Mechanical Seal Lw-01 for Lowara Pump

• Customization: Available
• Structure: Single End
• Pressure: Medium Pressure Mechanical Seals
• Model NO.: Lw-01
• Speed: General Speed Mechanical Seal
• Temperature: Temperature Mechanical Seal
• Performance: Corrosion
• Standard: Standard
• Balance: Balanced
• Qt Seal: Customized Seal
• Lowara Pump: Lowara-01 Seal
• Quality: 12 Month Guarantee
• Brand: Queeny
• Transport Package: Customized Package
• Specification: standard
• Trademark: QT
• Origin: China
• HS Code: 84842000
• Production Capacity: 10000
• Package Size: 10.00cm * 10.00cm * 10.00cm
• Package Gross Weight: 1.000kg

Product Description

1. General Specifications

Parameter	Specification
Model Number	LW-01
Type	Double Spring, Balanced, Pusher Type
Design Standard	ISO 21049 (API 682 Plan 11/52 Compliant)
Industry Applications	Chemical Processing, Refineries, Power Plants, Marine, High-Temperature Pumps
Seal Configuration	Rotating Seal with Stationary Seat (Cartridge Design Available)

 

2. Material Specifications

Component	Material Options
Primary Seal Faces	- Rotary: Silicon Carbide (SiC), Tungsten Carbide (WC), Alumina Ceramic
	- Stationary: Carbon Graphite, Reaction-Bonded SiC
Secondary Seals	- Ethylene Propylene Diene Monomer (EPDM), Perfluoroelastomer (FFKM), Nitrile (NBR)
Metal Parts	- Austenitic Stainless Steel (SS316L), Hastelloy C276, Titanium Grade 2
Springs	- Stainless Steel (SS316), Inconel X750
Gaskets	- Expanded Graphite, Flexible Graphite with Stainless Steel Reinforcement

 

3. Performance Parameters

Parameter	Range
Pressure Range	- Static Pressure: 0 to 5.0 MPa (725 psi)
	- Dynamic Pressure: 0 to 3.5 MPa (500 psi)
Temperature Range	- Standard: -40°C to +250°C (-40°F to +482°F)
	- High-Temp Version: Up to 400°C (752°F) with ceramic components
Shaft Speed	- Max Linear Speed: 25 m/s (82 ft/s)
	- Max RPM: 10,000 (dependent on shaft diameter)
Shaft Diameter Range	15 mm to 150 mm (0.6 in to 5.9 in) - Custom Sizes Available
Face Lubrication	Liquid, Gas, or Dry Running (Requires Specific Material Compatibility)

 

4. Dynamic Performance Metrics

Parameter	Value
Leakage Rate	≤ 5 ml/hr (API 682 Compliant)
Friction Coefficient	0.02-0.08 (SiC vs. Carbon), 0.05-0.12 (WC vs. WC)
Service Life	15,000-25,000 hours (Under Optimal Conditions)
Breakaway Torque	≤ 1.5 N·m (13.3 lb·in)
Axial Movement Tolerance	±0.5 mm (±0.02 in)

 

5. Fluid Compatibility

Media Type	Compatibility
Water & Steam	Full Compatibility (Including Superheated Steam)
Oils & Fuels	Mineral Oil, Diesel, Kerosene, Synthetic Lubricants
Chemicals	- Acids: Sulfuric (≤50%), Hydrochloric (≤20%)
	- Alkalis: Sodium Hydroxide (≤30%), Ammonia
	- Solvents: Acetone, Methanol, Ethylene Glycol
Abrasives	Limited (Not Recommended for Slurries >5% Solids)

 

6. Environmental & Safety Data

Parameter	Specification
IP Rating	IP68 (Submersible up to 10 m for 72 hrs)
Explosion-Proof	ATEX/IECEx Certified (Optional)
Emissions Compliance	TA-Luft, EPA 21/40 CFR Part 60
Vibration Tolerance	≤ 4.5 mm/s RMS (Per ISO 10816-3)

 

7. Installation & Maintenance

Parameter	Guideline
Installation Torque	15-20 N·m (11-15 lb·ft) for Set Screws
Alignment Tolerance	≤ 0.05 mm (0.002 in) Misalignment
Maintenance Interval	8,000-12,000 Hours (Condition Monitoring Recommended)
Replacement Indicators	- Leakage > 10 ml/hr
	- Increased Vibration/Noise

 

8. Certifications & Testing

Standard	Compliance
Quality Management	ISO 9001:2015
Pressure Testing	Hydrostatic Test at 1.5x Max Pressure (Per API 682)
Dimensional Inspection	Per ANSI B93.55
Material Traceability	EN 10204 3.1 Certification Available

Queeny design engineers are able to produce a seals solution for the most basic applications,to those that are extremely complicated and unique. We are able to provide you these solutions supported by life test data and years of excellent field performance.As your partner, we provide sealing solutions for centrifugal pumps,agitators and other rotating equipment, and help you consolidate your brand and market position.

Mechanical sealing adopts the principle of mechanical friction sealing, which has excellent sealing performance, which can effectively prevent leakage and protect the safety of the environment and equipment. Compared with traditional packing seals and rotary seals, the sealing effect of mechanical seals is more reliable.

Our products are made of high quality materials and manufacturing processes, with a long service life and low cost of use. It can effectively reduce the maintenance costs and operating costs of equipment .

Our mechanical seals are designed to be easy to service and replace,simply by removing the sealing components and replacing the sealing surface and sealing ring. Compared with other sealing forms, our products are more convenient to repair and replace.

Mechanical seal is suitable for high temperature, low temperature, high pressure, vacuum and corrosive media and other complex environment, to ensure the stable operation of the equipment.

Shanghai Queeny Mechanical Equipment Co.,Ltd.is an enterprise specializing in the R&D,manufacture and export of mechanical seal products,headquartered in Pudong New Area,Shanghai.Our products mainly include component seals,dry gas seals,metal bellows seals,mixer and agitator seals,single & dual cartridge seals,silicon carbide parts and tungsetn carbide parts,which can replace John Crane, Burg--mann, AES, Chesterton,Flowserve,Rotenand other similar products,they are widely used in water treatment,petroleum,chemical,food,medical and other industries.
Relying on first-class technology and professional services,since its establishment, Queeny has carried out in-depth cooperation with hundreds of companies in more than 70 countries around the world.Our products are exported to Asia,Europe,North America,South America,Oceania and Africa in large quantities every year,and have been widely praised.Super high cost performance is the basis of our long-term cooperation with customers.We always rigorously treat clients' requirements,strictly control the production process,and comprehensively monitor the export procedure.It is our mission to reduce production and operation costs for more enterprises all over the world.

Q1: Are you a trading company or a factory?
We are a factory, so we can offer you factory prices with high quality.

Q2: Can I get samples?
Yes. You can ask for samples. Usually it's free, but you need to pay for shipping.

Q3: Can l use my own logo or design on the goods?
Yes, we provide OEM/ODMservices; your logo and design can be printed on the products.

Q4: What are your payment terms?
We accept T/T, Paypal, Western Union, and credit card payment is also welcome.

Q5: How about the delivery time?
For stock items, we can ship immediately after receiving the payment.
For other products, we need 14-25 days for mass production, which depends on the quantity and type of order.

Q6: How can we ensure the quality?
Pre-production samples are required before mass production;Final inspection is required before shipment;

Q7: 1 can't find our products in your catalog, can you customize the products for us?
Yes, customized products are available, OEM is welcome.

Q8: Can l buy pumps or pump parts from your company?
Yes, we also provide pumps and pump parts.