
Brass Copper Differential Pressure Sustaining Control Valve (GL800X). Differential Pressure Control: Sustains preset differential pressure between two sides regardless of upstream pressure changes. Anti-Backflow Protection: Extra non-return valve assembly ensures automatic closure during backflow events. Flexible Actuation Options: Available in Diaphragm actuated and Piston actuated types for diverse applications. Wide Material Selection: Body options include Cast iron, Ductile iron, Cast steel, and Stainless steel. Low MOQ Acceptance: Minimum Order Quantity is just 1 Pc, supporting small orders. Full Customization Support: Supports customization from samples, designs, and full customization options. Fast Delivery Capability: Off-season lead time is within 15 workdays with prompt delivery guarantee. Strict Quality Control: 100% inspection for finished products including visual and function checks.