Introduction

The Outside Stem Type Gate Valve provides reliable flow control with an external stem design, ensuring secure shut-off in high-pressure, high-temperature systems.

Products Description

External Stem Design
The exposed stem offers easy visibility and operation, perfect for quick adjustments in tight spaces.

High-Temperature Resistance
Made from ASTM A216 WCB and ASTM A352 materials, this valve performs reliably in temperatures up to 650°C, ensuring durability in extreme conditions.

Leak-Free Seal
The valve uses a metal-to-metal or soft-seal design, ensuring tight and leak-free operation, even in high-pressure and corrosive conditions.

Parameter information

Sizes available in	1/2"- 12"
Working Temperature	-20℃- 797°F
Working Pressure	Class 150#/Class 300# Rising stem, OS&Y gate valve
Body	ASTM A351 CF8M/CF8, WCB
Disc	ASTM A351 CF8M/CF8, WCB/STL+13
Stem	SS316/304, 20Cr13
Gland Packing	PTFE or 304+GRAPHITE
Design Standard	ASME B16.34/API600/API603
Flange Dimension	ASME B16.5
Face to face	ASME B16.10
Testing Standard	ASME B16.34/API600/API603

Customization Services

Material Options-Choose from carbon steel, stainless steel, or special alloys.

Valve Types-Available in solid gate or flexible gate designs.

Size & Pressure-Sizes from NPS 1/2" to 36" and pressure ratings up to 600LB.

Stem & Sealing-Custom stainless steel stems and PTFE or graphite seals.

Custom Flanges-Flanges and face-to-face lengths tailored to your requirements.

Applications

Oil & Gas-Controls flow in high-pressure, high-temperature pipelines.

Chemical & Pharmaceutical-Reliable shut-off for corrosive media in critical systems.

Power & Thermal Systems-Handles cooling water, steam, and hot oil under extreme conditions.

Water & Fire Protection-Ensures flow control and safety in water supply and firefighting systems.

FAQ

Q: Is this valve suitable for corrosive media?

A: Yes, the valve is ideal for corrosive environments when constructed with stainless steel or special alloys, providing excellent resistance to rust and corrosion.

Q: Can the valve handle both liquids and gases?

A: Yes, it is suitable for controlling both liquid and gas flow in various pipeline systems, offering flexibility across applications.

Q: How does the exposed stem improve valve performance?

A: The exposed stem design offers better visibility for operation and monitoring, especially in tight or difficult-to-reach areas, improving overall control and maintenance.

Q: How do I ensure the valve is properly installed?

A: We provide detailed installation instructions and technical support to ensure proper setup and safe operation of the valve.

Q: How do you handle quality control?

A: We follow ISO9001 quality management standards and perform strict in-house inspections and testing at each stage of production to maintain high product quality.

Q: What after-sales support do you provide?

A: We offer comprehensive after-sales support, including troubleshooting, maintenance guidelines, and technical assistance to ensure the valve continues to perform at its best.

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