APItex-T
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APItex-T

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APItex-T
APItex-T
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Technical drawing of APItex-T

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Item Description
1, 9 Seal ring
2, 5, 7, 10, 13, 15, 16, 17 O-Ring
3, 11 Spring
4, 12 Mating ring
6 Seal sleeve
8, 18 Gland plate
14 Driver
19 HSH Cap screw
20 Set ring
21, 24 Set screw
22 Setting device
23 Hexagon bolt

LBO Liquid buffer/barrier OUT
LBI Liquid buffer/barrier IN

APItex-T

PDF data sheet

Features

  • API 682 Category 1, Type A, Arrangement 2 or 3 seal
  • Dual seal in face-to-back arrangement
  • Balanced
  • Cartridge unit
  • Independent of direction of rotation
  • Shrink-fitted seal faces
  • Solid mating rings

Advantages

  • Suitable for pressure reversal
  • Insensitive to shaft deflections and process fluctuations
  • Cover distortion cannot cause mating ring misalignment
  • Good heat dissipation
  • No external pump necessary
  • Pre-assembled unit, ready to install
  • Low space requirements
  • Security due to proofed design
  • Springs protected from the product

Operating range

Shaft diameter:
d1 = 20 … 110 mm (0.79" … 4.33")
Pressure: p1 = 22 bar (319 PSI)
Temperature: t = -40 °C … +176 °C
(-40 °F … +349 °F)
(>176 °C (349 °F) please inquire)
Sliding velocity: vg = 23 m/s (75 ft/s)

Materials

Seal ring: Blister resistant carbon,
Silicon carbide SSiC (Q12)
Mating ring: Silicon carbide SSiC (Q1)
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.

* EagleBurgmann standard

Standards and approvals

  • API 682 / ISO 21049
  • API 682 4th ed. Cat. 1 - 2CW-CW
  • API 682 4th ed. Cat. 1 - 3CW-FB

Recommended applications

  • Highly volatile hydrocarbons
  • Toxic and hazardous media
  • Media with poor lubrication properties
  • Low solids content and low abrasive media
  • Process industry
  • Oil and gas industry
  • Refining technology
  • Petrochemical industry
  • Chemical industry
  • Vertical and horizontal ANSI chemical standard pumps

Similar products

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  • Single seal
  • Balanced
  • Cartridge unit
  • Independent of direction of rotation
  • Solid seal face
  • Solid seat
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H75A4-B

H75A4-B

  • API 682 Category 2 and 3, Type A, Arrangement 3 seal
  • Dual seal in back-to-back arrangement
  • Balanced
  • Cartridge unit
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  • Integrated pumping device
  • Suitable for pressure reversals
  • Replaces the H75VK seal
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