China, API 6D, segel kembar, orbit, dual ngembangaken, DBB plug katup, Umum tutup, Pabrik, Pabrik, Price, Flanged, RF, RTJ, Two bêsik, telung bêsik, PTFE, RPTFE, Metal, kursi, bolongan lengkap, nyuda bore, tekanan dhuwur, suhu dhuwur, bahan klep duwe baja karbon, stainless steel, A216 WCB, A351 CF3, CF8, CF3M, CF8M, A352 LCB, LCC, LC2, A995 4A.5A, Alloy 20, Monel, Inconel, Hastelloy, Aluminium Bronze lan campuran khusus liyane.Tekanan saka Kelas 150LB, 300LB, 600LB, 900LB, 1500LB, 2500LB