O-Ring Mechanical Seal (B8-1)

• Structure: Single End
• Pressure: Medium Pressure Mechanical Seals
• Speed: General Speed Mechanical Seal
• Temperature: Temperature Mechanical Seal
• Performance: Temperature
• Standard: Standard
• Model NO.: 8-1
• Balance: Unbalanced
• Transport Package: Paper Box
• Specification: inch size
• Origin: China
• HS Code: 84842000
• Production Capacity: 50000

Product Description

Alternative to:
John Crane 8-1 seal / AESSEAL M01S seal / Sterling 290S seal / Vulcan 1609S seal

A p p l i c a t i o n s
General industrial applications including chemical processing, food and
beverage, petrochemical processing,
pharmaceutical, pipeline, power
generation and pulp and paper.
Compact design permits use in all
types of rotating equipment centrifugal
pumps, mixers and agitators.
Seals can be repaired easily on-site
or at any John Crane Seal Rebuilding
Center, and/or converted to wedge
type seals for broader service
capabilities.
O p e r a t i n g C o n d i t i o n s
Temperatures: -40˚C to 260˚C/
-40˚F to 500˚F
depending on
materials used
Pressures: Up to 24 bar g/350 psig
For hydrostatic pressure
limits, refer to Chart 8.
Speeds: 25 m/s/5000 fpm
Note: For applications with speeds







greater than 25m/s/5000 fpm,
a rotating seat (RS) arrangement is recommended.
S-8-1/8-1T-A
8-1/8-1T
INCH RANGE
8-1/8-1T
ELASTOMER O-RING SEALS
Rugged mechanical seals are available in
a wide variety of elastomers for handling
practically every industrial fluid. All components are held together by a snap ring
in a unitized construction design.


Multiple Spring seal with a highly
effective design, commonly used in
chemical and petro-chemical duties.
These seals are frequently fitted with
the Type 25 seat.
Standard Type 1609 incorporates a
PTFE Wedge secondary seal, with the
alternative 'O'-Ring Type as 1609S.