SINCE 1997,HNA has been an integrated engineering & manufacturing specialist recognized worldwide for its unique USA Imported High Pressure Dual Duro  Polyurethane, Precise Machining and Bonding Craft Technology and high quality products in the O&G industry, by designing and fabricating HNA Flex-Lip High Pressure Bonded Pistons with Dual Duro Polyurethane for Duplex, Triplex and Quintuplex pumps, which are 100% interchangeable to most of the global famous brands: Bomco, Honghua, TSC, Weatherford, Ellis Williams, Gardner Denver, Emsco , National, Oilwell, Ideco, Drillmec & other major types of models, and customized design and production available.

FEATURES:                                

*  Forged & World Top Class Heat Treated Piston Hub,

 AISI 5140/4140/4135 (40Cr/42CrMo/35CrMo)

(Or customized material)

* Flex Lip Type, Dual Durometer Polyurethane Technology：

The harder lower part polyurethane provides a better adhesion and support to piston hub while the softer upper part polyurethane provides a more flexible and better sealing performance to liner. The Dual Durometer Polyurethane Technology realizes a perfect combination of polyurethane to enhance the extrusion & abrasion resistance, as well as high pressure resistance performance of the piston polyurethane and therefore leads to better sealing effect and longer service life in high pressure applications.

* Bonded Piston Type Benefits:

1)Increased structural strength with very high tensile strength for longer operation life,

2)Improved shock absorption and minimized shock when piston moves,

3)Enhanced sealing capabilities and sealing failure prevention via Reduced possibility for fluids to penetrate between the polyurethane insert and the piston hub

* USA Imported High Pressure Dual Duro Polyurethane with:

  High Extrusion/Abrasion Resistance:Extremely Perfect

  Chemical/Corrosion Resistance: Perfect

  Temperature Resistance: Maximum 220F(105C)

 High Pressure Resistance: Maximum 7500 Psi  

*  LGS Handle Application: Perfect when <10%

*  WBM PPG Application：Perfect for all conditions

*  Liner Application: Zirconia, Metal

*  Misalignment Handle Application: Very Good

*  Drilling Fluid Application:

Perfect for Water Based Mud(WBM),Oil Based Mud(OBM),Synthetic Based Mud(SBM),Emulsion, Clear Water

Not Recommended for: Salt Water/Sea Water

*  Polyurethane Color: Green

*  Shelf Life: Perfect (<24 months, under proper storage condition)

*  Extremely long Service Life Exceeding API Standard

* Chinese High Pressure Dual Duro Polyurethane & USA High Performance High Pressure Dual Duro Polyurethane for Options

* Fully interchangeable with Green Duo Piston and other major piston types, Available Size: 3”(75mm) -- 8”(200mm),Series A,B,K,L

*  Product Series:

HNA-FE-P-BFDGC:HNA Bonded Piston Flex Lip DG Type, with Chinese High Pressure Dual Duro Polyurethane, Available Size: 3”(75mm) -- 8”(200mm),Series A,B,K,L

HNA-FE-P-BFDGU: HNA Bonded Piston Flex Lip DG Type, with USA High Performance High Pressure Dual Duro Polyurethane, Available Size: 3”(75mm) -- 8”(200mm),Series A,B,K,L

Customized Specific Design & Series of HNA Bonded Piston Assembly Flex Lip DG Type, With/Without High Pressure Dual Duro Polyurethane, API/Non-API Standard