N Line / PS Replacement Line
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537c
537c
Item #N/A
View ProductSingle Spring Mechanical Seal 537c | PS-537 Equivalent
Equal to industry standard number 537 / PS-537
Shaft size: 2-1/8″ single spring mechanical seal with 3.000″ x .562″ cup seat, 2.776″ rotary OD, 2.375″ working length
Crimped rotary head type N-22. Utilized in centrifugal pumps, mixers, rotating equipment, and further apparatus.
Interchange / replacements:
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Equivalent to Pac-Seal T-21 (long working length) and Burgmann MG9
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Can replace Type E and Type 1 in many applications (confirm dimensions)
Design & construction:
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Electro-polished 304 stainless steel metal parts
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Elastomeric bellows for stable sealing and easy installation
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Independent of shaft rotation
Material options (select above):
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CAR/CER/NIT — Carbon/Ceramic, Nitrile elastomers
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CAR/CER/VIT — Carbon/Ceramic, Viton® elastomers
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SIC/SIC/VIT — Silicon Carbide/Silicon Carbide, Viton® elastomers
Please click “specifications” below for OEM numbers and Pump Nameplate Data
Have questions? Check out our Single Spring Seal Guide or call us anytime—we’re here to help.
Explore our full lineup of Single Spring Seals—PS replacements, pool/spa seals, and our SPS line.
Looking for more? Shop Pump Repair Kits, Parts & Accessories, and Gaskets.
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745c
745c
Item #N/A
View ProductSingle Spring Mechanical Seal 745c | PS-745 Equivalent
Equal to industry standard number 745 / PS-745
Shaft size: 1-5/8″ single spring mechanical seal with 2.375″ x .500″ cup seat, 2.185″ rotary OD, 2.000″ working length
Crimped rotary head type N-22. Utilized in centrifugal pumps, mixers, rotating equipment, and further apparatus.
Interchange / replacements:
-
Equivalent to Pac-Seal T-21 (long working length) and Burgmann MG9
-
Can replace Type E and Type 1 in many applications (confirm dimensions)
Design & construction:
-
Electro-polished 304 stainless steel metal parts
-
Elastomeric bellows for stable sealing and easy installation
-
Independent of shaft rotation
Material options (select above):
-
CAR/CER/NIT — Carbon/Ceramic, Nitrile elastomers
-
CAR/CER/VIT — Carbon/Ceramic, Viton® elastomers
-
SIC/SIC/VIT — Silicon Carbide/Silicon Carbide, Viton® elastomers
Please click “specifications” below for OEM numbers and Pump Nameplate Data
Have questions? Check out our Single Spring Seal Guide or call us anytime—we’re here to help.
Explore our full lineup of Single Spring Seals—PS replacements, pool/spa seals, and our SPS line.
Looking for more? Shop Pump Repair Kits, Parts & Accessories, and Gaskets.
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754c
754c
Item #N/A
View ProductSingle Spring Mechanical Seal 754c | PS-754 Equivalent
Equal to industry standard number 754 / PS-754
Shaft size: 1″ single spring mechanical seal with 1.625″ x .437″ cup seat, 1.547″ rotary OD, 1.625″ working length
Crimped rotary head type N-22. Utilized in centrifugal pumps, mixers, rotating equipment, and further apparatus.
Interchange / replacements:
-
Equivalent to Pac-Seal T-21 (long working length) and Burgmann MG9
-
Can replace Type E and Type 1 in many applications (confirm dimensions)
Design & construction:
-
Electro-polished 304 stainless steel metal parts
-
Elastomeric bellows for stable sealing and easy installation
-
Independent of shaft rotation
Material options (select above):
-
CAR/CER/NIT — Carbon/Ceramic, Nitrile elastomers
-
CAR/CER/VIT — Carbon/Ceramic, Viton® elastomers
-
SIC/SIC/VIT — Silicon Carbide/Silicon Carbide, Viton® elastomers
Please click “specifications” below for OEM numbers and Pump Nameplate Data
Have questions? Check out our Single Spring Seal Guide or call us anytime—we’re here to help.
Explore our full lineup of Single Spring Seals—PS replacements, pool/spa seals, and our SPS line.
Looking for more? Shop Pump Repair Kits, Parts & Accessories, and Gaskets.
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758c
758c
Item #N/A
View ProductSingle Spring Mechanical Seal 758C — 1-1/2″ | PS-758 Equivalent
Equal to: Industry standard 758 / PS-758
Typical applications: Centrifugal pumps, mixers, and other rotating equipment.
Key specs: Shaft size: 1-1/2″ single spring seal • Seat: 2.125″ x 0.437″ cup • Rotary OD: 2.067″• Working length: 1.125″
Design & construction:
Crimped rotary head (Type N-11)—similar to industry Type C / 21; can also replace Type D / 2 with a simple spring change (in most cases). Electro-polished 304 stainless steel metal parts. Elastomeric bellows. Non-directional (independent of shaft rotation).
Materials available (choose from dropdown)
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CAR/CER/NIT — Carbon vs. Ceramic faces, Nitrile elastomers
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CAR/CER/VIT — Carbon vs. Ceramic faces, Viton® elastomers
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SIC/SIC/VIT — Silicon Carbide vs. Silicon Carbide faces, Viton® elastomers
Please click “specifications” below for OEM numbers and Pump Nameplate Data
Have questions? Check out our Single Spring Seal Guide or call us anytime—we’re here to help.
Explore our full lineup of Single Spring Seals—PS replacements, pool/spa seals, and our SPS line.
Looking for more? Shop Pump Repair Kits, Parts & Accessories, and Gaskets.
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844c
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978c
978c
Item #N/A
View ProductSingle Spring Mechanical Seal 978C — 1-1/4″ | PS-978 Equivalent
Equal to: Industry standard 978 / PS-978
Typical applications: Centrifugal pumps, mixers, and other rotating equipment.
Key specs: Shaft size: 1-1/4″ single spring seal • Seat: 1.765″ x .365″ • Rotary OD: 1.787″ • Working length: 1.062″
Design & construction:
Crimped rotary head (Type N-33)—equivalent to Pac-Seal T-21 (tapered spring) and Burgmann MG9, can replace seal type D & 2 type seal heads. Tapered spring for wide base to fit over impeller hub or other similar feature. Electro-polished 304 stainless steel metal parts. Elastomeric bellows. Non-directional (independent of shaft rotation).
Materials available (choose from dropdown)
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CAR/CER/NIT — Carbon vs. Ceramic faces, Nitrile elastomers
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CAR/CER/VIT — Carbon vs. Ceramic faces, Viton® elastomers
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SIC/SIC/VIT — Silicon Carbide vs. Silicon Carbide faces, Viton® elastomers
Please click “specifications” below for OEM numbers and Pump Nameplate Data
Have questions? Check out our Single Spring Seal Guide or call us anytime—we’re here to help.
Explore our full lineup of Single Spring Seals—PS replacements, pool/spa seals, and our SPS line.
Looking for more? Shop Pump Repair Kits, Parts & Accessories, and Gaskets.
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