FAQ

The selection depends on pipe size, pressure rating, working medium, temperature, flange standard and required movement. Common rubber materials include EPDM for water and air, NBR for oil, and FKM/Viton for high temperature or chemical applications.

Please provide product type, size, pressure rating, material, flange standard, quantity, working medium and delivery destination. Drawings, photos or technical specifications are also helpful for accurate quotation.

Yes. We can customize rubber expansion joints, metal bellows, dismantling joints, waterproof sleeves, flanges and other pipeline fittings according to drawings, standards or project requirements.

We can supply products according to common international standards, including ANSI/ASME, DIN, EN, JIS, GB and other project-specific requirements. Flange standards such as ASME Class 150/300, DIN PN10/PN16 and JIS 10K are commonly available.

For standard rubber expansion joints, delivery time is usually 5–7 days. For metal expansion joints, customized fittings or large-size products, the delivery time depends on drawings, materials, quantity and production schedule.