Gold Member Since 2014
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Saisi Mechanical Seal Co., Ltd.

Mechanical Seal, Burgmann Hrn, Pump Seal manufacturer / supplier in China, offering Mechanical Seal Burgmann HRN, Mechanical Seal Burgmann Type LP-D, Mechanical Seal John Crane Type 2 and so on.

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Mechanical Seal Burgmann HRN

Purchase Qty.:
1-9 10+
FOB Unit Price: US $20 US $5
Purchase Qty. (Pieces) FOB Unit Price
1-9 US $20
10+ US $5
Get Latest Price
Production Capacity: 60000
Transport Package: Wooden Box or Carton Box Upon The Order
Payment Terms: T/T, Western Union, Paypal, Money Gram

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Basic Info
  • Model NO.: SS-HRN
  • Trademark: Saisi Seal
  • Origin: Zhangjiagang, Jiangsu
  • Standard: Standard, Nonstandard
  • Specification: CE; RoHS
Product Description
Equivalent to burgmann HRN
Single seal
Independent of direction of rotation
Stationary springs
Dual seals in tandem as well as back-to-back arrangements (also in combination with H10 seal)
Operating range
Shaft diameter: d = 18 ... 100 mm (0.71" 3.94")
Pressure: p1*) = 25 bar (363 PSI)
Temperature: t = -40 °C ... +220 °C (-40 °F 428 °F)
Sliding velocity: vg = 20 m/s (66 ft/s)
Axial movement: ± 1.0 mm
* Additional seat locking is not needed in vacuum operation. For operation under vacuum it is necessary to arrange for quenching on the atmosphere side.
Seal face: Carbon graphite resin impregnated (B), Silicon carbide (Q1)
Seat: Silicon carbide (Q1)
Secondary seals: FKM (V), NBR (P), FFKM (K), PTFE (T)
Springs: Hastelloy® C-4 (M)
Metal parts: CrNiMo steel (G)
Safe operation (no fractures) because of seal face locking by square pin;
Spring unit averted from the product so no sticking and clogging of the springs;
Suitable for pressure reversals
Operation in vacuum without additional seat locking possible;
No damage of the shaft by a dynamically loaded O-Ring;
Small installation sizes
Best suitable for conversions, no adaptations of the pump;
Insensitive to solid containing and abrasive media
Advantages of a balanced seal even with plain shafts
Insensitive to shaft movements because of the stationary design
Recommended applications
Water and waste water technology
Refining technology
Dirty, abrasive and solid containing media
Fugitive hydrocarbons (no API seal!)
Sticky and stringy media
Chemical standard pumps
Sewage pumps

We can manufacture seals of all applications, including standard and customized products. Pls contact with explore
Mechanical Seal Burgmann HRN
Mechanical Seal Burgmann HRN
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Mr. Bob Cai
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