FIELD: valve. SUBSTANCE: gate is preliminary pressed to the seat by use of an elastic diaphragm rigidly secured to the gate. The diaphragm is secured inside the housing by way of a nut. EFFECT: enhanced reliability.
申请公布号
RU94010282(A)
申请公布日期
1996.07.27
申请号
RU19940010282
申请日期
1994.03.14
申请人
SANKT-PETERBURGSKOE AKTSIONERNOE OBSHCHESTVO ZAKRYTOGO TIPA - PROIZVODSTVENNOE OB"EDINENIE "PARGOLOVSKIJ ZAVOD"
