Crosshead and crosshead guide are made of ASTM A48-83 meehanite featuring good abrasion resistance and long service life. Besides F-500 mud pump that is cylinderical structure,upper and lower guide st…
HNA also supplies other expendable fluid end parts such as Threaded Ring, Liner Clamp, Rod Clamp, Valve Pot Cover, Liner Cage, Wear Plate and Valve Guide which all fit the request of most popular mud …
Heat-treated and internally hardened for high durability; available in various materials to meet a wide range of applications; standard one or two-piece configuration, with designs available for press…
HNA also offers a full line of piston replacements including Piston Hubs, Plates, Snap rings and Replacement Rubbers.
The hub is formed from high grade steel.
The piston rubber is made from special…
Pistons with replacement rubbers:
This piston includs:piston hub.snap ring, piston rubber and plate. The rubber can be changed when it’s broken.The piston hub is made of 40Cr.The plate is made of 45#…
Bonded construction - no joints, no leakage. Longer piston and liner life. This piston will run in higher-pressure, fast stroking pumps, and is resistant to oil base muds and other additives currently…
HNA offers 5 different styles of valves & seats to fit your drilling needs, suiting to almost all popular mud pumps in the world.
The Stem Guided valve and seat and the Wing Guided valve and full ope…
HNA hardened liners offer economy in a liner that is made for normal to mildly corrosive mud conditions.These liners are hardened and heat treated under strict quality control to a minimum of 60 RC ha…
HNA offers chrome-plated liners made from premium forged steel with the core plated by chrome.The chrome-plated liners have hardening characteristics of 58 to 62 Rockwell C hardness.
HNA ceramic liners combine the strength of a forged steel outer shell with the abrasion and corrosion resistance of a ceramic inner sleeve. We provide Zirconia(ZrO3) Sleeves as well as Alumina(Al2O3.)…
HNA premium liners combine the strength of a forged steel outer shell with the abrasion and corrosion resistance of a high chromium iron inner sleeve. These liners feature a centrifugally cast high ch…
Our group is specializing in research and production of pump, so we mainly supply these pumps in our own design and manufacture. we can supply different kinds of pumps, just like centrifugal pump, axi…
●12V~24V DC
●life brushless pump,ideal life for 30000 hours
●Durable magnetic rotor and steelless shaft
●Low or no maintenance
●Submersible installatio…
ECROBOT CO., Ltd, Business Registration Number : 220-88-71747, CEO J.W.Park, TEL : +82-2-552-7676, E-mail : E-mail : Contact us Address : (Hwanghwa B/D 11F, Yeoksam-dong)320, Gangnam-daero, Gangnam-gu, Seoul, South Korea