| Customization: | Available |
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| Structure: | Single End |
| Pressure: | High Pressure Mechanical Seals |
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(1)Features
• Multi-part seal rings, radially cut on process side, overlapped mortised with gas tight joints on atmosphere side
• Split housing design
• Lowest possible operation gap - lowest leakage
• Radially cut and overlapped mortised seal rings
• Dry-running
• Self-adjusting seal rings
• Compensation of radial and axial shaft deflections
• Short axial installation length
• No sealing components mounted on the shaft and hence no additional shaft vibrations
(2)Advantages
• Easy installation by split housing design (shaft removal not required)
• High reliability
• Maintainability
• Segmented seal rings for easy replacement
• Maintenance-free
(3)Operating range (see note on page 1)
Shaft diameter: d = 45 ... 340 mm (1.77" ... 13.89")
Operating pressure: p = vacuum ... 3 bar (43 PSI) abs.
(depends on peripheral velocity)
Operating temperature: t = -120 °C ... +500 °C
(-184 °F ... +932 °F) for carbon,
-120 °C ... +150 °C (-184 °F ... +302 °F) for
PTFE compound
Sliding velocity: vg = max. 40 m/s (131 ft/s)
Radial play: ±2.5 ... 5.0 mm (±0.1" ... 0.2")
Axial movement: theoretically unlimited
Recommended wear guard: > 58 HRC
(4)Item Description
1 Flat seal
2 Housing, 2-piece
3a Seal ring WD200
3b Seal ring WD500
4a Tension spring WD200
4b Tension spring WD500
5a Detent WD200
5b Detent WD500
(5)Materials
Seal ring: Carbon, PTFE compound
Housing: 1.4021, 1.4571, Hastelloy®, Titanium, Inconel®, others
Tension spring/detent: 1.4571, Hastelloy®, Titanium, Inconel®
(6)Standards and approvals
• Material approvals: FDA
(7)Recommended applications
• Chemical industry
• Waste incineration and removal industry
• Metal production and processing
• Pulp and paper industry
• Lime, cement and gypsum industry
• Food processing industry
• Power plant technology
• Machinery and plant building
• Medium-sized and large fans/blowers
• Bearing seals (gear box, motors)
• Steam turbines
• Mixers, agitators, dryers
• Mills (ball, hammer, beater mills)
• Centrifuges
• Cantilever pumps
• Gases
• Fumes and exhaust, solids containing, flammable (ATEX), acid containing and toxic gases
• (Solids containing) steams/liquid mist
• Oil mist/penetrating oil
• Water
(8)Product variants
Espey WD200/500-WD1S2 with barrier gas port.
The arrangement guarantees a focused barrier gas flow
to the process side and keeps gases, solids and mists off
the sealing area. In addition the leakage to the outside is
reduced.
Espey WD200/500-WD1S2A1 with barrier gas port
and recirculation. The arrangement guarantees a focused
barrier gas flow to the process side and keeps gases,
solids and mists off the sealing area. In addition the
leakage to the outside is reduced and residual gases and
condensates will be purged.
Dimensions in mm
| dh6 | d1 | D | LK | n x ØdB | S | V | L1 | L2 | L3 | L4 |
| 45 | 50.0 | 175.0 | 135.0 | 4 x Ø19 | 1 x G1/2 | 1 x G1/2 | 45.0 | 55.0 | 70.0 | 85.0 |
| 50 | 58.0 | 180.0 | 140.0 | 4 x Ø19 | 1 x G1/2 | 1 x G1/2 | 45.0 | 55.0 | 70.0 | 85.0 |
| 60 | 70.0 | 190.0 | 150.0 | 4 x Ø19 | 1 x G1/2 | 1 x G1/2 | 45.0 | 55.0 | 70.0 | 85.0 |
| 70 | 80.0 | 200.0 | 160.0 | 4 x Ø19 | 1 x G1/2 | 1 x G1/2 | 45.0 | 55.0 | 70.0 | 85.0 |
| 80 | 90.0 | 210.0 | 170.0 | 4 x Ø19 | 1 x G1/2 | 1 x G1/2 | 45.0 | 55.0 | 70.0 | 85.0 |
| 90 | 100.0 | 220.0 | 180.0 | 4 x Ø19 | 1 x G1/2 | 1 x G1/2 | 45.0 | 55.0 | 70.0 | 85.0 |
| 100 | 110.0 | 230.0 | 190.0 | 4 x Ø19 | 1 x G1/2 | 1 x G1/2 | 50.0 | 60.0 | 75.0 | 90.0 |
| 110 | 120.0 | 240.0 | 200.0 | 4 x Ø19 | 1 x G1/2 | 1 x G1/2 | 50.0 | 60.0 | 75.0 | 90.0 |
| 120 | 130.0 | 250.0 | 210.0 | 4 x Ø19 | 1 x G1/2 | 1 x G1/2 | 50.0 | 60.0 | 75.0 | 90.0 |
| 130 | 140.0 | 260.0 | 220.0 | 4 x Ø19 | 1 x G1/2 | 1 x G1/2 | 50.0 | 60.0 | 75.0 | 90.0 |
| 140 | 150.0 | 270.0 | 230.0 | 4 x Ø19 | 1 x G1/2 | 1 x G1/2 | 50.0 | 60.0 | 75.0 | 90.0 |
| 150 | 160.0 | 280.0 | 240.0 | 4 x Ø19 | 1 x G1/2 | 1 x G1/2 | 50.0 | 60.0 | 75.0 | 90.0 |
| 160 | 170.0 | 290.0 | 250.0 | 4 x Ø19 | 1 x G1/2 | 1 x G1/2 | 50.0 | 60.0 | 75.0 | 90.0 |
| 170 | 180.0 | 300.0 | 260.0 | 6 x Ø19 | 1 x G1/2 | 1 x G1/2 | 50.0 | 60.0 | 75.0 | 90.0 |
| 180 | 190.0 | 310.0 | 270.0 | 6 x Ø19 | 1 x G1/2 | 1 x G1/2 | 50.0 | 60.0 | 75.0 | 90.0 |
| 190 | 200.0 | 320.0 | 280.0 | 6 x Ø19 | 1 x G1/2 | 1 x G1/2 | 50.0 | 60.0 | 75.0 | 90.0 |
| 200 | 210.0 | 340.0 | 290.0 | 6 x Ø19 | 2 x G1/2 | 1 x G1/2 | 50.0 | 65.0 | 80.0 | 95.0 |
| 210 | 220.0 | 350.0 | 300.0 | 6 x Ø19 | 2 x G1/2 | 1 x G1/2 | 50.0 | 65.0 | 80.0 | 95.0 |
| 220 | 230.0 | 360.0 | 310.0 | 6 x Ø19 | 2 x G1/2 | 1 x G1/2 | 50.0 | 65.0 | 80.0 | 95.0 |
| 230 | 240.0 | 370.0 | 320.0 | 6 x Ø19 | 2 x G1/2 | 1 x G1/2 | 50.0 | 65.0 | 80.0 | 95.0 |
| 240 | 250.0 | 380.0 | 330.0 | 6 x Ø19 | 2 x G1/2 | 1 x G1/2 | 50.0 | 65.0 | 80.0 | 95.0 |
| 250 | 260.0 | 390.0 | 340.0 | 6 x Ø19 | 2 x G1/2 | 1 x G1/2 | 50.0 | 65.0 | 80.0 | 95.0 |
| 260 | 270.0 | 400.0 | 350.0 | 6 x Ø19 | 2 x G1/2 | 1 x G1/2 | 50.0 | 65.0 | 80.0 | 95.0 |
| 270 | 280.0 | 410.0 | 360.0 | 6 x Ø19 | 2 x G1/2 | 1 x G1/2 | 50.0 | 65.0 | 80.0 | 95.0 |
| 280 | 290.0 | 420.0 | 370.0 | 6 x Ø19 | 2 x G1/2 | 1 x G1/2 | 50.0 | 65.0 | 80.0 | 95.0 |
| 290 | 300.0 | 430.0 | 380.0 | 6 x Ø19 | 2 x G1/2 | 1 x G1/2 | 50.0 | 65.0 | 80.0 | 95.0 |
| 300 | 310.0 | 440.0 | 390.0 | 6 x Ø19 | 2 x G1/2 | 1 x G1/2 | 50.0 | 65.0 | 80.0 | 95.0 |
| 310 | 320.0 | 450.0 | 400.0 | 6 x Ø19 | 2 x G1/2 | 1 x G1/2 | 50.0 | 65.0 | 80.0 | 95.0 |
| 320 | 330.0 | 460.0 | 410.0 | 6 x Ø19 | 2 x G1/2 | 1 x G1/2 | 50.0 | 65.0 | 80.0 | 95.0 |
| 330 | 340.0 | 470.0 | 420.0 | 6 x Ø19 | 2 x G1/2 | 1 x G1/2 | 50.0 | 65.0 | 80.0 | 95.0 |
| 340 | 350.0 | 480.0 | 430.0 | 6 x Ø19 | 2 x G1/2 | 1 x G1/2 | 50.0 | 65.0 | 80.0 | 95.0 |
| S= Barrier gas port V= Recirculation Special sizes on request. |
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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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