Обратный клапан DK V33A-F-2N-1/3, V33A-F-2N-1/3-BN, V33A-F-2N-1/3-EP, V33A-F-2N-1/3-KZ, V33A-F-2N-1/3-NE, V33A-F-2N-1/3-PE, V33A-F-2R-1/3, V33A-F-2R-1/3-BN, V33A-F-2R-1/3-EP, V33A-F-2R-1/3-KZ, V33A-F-2R-1/3-NE, V33A-F-2R-1/3-PE