| CW-21A-4A-F-C | Stainless Steel Tamper Resistant Cover. | 70 to 175 bar (140 bar Standard Setting) | | | |
| CW-21A-4A-F-L | Leakproof hex. socket screw. | 70 to 175 bar (140 bar Standard Setting) | | | |
| CW-21A-4A-G-C | Stainless Steel Tamper Resistant Cover. | 140 to 420 bar (280 bar Standard Setting) | | | |
| CW-21A-4A-G-L | Leakproof hex. socket screw. | 140 to 420 bar (280 bar Standard Setting) | | | |
| CW-21A-4A-H-C | Stainless Steel Tamper Resistant Cover. | 70 to 280 bar (210 bar Standard Setting) | | | |
| CW-21A-4A-H-L (alternative for SUN CWCK-LHN) | Leakproof hex. socket screw. | 70 to 280 bar (210 bar Standard Setting) | CWCK-LHN | | |
| CW-21A-4A-I-C | Stainless Steel Tamper Resistant Cover. | 25 to 105 bar (70 bar Standard Setting) | | | |
| CW-21A-4A-I-L (alternative for SUN CWCK-LIN) | Leakproof hex. socket screw. | 25 to 105 bar (70 bar Standard Setting) | CWCK-LIN | | |
| CW-21A-4C-F-C | Stainless Steel Tamper Resistant Cover. | 70 to 175 bar (140 bar Standard Setting) | | | |
| CW-21A-4C-F-L | Leakproof hex. socket screw. | 70 to 175 bar (140 bar Standard Setting) | | | |
| CW-21A-4C-G-C | Stainless Steel Tamper Resistant Cover. | 140 to 420 bar (280 bar Standard Setting) | | | |
| CW-21A-4C-G-L | Leakproof hex. socket screw. | 140 to 420 bar (280 bar Standard Setting) | | | |
| CW-21A-4C-H-C | Stainless Steel Tamper Resistant Cover. | 70 to 280 bar (210 bar Standard Setting) | | | |
| CW-21A-4C-H-L (alternative for SUN CWCA-LHN) | Leakproof hex. socket screw. | 70 to 280 bar (210 bar Standard Setting) | CWCA-LHN | | |
| CW-21A-4C-I-C | Stainless Steel Tamper Resistant Cover. | 25 to 105 bar (70 bar Standard Setting) | | | |
| CW-21A-4C-I-L (alternative for SUN CWCA-LIN) | Leakproof hex. socket screw. | 25 to 105 bar (70 bar Standard Setting) | CWCA-LIN | | |
