Cameron FLSR Ball Screw Operated Manual Gate Valve

Trade Term: FOB,CIF,EXW
Payment Terms: T/T,L/C
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Basic Info.
  • Size: 3-1/16", 4-1/16", 5-1/8", 7-1/16" 
  • Working Pressure: 10000PSI, 15000PSI 
  • Operation: Ball Screw Operator ( BSO ) 
  • End Connections: Flanged, Studded Outlet 
  • Material Class: AA, BB, CC, DD, EE, FF 
  • Temp Class: L-U, PU 
  • Product Specification Level: PSL1, PSL2, PSL3, PSL3G 
  • Performance Requirement: PR1, PR2 
  • Standard Carried: API Spec 6A, NACE-MR0175 
  • Application: Wellhead Assembly, Frac Tree 
  • Model No.: QH-FLSR-01 
  • Place of Origin: Jiangsu  
  • Min.Order: 5 Piece/Pieces
  • Means of Transport: Ocean
Supply Capacity
  • Production Capacity: 200 Pieces/Month
  • Packing:Fumigation-Free Plywood Cases
  • Delivery Date: 40 Days


Ball Screw Operator (BSO) Gate Valve, also referred to as Frac Valve, is a type of large bore high pressure isolation gate valve which is the major component of a Frac Tree. This valve is often fitted onto the top of the Frac Tree or Wellhead for the frac operation to isolate the fluid from the well. The Frac Valve is capable of producing multi staged fracs in the toughest environments. This type frac valve features either flanged end connections or studded ones. It can be manually ball screw operated or hydraulically operated.

Qihang's field-tried-and-tested FLSR Ball-Screw-Operated Manual Gate Valves are a redesign and upgrade of the Cameron FLS-R gate valves. Our FLSR Ball-Screw-Operated (BSO) Manual Gate Valves are fully designed, manufactured, and tested in accordance with API 6A, API Q1, and NACE MR-01-75 standards, with strict quality control conforming to ISO regulations. Available in bore sizes at 3-1/16", 4-1/16", 5-1/8", 7-1/16", and working pressure up to 15000PSI. The standard material for our frac valves is integral forged AISI 4130 alloy steel, other material and specifications are also available upon request.

Detailed Specification:

Product Name: FLSR Ball Screw Operator Manual Gate Valve, BSO Gate Valves, Frac Valves

Bore Size: 3-1/16", 4-1/16", 5-1/8", 7-1/16"

Working Pressure: 5000PSI, 10000psi, 15000PSI

Main Material: AISI 4130 (Integral Forged) Alloy Steel, or Stainless Steel

End Connections: Flanged or Studded Outlets

Operation: Manual with Ball Screw Operator (BSO), Hydraulic with double acting hydraulic actuators

Standards Carried: API Spec 6A, API Q1, NACE MR0175

Material Class: AA, BB, CC DD, EE, FF   

Sour Gas Level: DD-NL, EE-0.5, EE-1.5, EE-NL, FF-0.5

Temp Class: PU, L-U

Performance Requirement: PR1, PR2

Product Specification Level: PSL1, PSL2, PSL3, PSL3G

Optional Trim Enhancement: Inconel Inlay, Xylan Coating, QPQ etc

Traceability: Qihang's ball screw operated gate valves (bso gate valves) are supplied with full traceability documentation for each component.

Application: Wellhead Assembly, Frac Tree/Frac Stack, Production Tree, Manifold etc


  • Integral Forged Body & Bonnet

  • Metal-to-metal sealing gate-to-seat and seat-to-body

  • Low torque ball screw operators that ensures easy open and close operation.

  • Optimal trim design, easy to install, repair and replace with only 5 pieces trim parts.

  • Reduce Sand Erosion with Seat Protection Pocket.

  • Using state-of-the-art machinery and high quality material to ensure the frac valves with superior sealing characteristics and zero leakage.

  • Bi-directional design slab gate valve offers optional flow direction and extends service life. 

  • 100% interchangeable with OEM Cameron FLS-R ball screw operator gate valve.

  • On-Time delivery and competitively priced.

BOM and Parts List of Ball Screw Operator (BSO) Gate Valve

Image gallery of API-6A Ball Screw Operated (BSO) Gate Valves-Frac Gate Valves

All of Qihang's raw materials and products are subject to strict and comprehensive quality inspection and testing.

Qihang's API-6A Shale Gas Wellhead Assembly with Ball Screw Operated (BSO) Gate Valves are ready for delivery.

Qihang produces High Quality API 6A Cameron FLSR Ball Screw Operator Gate Valve/Frac Valves at Competitive Prices.

Contact us Today for your specific needs.

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Mr. Bruce
Tel: 0086-139-62481639
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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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