1. What’s the product features of Lanphan rubber flexible expansion joint?

Lanphan rubber flexible expansion joint has high pressure resistance, no leakage, anti pulling off, easy to install, good sealing, anti corrosion, compensate displacement and balance error.

2. What’s the structure of Lanphan rubber flexible expansion joint?

Inner rubber layer, fabric reinforcement layer, medium rubber layer, outer rubber layer, flange, clamp, etc..

3. What’s the manufacturing process of Lanphan rubber flexible expansion joint?

Matching Ingredient→Mixing→Storage→Slab Rubber→Moulding→Vulcanization→Inspection→Assemble→Pressure Test→Package

4. How many rubber sphere types does Lanphan have?

Single sphere, double sphere, three sphere, four sphere, water pump suction type sphere and bend sphere, 6 types in total.

5. What’s the flange sealing type?

Raised face flange and full face flange.

6. What’s the connection method?

Flange connection, thread connection and clamp connection.

7. What diameter can you produce?

From DN25 to DN3600mm.

8. What’s the manufacturing technology?

Mould pressing and handwork spool type.

9. How many rubber materials do you have?

NR: good elasticity, abrasion resistance;

CR: oil resistance, corrosion resistance, nonflammable;

IIR: good gas tightness, resistance to strong acid and alkali, good insulation;

NBR: oil and water resistant;

EPDM: most commonly used rubber material, acid and alkali resistance, heat and aging resistance;

Q: high temperature resistance.