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40 Years of Experience in Valves

HIPPO Valve stands for "Heavy-Industrial Professional Precisely-Operating Valve". It was established after a merger of a US-and-Taiwan 40 years of industrial experience team. HIPPO is a professional fluid solution service providers with TUV, LR, SGS issued certification of ISO9001, CE Mark, API, PED-H and many international patents.

HIPPO’s service range includes high-performance double-eccentric and triple-eccentric butterfly valve manufacturing, high-low temperature valve manufacturing, large-size control valve manufacturing, engineering application consulting, software solution system integration, and ultra-high life switching valve manufacturing.

HIPPO’s team members have experience in many fields such as chemical industry, petrochemical industry, paper industry, thermal power plants, air separation plants, water treatment facilities, LNG, nuclear power plants, and aerospace industry. Including many heavyweight international groups like GE Oil & Gas (UK), Braskem (USA), Evergreen Group (Taiwan), China Steel (Taiwan), Chang-chun Petrochemical Group (Taiwan), and Linde AE (Germany)







Found HIPPO Valve

In 2013, merged HIPPO Engineering Studio and Mariposa Valve.

In 2008, built engineering analysis software solution studio based in New York Brooklyn.

In 1985, found Mariposa, which means butterfly in Spanish. Later in 1992, released high performance series of Double/Triple Butterfly Valves

In 1976, as an OEM company, began to manufacture concentric butterfly valves.

Project Experiences

GE Oil&Gas

Joined MRO Solution project in Aberdeen and Montros for sub-sea equipment integration in 2013.

Formosa Group

Continuously served Formosa Petrochemical production in Mailiao Taiwan since 2014.

Linde AE

Joined a air-seperation project. Served manual and control, Double-and-Triple-Offset Fire-Safe Butterfly Valves in 2017.

Evergreen Group

Joined a global MRO Solution project of Aircraft Engine Maintenance in 2011.

China Steel

Joined a special process project. Served Titanium High Performance Butterfly Valves in 2015.


Joined a new build PP plant project in La Porte Texas. Served DN80 to DN1000, High Performance Butterfly Valves in 2017.



Countries served


Certificates applied


Standards implemented


Simulations performed
Valve Patent - Screwless Retainer Ring
Gearbox Patent - Quick Maintenance
Lever Patent - Anti-loose
ISO9001:2015 - Quality System
CE Marking - Quality System
PED2014/68/EU - Module H
ISO15848-1 - Fugitive Emission
API607 - Fire-Safe
ISO10497 - Fire-Safe
IEC60529 - IP68
ISO28921-1 - Cryogenic
ISO9001:2015 - Internal Audit
ATEX Anti Static Electricity - (Applying)
BV Type Approval - (Applying)
SIL3 - (Applying)

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