Surface safety valve (SSV) is a quick closure equipment in well line in case there is any emergency like overpressure, leakage and etc.
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SSV is remotely operated by an emergency shutdown device (ESD), which can be triggered automatically by high or low pressure pilot actuators. If an emergency occurs, SSV can prevent explosion and reduce human injuries.
A number of SSV models are available for different well conditions (pressures, temperatures, and flow rates) and with various connections, such as hammer union and flange. Hammer union is interchangable with Weco brand.
SSV is designed and maked under API 6A standard. and relief valve can reduce shut time to 3 seconds.
Overview
Surface Safety Valve (SSV) is a hydraulically actuated, fail-safe gate valve for producing or testing oil and gas wells with high flow rates, high pressures, or the presence of H2S. It is essentially a shutdown valve installed at the upper wellbore for emergency shutdown to protect the production tubings and wellhead in case of overpressure. Safety Valves are widely used in Wellhead Christmas Tree and Ground Choke Manifold. It can quickly shut down the well upstream in the event of overpressure, failure, fire, a leakage in downstream equipment, or any other well emergency requiring an immediate shut-down.
The Well Test Surface Safety Valve is remotely operated by an Emergency Shutdown Device (ESD), which can be triggered automatically by high or low pressure pilot actuators in the event of abnormal conditions.
Line Pressure Operated Surface Safety Valve is often used in the oilfield to monitor pressure in a flow line system. It utilizes flow line pressure as the SSV's control medium. Using the well bore or pipeline pressure to operate the actuator, if the flowline pressure rises above or falls below the set values, the system will sense the change and shut down the valve immediately.
Surface Safety Valve can efficiently avoid the ultimate disaster which can result in release of reservoir fluids to the surroundings, making it a very important component of a well completion.
Detailed Specifications:
Product Name: Hydraulic Surface Safety Valve, SSV
Nominal Bore: 1-13/16", 2-1/16", 2-9/16", 3-1/16", 3-1/8", 4-1/16"
Standards: API Spec 6A, API 16C, NACE MR etc
Rated Working Pressure: PSI to PSI
Operation Type: Hydraulic
Main Material: AISI (Forged), other material is available upon request
Connection: AI 6A Flange, Hammer Union
Working Medium: Oil, Natural Gas, Water, Mud, Gas containing H2S, CO2
Material Class: AA, BB, CC DD, EE, FF
Temp Class: L, P, R, S, T, U, V
Performance Requirement: PR1, PR2
Product Specification Level: PSL1, PSL2, PSL3
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Traceability: Qihang's hydraulic surface safety valves (ssv) are supplied with full traceability documentation for each component.
Application: Surface Manifold, Wellhead Assembly Christmas Tree etc.
Features/Others:
Integral forged valve body with fine mechanical properties.
Adopts the FC or FLS gate valve structure
Provides immediate well closure through the use of the ESD
Can be triggered automatically when used in conjunction with high- or low-pressure pilot actuators or manually through the use of ESD remote shut-in stations
Applicable to master valve and wing valve of Christmas tree and surface manifold
On-Time delivery and competitively priced
Demonstration and applications of Hydraulic Surface Safety Valves
Image gallery of Hydraulic Surface Safety Valves (SSV) for Wellhead Assembly Christmas Tree and Surface Manifolds
All of Qihang's raw materials and products are subject to strict and comprehensive quality inspection and testing.
Hydraulic Surface Safety Valves (SSV) for the Wellhead Xmas Tree are ready for delivery.
Qihang produces High Quality API Hydraulic Surface Safety Valve (SSV) at Competitive Prices.
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