| Customization: | Available |
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| Structure: | Single End |
| Pressure: | High Pressure Mechanical Seals |
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(1)Features
• For top drive entries
• Multiple seals rotating
• Unbalanced
• Double seal
• Independent of direction of rotation
• Liquid-lubricated
• Cartridge unit
(2)Advantages
• Patented hydrodynamic grooves
• High reliability and long service life
• Designed for medium pressure range
• Ready-to-fit and factory-tested units
• Connection dimensions to customer's requirements
• Due to the hydraulic product pressure as well overlaying barrier pressure closes the seal.
(3)Operating range (see note on page 1)
Shaft diameter: dw = 20 ... 500 mm (0.79" ... 19.69")
Pressure: p1 = vacuum ... 30 bar (... 435 PSI)
Temperature: t = -40 °C ... +200 (350) °C (-40 °F ... +392 (662) °F)
Sliding velocity: vg = 0 ... 5 m/s (0 ... 16 ft/s)
For applications beyond this range, please inquire.
(4)Standards and approvals
• Material approvals: FDA
(5)Product variants
HS ... -D
Double seal, unbalanced.
HSL-D
Double seal, unbalanced, with integrated floating bearing.
(6)Item Description
1 Seal face, atmosphere side
2 Seal face, product side
4, 5, 11, 12, 13 O-Ring
9 Seat, product side
10 Seat, atmosphere side
(7) Materials
According to application and customer's specification
(8)Recommended seal supply
Open barrier fluid circuit
e.g. EgleBergman SPA, EgleBergman SPN
(9)Recommended applications
• Chemical industry
• Pharmaceutical industry
• Suitable for all media
Top entry drives:
• Agitators
• Dryers
• Mixers
• Filter
• Special rotating equipment
Supply connections
A Barrier fluid IN
B Barrier fluid OUT
C Drainage
D Leakage drain G1/8"
E Cooling IN G3/8"
F Cooling OUT G3/8"
G Grease
S Flush
(10)Notes
Options:
• Cooling or heating flange
• Leakage drain, flush or heating flange
• Leakage drain or flush
• Polymerization barrier, leakage drain or flush See page 259.
Dimensions in mm
| dw | d1 | n x d2 | d3 | k | L1 | L2 | I3 | I4 |
| 40 | 200.0 | 6x 18 | 80.0 | 170.0 | 115.0 | 170.0 | 35.0 | 45.0 |
| 50 | 230.0 | 8 x 18 | 100.0 | 200.0 | 120.0 | 185.0 | 35.0 | 55.0 |
| 60 | 255.0 | 8 x 18 | 120.0 | 225.0 | 140.0 | 210.0 | 35.0 | 60.0 |
| 80 | 295.0 | 8 x 23 | 145.0 | 260.0 | 145.0 | 230.0 | 44.0 | 60.0 |
| 100 | 315.0 | 8 x 23 | 170.0 | 280.0 | 160.0 | 245.0 | 44.0 | 65.0 |
| 120 | 345.0 | 8 x 23 | 190.0 | 310.0 | 160.0 | 250.0 | 50.0 | 65.0 |
| 140 | 380.0 | 12 x 23 | 215.0 | 345.0 | 165.0 | 265.0 | 50.0 | 65.0 |
| 160 | 440.0 | 12 x 27 | 240.0 | 395.0 | 185.0 | 300.0 | 50.0 | 75.0 |
| 180 | 475.0 | 12 x 27 | 260.0 | 430.0 | 185.0 | 310.0 | 55.0 | 75.0 |
| 200 | 465.0 | 12 x 27 | 290.0 | 420.0 | 190.0 | 290.0 | 55.0 | 75.0 |
We have large stock, so our delivery is very fast.
For example,if products are standarded, the delivery time is one week.
Our company and factory addrss: Ningbo City, Zhejiang Province,China.
Our city has a large port and an airport, so its transportation is very convenient.
Question1: What are the prices of your products?
Answer: For each model, the unit price is listed on the website, but what is displayed on the website is only the average market price. For specific models, you can contact us for further consultation and negotiation.
Question 2: Are you a factory or a trade company?
Answer: We are a factory with top sales for the trade service.
Question 3: What is the minimum order quantity for each order?
Answer: For products of regular models, the minimum order quantity is at least five. We welcome you to test the quality of our products and services through placing trial orders. Looking forward to the long-term cooperation with you.
Question4: What is your company's service tenet?
Answer: Quality first, service upmost. We promises that if there is any problem with the quality of the product, or if the product is damaged during the transportation, our company will be responsible for compensation, regardless of the ordder turnover value.
Question5: Can I try to get a SAMPLE before the order?
Answer: Sure. Our company will provide you with samples for free, but you will have to pay for the international delivery (freight collect payment).
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