| PW-21A-40-A-C | Stainless Steel Tamper Resistant Cover. | 7 to 210 bar (14 bar Standard Setting) | | | |
| PW-21A-40-A-K (alternative for SUN PVDA-KAN) | Handknob with Lock Knob. | 7 to 210 bar (14 bar Standard Setting) | PVDA-KAN | | |
| PW-21A-40-A-L (alternative for SUN PVDA-LAN) | Leakproof hex. socket screw. | 7 to 210 bar (14 bar Standard Setting) | PVDA-LAN | | |
| PW-21A-40-B-C | Stainless Steel Tamper Resistant Cover. | 3.5 to 105 bar (14 bar Standard Setting) | | | |
| PW-21A-40-B-K | Handknob with Lock Knob. | 3.5 to 105 bar (14 bar Standard Setting) | | | |
| PW-21A-40-B-L (alternative for SUN PVDA-LBN) | Leakproof hex. socket screw. | 3.5 to 105 bar (14 bar Standard Setting) | PVDA-LBN | | |
| PW-21A-40-D-C | Stainless Steel Tamper Resistant Cover. | 1.7 to 55 bar (14 bar Standard Setting) | | | |
| PW-21A-40-D-K | Handknob with Lock Knob. | 1.7 to 55 bar (14 bar Standard Setting) | | | |
| PW-21A-40-D-L (alternative for SUN PVDA-LDN) | Leakproof hex. socket screw. | 1.7 to 55 bar (14 bar Standard Setting) | PVDA-LDN | | |
| PW-21A-40-E-C | Stainless Steel Tamper Resistant Cover. | 1.7 to 28 bar (14 bar Standard Setting) | | | |
| PW-21A-40-E-K | Handknob with Lock Knob. | 1.7 to 28 bar (14 bar Standard Setting) | | | |
| PW-21A-40-E-L (alternative for SUN PVDA-LEN) | Leakproof hex. socket screw. | 1.7 to 28 bar (14 bar Standard Setting) | PVDA-LEN | | |
| PW-21A-40-W-C | Stainless Steel Tamper Resistant Cover. | 10.5 to 315 bar (14 bar Standard Setting) | | | |
| PW-21A-40-W-K | Handknob with Lock Knob. | 10.5 to 315 bar (14 bar Standard Setting) | | | |
| PW-21A-40-W-L (alternative for SUN PVDA-LWN) | Leakproof hex. socket screw. | 10.5 to 315 bar (14 bar Standard Setting) | PVDA-LWN | | |
