The rubber joint quality greatly effect pipeline safety,so below explains how to identify poor quality rubber joints.

1. Surface observation, start by looking at color, according to the uniformity of color to identify the quality.
2. Touch the rubber joint surface and the inner, bubbles available at poor quality rubber joints. No scratch and abrasion damage allowed on good rubber joints.
3. No many seams at air blow molding rubber joints, with good sealing and anti-tearing function.
4. A reliable quality driven rubber joint manufacturer with strict quality control.

Gongyi XinLi Pipeline Equipment Co., Ltd. specializes in international standards flexible rubber joint products with more than 20 years production experience, products exported to Central Asia, Latin America, African, Southeast Asia, etc. Our high and strict quality requirements make our rubber expansion joint won high reputation among our customers.