? na-anabata TDF-K40s solenoid valve, nke nwere ?d?d? d? mfe ma mara mma nke b? isi nke 4mm carbon steel, na k?l?m nkwado b? nke 14 # ?wa ígwè nwere ike ?wep? na nt?ziaka nwere ike ?t?ghar? na uche, nke d? mma maka njem na ntinye;