????? ???????????? ????

01

????????????? PN16 PN25 ???? ???????????? ????????? ?????????? ...

01

AWWA c504 ?????? ???? ???????????? ????????? ??????

01

??????? ???????? ?????????? ????????? ?????? ??????? (...

01

GGG40/GGG50 ????? ???????? ??????? ????????? ?????? (BFV-1008)

01

EPDM ??????????? ???????????? ??????? ???? ???????

01

?????? ???????????? DI ?????? ???? SW ???? ?????? (GV-Z-14)

01

HDPE ?????????? ???????????? ?????? ???? ???? (GV-A-4)

01

BS5163 ???????? ??????? ????? ???????????? ???? ?????? ?????? ?????? ??...

01

ANSI ???????? ??????? ???? ?????? ?????? ?????? ???????? ?????? GV-H-A06

01

???????? ??????? ANSI ???? RS ???? ?????? GV-H-AF03

01

ANSI 150LBS ???????? ??????? NRS ???? ?????? (GV-H-05)

01

ISO 5211 ???? ??????? ???????? ???????? ??????? ???? ?????? (GV-H-T03)