Product Application: Used for sealing pistons in reciprocating hydraulic cylinders and pneumatic cylinders, in combination with O-rings.
Material: Nitrile rubber, polyurethane
Product Hardness: 70±5° A, 85±5° A
Operating Temperature: -40~+80°C
Operating Pressure: 1~32MPa
Operating Medium: Liquid, Gas
Standard Source: HG4-331-66G51-6
Features: Good wear resistance; strong compression resistance; excellent elasticity.

Size: Custom Size Place of Origin: Hebei, China Brand Name: TONGDA Model Number: Polyurethane Seal Material: PU Standard or Nonstandard: Standard Reciprocating Speed: ≤0.5m/s Operating Temperature: -35°C - +120°
Installation Instructions
Ensure optimal performance of your Polyurethane seal with these key steps: 1. Enhance lubrication quality, regulate oil pressure, temperature, and flow, and optimize oil filtration. 2. Select fuels and lubricants that meet specified standards. 3. Maintain the temperature of the diesel generator set, preventing overcooling or overheating, and preheat in cold conditions if necessary. 4. Guarantee the superior surface quality of the piston rod and journal. 5. Maintain precise piston rod clearance for seamless operation.
Our commitment to excellence is reflected in our integrity and contractual adherence to ensure superior quality. We offer a comprehensive range with competitive pricing and provide online consultations with swift responses. Our professional after-sales tracking service ensures rapid issue resolution, delivering exceptional support and peace of mind.
Experience our stellar after-sales service, featuring: 1. Prompt responses to inquiries within 12 hours. 2. Welcoming OEM services with personalized logo printing on products and packaging. 3. Swift and efficient after-sales support. 4. Complimentary samples for your inspection needs. 5. Resolution of issues within 24 hours, including free product replacements, ensuring your satisfaction.
Ningbo Haga Seals Industries Co., Limited is a specialist manufacturer of mechanical seals and seal material, such as Silicon Carbide Seal Ring, Tungsten Carbide Seal Ring, Alumina Ceramic Seal Ring, O Ring, packing and gasket, etc.
HAGA is managed by highly qualified technologists and engineers, and has strict quality control system, and enjoy a good reputation in our clients.
Now our products are well popular in America, southeast Asia, MID-Asia and so on, our customers are satisfied with our competitive price, superior quality.
We intend to market our products by leading manufacturers across the world and are open to enquiries. We are committed to providing high quality products at affordable and reasonable prices using the latest technologies to practice in the most thorough and efficient manner. Our company goal is to provide with superior most quality and best services possible to our valuable clients.
Q1: Are you a manufacturer or a trading company?
A: We are a manufacturer of water pumps and motors in China.
Q2: Where is your factory?
A: No.25-1, Wanyangzhongchuangcheng, Xiangshan, Ningbo City, China
Q3: What are your terms of payment?
A: Payment <=1000USD, 100% in advance. Payment >=1000USD, 30% T/T in advance, balance before shipment.
Q4: What about delivery time?
A: Normally, 30 days after the receipt of payment.
Q5: About shipment?
A: By sea, by air, and by express delivery.
Q6: About sample?
A: Available.