 14
Polypropylene (PPR) "Pro HDPE "PolyFlo" Butt Fusion
Hydrofluosilicic Acid H2SiF6 Dia. Valve Type 57 Butterfly EPDM - PTFE Fluorination 50%
150" Socket or Butt Fusion with Point Leak Detection
Valve
Type 21 Ball Valve Type 14
Polypropylene (PPR) "Pro HDPE "PolyFlo" Butt Fusion
Polymer Dia. Valve Type 57 Butterfly EPDM - PTFE Dispersant ?
150" Socket or Butt Fusion with Point Leak Detection
Valve
Type 21 Ball Valve Type 14
Polypropylene (PPR) "Pro HDPE "PolyFlo" Butt Fusion
Anti-Scalant - Phosphonate Dia. Valve Type 57 Butterfly EPDM - PTFE RO Membranes ?
150" Socket or Butt Fusion with Point Leak Detection
Valve
Type 21 Ball Valve Type 14
Polypropylene (PPR) "Pro HDPE "PolyFlo" Butt Fusion Excess Chlorine
Sodium Bisulfite NaHSO3 Dia. Valve Type 57 Butterfly EPDM - PTFE 40%
150" Socket or Butt Fusion with Point Leak Detection Removal
Valve
Type 21 Ball Valve Type 14
Polypropylene (PPR) "Pro HDPE "PolyFlo" Butt Fusion
Corrosion Inhibitor Dia. Valve Type 57 Butterfly EPDM - PTFE Corrosion Inhibitor ?
150" Socket or Butt Fusion with Point Leak Detection
Valve
Type 21 Ball Valve Type 14
Ferric Sulfate Polypropylene (PPR) "Pro HDPE "PolyFlo" Butt Fusion
Dia. Valve Type 57 Butterfly EPDM - PTFE Coagulant 50%
FE2(SO4)3 150" Socket or Butt Fusion with Point Leak Detection
Valve
Type 21 Ball Valve Type 14
Polypropylene (PPR) "Pro HDPE "PolyFlo" Butt Fusion
Citric Acid Dia. Valve Type 57 Butterfly EPDM - PTFE Membrane Cleaning Sat'd.
150" Socket or Butt Fusion with Point Leak Detection
Valve
Type 21 Ball Valve Type 14
Methanol - (Methyl Alcohol) Polypropylene (PPR) "Pro HDPE "PolyFlo" Butt Fusion Nitrate to Nitrogen
Dia. Valve Type 57 Butterfly EPDM - PTFE Pure
CH3OH 150" Socket or Butt Fusion with Point Leak Detection Conversion
Valve
Chlorine Gas - Dry (moisture Type 342 Dia. Valve with HALAR (E-CTFE) "Ultra Pro" HALAR X PP "Duo Pro" with
PTFE Biocide Gas
Content < 150 ppm) Cl2 PTFE Diaphragm Butt Fusion Point Leak Detection
Chlorine Gas - Wet (moisture Type 342 Dia. Valve with HALAR (E-CTFE) "Ultra Pro" HALAR X PP "Duo Pro" with
PTFE Biocide Gas
Content > 150 ppm) Cl2 PTFE Diaphragm Butt Fusion Point Leak Detection
Please Note: These are general recommendations. Please consult Asahi/America’s Engineering Department
for specific material selection based on applications media, temperature and pressure.
35 Green St.
Malden, MA 02148
-Thermoplastic Valves & Actuators
www.asahi-america.com
Phone: 781-321-5409 -High Purity Piping Systems
Fax: 781-321-4421 -Wet Process Systems
-Environmental & Industrial Piping Systems
Email: asahi@asahi-america.com
_____________________________________________________________________________________________________________________
