Product Overview:

Stainless steel flanged gate valves are suitable for pipelines in various systems such as oil, chemical, hydraulic, and thermal power stations, with nominal pressure of PN1.6～16.0MPa and operating temperature of ≤-29℃～550℃, for cutting off or connecting pipeline mediums. Applicable mediums include water, oil products, steam, and acids, alkalis, ammonia, urea, etc.

Z41W Stainless Steel Gate Valve Execution Standard:

Design Specification: GB/T 12234

Structure Length: GB/T 12221

Flanged Connection: JB/T 79

Testing and Inspection: JB/T 9092

Pressure-Temperature: GB/T 9131

Product Identification: GB/T 12220

Z41W Stainless Steel Gate Valve Product Features:

1. Compact structure, reasonable design, rigid valve, smooth flow path, and low flow coefficient.

2. The sealing surface is made of stainless steel and hard alloy, offering a long service life.

3. Utilizes flexible graphite packing for reliable sealing, easy operation, and flexibility.

4. Drive modes include manual, pneumatic, electric, and gear-driven

5. Structural forms include elastic wedge single gate plate, rigid wedge single gate plate, and double gate plate type.

Z41W Stainless Steel Gate Valve Structural Features:

1. Carefully selected materials meet both domestic and international standards, ensuring high quality.

2. Meets the requirements of advanced domestic and international standards, featuring reliable sealing, excellent performance, and aesthetically pleasing design.

3. The sealing pair is advanced and rational, with the sealing surfaces of the gate and valve seat being made by surfacing with different hardness Stellite cobalt-based hard alloys. This ensures reliable sealing, high hardness, excellent wear resistance, high-temperature resistance, corrosion resistance, good abrasion resistance, and long service life.

4. The valve stem has been heat-treated and surface-nitrated, offering excellent corrosion resistance, wear resistance, and scratch resistance.

5. Equipped with a wedge-type elastic gate structure, medium and large diameter thrust bearings are set up for minimal friction, and a collision handwheel is included for easy opening and closing.

6. Various pipe flange standards and sealing surface forms are available to meet diverse engineering requirements and customer needs.

Instructions for Ordering Z41W Stainless Steel Gate Valves:

When the user has confirmed the type and model of the valve (especially non-standard models), the user should correctly describe the meaning and requirements of the model.

2. Customers should order based on the product models listed in the sample. If there are any special requirements for the product items, please specify them in the order.

1) Structural Length 2) Flange Standard 3) Valve Structure Type: such as full bore or reduced bore passage, body and cover connection type 4) Valve internal parts and other material requirements 5) Pressure Test, Inspection Standards, Marking, and Other Requirements

3. When the application of the valve is very critical or the environment is relatively complex, please provide design drawings and detailed specifications for our experts to review and ensure quality.

4. We can customize electric devices, pneumatic drive units, and turbine equipment to meet specific customer requirements.

5. Our valves, produced in various types, meet all the requirements specified in the order. Each product undergoes rigorous inspections and tests according to the relevant standards prior to shipment.

6. All Zhongzhi Valves products come with a warranty period of 12 months from the date of official installation by the customer or 18 months from the date of manufacture.