• 174 Espey WKA250ND Mechanical Seals for Pumps Pusher Seals
  • 174 Espey WKA250ND Mechanical Seals for Pumps Pusher Seals
  • 174 Espey WKA250ND Mechanical Seals for Pumps Pusher Seals
  • 174 Espey WKA250ND Mechanical Seals for Pumps Pusher Seals
  • 174 Espey WKA250ND Mechanical Seals for Pumps Pusher Seals
  • 174 Espey WKA250ND Mechanical Seals for Pumps Pusher Seals

174 Espey WKA250ND Mechanical Seals for Pumps Pusher Seals

Structure: Single End
Pressure: High Pressure Mechanical Seals
Speed: Ultra-High-Speed Mechanical Seal
Samples:
US$ 20/Piece 1 Piece(Min.Order)
| Order Sample
Customer′s requirement
Customization:
Shipping Cost:

Estimated freight per unit.

about shipping cost and estimated delivery time.
Payment Method: visa mastercard discover JCB diners club american express T/T
  Initial Payment Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
From payment to delivery, we protect your trading.
174 Espey WKA250ND Mechanical Seals for Pumps Pusher Seals pictures & photos
174 Espey WKA250ND Mechanical Seals for Pumps Pusher Seals
US $20-50 / Piece
Min. Order: 5 Pieces
Gold Member Since 2022

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Manufacturer/Factory
  • Overview
  • Product Description
  • Detailed Photos
  • Product Structure Size
  • Packaging & Shipping
  • Our Advantages
  • FAQ
Overview

Basic Info.

Model NO.
174 Espey WKA250ND
Temperature
High Temperature Mechanical Seal
Performance
Corrosion
Standard
Standard
Type
Custom-Made, TS
Balance
Balanced
Payment Method
T/T, Western Union, L/C etc
Replace
Bogmann Seals
Export Port
Ningbo Port, Shanghai Port
Products Packaging
White Box
Min Order Qty
5 Pcs
Transport Package
Carton Packing
Specification
Diameter Size 20-300mm
Trademark
Custom-made, TS
Origin
Made in China
HS Code
8484200090
Production Capacity
1000000 PCS/Year

Packaging & Delivery

Package Size
38.00cm * 38.00cm * 32.00cm
Package Gross Weight
22.000kg

Product Description

Product Description

(1)Features 
• Chamber seal (modular design), optional with housing and lid
• Multi-part seal rings, radially cut 
• Very small operation gap - low leakage 
• Dry running 
• Self-adjusting seal rings 
• Compensation of radial and axial shaft deflections 
• No sealing components mounted on the shaft and hence no additional shaft vibrations
• Seal rings running contact-free - sliding faces and machine consume no additional power
• Balanced seal ring inside chamber

(2)Advantages
• High reliability 
• Maintainability 
• Segmented seal rings for easy replacement 
• Maintenance-free

(3)Operating range (see note on page 1)
Shaft diameter: d = 20 ... 340 mm (0.79" ... 13.39")
Operating pressure: p = vacuum ... 15 bar (217 PSI) abs.
Operating temperature: t = -120 °C ... +500 °C 
(-184 °F ... +932 °F) for carbon, 
max. 225 °C (437 °F) for PTFE compound 
Sliding velocity: vg = max. 240 m/s (787 ft/s) for carbon, 
max. 40 m/s (131 ft/s) for PTFE compound
Radial play: ±2.0 mm (±0.08")
Axial movement: theoretically unlimited
Recommended wear guard: > 58 HRC

(4)Materials
Seal ring: Carbon, PTFE compound
Chamber and housing parts: 1.4021, 1.4571, Hastelloy®, Titanium, Inconel®, others
Tension spring: 1.4571, Hastelloy®, Titanium, Inconel®
Secondardy seal (elastomer): Fluorocarbon rubber (Viton®), Nitrile-butadiene-rubber (Perbunan®), Perfluorocarbon rubber (Kalrez®)
Secondary seal (gasket): Statotherm®-HT/HD, KSiL C 4400

(5)Standards and approvals 
• Material approvals: FDA

(6)Item            Description                                                   Variable for  width
    1.1               Seal ring 
    1.2               Tension spring  
    2                  Chamber                                                        A
    2.1               Chamber with O-Ring                                    A
    3                  Barrier gas chamber                                      B
    3.1               Barrier gas chamber with O-Rings                B
    4                  Lantern chamber                                           C
    4.1               Lantern chamber with O-Ring                       C
    5                  Lantern thin                                                   E
    5.1               Lantern wide                                                  F
    6                  End ring                                                         G
    7                  Flat seal                                                         H
    8*                Housing
    9*                Lid
    10*              O-Ring housing
* On request

(7)Recommended applications 
• Chemical and petrochemical industry 
• Pulp and paper industry 
• Metal production and processing 
• Power plant technology
• Integral-gear compressors (one or multi-stage) 
• Screw and chiller compressors 
• Steam turbines 
• Regulating devices 
• Gases 
• Fumes and exhaust, solids containing, flammable (ATEX), acid containing and toxic gases
• (Solids containing) steams/liquid mist 
• Oil mist/penetrating oil 
• Water 
• Oil and gas industry 
• Refining technolog

 

Detailed Photos
174 Espey WKA250ND Mechanical Seals for Pumps Pusher Seals
174 Espey WKA250ND Mechanical Seals for Pumps Pusher Seals
174 Espey WKA250ND Mechanical Seals for Pumps Pusher Seals
 
Product Structure Size

Dimensions in mm 

dh6 DH7 d1 A B C E F G H
20 60.0 22.0 8.0 21.0 16.0 11.0 - 5.0 1.0
25 65.0 27.0 8.0 21.0 16.0 11.0 - 5.0 1.0
30 70.0 32.0 8.0 21.0 16.0 11.0 - 5.0 1.0
35 75.0 37.0 8.0 21.0 16.0 11.0 - 5.0 1.0
40 80.0 42.0 8.0 21.0 16.0 11.0 - 5.0 1.0
45 90.0 47.0 8.0 21.0 16.0 11.0 - 5.0 1.0
50 100.0 52.0 8.0 21.0 16.0 11.0 17.0 5.0 1.0
55 105.0 57.0 8.0 21.0 16.0 11.0 17.0 5.0 1.0
60 110.0 62.0 8.0 21.0 16.0 11.0 17.0 5.0 1.0
65 115.0 67.0 8.0 21.0 16.0 11.0 17.0 5.0 1.0
70 120.0 72.0 8.0 21.0 16.0 11.0 17.0 5.0 1.0
75 125.0 77.0 8.0 21.0 16.0 11.0 17.0 5.0 1.0
80 130.0 82.0 8.0 21.0 16.0 11.0 17.0 5.0 1.0
85 135.0 87.0 8.0 21.0 16.0 11.0 17.0 5.0 1.0
90 140.0 92.0 8.0 21.0 16.0 11.0 17.0 5.0 1.0
95 145.0 97.0 8.0 21.0 16.0 11.0 17.0 5.0 1.0
100 150.0 102.0 8.0 21.0 16.0 11.0 17.0 5.0 1.0
105 155.0 107.0 8.0 21.0 16.0 11.0 17.0 5.0 1.0
110 160.0 112.0 8.0 21.0 16.0 11.0 17.0 5.0 1.0
115 165.0 117.0 8.0 21.0 16.0 11.0 17.0 5.0 1.0
120 190.0 123.0 10.0 27.0 21.0 15.0 20.0 8.0 2.0
130 200.0 133.0 10.0 27.0 21.0 15.0 20.0 8.0 2.0
140 210.0 143.0 10.0 27.0 21.0 15.0 20.0 8.0 2.0
150 220.0 153.0 10.0 27.0 21.0 15.0 20.0 8.0 2.0
160 230.0 163.0 10.0 27.0 21.0 15.0 20.0 8.0 2.0
170 240.0 173.0 10.0 27.0 21.0 15.0 20.0 8.0 2.0
180 250.0 183.0 10.0 27.0 21.0 15.0 20.0 8.0 2.0
190 260.0 193.0 10.0 27.0 21.0 15.0 20.0 8.0 2.0
200 270.0 203.0 10.0 27.0 21.0 15.0 20.0 8.0 2.0
210 280.0 213.0 10.0 27.0 21.0 15.0 20.0 8.0 2.0
220 290.0 223.0 10.0 27.0 21.0 15.0 20.0 8.0 2.0
230 300.0 233.0 10.0 27.0 21.0 15.0 20.0 8.0 2.0
240 310.0 243.0 10.0 27.0 21.0 15.0 20.0 8.0 2.0
250 320.0 253.0 10.0 27.0 21.0 15.0 20.0 8.0 2.0
260 330.0 263.0 10.0 27.0 21.0 15.0 20.0 8.0 2.0
270 340.0 273.0 10.0 27.0 21.0 15.0 20.0 8.0 2.0
280 350.0 283.0 10.0 27.0 21.0 15.0 20.0 8.0 2.0
290 360.0 293.0 10.0 27.0 21.0 15.0 20.0 8.0 2.0
300 370.0 303.0 10.0 27.0 21.0 15.0 20.0 8.0 2.0
Special sizes on request.
Packaging & Shipping
174 Espey WKA250ND Mechanical Seals for Pumps Pusher Seals
174 Espey WKA250ND Mechanical Seals for Pumps Pusher Seals

 

Our Advantages

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.

FAQ

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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From payment to delivery, we protect your trading.
174 Espey WKA250ND Mechanical Seals for Pumps Pusher Seals pictures & photos
174 Espey WKA250ND Mechanical Seals for Pumps Pusher Seals
US $20-50 / Piece
Min. Order: 5 Pieces
Gold Member Since 2022

Suppliers with verified business licenses

Secured Trading Service
Manufacturer/Factory
Registered Capital
1000000 RMB
Plant Area
101~500 square meters