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Saqlovchi klapanlar, shu jumladan tushirish klapanlari: kamon SPPK4 (17s23nzh), quvur liniyasiga gardish ulanishi, majburiy ochish uchun qurilmasiz, nominal bosim 4,0 MPa, nominal diametri 150 mm — MXIK (IKPU) kodi 08481008003000069 · Tasnif by Krafta