Item Description
1.1.1, 1.1.2 Seal ring
1.1.3, 1.1.4 O-Ring
1.1.5 Thrust ring
1.1.6 Spring
1.2, 1.3 Mating ring
2 Seal sleeve
3, 4 Gland plate
5 Shrink disk
6 Setting device
7 Hexagon bolt


LBO Liquid barrier OUT
LBI Liquid barrier IN


Drawing shows type SHPV-D

SH-D

Features

  • Dual seal in face-to-face arrangement
  • Balanced
  • Cartridge unit
  • Stationary multiple springs
  • Shrink-fitted seal rings
  • Rugged mating rings

Advantages

  • Engineered seal for extended requirements
  • Deformation-optimized seal for high pressure and high sliding velocity
  • Insensitive to shaft deflections due to stationary design
  • Version with loose-fitted seal rings available, for extreme applications

Operating range

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

Materials

Seal rings: Blister resistant carbon,
Silicon carbide SSiC (Q1), RBSiC (Q2, Q3)
Mating rings:
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.

* EagleBurgmann standard

Standards and approvals

  • Following the API 682 / ISO 21049
  • Following the API 682 4th ed. Cat. 2/3 - 3CW-FF

Recommended piping plans

Process side*:
API Plan 01
API Plan 02
API Plan 03
API Plan 11
API Plan 12
API Plan 13
API Plan 14
API Plan 21
API Plan 22
API Plan 31
API Plan 32
API Plan 41

Between seals:
API Plan 53A
API Plan 53B
API Plan 53C
API Plan 54

Atmospheric side**:
API Plan 61
API Plan 62
API Plan 65A
API Plan 65B

* Piping plans 11 ... 41: Integration in seal to be dimensionally checked.
** Throttle bushing on request.