| PV-21A-40-A-C | Stainless Steel Tamper Resistant Cover. | 7 to 210 bar (14 bar Standard Setting) | | | |
| PV-21A-40-A-K (alternative for SUN PVDB-KAN) | Handknob with Lock Knob. | 7 to 210 bar (14 bar Standard Setting) | PVDB-KAN | | |
| PV-21A-40-A-L (alternative for SUN PVDB-LAN) | Leakproof hex. socket screw. | 7 to 210 bar (14 bar Standard Setting) | PVDB-LAN | | |
| PV-21A-40-B-C | Stainless Steel Tamper Resistant Cover. | 3.5 to 105 bar (14 bar Standard Setting) | | | |
| PV-21A-40-B-K (alternative for SUN PVDB-KBN) | Handknob with Lock Knob. | 3.5 to 105 bar (14 bar Standard Setting) | PVDB-KBN | | |
| PV-21A-40-B-L (alternative for SUN PVDB-LBN) | Leakproof hex. socket screw. | 3.5 to 105 bar (14 bar Standard Setting) | PVDB-LBN | | |
| PV-21A-40-D-C | Stainless Steel Tamper Resistant Cover. | 1.7 to 55 bar (14 bar Standard Setting) | | | |
| PV-21A-40-D-K (alternative for SUN PVDB-KDN) | Handknob with Lock Knob. | 1.7 to 55 bar (14 bar Standard Setting) | PVDB-KDN | | |
| PV-21A-40-D-L (alternative for SUN PVDB-LDN) | Leakproof hex. socket screw. | 1.7 to 55 bar (14 bar Standard Setting) | PVDB-LDN | | |
| PV-21A-40-E-C | Stainless Steel Tamper Resistant Cover. | 1.7 to 28 bar (14 bar Standard Setting) | | | |
| PV-21A-40-E-K (alternative for SUN PVDB-KEN) | Handknob with Lock Knob. | 1.7 to 28 bar (14 bar Standard Setting) | PVDB-KEN | | |
| PV-21A-40-E-L (alternative for SUN PVDB-LEN) | Leakproof hex. socket screw. | 1.7 to 28 bar (14 bar Standard Setting) | PVDB-LEN | | |
| PV-21A-40-W-C | Stainless Steel Tamper Resistant Cover. | 10 to 315 bar (14 bar Standard Setting) | | | |
| PV-21A-40-W-K (alternative for SUN PVDB-KWN) | Handknob with Lock Knob. | 10 to 315 bar (14 bar Standard Setting) | PVDB-KWN | | |
| PV-21A-40-W-L (alternative for SUN PVDB-LWN) | Leakproof hex. socket screw. | 10 to 315 bar (14 bar Standard Setting) | PVDB-LWN | | |
