Item Description
1 Seal ring
2, 6, 8, 12, 13 O-Ring
3, 16 Spring
4 Thrust ring
5 Mating ring
7, 10 Set screw
9 Sleeve
11 Seal sleeve
14 Gland plate
15 Throttle ring
17 Disk
18 Set ring
19 Setting device
20 Hexagon bolt
21 Plug


F Flush
Q Quench
D Drain


Drawing shows type SHV

SH

Features

  • Single seal
  • Balanced
  • Cartridge unit
  • Stationary multiple springs
  • Shrink-fitted seal ring
  • Solid mating ring

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 for extreme applications available

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 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.


* EagleBurgmann standard

Standards and approvals

Following the API 682 / ISO 21049; following the API 682 4th ed. Cat 2/3 – 1CW-FL
True