CK20 Alloy Steel Flanged Gate Valve

This product is a highly durable Flanged Wedge Gate Valve constructed from $\text{CK}20$ Alloy Steel. While $\text{CK}20$ is not a common $\text{ASME}$ material designation, based on its high design temperature range, it is implied to be a heat-resistant or specialized alloy steel used for high-temperature service.

The valve adheres to $\text{API}$ 600 standards and is suitable for reliable $\text{ON}/\text{OFF}$ isolation in demanding industrial applications.

📋 Technical Specifications

Parameter	Detail / Standard
Valve Type	Wedge Gate Valve
Body Material	$\text{CK}20$ Alloy Steel
Operation	Handwheel (Manual)
Size Range	$\text{2}''$ to $\text{36}''$
Pressure Rating	$\text{ASME CL} 150$ to $\text{2500}$
Temperature Range (Design)	$\text{-196}^\circ\text{C}$ to $\text{650}^\circ\text{C}$
Design Standard	$\text{API} 600, \text{ASME B} 16.34$
Face-to-Face Length	$\text{ASME B} 16.10$
End Connections	Flange ( $\text{ASME B} 16.5/\text{B} 16.47$ ) or Butt-Weld ( $\text{ASME B} 16.25$ )
Testing Standard	$\text{API} 598$

⭐ Core Design and Features

High-Performance Material ( $\text{CK}20$ ): The designation implies a specialized cast steel (likely similar to $\text{A}217$ alloys like $\text{C}5$ or $\text{C}12$ ) designed to maintain strength and creep resistance across the broad temperature range, including high-temperature service up to $\text{650}^\circ\text{C}$ .
Bonnet Options: Design allows for both Bolted Bonnet and Pressure Seal Bonnet construction, ensuring appropriate sealing integrity across all pressure classes (PSB for $\text{CL} 900$ and above).
Stem Design ( $\text{OS}\&\text{Y}$ ): Outside Screw and Yoke (Rising Stem) is standard, protecting the threads from the media and providing a clear visual indication of valve position.
Flow Control: Primarily intended as an $\text{ON}/\text{OFF}$ isolation valve. It offers the minimum possible pressure drop when fully open and provides a tight shut-off. It is not recommended for throttling.
Actuation Ready: Suitable for Handwheel, Bevel Gear Operators (umbrella gear), or various Actuators (Electric/Pneumatic).