Mechanical Seal Style RKCS

Single Heavy Duty Multi-spring Slurry Cartridge Seal

Also available as a dual cartridge seal

With four (4) configuration options all incorporating additional engineered features such as reverse pressure capability, non-clogging multi-springs, rugged seal drive operation, and hydraulically balanced faces, the RKCS single and RKCD dual seals successfully contend with the industry’s toughest slurry challenges.

Mechanical Seal Style RKCS

Features

RKCS Version A

RKCS Version A

Integral Spring Shield is manufactured from a flexible and durable material to effectively shield the springs from debris and slurry during operation. Compatible with API 682 Plan 32. Flush connection optional.

RKCS Version B

RKCS Version B

(For grease-filled operation)

Addition of bolt-on lip seal assembly and two (2) additional O-rings. Compatible with API 682 Plan 32. Flush connection optional.

RKCS Version C

RKCS Version C

(Quench operation)

Fluid Guide Sleeve added to Version B to support the effective removal of debris during quench operation. Compatible with API 682 Plan 32. Flush connection optional.

RKCD (Dual Seal)

RKCD (Dual Seal)

A dual seal option designed for the most rigorous slurry processes. In addition to Version C’s Fluid Guide Sleeve, this option is engineered for optimum service when paired with either an API 682 Plan 53A buffer or API 682 Plan 54 barrier fluid seal support system.

Specifications

Materials of Construction

Inboard Faces: Ni-B Tungsten Carbide, Sintered Silicon Carbide, Graphite Loaded Silicon
Outboard Faces: Antimony Impregnated Carbon, Silicon Carbide
Elastomers: FKM standard
Other materials available by request
Springs: Alloy C276
Metallurgy: 316 SS with Alloy 255 or High Chromium Iron wetted

Note: Other materials available by request.

Operating Parameters

Shaft Sizes: Up to 20.0” (508 mm)
Product Pressure: 500 psi (34.5 bar)
Temperature: -4° to 425°F (-20° to 218°C)
Speed: Up to 3600 fpm (18.3 m/s)
Viscosity: Up to 2500 cP (2.5 Pa*s)

Note: Maximum viscosity/temperature/speed/pressure indicates operating extremes independently and does not imply the seal will function at these extremes at the same time.

Downloads

For more information on the RKCS

Quote Request

Depending on your specific needs and application, Flexaseal can help you identify the ideal products. Contact us to tell us about your needs and request a quote.