piston

SINCE 1997,HNA has been an integrated engineering & manufacturing specialist recognizedworldwidefor its uniqueUSA Imported Nitrile Rubber/Polyurethane and Precise Machining Technologyand high quality products in the O&G industry, by designing and fabricatingHNA Assembled Pistons with Replaceable NBR/Polyurethanefor 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)

* Assembled Type: Replaceable rubber insert reduces operating expense

* USA Imported Nitrile rubber NBR with:

Extrusion/Abrasion Resistance: Perfect

Chemical/Corrosion Resistance: Good

Temperature Resistance:Maximum 250F(120C)

Pressure Resistance: Maximum 5000 Psi

* LGS Handle Application: Perfect when <10%

* WBM PPG Application：Perfect for all conditions

* Liner Application: Zirconia, Metal

* Misalignment Handle Application: Perfect

* Drilling Fluid Application:

Perfect for Water Based Mud(WBM), Synthetic Based Mud(SBM),Emulsion;

Very Good for Oil Based Mud(OBM), Clear Water

Not Recommended for Salt Water/Sea Water

* Rubber Color: Black

* Shelf Life:Very Good(>12 months and <18 months, under proper storage condition)

* Long Service Life Exceeding API Standard

* Chinese High Quality Replaceable NBR Rubber & USA High Performance Replaceable NBR Rubber for Options

* Chinese High Quality Replaceable Polyurethane & USA High Performance Replaceable Polyurethane for Options(Remark: Different Polyurethane has different performances, please refer to Bonded Piston chapters for options ofpolyurethane)

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

* Product Series:

HNA-FE-P-RNC:HNA Assembled Piston with Chinese High Quality Replaceable NBR Rubber: Available Size: 3”(75mm) -- 8”(200mm),Series A,B,K,L

HNA-FE-P-RNU:HNA Assembled Piston with USA High Performance Replaceable NBR Rubber: Available Size: 3”(75mm) -- 8”(200mm),Series A,B,K,L

HNA-FE-P-RPC:HNA Assembled Piston with Chinese High Quality Replaceable Polyurethane: Available Size: 3”(75mm) -- 8”(200mm),Series A,B,K,L

HNA-FE-P-RPU:HNA Assembled Piston with USA High Performance Replaceable Polyurethane: Available Size: 3”(75mm) -- 8”(200mm),Series A,B,K,L

CustomizedSpecific Design & Series of HNA Assembled Piston Assembly With/Without Replaceable NBR Rubber/Polyurethane, API/Non-API Standard