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Product Category: Seals
OEM and Special Duty Seals - Pac-Seal

Pac-Seal elastomeric bellows component seals are designed to meet a wide variation of applications.

Flowserve believes seal excellence starts with superior design and materials. That's why Pac-Seal mechanical seals are made with using the latest engineering technology to analyze and design solutions for our customer’s most challenging applications. Our experience with diverse materials including elastomers, plastics, exotic alloys and seal face materials makes Pac-Seal mechanical seals an industry leader focused on total cost of ownership.

Brand: Pac-Seal

OEM and Special Duty Seals - PL Series

The PL-Series of seals are pre-engineered single and dual cartridge seals with nonmetallic wetted components for use in highly corrosive chemical services where the alternative cost of high alloy metal seals is prohibitive.

OEM and Special Duty Seals - PSS 4

Advanced technology semi-cartridge split seal for pump and mixer applications. The PSS 4 split seal, with intrinsic joint alignment technology, provides the easiest and most successful installation routine to make reduced equipment downtime and increased reliability... routine.

Brand: Flowserve

OEM and Special Duty Seals - PSS III

The PSS III is the ultimate semi-cartridge split seal for pump and mixer applications. The next generation of split seal technology combining ease of installation and improved process containment, the PSS III is ideal for installations striving to increase production capacity through reduced equipment down time.

Brand: Flowserve

Pusher Seals - CRO

A simple, proven and rugged design with dependability that has made it a favorite choice of maintenance personnel to seal ANSI chemical pumps. An economical, single coil spring, friction drive seal for use in ANSI chemical pumps with packing box seal chambers.

Pusher Seals - DHTW/UHTW

DHTW and UHTW pusher-type mechanical seals are custom engineered to deliver exceptional reliability in high energy, critical pumping applications. DHTW and UHTW seals are balanced, flexible stator cartridge seals available in single or dual seal configurations.

Brand: Flowserve

Pusher Seals - Europac

Single, unbalanced single wavy spring seal designed according the metric DIN 24960 standard to L1k. This seal is applied on a wide range of duties, primarily in the chemical industry where DIN standard pumps are used. Standard face materials according DIN coding.

Pusher Seals - HSH

HSH seals are built for extended reliability in high pressure, high speed and highly viscous services such as mainline crude oil pipeline pumps. HSH seals are balanced, flexible stator cartridge seals with drive mechanisms and seal face geometries engineered for high torque loads and long-term performance. The HSH seal is fully compliant with API 682 Type A requirements.

Brand: Flowserve

Pusher Seals - QB

QB Series seals are balanced pusher seals available in single and dual seal configurations used for sealing environmentally-restricted products and meeting the most stringent regulations. The QB Series is fully compliant with API 682 Type A requirements.

Brand: Flowserve

Pusher Seals - RA

A single balanced seal designed to mount outside the seal chamber. No wetted metal parts (RA-C) reduce seal costs for highly corrosive services, especially on non-metallic pumps. Installs easily on the outside of the seal chamber and is suitable for metallic and nonmetallic equipment such as plastic, glass, and lined designs.

Pusher Seals - RO

A simple, proven and rugged design with dependability that has made it a favorite choice of maintenance personnel to seal ANSI chemical pumps. Heavy cross sections of the rotary components resist high levels of corrosion. Utilizing a simple rugged open rotary unit design, aggressive, abrasive and viscous fluids can be sealed easier than with other ANSI seal types that incorporate shrouded spring rotaries.

Pusher Seals - U/D Series

UC Series seals are balanced pusher seals with a substantial single coil spring that provides exceptional performance in the most demanding services including refineries, pipelines, and petrochemical services. UC seals are fully compliant with API 682, Type A requirements.

D Series seals are based on the UC Series, and add a pumping ring built into the rotating seal face body that establishes an exclusive Plan 23 cooling chamber around the seal faces. D Series seals excel in high temperature boiler feed water and hot hydrocarbon services.

Brand: Flowserve

Seal Support Systems - Barrier Systems

Liquid lubricated, dual mechanical seals require an external source of fluid. A properly selected supply tank system eliminates the need to connect to a distant and sometimes unreliable barrier fluid source. Flowserve offers a complete line of standard reservoirs for a wide range of sealing applications and custom designed supply tank systems based on your specifications.

Brand: Flowserve

Seal Support Systems - Circulators

Liquid-lubricated dual mechanical seals require an external source of fluid. A properly selected circulation system eliminates the need to connect to a distant and sometimes unreliable pressure source and creates barrier fluid flow when the seal cannot induce flow. Flowserve offers a complete line of standard circulators for a wide range of sealing applications and custom designed circulation systems based on your specifications.

Brand: Flowserve

Seal Support Systems - Fill Cart

Refill the reservoir in operation without pump downtime or venting unwanted gases to atmosphere.

Brand: Flowserve

Seal Support Systems - Gas Panels

Buffer/Barrier gas panels combine flow monitoring and control elements in a self-contained, easy to use unit.

Brand: Flowserve

Seal Support Systems - Piston Accumulators

A piston accumulator is a 'pressure multiplier' used in Plan 53C assemblies which generates barrier pressure for double liquid seals from product pressure. It is used where the pressure in the pump fluctuates, or the inboard seal pressure differential must be limited.

Brand: Flowserve

Seal Support Systems - Reservoirs

Liquid lubricated, dual mechanical seals require an external source of fluid. A properly selected supply tank system eliminates the need to connect to a distant and sometimes unreliable barrier fluid source. Flowserve offers a complete line of standard reservoirs for a wide range of sealing applications and custom designed supply tank systems based on your specifications.

Brand: Flowserve

Seal Support Systems - Seal Coolers

Seal coolers are used in high temperature applications to reduce the sealing temperature thereby enhancing and increasing the MTBF of the equipment.

Brand: Flowserve

SEB Solids Excluder Bushing

Used with a Flowserve mechanical seal, the SEB solids excluder bushing reduces the amount of flush required and clears solids from the stuffing box to provide the seal with a cleaner operating environment that reduces operating costs and improves mean time between planned maintenance (MTBPM).

Brand: Flowserve

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