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…
Solar water pump system
Catalogue
Model Voltage
(V) Current
(mA) Power of
solar panels
(W) Pump head Start-up
circuit
Charge&discharge
circuit Battery Weight
(kg) Packing dimension
(mm) Le…
CP50 series
●12V~24V DC
●Long life brushless pump,ideal life for 30000 hours
●Durable magnetic rotor and china shaft
●Low or no maintenance
●Submersible installation
●Low power consumption
●Can…
CP50 series
●12V~24V DC
●Long life brushless pump,ideal life for 30000 hours
●Durable magnetic rotor and china shaft
●Low or no maintenance
●Submersible installation
●Low power consumption
●Can…
●6V~24V DC
●Long life brushless pump,ideal life for 30000 hours
●Durable magnetic rotor and chi
●Low or no maintenance
●Submersible installation
●Low power consumption
●Can be custom-tailor
●I…
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