... L18*16 to L32*25· Colors: Silver white or yellow · Connection: Thread joint· Certification: ISO9001, ISO14001 · Applications: cold or hot ... 2. We have the unique heat treatment technology, to secure fast connection.3. Perfect sealing, to assure long working life.4. ... Specially designed tool for jointing,to guarantee more reliable and fast connection.5. Wide ranges of applications, no matter for cold& ...