| SQ-2A-30-A-C | Stainless Steel Tamper Resistant Cover. | 7 to 210 bar (70 bar Standard Setting) | | | |
| SQ-2A-30-A-L (alternative for SUN SQFB-LAN) | Leakproof hex. socket screw. | 7 to 210 bar (70 bar Standard Setting) | SQFB-LAN | | |
| SQ-2A-30-B-C | Stainless Steel Tamper Resistant Cover. | 3.5 to 105 bar (70 bar Standard Setting) | | | |
| SQ-2A-30-B-L (alternative for SUN SQFB-LBN) | Leakproof hex. socket screw. | 3.5 to 105 bar (70 bar Standard Setting) | SQFB-LBN | | |
| SQ-2A-30-C-C | Stainless Steel Tamper Resistant Cover. | 10.5 to 420 bar (70 bar Standard Setting) | | | |
| SQ-2A-30-C-L (alternative for SUN SQFB-LCN) | Leakproof hex. socket screw. | 10.5 to 420 bar (70 bar Standard Setting) | SQFB-LCN | | |
| SQ-2A-30-D-C | Stainless Steel Tamper Resistant Cover. | 1.7 to 55 bar (28 bar Standard Setting) | | | |
| SQ-2A-30-D-L (alternative for SUN SQFB-LDN) | Leakproof hex. socket screw. | 1.7 to 55 bar (28 bar Standard Setting) | SQFB-LDN | | |
| SQ-2A-30-E-C | Stainless Steel Tamper Resistant Cover. | 1.7 to 28 bar (14 bar Standard Setting) | | | |
| SQ-2A-30-E-L (alternative for SUN SQFB-LEN) | Leakproof hex. socket screw. | 1.7 to 28 bar (14 bar Standard Setting) | SQFB-LEN | | |
| SQ-2A-30-W-C | Stainless Steel Tamper Resistant Cover. | 10 to 315 bar (70 bar Standard Setting) | | | |
| SQ-2A-30-W-L (alternative for SUN SQFB-LWN) | Leakproof hex. socket screw. | 10 to 315 bar (70 bar Standard Setting) | SQFB-LWN | | |
