Gold Member Since 2014
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Ningbo Beton Mechanical Seal Factory

301, Mechanical Seal, Pump Seal manufacturer / supplier in China, offering Elastomer Bellow Mechanical Seal (B301), Apv Pump Seal (BP06) 4, Apv Pump Seal (BTOWP) and so on.

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Elastomer Bellow Mechanical Seal (B301)

FOB Price: Get Latest Price
Min. Order: 5 Pieces
Port: Ningbo, China
Transport Package: Paper Box
Payment Terms: D/P, Western Union, Paypal

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Basic Info
  • Model NO.: B301
  • Standard: AISI
  • Shape: Round
  • Surface Treatment: Polished
  • Origin: China
  • Type: Stainless Steel Sheets
  • Certification: ISO
  • Technique: Hot Rolled
  • Specification: metric size
  • HS Code: 84842000
Product Description
Alternative to:
Burgmann BT-AR, AES B01, Roten 37B/L5, Flowserve 118, Latty T750, VULCAN 18

Elastomer Bellow Mechanical Seal (B301)
Elastomer Bellow Mechanical Seal (B301)
Elastomer Bellow Mechanical Seal (B301)

Mechanical seal for large-series cold water pumps,
produced in millions of units per year. The BT-AR owes its
success to the wide range of application, the short axial
length (this allows for more economic pump construction
and saves material), and the best quality/price ratio.
The elasticity of the bellows design enables a more robust
The BT-AR can also be used as a multiple seal in tandem
or back-to-back arrangement when the product media
cannot ensure lubrication, or when sealing media with
a higher solids content. Installation proposals can be
provided upon request.
• Rubber bellows mechanical seal
• Unbalanced
• Single spring
• Independent of direction of rotation
• Short axial installation length
Operating range (see note on page 1)
Shaft diameter: d= 6 … 70 mm (0.24" … 2.76")
Pressure: p1* = 6 bar (87 PSI),
vacuum … 0.5 bar (7.45 PSI)
up to 1 bar (14.5 PSI) with seat locking
Temperature: t* = -20 °C … +120 °C (-4 °F … +248 °F)
Sliding velocity: v= 10 m/s (33 ft/s)
* Dependent on medium, size and material
Seal face: Carbon graphite antimony impregnated (A),
Carbon graphite resin impregnated (B),
Carbon graphite, full carbon (B3), Silicon carbide (Q1, Q6),
Tungsten carbide (U), PTFE glass fiber reinforced (Y)
Seat: Steatite (X), Aluminium oxide (V, V1),
Silicon carbide (Q1, Q6, Q7), Tungsten carbide (U),
Cr steel (E), CrNi steel (F), CrNiMo steel (G)
Elastomers: NBR (P), EPDM (E), FKM (V), HNBR (X4)
Metal parts: CrNi steel 1.4301 (F), CrNiMo steel 1.4401 (G),
CrNi steel 1.4057 (F1)
Item Description
1 Seal face
2 Stationary seat
3 Bellows
3a Gasket
4 Spring
5 Ring
5a Locking ring
5b Collar
Recommended applications
• Water and waste water technology
• Pool and spa applications
• Household appliances
• Domestic and garden pumps
• Whirlpool and swimming pool pumps
• Dishwasher pumps
• Submersible motors / pumps
• Water pumps / waste water pumps
• W270
• DM 174/04

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