CVKR大口径止回阀（、消声）

JHL41X-16/25多功能止回阀

XL-T/F鸭嘴式橡胶止回阀

DHH44X-10/16蝶式缓闭消声止回阀

HH46X/HH48X/HH49X-10/16微阻缓闭蝶型止回阀

HH44X-10/16微阻缓闭止回阀

HQ44X-16立式球型止回阀

HH77X-10/16Q蝶型止回阀

HQ41X-16卧式球型止回阀

HC44X-10/16Q橡胶瓣止回阀

HC42X-16Q止回阀

HC41X-10/16Q法兰消声止回阀