M Type Wellhead Expanding Gate Valve, API 6A, AISI 4130

Key Specifications / Features

Model No.: JSC-240327-ASW-01 Hits: 3

Introducing our high-quality M Type wellhead expanding gate valve, crafted to meet API 6A and NACE MR0175 standards. Constructed from AISI 4130 forged steel, it is available in sizes ranging from 2-1/16 to 4-1/16 inches and pressure ratings from 2000 to 5000 PSI. This valve ensures reliability and performance, meeting PSL1-PSL4, PR1, and PR2 requirements for various oil and gas applications.
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Detail Information

API 6A Model M Expanding Gate Valve 

The expanding gate valve is mainly designed for use in the thermal recovery wellhead assembly, production trees and manifolds. This valve features an expanding gate structure and can meet the super high temperature (up to Class Y according to API 6A standard) working condition. 
We are a professional manufacturer of wellhead assembly Christmas tree, API 6A Valves, Blowout Preventer, Manifolds.  All of our expanding gate valves are fully designed, produced, and tested as per API 6A, API 16C, and NACE-MR0175 standards.  Available in either flanged or threaded ends, our product comes in standard bore sizes ranging from 2-1/16 inches to 4-1/16 inches, with a working pressure rating spanning from 2000 PSI to 5000 PSI. The standard material is AISI 4130 Forged alloy steel. We can also design and produce expanding gate valves as per customers' specific requirements.

Detailed Specification

Product Name: Expanding Gate Valves
Bore Size: 2-1/16 Inch, 2-9/16 Inch, 3-1/8 Inch, 4-1/16 Inch
Main Parts: Valve Body, Bonnet, Expanding Gate, Seat
Body & Bonnet Material: AISI 4130 (Forged)
Outlets: Flanged or Threaded 
Standards Carried: API Spec 6A, NACE MR0175
Pressure Rating: 2000 PSI, 3000 PSI, 5000 PSI
Material Class: AA, BB, CC DD, EE, FF
Temp Class: L.U,  X.Y
Performance Requirement: PR1, PR2
Product Specification Level: PSL1, PSL2, PSL3, PSL3G, PSL4
Traceability: Our Model M Expanding Gate Valves are supplied with full traceability documentation for each component.
Interchangeability: 100% interchangeable with WKM Model M Expanding Gate Valve.
Application: Wellhead Assembly, Production Tree, Manifolds


1. Integral Forged Body & Bonnet
2. Metal-to-metal seal between body and bonnet
3. Valve body is fitted with grease fitting
4. Simple design
5. Low operation torque.
6. Easy and fast to maintain
7. Optimal for high temperature service
8. Gate guides retain body lubricants and protect the gate surface.

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