Enactus -LEK777 Burgmann LEK777 Replacement

Enactus -LEK777 Burgmann LEK777 Replacement

FeaturesEquivalent to Burgmann LEK777Single sealBalancedCartridge unitStationary multiple springsSolid seal facesOperating rangePressure (product seal): p = vacuum ... 60 bar ( … 870 PSI)Temperature:
Product description

Features
Equivalent to Burgmann LEK777
Single seal
Balanced
Cartridge unit
Stationary multiple springs
Solid seal faces
Operating range
Pressure (product seal): p = vacuum ... 60 bar ( … 870 PSI)
Temperature: -40 °C … +176 °C (-40 °F … +349 °F)*
Sliding velocity: vg = 50 m/s (164 ft/s)
Viscosity: ... 300 mPa·s
Solids content: ... 0.5 wt.%
* Engineered up to 260 °C (500 °F) with FFKM (K) secondary seals
Materials
Seal ring: Blister resistant carbon, Silicon carbide SSiC (Q1), RBSiC (Q2)
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
Oil and gas industry
Power plant technology
Light volatile hydrocarbons
LPG plants
API 610 / ISO 13709 pumps
Process pumps
Recommended piping plans
Process side: 01, 02, 11, 12, 13, 14, 21, 22, 23, 31, 32, 41
Atmospheric side: 51, 61, 62, 65A, 65B, 66A, 66B
Advantages
Suitable for higher speeds
Good followability due to no influence from run-out, squareness or vibration of the shaft
Compact design
Low heat generation and power consumption due to narrow seal face width
Longer seal life
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 -LEK777 Dimentions(mm)

API/d1

API/d2

API/d3

d4

d5

l1

l2

l3

l4

20

70

105

51

128

100

70

30

50

30

80

115

63

138

102

70

32

50

40

90

125

74

148

105

70

35

50

50

100

140

84

168

105

70

35

50

60

120

160

99

188

107

72

35

52

70

130

170

108

198

107

72

35

52

80

140

180

120

208

107

72

35

52

90

160

205

138

238

114

79

35

59

100

170

215

148

248

115

80

35

60

110

180

225

157

258

120

80

40

60



Enactus Industrial, one of the professional manufacturers and suppliers of mechanical seals, now brings you the latest design enactus -lek777 burgmann lek777 replacement at competitive price. Should you have any special requirement, we can also offer you customized service. Welcome to wholesale bulk enactus -lek777 burgmann lek777 replacement with our factory and check the pricelist with us.

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