Tianjin Tanggu Water-Seal Valve

What Tianjin Tanggu Water-Seal Valve does

Tianjin Tanggu Water-Seal Valve Co., Ltd. (TWS Valve) is a privately held Chinese industrial valve manufacturer founded in 2003 and headquartered at No.105, No.6 Road, Industrial Park, Xiaozhan Town, Jinnan District, Tianjin. The company operates two manufacturing plants within Jinnan District — the original facility in Xiaozhan Town and a second plant in Gegu Town — and positions itself as one of China's leading suppliers of water management valve products under its proprietary "TWS" brand. Its portfolio spans butterfly valves (YD wafer, MD lug, DL flanged concentric, UD soft-sleeve, DC flanged eccentric, BD, GD grooved end, FD), gate valves (EZ resilient seated NRS, WZ metal seated OS&Y, AZ), check valves (EH dual plate wafer, RH rubber seated swing), Y strainers, static balancing valves, air release valves, backflow preventers, and worm gear actuators, with products conforming to AWWA, API, DIN, and EN standards and available in ductile iron, stainless steel, and bronze (C95400) with EPDM, PTFE, and PFA seat options. Differentiated designs include the DC Series eccentric butterfly valve (reduced torque and seat contact for extended service life), composite high-speed air release valves, and specialty butterfly valves with custom coatings and materials engineered for seawater desalination, flue gas desulfurization, and high-pressure pipeline service.

TWS Valve generates revenue through direct manufacturer sales of industrial valve hardware under an inquiry-based pricing model — customers submit specifications via the company website, email, or phone and receive custom quotes based on materials, standards, and dimensions. Pricing is not publicly disclosed, and there is no evidence of standardized list pricing, distributor channels, or recurring subscription revenue. Distribution is direct from the Tianjin manufacturing base with global reach supported by a 40+ language website, dedicated product pages with image catalogs, a YouTube channel carrying product demonstration videos from 2018-2022, and presence on LinkedIn and Facebook. The company supplements digital channels with recurring booths at major international trade exhibitions, including the 2026 Shanghai International Pump and Valve Exhibition (booth 3H7100) and the 2026 China Water Expo in Hefei.

The customer base is segmented across municipal water management (municipal water supply, sewage systems, high-rise building water supply and drainage), HVAC/building systems (hydraulic balancing, terminal equipment flow regulation), and industrial applications (flue gas desulfurization, seawater desalination, high-pressure water pipelines). Notable reference projects include the Yangtze-to-Huaihe River Water Diversion Project, a century-scale Chinese national water infrastructure initiative where TWS is cited as a core guarantee supplier for water-supply safety. The company is privately held with no disclosed external funding, no identified parent company, and no public ownership indicators.

Name

Tianjin Tanggu Water-Seal Valve

Legal name

Tianjin Tanggu Water-Seal Valve Co., Ltd.

Website

https://tws-valve.com

Company type

Private

Founded year

2003

Operating status

Operating

Short description

Tianjin Tanggu Water-Seal Valve (TWS Valve) is a privately held Chinese industrial valve manufacturer founded in 2003, producing butterfly, gate, check, balancing, and specialty valves for municipal water, HVAC, desalination, and industrial applications across global markets.

Ownership category

akta.pro rank

Product category

Industrial Valves and Flow Control Equipment

NAICS

Industrial Valve Manufacturing (332911), Metal Valve Manufacturing (33291)

SIC

Pumps & Pumping Equipment (3561), Steam & Air-Conditioning Supply (4961)

akta.pro primary industry

Plumbing Valves & Controls (Shutoff, Mixing, Backflow) (IMADALAB)

akta.pro secondary industries

Valves, Regulators & Backflow Prevention (Control Valves, Pressure Regulators, Check/Backflow) (AFABAHAG), Piping, Valves & Pumps (Deck/Service Systems Components) (IMAJAIAI), Water Systems & Treatment (Pumps/Boilers/Water Heaters/Filtration) (IMAIABAK)

Keywords

• Industrial valve manufacturing
• Water management valves
• Butterfly valve products
• Flow control equipment
• Municipal water infrastructure

Headquarters

HQ city

Tianjin

HQ country

China

HQ region

Asia

Offices3 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Personnel, Operations, Technology or R&D, Marketing or Sales, Infrastructure

Revenue model

1. Industrial Valve Manufacturing and Sales: TWS Valve generates revenue through the manufacture and sale of industrial valve products including butterfly valves, gate valves, check valves, strainers, balancing valves, air release valves, backflow preventers, and worm gear actuators. The company sells directly to water management, HVAC, municipal, and industrial customers through manufacturer inquiries.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels5 records

Core offering

Tianjin Tanggu Water-Seal Valve (TWS Valve) is a Chinese industrial valve manufacturer that designs, produces, and sells water management and flow-control valves including butterfly valves, gate valves, check valves, Y strainers, static balancing valves, air release valves, backflow preventers, and worm gear actuators. The company serves municipal water systems, HVAC/building applications, and industrial plants with customized valve solutions conforming to AWWA, API, DIN, and EN standards.

Product overview

Tianjin Tanggu Water-Seal Valve Co., Ltd. (TWS Valve) is a professional industrial valve manufacturer founded in 2003, specializing in water management valve products and solutions. The company's product portfolio centers around butterfly valves (including YD wafer, MD lug, DL flanged concentric, UD soft-sleeve, DC flanged eccentric, BD, GD, FD series), gate valves (EZ resilient seated NRS, WZ metal seated OS&Y, AZ series), check valves (EH dual plate wafer, RH rubber seated swing), Y strainers, static balancing valves, air release valves, backflow preventers, and worm gear actuators. TWS Valve positions itself as a leading Chinese supplier of water management valve products, serving water treatment, HVAC, desalination, flue gas desulfurization, and general industrial applications. All products conform to international standards including AWWA, API, DIN, and EN specifications.

Differentiator

Problem solved

Functional benefit

Products and services

• YD Series Wafer Butterfly Valve Wafer-type butterfly valve with universal standard flange connection and aluminum handle, used to cut off or regulate flow in various medium pipes including desulfurization vacuum and seawater desalination applications through selectable disc and seat materials.
• MD Series Lug Butterfly Valve Lug-type butterfly valve allowing downstream pipelines and equipment online repair, can be installed on pipe ends as exhaust valve, with alignment features for easy installation between pipeline flanges.
• DL Series Flanged Concentric Butterfly Valve Flanged concentric butterfly valve with centric disc and bonded liner, featuring higher body strength and better resistance to pipe pressures as a safety factor.
• UD Series Soft-Sleeve Seated Butterfly Valve Wafer-pattern soft-sleeve seated butterfly valve with EN558-1 20 series face-to-face dimensions, featuring correcting holes for easy installation, through-out or one-side bolt option, and a soft sleeve seat that isolates the body from media.
• DC Series Flanged Eccentric Butterfly Valve Flanged eccentric butterfly valve with retained resilient disc seal and integral body seat; eccentric action reduces torque and seat contact during operation to extend valve life, suitable for on/off and modulating service, with field-repairable seat.
• BD Series Wafer Butterfly Valve Wafer butterfly valve series with compact design for oil applications and general industrial flow control.
• GD Series Grooved End Butterfly Valve Grooved end butterfly valve designed for fire protection and fire fighting applications.
• FD Series Wafer Butterfly Valve Lug type concentric wafer butterfly valve for general industrial flow control applications.
• EZ Series Resilient Seated NRS Gate Valve Wedge gate valve with non-rising stem for water and neutral liquids (sewage), featuring on-line top seal replacement and integral rubber-clad ductile iron disc with integrated brass nut for tight seal and rust prevention.
• WZ Series Metal Seated OS&Y Gate Valve Rising stem metal seated gate valve for industrial applications requiring metal-to-metal seating.
• AZ Series Resilient Seated NRS Gate Valve Resilient seated NRS gate valve conforming to DIN3352-F4 standard for water applications.
• EH Series Dual Plate Wafer Check Valve Dual plate wafer check valve with two torsion springs per pair of valve plates that close the plates quickly and automatically to prevent medium backflow, installable on both horizontal and vertical pipelines.
• RH Series Rubber Seated Swing Check Valve Rubber seated swing check valve with carbon steel construction for preventing backflow in industrial piping systems.
• TWS Flanged Y Strainer (DIN3202 F1) Flanged Y strainer that mechanically removes unwanted solids from liquid, gas, or steam lines using a perforated or wire mesh straining element, suitable for nominal pressure below 1.6 MPa.
• TWS Flanged Static Balancing Valve Key hydraulic balance product for precise flow regulation of water pipeline systems in HVAC applications, ensuring static hydraulic balance across the whole water system.
• TWS Air Release Valve Composite high-speed air release valve combining high-pressure diaphragm air valve and low-pressure inlet/exhaust valve for automatic air discharge and intake functions in water pipelines.
• TWS Flanged Backflow Preventer Slight resistance non-return backflow preventer for water supply control, limiting pipeline pressure so water flows one-way only, preventing backflow medium or siphon backflow to avoid backflow pollution.
• TWS Worm Gear Actuator Manual high-efficiency worm gear actuator based on modular 3D CAD framework design, with rated speed ratio meeting input torque of AWWA C504, API 6D, and API 600 standards, applied to butterfly valves, ball valves, and plug valves.

Quantifiable outcome

• Eccentric action reduces torque and seat contact during operation extending valve life

Named customers4 records

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Scale indicators1 record

Recent moves5 records

Expansion highlights5 records

Broad incumbents

• Flowserve Corporation: US-listed global provider of flow control products including industrial valves, pumps, and seals. Competes with TWS in industrial and water applications, with extensive after-sales service network and global certifications TWS currently lacks.
• AVK Holding: Global Danish valve manufacturer serving water, wastewater, and gas distribution. Competes with TWS in butterfly and gate valves for municipal water applications, but with much broader international distribution and certified product lines.
• Mueller Water Products: US-listed leading manufacturer of water infrastructure valves, hydrants, and pipe products. Direct overlap with TWS's water-management butterfly, gate, and check valve portfolio but operates at significantly larger scale with broader municipal customer base.
• KSB SE & Co. KGaA: German global manufacturer of pumps, valves, and related systems. Overlaps with TWS in industrial and water valves and offers similar material/coating engineering for demanding service, but as part of a much larger diversified industrial portfolio.
• Pentair: US-listed global water treatment and flow company with valve and water-system product lines. Overlaps with TWS in backflow prevention and water-system valves for residential and commercial applications, though serves a more treatment-focused end market.
• Crane Co. US-listed diversified industrial manufacturer with significant valve operations. Overlaps with TWS in butterfly, gate, and check valves for water/wastewater/process applications, and represents the kind of incumbent TWS must displace in export markets.

Direct peers

• Suzhou Neway Valve: Chinese industrial valve manufacturer with a comparable product range (butterfly, gate, check, ball valves) and similar mid-sized Chinese manufacturer profile. The closest head-to-head competitor for TWS in domestic and international project bids.
• Wenzhou Marine Valve: Chinese valve producer specializing in marine and industrial applications. Directly comparable to TWS on geography, scale, and product breadth in standard industrial valves for water and process applications.
• Henan Beda Valve: Henan-based Chinese manufacturer of butterfly valves, gate valves, and check valves for water and HVAC. Closely matched to TWS in product mix, materials, and target applications, making it a direct Chinese-market peer.

Emerging players

• Wuhu Yatai Valve: Smaller Chinese valve manufacturer serving water supply, HVAC, and industrial markets. Comparable in product category and customer base, but at smaller scale than TWS, representing a sub-tier competitor.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• YouTubeyoutube.com/channel/UCOBy1GMwTTSuc_plTnxJTbw
• Facebookfacebook.com/profile.php?id=100013304591308
• LinkedInlinkedin.com/company/tianjin-tanggu-water-seal-valve-co.-ltd/mycompany

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Tianjin Tanggu Water-Seal Valve