Type JCS1

Integrated Single Seal for Demanding Conditions

Safeseal JCS1 is a rugged, pump-integrated single seal designed for clean and lubricating fluids such as water, oils, solvents and low-consistency paper stocks. The JCS1 seal is easy to install from the impeller side. JCS1 is very advanced in its technical capabilities, including a patented drive mechanism for seal faces and self-aligning, elastically mounted thrust ring.

The JCS1 is originally designed for Sulzer AHLSTARUP pumps and later expanded to cover Andritz process pumps and other equipment.

Several variants of the design available for different services:

CS1F - Single application-specific seal with flush into the medium
JCS1A - Single application-specific seal for Sulzer liquid ring pumps and Andritz ACP pumps
JCS1M - Single application-specific seal for Sulzer multistage pumps
JCS1G - Single application-specific grease seal
JCS1FM - Single application-specific seal with flush into the medium for Sulzer multistage pumps

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Features
Parameters
Recommended Applications
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Features

California Residents: PROPOSITION 65 WARNING
Balanced design provides undisturbed operation even with sudden pressure shocks.
Single spring on atmospheric side located in the stationary part of the seal. Material is corrosion-resistant. Shaft misalignment does not pulsate the spring or wear out the O-ring.
No measurements required for installation. Easy installation reduces risk of human error.
Seal installation does not require back plate removal, and the seal is fastened with one bolt which guarantees fast, trouble-free installation.
Torque transmission with super-elastic devices combined with no drive pins at seals faces. Seal faces do not crack at start-up.

Parameters

Temperature Limits: JCS1 up to 194°F/90°C
JCS1F up to 250°F/120°C
Pressure Limits: 225 psi(g)/16 bar(g)
Speed Limits: 65fps/20m/s
Standard Materials: Seal faces: SiC/Carbon or SiC/SiC
O-rings: PTFE, EPDM, Viton
Metal parts: EN 1.4436/1.4460 (AISI 316/329)
Springs: EN 1.4436 (AISI 316)