Surface Treatment :ultrasonic cleaning 

Process Technic : cold forming

Material: SUS 304 2B, 

Sealing material: NBR / EPDM 

Apply to: 20/30/50 Liter beer keg, supply any length

Thread: 2"- 14 TIP(with safety latch or without safety latch) 

Threadless, retaining ring connection, bayonet safety. 

Spring: SUS304, 

tensile strength: ob =1080-1420Mpa.