Valves That Keep Working After Twenty Years in the Ground
Butterfly gate check and ball valves built in our own Tianjin plant since 1998, from DN10 service connections to DN2600 trunk mains, shipped 50 km from Xingang seaport.
What We Make
Butterfly gate check ball and globe valves, brass valves, water meters, expansion and dismantling joints, strainers and actuators. 227 model codes are on this site and the full programme runs past 600 varieties.
Who We Serve
Water utilities and their contractors, power and heating plants, petrochemical and pharmaceutical process plants, shipyards, metallurgical works, and the distributors who supply them.
What We Solve
Valve packages that arrive incomplete, seats that fail against the wrong medium, and suppliers who cannot cover both the DN50 branch and the DN2000 header on the same order.
Why Buyers Choose Us
A single Tianjin plant that casts machines assembles and tests its own valves under ISO 9001 and ISO 14001, with 136 people including 17 senior technical staff.
Valve Families Built for Water Power and Process Pipelines
Every family below is made in our own Tianjin plant and shipped as a complete valve, actuator and joint package.
Models Buyers Ask For Most
Actual production photographs of valves leaving the Tianjin plant, not catalogue renders.
DWA031-050 Wafer Type Butterfly Valve with Pin DN50
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Z45X055 Non-rising Stem Resilient Seated Gate Valve BS5163
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HE201 Lined Check Valve Wafer Dual Plate
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DLF3B038 Anti-Corrosive Lug Type Butterfly Valve DN250
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Z45X050 NRS Resilient Seated Gate Valve DN350 Bevel Gear
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DLA001 Lug Butterfly Valve Vulcanized Seat and Bare Shaft
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Q11F001 Female Thread Brass Ball Valve
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HM003 Wafer Type Single Disc Check Valve CF8
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DWA113 Wafer Butterfly Valve with Pin PTFE Seat
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DW3A013 Wafer Butterfly Valve Wormgear
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Z41T004 OS&Y Metal Seated Gate Valve PN10 BS5163
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YS005 Y Type Strainer DN300 and DIN PN16
View SpecificationEight Industries Running MIC Valves on Their Pipelines
The same valve families serve very different duties. Pick the industry closest to your project to see which models fit.
Water Supply and Drainage
Sectioning valves non-return protection and joints for distribution mains pumping stations and treatment works.
Power Generation
Cooling water circulating water and auxiliary system isolation for power station pipework.
Petroleum
Isolation and non-return duty on transfer lines tank farms and utility circuits.
Chemical Engineering
Corrosion resistant lined valves for aggressive media and process water headers.
Heat Supply
District heating primary and secondary circuit isolation balancing and expansion.
Shipping and Marine
Ballast cooling and service water isolation in compact machinery spaces.
Pharmaceutical
Clean utility and process water isolation where seat material and cleanability matter.
Metallurgy
High duty isolation on cooling water dust suppression and slurry service.
Where Valve Sourcing Usually Goes Wrong
These are the five problems buyers bring to us most often when they change supplier.
Incomplete Packages
The valves arrive but the joints strainers and actuators come from three other suppliers and three other schedules.
Wrong Seat Choice
A resilient seat is specified for a medium that attacks rubber and the valve leaks within a season.
No Size Depth
The supplier covers the middle diameters but not the DN50 branches or the DN2000 header on the same project.
Seized Valves
Valves that sit untouched for years will not turn when the network finally has to be sectioned.
Paper Only Factories
The quotation comes from a trading desk that cannot show you the machining line behind it.
A Valve Plant You Can Audit Not Just a Trading Desk
We have been building medium- and low-pressure valves in Jinnan District Tianjin since 1998, on a site of 16860 square metres with 11800 square metres under roof.
- Registered in 1998 and certified to ISO 9001 quality management and ISO 14001 environmental management
- 136 employees including 17 senior technical personnel working on design development and testing
- 59 sets of large and medium fine machining equipment on our own shop floor
- 10 sets of inspection and testing equipment imported from abroad
- A production and export base for centreline and flanged butterfly valves and check valves in Tianjin
- Fifty kilometres from Xingang seaport, about a sixty minute drive, for container despatch
How We Work Through an Order
From the first line list to the container seal, these are the stages your order passes through.
Send the schedule of sizes duties and standards in any format
We mark a model code against each line and flag the seat choices
Model by model pricing with a confirmed specification per item
Bodies machined discs matched valves assembled at our plant
Shell and seat tightness and full travel checked and recorded
Crated marked and loaded for container despatch from Xingang
Project Valve Packages
One order covering every valve joint strainer and actuator on the line list.
Valve Selection Support
Engineering help choosing body style seat material and drive before you buy.
OEM and Private Label
Valves built to your drawing marking and packing for resale under your own brand.
Replacement and Retrofit
Matching a valve that is already in the ground when the original maker is long gone.
Selection and Installation Guides Written by Our Engineers
How To Choose Between Wafer and Lug Butterfly Valves
The body style decides whether the valve can hold the line on its own. Here is how to pick without guessing.
Read the guide
Resilient Seated or Metal Seated Gate Valves
Soft seat or metal seat changes sealing behaviour, maintenance and service life. A practical comparison.
Read the guide
Dual Plate Check Valve Selection Guide
How to size and select a wafer dual plate check valve so it closes before the flow reverses.
Read the guide
Installing a Wafer Butterfly Valve Between Flanges
The installation sequence that avoids seat damage, disc fouling and leaking joints on first pressure test.
Read the guideQuestions Buyers Ask Before the First Order
What size range can MIC Valve supply?
Nominal diameter from DN10 to DN2600 mm and nominal pressure from 0.05 to 4.0 MPa, across more than 600 varieties and models designed and produced in our own plant.
Are you a manufacturer or a trading company?
A manufacturer. Tianjin MIC Valve Co., Ltd. has been building valves in Jinnan District Tianjin since 1998 on a 16860 square metre site with 59 sets of machining equipment and 136 employees.
What certification does the factory hold?
ISO 9001 quality management system and ISO 14001 environmental management system certification. We do not list approvals the plant does not hold.
Can you supply valves joints and strainers on one order?
Yes. Butterfly gate check and ball valves, expansion and dismantling joints, strainers, water meters and actuators all come from the same plant and ship in one container.
Do the prices on the site include the actuator?
Prices are quoted per enquiry rather than published, and we state clearly whether the price is for a bare shaft valve, a lever, a gearbox or a fitted actuator.
How far are you from a seaport?
The plant is 50 km from Xingang seaport in Tianjin, about a sixty minute drive, so loading and despatch happen on the same day the order is crated.
How do I start an enquiry?
Send the line list, model codes or photographs on WhatsApp or by email. You get a reply from a sales engineer, usually within one working day.
Send Us Your Valve List
Give us the sizes, pressure ratings and quantities on your line list and our engineers reply with a model-by-model quotation.