1. Material Parameters

• Valve Body / Valve Cover / Gate: Cast steel (WCB, standard operating condition), stainless steel (304/316, corrosion resistant), chrome-molybdenum steel (WC6/WC9, high temperature and high pressure resistant)

• Sealing Surface: Hard alloy weld overlay (wear resistant and high pressure resistant), stainless steel (304/316, corrosion resistant)

• Valve Stem: 2Cr13 stainless steel, 304 stainless steel (corrosion resistant)

• Electric Actuator: Cast aluminum housing (lightweight and rust resistant), optional stainless steel housing (for highly corrosive environments)

2. Specification Parameters

• Nominal Diameter: DN50~DN600 (corresponding to 2"~24")

• Nominal Pressure: PN16, PN25, PN40, PN63 (suitable for medium and high pressure pipelines)

• Connection Method: Flange connection (GB/T, ANSI, DIN, etc. standards)

3. Control and Operating Condition Parameters

•Actuator Type: On/off type (receiving) DC24V/AC220V (Switch signal), Regulating type (receives 4-20mA analog signal)

•Protection rating: Actuator IP65, optional IP67 (high protection, suitable for humid and dusty environments)

•Explosion-proof rating: Optional Ex d II BT4/CT6 (suitable for flammable and explosive environments)

•Operating temperature: -29℃~425℃ (WCB material); -29℃~595℃ (WC6/WC9 material)

•Sealing rating: GB/T 13927-2008 Class IV (hard seal)

• High degree of automation: Supports remote control and PLC/DCS system linkage, enabling unattended operation and reducing labor costs, suitable for large-scale industrial production lines.

• Reliable sealing and strong pressure resistance: The hard sealing surface is wear-resistant and high-pressure resistant, suitable for PN63 and above high-pressure conditions, with no risk of leakage during long-term operation.

• Low flow resistance: In the fully open state, the gate is completely detached from the flow path, and the fluid is transported along a straight channel, resulting in extremely low pressure loss, suitable for high-flow pipelines.

• Wide Range of Applications: A variety of materials and protection levels are available, suitable for both conventional water supply and drainage, chemical pipelines, and harsh conditions such as high temperature and pressure, flammable and explosive environments, and strong corrosion.

•Convenient Installation and Maintenance: High-strength flange connections, suitable for large-diameter pipelines; easy disassembly and separation of actuators and valve bodies, low cost of replacing vulnerable parts.

•Petrochemical Industry: High-pressure pipelines for crude oil, refined oil, and chemical solvents; explosion-proof models are suitable for fluid cutoff and isolation in flammable and explosive workshops.

•Power and Energy Industry: Steam pipelines and boiler feedwater pipelines in thermal power plants and nuclear power plants; chromium-molybdenum steel models can withstand high temperature and pressure conditions.

•Municipal Engineering Industry:  Urban gas trunk lines and high-pressure water supply and drainage networks, used for network zoning control and maintenance isolation.

•Metallurgical and Mining Industry:  High-temperature fluid pipelines in metallurgical workshops and high-pressure water supply systems in mines, enabling automated on/off control of equipment and pipelines.

• Water treatment: High-pressure return pipelines in large-scale sewage treatment plants, fluid cut-off in industrial pure water systems, stainless steel models are resistant to acid and alkali corrosion.