| Structure: | Single End |
|---|---|
| Pressure: | Medium Pressure Mechanical Seals |
| Speed: | High-Speed Mechanical Seal |
|
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(1)Features
• For unstepped shafts
• Rotating bellows
• Single seal
• Balanced
• Independent of direction of rotation
• Metal bellows
(2)Advantages
• For extreme high temperature ranges
• No dynamically loaded O-Ring
• Self cleaning effect
• Short installation length possible
• Pumping screw for highly viscous media available
(dependent on direction of rotation).
(3)Operating range (see note on page 1)
Shaft diameter: d1 = 16 ... 150 mm (0.64" ... 6")
Externally pressurized: p1 = ... 25 bar (363 PSI)
Internally pressurized:
p1 < 120 °C (248 °F) 10 bar (145 PSI)
p1 < 220 °C (428 °F) 5 bar (73 PSI)
p1 < 400 °C (752 °F) 3 bar (44 PSI)
Stationary seat lock necessary
Temperature: t = -20 °C ... +400 °C (-4 °F ... +752 °F)
Sliding velocity: vg = 20 m/s (66 ft/s)
(4)Materials
Seal face: Carbon graphite antimony impregnated (A),
Silicon carbide (Q12)
Seat: Silicon carbide (Q1)
Bellows: Inconel® 718 hardened (M6),
Hastelloy® C-276 (M5)
Metal parts: CrNiMo steel (G), Duplex (G1),
Carpenter® 42 (T4), Hastelloy® C-4 (M)
(5)Recommended applications
• Refining technology
• Power plant technology
• Chemical industry
• Hot media
• Highly viscous media
• Pumps
• Special rotating equipment
(6)Item Part no. to DIN 24250 Description
1.1 472/481 Seal face
with bellows unit
1.2 410 Sealing ring
1.3 474 Drive collar
1.4 Socket head screw
1.5 904 Set screw
2 475 Seat
3 412 Sealing ring
1. Are you manufacturer or Trade Company?
We are a professional mechanical seals manufacturer from China, founded in 2001
2.Where is your factory located? How can I visit there?
Our factory is located in FUYANG CITY ,ANHUI PROVINCE, by air to Fuyang Xiguan Airport, by fast train to FuyangXi Station or Linquan station
3. What's the order process?
a. Inquiry---provide us all clear requirements
b. Quotation---official quotation form with all clear specifications.
c. Payment terms---LC/ AT SIGHT, T/T 30% deposit, and the balance according to the copy of the B/L
d. Develop mould---open the mould according to your request.
e. Sample confirmation---send you the sample for confirmation after finish the sample production
f. Production---mass order production
g. Shipping--- by sea, air or courier. Detailed picture of package will be provided.
4. What terms of payment you use?
T/T, L/C ,D/P ,Western Union, Cash
5. How can I get some samples?
We are honored to offer you samples.
6. How does your factory do regarding quality control?
"Quality is priority. Random check durig the production,100% check during packaging according to the agreed standards
Our factory is certified by ISO9001, outsource to check in regulary time,such as SGS.
Plant:Anhui Hengda Mechanical Seal Co.,ltd
Our trade company: Fuyang Hengmi Seal Co.,ltd
Our Advantage: 20 Year Manufacture Experience,OEM&ODM,accept non-standard customization,large quantity stocks and fast ship
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