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Materials of Construction for Chemical Compatibility

MTH Pumps is dedicated to providing reliable and efficient fluid handling solutions across a diverse range of industries and applications. Ensuring chemical compatibility is a crucial aspect of our design and manufacturing process. We understand that different fluids and chemicals demand specific materials of construction to maintain optimal performance, longevity, and safety.

Our pumps are available in a variety of materials to accommodate a wide spectrum of chemical fluids and corrosive environments. Here are some key materials of construction offered by MTH Pumps:

Choosing the right material of construction is essential to ensure reliable pump performance and longevity while maintaining compatibility with the fluids being handled. At MTH Pumps, we work closely with our customers to understand their specific requirements and recommend the most suitable materials to ensure optimal performance and chemical compatibility for their applications. Our commitment to quality and expertise in materials of construction enables us to provide reliable fluid handling solutions across a wide range of industries.

Typical Close Coupled Options

PART

BRONZE FITTED

ALL IRON

ALL BRONZE

316 STAINLESS STEEL

Motor Bracket

Cast Iron ASTM A48

Cast Iron ASTM A48

Bronze ASTM B62

Stainless Steel AISI 316

Cover

Cast Iron ASTM A48

Cast Iron ASTM A48

Bronze ASTM B62

Stainless Steel AISI 316

Impeller

Bronze ASTM B62

Carbon Steel

Bronze ASTM B62

W88 ASTM A494

Sleeve/Bushing

Bronze ASTM B62

W88 ASTM A494

Bronze ASTM B62

W88 ASTM A494

“O”Rings

Buna N

Buna N

Buna N

Viton A

Seals

Buna/Ceramic

Buna/Ni-Resist

Buna/Ceramic

Viton/Ceramic

Seats

Buna/Carbon

Buna/Carbon

Buna/Carbon

Viton/Carbon

Shaft

Stainless Steel AISI 304

Stainless Steel AISI 304

Stainless Steel AISI 304

Stainless Steel AISI 304

Optional "O" Ring Materials include: EPR, Neoprene, Teflon

Optional Seal Materials include: GLSC/GLSC, Teflon Seal Type 9 Code QP-1C1, Silicon Carbide Seal Seat

Other Options and Accessories include: Vertical Flanges, Seal Flushes, Seal Quench Glands, Injection/Vent Ports, Pressure Relief Valves, Strainers, Passivation Services

Typical Flex Coupled Options

PART

BRONZE FITTED

ALL IRON

BRONZE RING

ALL BRONZE 

STAINLESS STEEL

Cover

Cast Iron ASTM A48

Cast Iron ASTM A48

Cast Iron ASTM A48

Bronze ASTM B62

Stainless Steel AISI 316 

Seal Cup

Cast Iron ASTM A48

Cast Iron ASTM A48

Cast Iron ASTM A48

Bronze ASTM B62

Stainless Steel AISI 316 

Bearing Arm

Cast Iron ASTM A48

Cast Iron ASTM A48

Cast Iron ASTM A48

Bronze ASTM B62

Stainless Steel AISI 316 

Channel Ring

Cast Iron ASTM A48

Cast Iron ASTM A48

Bronze ASTM B62

Bronze ASTM B62

Stainless Steel AISI 316 

Impeller

Bronze ASTM B62

Carbon Steel

Bronze ASTM B62

Bronze ASTM B62

W88 ASTM A494

Shaft

Stainless Steel AISI 416 

Stainless Steel AISI 416 

Stainless Steel AISI 416

Stainless Steel AISI 316

Stainless Steel AISI 316

“O”Rings

Buna N

Buna N

Buna N

Buna N

Viton A

Seals

EPR/Carbon

EPR/Carbon

EPR/Carbon

Buna/Carbon

Viton/Carbon

Seats

EPR/Ceramic

EPR/Ni-Resist

EPR/Ni-Resist

Buna/Ceramic

Viton/Ceramic

Ball bearing

#206

#206

#206

#206

#206

Optional "O" Ring Materials include: EPR, Neoprene, Teflon

Optional Seal Materials include: GLSC/GLSC, Teflon Seal Type 9 Code QP-1C1, Balanced Seals

Optional Materials include: 316 SS Shaft, Teflon Coated Rings

Other Options and Accessories include: Seal Flush Lines, Seal Flush Taps, Pressure Relief Valves, Self Priming Attachments

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