คำอธิบาย
BK3 
| model | port size (ฺBSPP) | Max. Pressure ( bar ) | weight (kg) |
| BK3-DN4-G1/8 | 1/8″ | 500 | 0.40 |
| BK3-DN6-G1/4 | 1/4″ | 500 | 0.46 |
| BK3-DN10-G3/8 | 3/8″ | 500 | 0.60 |
| BK3-DN13-G1/2 | 1/2″ | 500 | 0.70 |
| BK3-DN20-G3/4 | 3/4″ | 315 | 1.80 |
| BK3-DN25-G1 | 1″ | 315 | 2.40 |
| BK3-DN32-G1 1/4 | 1 1/4″ | 350 | 4.80 |
| BK3-DN40-G1 1/2 | 1 1/2″ | 350 | 8.90 |
| BK3-DN50-G2 | 2″ | 350 | 12.40 |
