Replace john crane SB1 single cartridge seal
The SB1 cartridge seal fits in various pumps as well as in other processing equipment. The SB1 seal is versatile, and easy to install and maintain.
Parameters
TEMPERATURE LIMITS
250°F/120°C
PRESSURE LIMITS
Type SB1 process pressure: 215 psi(g)/15 bar(g)
65fps/20m/s
STANDARD MATERIALS
Seal faces: SiC/Carbon or SiC/SiC
O-rings: PTFE, EPDM, Viton, FFKM
Metals: AISI 329 and 316 standard, SAF 2507 for sea water applications, titanium, Hastelloy, UHB
Springs: Nimonic steel or Hastelloy, C276
Our SB1 single cartridge seal is excellent replacement of john crane type SB1 seal.
The Safeseal Type SB1 is a single-cartridge seal for use with clean fluids and lubricants.
It is versatile and easy to install and maintain. Although the design of the seal is simple,
it contains advanced technical features, such as patented seal face holders and elastic
mating ring. Seal faces are installed using a patented heat shrink process ensuring
correct, distortion-free face alignment at all recommended temperatures. The Type SB1
seal is applicable for a wide range of duties such as water, oil, solvents and pulp.
Future
The springs are located in the stationary body of the seal, reducing risk of the springs
becoming clogged.PTFE slot rings replace the traditional O-rings in places where they are
exposed to the product, preventing sticking.Protected faces, the seal face carriers are
driven by machined fits, preventing metal stress from distorting the face.
John
Crane's Safeseal Type SB1, patented with safematic technology, is a
single heavy-duty cartridge seal used in combination with clean fluids
and lubricants. The seal's design is just simple, it has advanced
technical features such seal face holders and elastic mating ring. For
this specific version, the SB1 seal covers a broad range of liquids such
as water, oil, solvents and pulp.
The safeseals comes with different versions for specific services such
as the Type SB1 which measures in metric units (DIN), another is Type
SB1A which measures for imperial units (ANSI), next is Type SB1B for
imperial units for big box bore pumps and lastly Type SB1S for imperial
or metric units.
