Siemens VAI61.20-4 2-port ball valve, internal thread, PN40, DN20, kvs 4 Internally threaded connections Rp.. as per ISO 7-1.For use in heating, ventilating and air conditioning plants as a control...
Siemens VAI61.15-4 2-port ball valve, internal thread, PN40, DN15, kvs 4 Internally threaded connections Rp.. as per ISO 7-1.For use in heating, ventilating and air conditioning plants as a control...