API 6A FC Gate Valve Hydraulic Surface Safety Valve

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Basic Info.
  • Valve Type: Hydraulic Surface Safety Valve 
  • Standards Carried: API 6A, API 16C, NACE-MR0175 
  • Nominal Bore Size: 1-13/16" ,- 4-1/16" 
  • Working Medium: Oil, Natural Gas, Water, Mud, Gas containing H2S, CO2 
  • Pressure Rating: 2000 PSI - 15000 PSI 
  • Material Class: AA, BB, CC, DD, EE, FF 
  • Temp Class: L, P, R, S, T, U, V 
  • Product Specification Level: PSL1, PSL2, PSL3, PSL3G 
  • Performance Requirement: PR1, PR2 
  • Application: Surface Manifold, Wellhead Christmas Tree 
  • Model No.: QH-HSSV-01 
  • Place of Origin: Jiangsu  
  • Min.Order: 5 Piece/Pieces
  • Means of Transport: Ocean
Supply Capacity
  • Production Capacity: 50 Pcs/Month
  • Packing:Plywood
  • Delivery Date: 40 Days


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 MR0175 etc

Rated Working Pressure: 2000 PSI to 15000 PSI

Operation Type: Hydraulic 

Main Material: AISI 4130 (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

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.


  • 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.

Contact us Today for your specific needs.

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Yancheng Qihang Petroleum Machinery Co., Ltd
No.8 Jianxin Rd, Lugou Industrial Park, Jianhu, Yancheng, Jiangsu, China (Mainland)
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