 |
| Customization: | Available |
|---|---|
| Structure: | Single End |
| Pressure: | High Pressure Mechanical Seals |
| Quantity: | |
|---|---|
(1)Features
• Multi-part seal rings, overlapped mortised with gas tight joints
• Split housing design
• Lowest possible operation gap - lowest leakage
• 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
[700 °C (1,292 °F) for blast furnaces],
-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
3 Seal ring
4 Tension spring
5 Detent
(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
• Pulp and paper industry
• Lime, cement and gypsum industry
• Mining industry
• Water and waste water technology
• Medium-sized and large fans/blowers
• Bearing seals (gear box, motors)
• Steam turbines
• Mixers, agitators, dryers
• Mills (ball, hammer, beater mills)
• Centrifuges
• 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 WD500-WDA for applications involving
condensate formation to enable directed throwing off
to the outside of the housing (not for solids containing
gases). For toxic and solids containing gases type shaft
seal Espey WD500-WDS with barrier gas port is used.
Special seals of type Espey WD500 amongst others are
seals for coal and cement mills or blast furnaces.
Espey WD500-WDK
with short design (for clean media, not for solids containing gases).
Dimensions in mm
| For all types | For types WDS, WDA | For type WDK | |||||||||
| dh6 | d1 | D | D1 | dB | LK | L1 | L2 | L3 | L4 | L5 | L6 |
| 45 | 50 | 210 | 140 | 15 | 175 | 47 | 59 | 71 | 28 | 40 | 52 |
| 50 | 58 | 220 | 150 | 15 | 185 | 47 | 59 | 71 | 28 | 40 | 52 |
| 60 | 68 | 230 | 160 | 15 | 195 | 47 | 59 | 71 | 28 | 40 | 52 |
| 70 | 78 | 240 | 170 | 15 | 205 | 47 | 59 | 71 | 28 | 40 | 52 |
| 80 | 90 | 260 | 180 | 15 | 220 | 47 | 59 | 71 | 28 | 40 | 52 |
| 90 | 100 | 270 | 190 | 15 | 230 | 47 | 59 | 71 | 28 | 40 | 52 |
| 100 | 110 | 280 | 200 | 15 | 240 | 51 | 65 | 79 | 32 | 46 | 60 |
| 110 | 120 | 290 | 210 | 15 | 250 | 51 | 65 | 79 | 32 | 46 | 60 |
| 120 | 130 | 300 | 220 | 15 | 260 | 51 | 65 | 79 | 32 | 46 | 60 |
| 130 | 140 | 310 | 230 | 15 | 270 | 51 | 65 | 79 | 32 | 46 | 60 |
| 140 | 150 | 320 | 240 | 15 | 280 | 51 | 65 | 79 | 32 | 46 | 60 |
| 150 | 160 | 330 | 250 | 15 | 290 | 51 | 65 | 79 | 32 | 46 | 60 |
| 160 | 170 | 340 | 260 | 19 | 300 | 51 | 65 | 79 | 32 | 46 | 60 |
| 170 | 180 | 350 | 270 | 19 | 310 | 51 | 65 | 79 | 32 | 46 | 60 |
| 180 | 190 | 360 | 280 | 19 | 320 | 51 | 65 | 79 | 32 | 46 | 60 |
| 190 | 200 | 370 | 290 | 19 | 330 | 51 | 65 | 79 | 32 | 46 | 60 |
| 200 | 210 | 420 | 310 | 15 | 365 | 55 | 71 | 87 | 36 | 52 | 68 |
| 220 | 230 | 440 | 330 | 15 | 385 | 55 | 71 | 87 | 36 | 52 | 68 |
| 240 | 250 | 460 | 350 | 15 | 405 | 55 | 71 | 87 | 36 | 52 | 68 |
| 260 | 270 | 480 | 370 | 19 | 425 | 55 | 71 | 87 | 36 | 52 | 68 |
| 280 | 290 | 500 | 390 | 19 | 445 | 55 | 71 | 87 | 36 | 52 | 68 |
| 300 | 310 | 520 | 410 | 19 | 465 | 55 | 71 | 87 | 36 | 52 | 68 |
| 320 | 330 | 540 | 430 | 19 | 485 | 55 | 71 | 87 | 36 | 52 | 68 |
| 340 | 350 | 560 | 450 | 19 | 505 | 55 | 71 | 87 | 36 | 52 | 68 |
| Special sizes on request. Special dimensions for e.g. blast furnaces, mills and dryers up to d = 4,000 mm | |||||||||||
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).
(1)Features
• Multi-part seal rings, overlapped mortised with gas tight joints
• Split housing design
• Lowest possible operation gap - lowest leakage
• 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
[700 °C (1,292 °F) for blast furnaces],
-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
3 Seal ring
4 Tension spring
5 Detent
(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
• Pulp and paper industry
• Lime, cement and gypsum industry
• Mining industry
• Water and waste water technology
• Medium-sized and large fans/blowers
• Bearing seals (gear box, motors)
• Steam turbines
• Mixers, agitators, dryers
• Mills (ball, hammer, beater mills)
• Centrifuges
• 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 WD500-WDA for applications involving
condensate formation to enable directed throwing off
to the outside of the housing (not for solids containing
gases). For toxic and solids containing gases type shaft
seal Espey WD500-WDS with barrier gas port is used.
Special seals of type Espey WD500 amongst others are
seals for coal and cement mills or blast furnaces.
Espey WD500-WDK
with short design (for clean media, not for solids containing gases).
Dimensions in mm
| For all types | For types WDS, WDA | For type WDK | |||||||||
| dh6 | d1 | D | D1 | dB | LK | L1 | L2 | L3 | L4 | L5 | L6 |
| 45 | 50 | 210 | 140 | 15 | 175 | 47 | 59 | 71 | 28 | 40 | 52 |
| 50 | 58 | 220 | 150 | 15 | 185 | 47 | 59 | 71 | 28 | 40 | 52 |
| 60 | 68 | 230 | 160 | 15 | 195 | 47 | 59 | 71 | 28 | 40 | 52 |
| 70 | 78 | 240 | 170 | 15 | 205 | 47 | 59 | 71 | 28 | 40 | 52 |
| 80 | 90 | 260 | 180 | 15 | 220 | 47 | 59 | 71 | 28 | 40 | 52 |
| 90 | 100 | 270 | 190 | 15 | 230 | 47 | 59 | 71 | 28 | 40 | 52 |
| 100 | 110 | 280 | 200 | 15 | 240 | 51 | 65 | 79 | 32 | 46 | 60 |
| 110 | 120 | 290 | 210 | 15 | 250 | 51 | 65 | 79 | 32 | 46 | 60 |
| 120 | 130 | 300 | 220 | 15 | 260 | 51 | 65 | 79 | 32 | 46 | 60 |
| 130 | 140 | 310 | 230 | 15 | 270 | 51 | 65 | 79 | 32 | 46 | 60 |
| 140 | 150 | 320 | 240 | 15 | 280 | 51 | 65 | 79 | 32 | 46 | 60 |
| 150 | 160 | 330 | 250 | 15 | 290 | 51 | 65 | 79 | 32 | 46 | 60 |
| 160 | 170 | 340 | 260 | 19 | 300 | 51 | 65 | 79 | 32 | 46 | 60 |
| 170 | 180 | 350 | 270 | 19 | 310 | 51 | 65 | 79 | 32 | 46 | 60 |
| 180 | 190 | 360 | 280 | 19 | 320 | 51 | 65 | 79 | 32 | 46 | 60 |
| 190 | 200 | 370 | 290 | 19 | 330 | 51 | 65 | 79 | 32 | 46 | 60 |
| 200 | 210 | 420 | 310 | 15 | 365 | 55 | 71 | 87 | 36 | 52 | 68 |
| 220 | 230 | 440 | 330 | 15 | 385 | 55 | 71 | 87 | 36 | 52 | 68 |
| 240 | 250 | 460 | 350 | 15 | 405 | 55 | 71 | 87 | 36 | 52 | 68 |
| 260 | 270 | 480 | 370 | 19 | 425 | 55 | 71 | 87 | 36 | 52 | 68 |
| 280 | 290 | 500 | 390 | 19 | 445 | 55 | 71 | 87 | 36 | 52 | 68 |
| 300 | 310 | 520 | 410 | 19 | 465 | 55 | 71 | 87 | 36 | 52 | 68 |
| 320 | 330 | 540 | 430 | 19 | 485 | 55 | 71 | 87 | 36 | 52 | 68 |
| 340 | 350 | 560 | 450 | 19 | 505 | 55 | 71 | 87 | 36 | 52 | 68 |
| Special sizes on request. Special dimensions for e.g. blast furnaces, mills and dryers up to d = 4,000 mm | |||||||||||
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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