| Customization: | Available |
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| Structure: | Single End |
| Pressure: | High Pressure Mechanical Seals |
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(1)Features
• Cartridge design
• Single seal
• Balanced
• Dependent of direction of rotation
• Integrated pumping device
• Stationary spring loaded unit
• Shrink-fitted seal face
• Multiple springs
(2)Advantages
• Deformation-optimized seal for high sliding velocities and medium pressures
• Economical due to standardized inner components
• Universal application for OEM or retrofits of boiler feed water pumps with floating ring seals, labyrinths or packings
• High flexibility due to adaptation of the connection parts to the pump seal chamber
• Optimum heat dissipation due to integrated pumping device and optimized seat design
• Insensitive to shaft deflections due to stationary design
• Pre-assembled unit for quick and easy installation
• Only small number of components
• Short built
(3)Operating range (see note on page 1)
Shaft diameter: d1* = 40 ... 250 mm (1.57" ... 9.84")
Pressure: p1 = 50 bar (725 PSI)
Temperature: t = 300 °C (572 °F)
Sliding velocity: vg = 60 m/s (197 ft/s)
Axial movement: ±3 mm
* Other sizes on request
(4)Materials
Seal face: Silicon carbide (Q), Carbon graphite antimony
impregnated (A), Carbon graphite resin impregnated (B)
Seat: Silicon carbide (Q)
Secondary seals: EPDM (E), FFKM (K)
Springs: CrNiMo steel (G)
Metal parts: CrNiMo steel (G)
(5)Recommended seal supply
• API Plan 23
(6)Recommended applications
• Power plant technology
• Boiler feed water pumps
(7)Item Description
1.1.1 Seal face
1.1.3 Spring
1.2 Seat
2 Shaft sleeve
6 Cover
8 Pumping screw with flow guide
9 Assembly fixture
14 Shrink disk
(8)Product variant
SHF4
Single mechanical seal with integrated jacket cooling, for boiler feed pumps.
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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