Standard Parallel Seal Types:

 

Type 95, 96 and 97 Parallel Seals

These are the standard series 9x range, supplied with either solid or inserted rotary face, in a wide variety of face and elastomer materials. All types provide a positive drive to the rotary face, by a heavy duty spring, which is supplied either with left or right-hand wound springs, depending on whether clockwise or anti-clockwise shaft direction. Three Parallel Seal versions are available and vary only by the method of providing the drive to the rotary seal face.

• Type 95 – Drives directly from shaft
• Type 96 – Consists of the Type 95 components with the addition of a split ring and washer for simple shaft abutment
• Type 97 – Consists of the Type 95 components with the addition of a grub screw drive collar

Type 98 Parallel Seals

Heavy duty, single spring, pusher type seal, supplied with either solid or inserted rotary face, in a wide variety of face and elastomer materials. Seal is driven by a grub screw collar, similar to the Type 97. The Type 98 design is unique compared to Type 95, 96 and 97, as it designed to suit different housing sizes and is supplied with a double ‘O’-Ring stationary seat, as standard.

 

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Standard Wave Spring Seal Types:

 

Types 1677 and 1677M ( Wave Spring Mechanical Seals)

The Type 1677  is a positively, driven wave spring seal, utilising crest to crest wave spring technology, offering excellent axial movement capabilities. The seal is radially compacted and designed to suit DIN24960 (EN12756). The design of this seal head enables easy utilisation of a wide range of high quality materials and elastomers, supplied as standard. Type 1677M differs in having a Monolithic seal head, for optimal heat dissipation and sealcapability / performance.

Type 1678 ( Wave Spring Mechanical Seals)

Designed as per the Type 1677 but with a stepped face, to provide a balanced seal for stepped shafts

Types 1688 ( Wave Spring Mechanical Seals)

The robust wave spring seal is ideally suited for standard, rotary lobe pump, glands, of compact design. The seal is positively driven by grub screws and supplied from Abbey Seals with Monolithic seal heads, in soft and hard face materials as our standard.

 

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Standard Water Pump Seals Types:

 

Water Pump Seals – Types 60 and 65

Sleeve mounted, rubber bellows seals of compact unitised design. Suitable for small shaft diameter, general low pressure applications. These rubber driven, rotary seal types are easily fitted and mass produced, under Abbey Seals’ stringent quality procedures.

Water Pump Seals – Types 70 and 75

Stationary based, unitised elastomer bellows seals, utilised in small shaft diameter applications. Compact, unitised design, provides excellent flexibility in accommodating shaft mis-alignment and with quality seal face materials, to extend seal performance and life. The adequate shaft clearance enables one size to be used on a number of shaft sizes, whilst being stationary based increases the seals bi-directional rotational speed capabilities

Water Pump Seals – Types 18

Enclosed rubber bellows seal, with short axial fitting length, ideal for equipment where space is restricted. In addition to the standard Carbon face, Abbey Seals also offer hard face alternatives for more demanding applications. The seal is also fitted with an internal plug as standard to aid assembly, this should be removed before the seal is installed

 

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Standard Seat Seal Types:

 

TYPE 8DIN SHORT/LONG ‘O’-RING SEATS:

Common ‘O’-Ring mounted stationaries to suit EURO-DIN housing sizes, designed to provide a wide range of compatibility with Abbey Seals rotary seal types. Type 8DIN LONG has an anti-rotation pin provision and is recommended particularly for larger shaft sizes and / or more viscous media. Type 8DIN SHORT is a standard short EURO-DIN seat with no pin slot.

TYPE 24 SHORT/LONG ‘O’-RING SEATS:

Common O-Ring mounted stationaries to suit DIN housing sizes, designed to provide a wide range of compatibility with Abbey Seals rotary types. Type 24DIN LONG has anti-rotation provision and is recommended particularly for larger shaft sizes and / or more viscous media. Type 24DIN SHORT is a standard short DIN seat with no pin slot.

STANDARD ‘O’-RING MOUNTED SEATS:

Common Abbey Seals O-Ring mounted designs without anti-rotation provision, to suit common European housing sizes including DIN. These are industry standard seats, commonly specified for Conical Spring Seals on general duties. However, consideration should be given to using long-style seats, with anti-rotation provision, should the conditions necessitate.

TYPE 21/31 NON-DIN ‘O’-RING SEATS:

O-Ring mounted, monolithic ’H’- configuration stationeries, to suit common European housings (Type 21) or common American (Type 31) housing dimensions.These stationeries provide the benefits of both a short fitting length with a rear face pinhole and thus of being able to be pinned throughout the size range. This provides an optional anti-rotation feature within a seat of short operational length.

TYPE 32 PUSH-FIT “BLOCK” SEATS:

Monolithic stationary ring, with an O-Ring installed in a radial groove outside of the stationary ring. This method of installation allows direct contact between the back of the stationary ring and the pump housing. This design of stationary promotes efficient heat transfer, from the seal faces and the seat ring, to the pump body. Making this seat design ideal for higher temperature media duties. The anti-rotation provision is recommended on this Type 32.

TYPE 23 P.T.F.E. BOOT MOUNTED SEATS:

‘L’-Shaped P.T.F.E. boot-mounted stationary, to suit common American housing sizes. Due to the low-friction nature of P.T.F.E., this stationary seat has necessarily been designed with an anti-rotation provision, and it is recommended to ensure this is utilised. Widely utilised in chemical process equipment, due to the exceptional chemical resistance that can be provided.

DIN/NON-DIN BOOT MOUNTED SEATS:

Common Abbey Seals boot-mounted stationary designs, to fit and suit a variety of international housing and working length standards. Boot-mounted stationeries offer optimum cost and performance benefits. The ribbed profile and increased elastomer contact area with the housing is often preferred. Please specify the actual shaft size code required when ordering, as a seat separate to the seal, as each size has a unique I.D.

TYPE 25 GASKET CLAMPED “V” SEATS:

The Type 25 stationary is an industry standard design with a “T”-shaped profile. Supplied complete with two P.T.F.E. flat gaskets, for clamping as illustrated. The Type 25 is designed for medias that are aggressive towards elastomers, and is widely utilised with Type 1609/1645/1659 series multi-spring rotaries. For shaft sizes up-to 1.000”/25mm; please add 1.60mm to dimension L2 for the gaskets width, similarly add 3.20mm for shaft sizes 1.125”/28.00mm and above.

 

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Standard Diaphragm Mechanical Seal Types:

 

Diaphragm Seals – Types 10, 20 and 20H:

Parallel spring, rubber diaphragm seals to common industry standard dimensions. Fitted as standard with Type 20 boot mounted seats, Type 20H has a Type 21‘O’-Ring mounted stationary.

Diaphragm Seals – Types 11,11J and 22:

Much like Type 10,20 and 20H , to common American standard dimensions, fitted with a Type 11 boot  mounted seats, or Type 11J has a Type 31 O-Ring mounted seat.

Diaphragm Seals – Types U11/N11:

Type 11, but to full ANSI compatibility, through incorporating a narrow profile seal design.Type U11 utilises the same seal head internal design as our Type 24, whilst Type N11 incorporates an elastomer resiliently mounted ring face.

Diaphragm Seals – Types 24 Series:

As Types U11 and N11 but to full DIN24960 (EN12756) dimensions, L1K-length. Type 24 is supplied with a Type 24 boot mounted seat as standard. You should specify Type 24S, if a Type 24.DINS stationary is required and Type 24L for the Type 24.DINL stationary.

 

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Standard Conical Seals Types:

 

Conical Seals – Types 8, 8DIN, 8DINS, 82 and 126:

Inserted rotary faced, O-Ring mounted, conical spring shaft seals suit standard European or DIN fitting dimensions. The Type 82 is a stepped shaft balanced version of type 8DIN. Type 126 is a type 8DINS seals and seat assembly modified to DIN24960 (EN12756) L1K working length that is also available with Monolithic Stainless Steel Head.

Conical Seals – Types 8B and 126:

O-Ring Mounted, conical spring seals seals very similar to Type 8, except with a monolithic Stainless Steel Head and a Carbon Stationary. Type 126 Is To Full DIN24960 ( EN12756) Dimension Compatibility, L1K Working Length.

Conical Seals – Type 9:

Conical spring, O-Ring mounted seals, with a Monolithic seals head and type 8.STD stationary.

Conical Seals – Type 12 and Type 12DIN:

O-Ring Mounted, conical spring seals available with a Monolithic Stainless Steel Head as standard, or an inserted SiC/T.C ring face.

Conical Seals – Type 13 and Type 13DIN:

O-Ring Mounted, conical spring seals with a pressed in O Ring mounted, rotary face enabling face material interchange ability, to suit common European or DIN dimensions.

Conical Seals – Type 7D:

O-Ring Mounted, conical spring seals with a pressed in O Ring mounted, rotary face, with a machined head retainer. Supplied as standard with type 7D stationary to suit DIN housings.

 

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Standard Bellows Seals  Types:

 

Type 14DIN series:

Universal compact DIN seals to suit three standard DIN working lengths.

Type 19 Series:

Robust bellows seal with non-DIN cross-section, available in three standard DIN working lengths and with stationaries to suit all common European housing sizes.

Type 1511/1511J:

Compact DIN profile, ANSI-compliant, bellows seals to suit the most common, American standard working lengths, with a choice of boot or ‘O’-Ring stationaries to suit American housing sizes.

Type 1520:

DIN profiled bellows seal to suit common European working length and housing sizes. Seal has same working length and seat as the Abbey Seals Type 20 and Type A2 seals.

Type 1724 Series:

Metal encased, rubber bellows seals to full DIN24960 (EN12756) L1K compatibility. The Abbey Seals seal face is retained to avoid damage during seal installation, a common problem with competitor seal designs.

 

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The Balanced Diaphragm Seals Ax range seals are hydraulically balanced to a recognised industry standard, to reduce heat and friction at the seal interface. This allows for higher operating parameters to be achieved and prolongs seal life.

 

The Balanced Diaphragm Seals Ax seal family includes a bellows disk, as a standard design feature. This component provides radial support to the bellows, ensuring no bellows / shaft contact, which could result in seal wear and possible hang-up. Without the disk, the bellows ID’s are very close to the shaft and can be problematic, due to bellows extrusion and shaft contact / friction.

 

The flexible bellows compensates for primary seal face wear and machinery misalignment, such as shaft end float. The Ax bellows contains an additional drive ring supporting lip, to ensure that the drive ring is held in a positive position, away from the bellows.

Types A2 to A5 seal retain the base plates on the coil as standard, providing support during seal fitting.

The Abbey Seals seal face is retained by inert grease and NOT glue. Some seal suppliers chose to utilise glue which can create a leakage path, and upon chemical attack, the glue can migrate into seal components and product.

 

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