API 682 4th Edition
Category 2/3 - 1CW - FL

SB Single Seal
Category 2/3 1CW-FL

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Mechanical Seals

SB Single Seal

API 682 4th Edition Category 2&3
Seal Type A (Stationary)
Configuration 1CW-FL (Contacting Wet – FLoating throttle bushing)

Product Description

  • API 682 Category 2 and 3, Type A, Arrangement 1 seal
  • Single seal configuration
  • Balanced design
  • Independent of direction of rotation
  • Cartridge construction
  • Stationary design with multiple springs
  • Designed with integrated pumping device for increased efficiency in circulation
  • Robust construction with shrink-fitted seal face
  • Heavy duty design of solid seat
Details
Item No. Description
1 Seal Ring
2,6,8,12,13 O-ring
3,16, Spring
4 Back-up ring
5 Mating ring
7 Multi-flow distributor
9 Sleeve
10 Set screw
11 Shaft sleeve
14 Gland
15 Throttle bushing
17 Washer
18 Shrink Disc
19 Setting plate
20 Hexagon bolt
F Flush
Q Quench
D Drain

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Sealmatic Seals
Sealmatic Seals
Technical Features
  • Accommodates shaft deflections due to stationary design
  • Can be designed for individual pump application with corresponding connection parts to be adopted to the pump seal chamber
  • Optimum heat dissipation due to integrated pumping device available for increased efficiency in circulation and optimized seat design
  • Cartridge unit factory assembled for easy installation, which reduces downtime
  • Trouble-free long-term operation due to heavy duty single seat design with bandage
  • Can operate under high sliding velocities and high pressures
  • Oil and gas industry
  • Refining technology
  • Chemical industry
  • Hot water
  • Sour water
  • Caustic soda
  • Amines
  • Crystallizing media
  • Crude oil
  • Process water
  • Crude oil feed pumps
  • Injection pumps
  • Multiphase pumps
  • Seal ring: Blister resistant carbon, Silicon carbide SSiC (Q1), RBSiC (Q2, Q3)
  • Mating ring: Silicon carbide SSiC (Q1), RBSiC (Q2)
  • Secondary seals: EPDM (E), NBR (P), FKM (V), FFKM (K)
  • Springs: Hastelloy ® C-4 (M)* and C-276 (M5)
  • Metal parts: CrNiMo steel 316 (G) or equivalent, optional materials on request.
    *Sealmatic standard
  • Shaft diameter:
    d1 = 40 … 110 (250)mm (1.57" ... 4.33 (9.84)")
  • Pressure:
    p1 = 42 (150) bar (609 (2,175) PSI)
  • Temperature:
    t = -40 °C … +176 (+200) °C (-40 °F ... +350 (+394) °F)
  • Sliding velocity:
    vg = 23 (60) m/s (76 (197) ft/s)
  • Axial Movement:
    ±3.0 mm

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