Sealing Solutions by Industry

Pulp & Paper

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We are recognized experts in sealing for the pulp and paper industry, and we will help you meet your reliability goals.

Industry Challenges

For over 40 years, we’ve developed tried and true products that have improved the reliability of pulp and paper mills. Every product is backed by proven installation, inspection, and troubleshooting procedures that are proven to prolong the life of your equipment. We are especially adept at handling large capital equipment such as digesters.

We offer sealing solutions and field inspections for pulp mill service, bleaching service, condensate, paperstock, evaporator and recovery boilers, high pressure liquor services, knife gate services, soot blowers, and CLO2 services.



Our Solutions

Compression Packing

Multi-Lok braided high-purity carbon fibers made from a PAN base, with a minimum carbon content of 95.0%. (Staple fibers from PAN produce a...

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Carbon Packing Braided Through with PTFE
Style: ML4461
SEPCO® FG4 fiberglass packing is constructed with a square braided from the texturized filament and inorganic flexible glass fibers. This...

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Fiberglass Braid - Untreated
Style: FG4
SEPCO® ML4002 is an exceptional compression packing product specifically engineered to provide high performance and reliability to your...

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GFO Packing Certified by W.L. Gore [100%]
Style: ML4002
Proprietary carbon fiber is braided to operate in extreme conditions. Because of its high thermal conductivity and lubricity, this packing...

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High Performance Braided Carbon Packing
Style: ML560
The HydraSave Packing System includes Multi-LokTM braided carbon packing rings, high-purity graphite rings, and an optional...

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HydraSave Packing System
Style: HDS
Multi-LokTM braided flexible graphite packing is bonded to a fiberglass carrier for strength and thermal stability. It has no added...

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ML2001 Multi-Lok Flexible Graphite Packing
Style: ML2001
Finely ground particles of the highest quality graphite in a PTFE matrix to control graphite migration. It is effective in all equipment,...

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ML4002HC Graphite
Style: ML4002HC Graphite Packing
ML2240 provides a softer and more flexible packing with shaft speeds up to 3,300 feet per minute (fpm). It performs well in color-sensitive...

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SEPCO Exclusive High-Performance PTFE Packing
Style: ML2240
The special impregnation procedure fills all voids throughout the body of the packing with PTFE dispersion. A superior general-purpose...

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Spun Aramid Packing with PTFE Treatment
Style: ML6225
SS574 Multi-Lok packing is made of continuous filament polyimide, and PTFE fibers impregnated with PTFE dispersion during braiding. It is...

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SS574 Packing
Style: SS574
The SuperCut from SEPCO® gives compression packing installers the ideal tool to cut braided rings easily and precisely. It cuts up to a...

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SuperCut Packing Cutter
Style: SuperCut

Mechanical Seals

Designed for light to medium duty services in ANSI plans 7352 and 7353 for the chemical, food, pharmaceutical, pulp and paper, water and...

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Convection Tanks
Style: A1C Convection Tank
The SEPCO® DTP is a multiple, cartridge-mounted mechanical seal. Rugged and dependable, the DTP is ideal for closed-loop convection...

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Double Tandem Pumper
Style: Double Tandem Pumper (DTP)
The SEPCO ESD is a back-to-back multiple seal designed for application where positive lubrication is required from an external flush...

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Externally Set Double Seal
Style: ESD
The SEPCO SAS is an engineered pneumatic sealing system designed to seal the shafts of equipment where typical contact seals, such as...

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SAS Air Seal
Style: SAS Air Seal
With two shaft-supporting bushings and a lantern ring, the SAS-P is a noncontact tandem seal that uses air to seal and water to flush and...

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SAS-P System for Centrifugal Pumps
Style: SAS-P System for Centrifugal Pumps
This high-performance, synthetic barrier fluid is the workhorse of seal lubricants. It meets most barrier and buffer fluid needs within...

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SEPCO STL-5 Barrier Fluid
Style: SEPCO STL-5 Barrier Fluid
The SEPCO SRC is a single internal cartridge mounted rotary seal designed for general service applications.

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Single Rotary Cartridge Seal
Style: SRC
The SEPCO UMC is a stationary design multiple spring double seal used where leakage of hazardous or costly procucts cannot be tolerated and...

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Unitized Multiple Cartridge Seal
Style: UMC
The SEPCO USC is a single internal cartridge mounted stationary seal with a restriction bushing for the use of a quench and drain for...

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Unitized Single Cartridge Seal
Style: USC
The SEPCO® XR2 is easily assembled with only two halves. O-rings and gaskets are factory installed and do not require user attention. This...

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XR2 Split Seal
Style: XR2 Split Seal

Gasketing Materials

Manufactured from 98% minimum pure graphite with a 0.002" thick 316 stainless steel insert that reduces gasket handling damage and...

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Compressed Graphite Sheet with 316 Stainless Steel Insert
Style: 500
Compressed gasket sheet manufactured from synthetic fibers and a nitrile binder. Handles the highest temperature and chemical resistance of...

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Compressed Sheet with Nitrile Binder
Style: 6234
A 100% pure PTFE joint sealant used in virtually any gasketing application. Adhesive backing allows for easy installation, and the material...

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PTFE Joint Sealant
Style: Tetracord 5031

Bearing Protection

EXP is a true non-contact bearing isolator that utilizes a dual expeller to create centrifugal force and prevent contamination. Statically,...

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EXP Bearing Isolator
Style: EXP Bearing Isolator
EXP-FL Bearing Isolator includes all the benefits of a standard EXP with the adaptation for flange-mounted applications where pressing the...

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EXP-FL Bearing Isolator
Style: EXP-FL Bearing Isolator
EXP-GB is designed for applications where a positive seal is required because of flooded conditions. A positive seal is created within the...

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EXP-GB Bearing Isolator
Style: EXP-GB
EXP-PB Bearing Isolator includes all the benefits of a standard EXP with an adaptation to mount within the existing LER/LOR ring grooves of...

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EXP-PB Bearing Isolator
Style: EXP-PB Bearing Isolator

High Performance Plastics

SEPCO’s Thermex line of polymer products offers everything from general service materials to ultra-high-performance polymer...

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SEPCO Thermex Polymer Plastics
Style: SEPCO Thermex Polymer Plastics
Inspired by a special request from a valve manufacturer, SEPCO is pleased to announce that its Plastics Division, based in Texas,...

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Thermex Valve Components
Style: Thermex valve components
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