Gold Member Since 2016
Audited Supplier
HongFeng Hardware Forging Co., Ltd.

Valve Bonnet, Forging Bonnet, Forging Valve manufacturer / supplier in China, offering API Q1 Certified Forgings for Valve, Forging Steel Rings for The Components of Texile Machine, Forging Rings 45# Steel for Textile Machine and so on.

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Supplier Homepage Product petrochemical machinery forging API Q1 Certified Forgings for Valve

API Q1 Certified Forgings for Valve

FOB Price: US $2-50 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $2-50/ Piece
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Port: Shanghai, China
Transport Package: Plywood Cases, Pallets or Customers′ Requirements
Payment Terms: L/C, T/T, Western Union

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Basic Info
  • Processing Object: Metal
  • Molding Technics: Pressure Casting
  • Material: Steel
  • Surface Treatment: Polishing
  • Standard: ASTM
  • Body Material: A105n; F11; F22; F304
  • Dimensions: Various
  • Inspection: Third Party Accept
  • Specification: ASTM, ANSI. API, DIN, JIS
  • HS Code: 72284000
  • Molding Style: Forging
  • Application: Machinery Parts
  • Heat Treatment: Quenching
  • Forging Tolerance: as Customer′ S Request
  • Certification: ISO 9001:2008, API/Q1
  • CNC Lathe: Finishing Machining
  • Coatings: Black Oxide
  • Trademark: hongfeng
  • Origin: Jiangsu Jiangyin
Product Description


Forged pressure sealed valve bonnets are widely applied in the industry of power plant.

1. Available Material can be: A105, LF2, F11, F22, F5, F9, F304, F316, F321, Duplex stainless steel (F51), Super duplex stainless steel (F53, F60);

2. Designed and processed by CNC machine.

3. All big and small angles are well finished.

4.  Precision alignment sleeves positively locate the rod cap, maintaining big end bore size        and eliminating cap walk.

5.  X-rayed, sonic tested and magnafluxed.

6.  Multi-stage heat treated.

7. Shot peened to relieve stress.

8. Come with the bronzed bushing suitable for the floating piston pin.

Manufacturing process:

API Q1 Certified Forgings for Valve
API Q1 Certified Forgings for Valve
API Q1 Certified Forgings for Valve

All different forging products are as per customer's drawing.
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