CEPAI’s Chock valves include Positive Chock Valve, Adjustable Chock Valve, Needle Chock Valve, External Sleeve Cage Chock Valve, these valves are offered by CEPAI to different countries, and all designs as per API6A Spec strictly, moreover, we can design and make the special chock valves based on different requirements. Their seats and valve needle made by hard alloy, which improves the corrosion resistance, flushing resistance performance, and material of throttle nozzle made of ceramics or hard alloy, the torque of Cage type choke valve is small torque, it can both adjust and cut off the fluid etc, controlling the flow rate by replacing the throttle nozzle of different sizes.
Design Specification:
Standard Chock valves are in accordance with API 6A 21th latest Edition, and use the right materials for H2S service according to NACE MR0175 standard.
Product Specification Level: PSL1 ~4 Material Class: AA~FF Performance Requirement: PR1-PR2 Temperature Class: LU
Product Features:
◆ Small impaction and noise of fluid
◆ Body/bonnet materials include carbon steel, alloy steel, stainless steel and duplex stainless steel
◆ In-line or angle body options
◆ Valves can be automated with electric or pneumatic actuators
◆ Metal to metal shut off in accordance with ANSI class VI & V
| Name | Chock Valve |
| Model | Positive Chock Valve/Adjustable Chock Valve/Needle Chock Valve/External Sleeve Cage Chock Valve |
| Pressure | 2000PSI～15000PSI |
| Diameter | 2-1/16”～7-1/16”(46mm～230mm) |
| Working Temperature | -46℃～121℃(LU Grade) |
| Material Level | AA、BB、CC、DD、EE、FF、HH |
| Specification Level | PSL1～4 |
| Performance Level | PR1～2 |
Positive Chock
Production Photos