Enactus -LL9DJUE Burgmann LL9DJUE Replacement

Enactus -LL9DJUE Burgmann LL9DJUE Replacement

FeaturesEquivalent to Burgmann LL9DJUEAPI 682 Category 2 and 3, Type A,Arrangement 2 sealDual seal in face-to-back arrangementDry contact outer seal (containment seal)BalancedCartridge unitStationary
Product description

Features
Equivalent to Burgmann LL9DJUE
API 682 Category 2 and 3, Type A,
Arrangement 2 seal
Dual seal in face-to-back arrangement
Dry contact outer seal (containment seal)
Balanced
Cartridge unit
Stationary multiple springs
Solid seal faces
Operating range
Pressure (primary seal): p = vacuum ... 60 bar (870 PSI)
Pressure (secondary seal): p = 2.75 bar (40 PSI) normal operation,max. 60 bar (870 PSI) in wet operation
Temperature: -40 °C … +176 °C (-40 °F … +349 °F)*
Sliding velocity: ... 25 m/s (82 ft/s)
Viscosity: 300 mPas
Solids content: ... 0.5 wt.%
* Engineered up to 260 °C (500 °F) with FFKM (K) secondary seals
Materials
Seal ring (primary seal): Blister resistant carbon,Silicon carbide SSiC (Q1), RBSiC (Q2)
Seal ring (secondary seal): Special carbon
Mating ring:Silicon carbide SSiC (Q1), RBSiC (Q2)
Secondary seals:FKM (V), FFKM (K), EPDM (E), NBR (P)
Springs: Hastelloy® C-276 (M5)
Metal parts: CrNiMo steel 316 (G)
Recommended applications
Refining technology)
Oil and gas industry
Petrochemical industry
Chemical industry
Power plant technology
Light volatile hydrocarbons
LPG plants
API 610 / ISO 13709 pumps
Process pumps
Advantages
Outer seal which can be used for flashing as well as non-flashing applications prevents hazardous emissions in case of inboard seal failure
Low heat generation and power consumption due to narrow seal face width of inner seal
Longer seal life
Good followability due to no influence from run-out, squareness or vibration of the shaft
Pressure-balanced design prevents mating ring being forced out under reverse pressure
No damage to shaft sleeve as dynamic
O-Ring is not in direct contact with the sleeve


Enactus -LL9DJUE Dimentions(mm)

API/d1

API/d2

API/d3

d5

d6

l4

l5

l6

l7

20

70

105

51

128

128

98

30

80

30

80

115

63

138

130

98

32

80

40

90

125

74

148

133

98

35

80

50

100

140

84

168

142

107

35

87

60

120

160

99

188

142

107

35

87

70

130

170

108

198

142

107

35

87

80

140

180

120

208

142

107

35

87

90

160

205

138

238

150

115

35

93

100

170

215

148

248

150

115

35

93

110

180

225

157

258

155

115

40

93



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