其压力有以下口径：NKQ41H-25C/P DN15真空球阀、NKQ41H-25C/P DN20真空球阀、NKQ41H-25C/P DN25真空球阀、NKQ41H-25C/PDN32真空球阀、NKQ41H-25C/P DN40真空球阀、NKQ41H-25C/P DN50真空球阀、NKQ41H-25C/P DN65真空球阀、NKQ41H-25C/PDN80真空球阀、NKQ41H-25C/P DN100真空球阀、NKQ41H-25C/P DN125真空球阀、NKQ41H-25C/P DN150真空球阀、NKQ41H-25C/P DN200真空球阀、NKQ41H-25C/P DN250真空球阀、NKQ41H-25C/P DN300真空球阀、NKQ41H-25C/P DN350真空球阀、NKQ41H-25C/P DN400真空球阀、NKQ41H-25C/P DN450真空球阀、NKQ41H-25C/P DN500真空球阀、NKQ41H-25C/P DN600真空球阀、NKQ41H-25C/P DN700真空球阀、NKQ41H-25C/P DN800真空球阀；
其压力有以下口径：NKQ41H-16C/P DN15真空球阀、NKQ41H-16C/P DN20真空球阀、NKQ41H-16C/P DN25真空球阀、NKQ41H-16C/PDN32真空球阀、NKQ41H-16C/P DN40真空球阀、NKQ41H-16C/P DN50真空球阀、NKQ41H-16C/P DN65真空球阀、NKQ41H-16C/PDN80真空球阀、NKQ41H-16C/P DN100真空球阀、NKQ41H-16C/P DN125真空球阀、NKQ41H-16C/P DN150真空球阀、NKQ41H-16C/P DN200真空球阀、NKQ41H-16C/P DN250真空球阀、NKQ41H-16C/P DN300真空球阀、NKQ41H-16C/P DN350真空球阀、NKQ41H-16C/P DN400真空球阀、NKQ41H-16C/P DN450真空球阀、NKQ41H-16C/P DN500真空球阀、NKQ41H-16C/P DN600真空球阀、NKQ41H-16C/P DN700真空球阀、NKQ41H-16C/P DN800真空球阀；