Miyawaki

What Miyawaki does

Miyawaki Inc. (株式会社ミヤワキ) is a privately held Japanese industrial equipment manufacturer founded in 1933 and headquartered in Osaka, Japan, specializing in steam system equipment and fluid control products. The company sells six series of steam traps (bucket, ball float, thermostatic, diaphragm, thermoclement, and disc types), air/gas traps, pressure reducing valves in direct-acting and pilot-operated configurations, condensate recovery pumping traps, steam instantaneous water heaters (Housoukon and QuickHot lines), steam-water mixing valves, and a comprehensive piping accessories line including separators, sight glasses, check valves, strainers, and insulation covers. Core proprietary technology centers on the SCCV (Self Closing and Centering Valve) mechanism, which provides durability and soft seating for steam trap valves, plus the Super Discharger differential pressure double valve design that enables high-capacity condensate discharge in compact bodies. The company claims over 80 years of technological heritage and has received multiple Japan Energy Saving Excellent Product Awards (1978, 1980).

Miyawaki operates a B2B sales-led go-to-market, selling directly to industrial customers through nationwide sales offices in Japan, with a web member registration system providing access to CAD drawings, quotation drawings, and technical documentation. The company also offers custom-made products tailored to customer specifications for special dimensions, materials, temperatures, and pressures, and provides steam trap diagnostic management services using the proprietary Dr.Trap Jr. PM15 tool. Customer segments are organized vertically, with food processing and manufacturing as the primary segment, followed by chemical, petroleum, precision equipment, power generation, cleaning/textile, and hospitality industries. The company has achieved Japan's positive list system compliance for food-contact equipment (effective June 2025) and Water Supply Law Article 16 certification for hot water heater products. Products are exported globally with a multilingual website supporting English, Chinese, German, Russian, Korean, Spanish, and Polish languages, though operating geographies are formally documented as Japan only.

Name

Miyawaki

Legal name

株式会社ミヤwakI

Website

https://miyawaki-inc.com

Company type

Private

Founded year

1940

Operating status

Operating

Headcount range

101–250 employees

Short description

Miyawaki Inc. is a privately held Japanese industrial equipment manufacturer specializing in steam traps, pressure reducing valves, hot water heaters, and condensate management equipment for food processing, chemical, manufacturing, and hospitality customers across Japan and select export markets.

Ownership category

akta.pro rank

Product category

Industrial Steam Equipment

NAICS

Heating Equipment (except Warm Air Furnaces) Manufacturing (333414), Power Boiler and Heat Exchanger Manufacturing (33241), Pump and Compressor Manufacturing (33391)

SIC

Steam & Air-Conditioning Supply (4961), Fabricated Plate Work (Boiler Shops) (3443), Pumps & Pumping Equipment (3561)

akta.pro primary industry

Heat Transfer Equipment (Heat Exchangers, Boilers, Condensers) (IMAHAEAC)

akta.pro secondary industries

Industrial Steam Systems Decarbonization (Boiler Upgrades, Condensate Recovery, Steam Optimization) (EUABAJAK), Steam Cleaning & Sanitization Equipment (IMAHALAE)

Keywords

• Steam trap manufacturing
• Industrial steam equipment
• Pressure reducing valves
• Condensate management systems
• Fluid control components

Headquarters

HQ city

Osaka

HQ country

Japan

HQ region

Asia

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Industrial Steam Equipment Sales: Manufacture and sale of steam traps, pressure reducing valves, hot water equipment, air traps, and piping accessories to industrial customers in manufacturing, food processing, chemical, and other sectors.
2. Custom-made Products: Custom product manufacturing based on customer requirements including special dimensions, materials, temperatures, pressures, and discharge capacities.
3. Diagnostic Services: Steam trap diagnostic management services to identify steam leakage and provide energy saving recommendations.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels5 records

Core offering

Miyawaki designs, manufactures, and sells industrial steam system equipment, including steam traps (bucket, ball float, thermostatic, diaphragm, thermoclement, and disc types), air/gas traps, steam pressure reducing valves, pumping traps for condensate recovery, steam instantaneous water heaters, steam-water mixing valves, spray nozzles, and a full range of piping accessories. The company also offers custom-made products built to customer-specified dimensions, materials, temperatures, and pressures, plus a steam trap diagnostic service for detecting performance degradation.

Product overview

Miyawaki is an industrial equipment manufacturer specializing in steam system products with over 80 years of history. The company offers a comprehensive portfolio of steam-related products organized into seven main categories: (1) Steam Traps across six series (E/bucket, G/ball float, TB/thermostatic, D/diaphragm, W/thermoclement, S/disc) for condensate discharge from steam systems; (2) Air/Gas Traps for removing non-condensable gases; (3) Pressure Reducing Valves in direct-acting and pilot-operated types; (4) Hot Water Equipment including Housoukon (HE series, circulation method) and QuickHot (LM15/LH15 series, one-way method) steam instantaneous water heaters plus MX1N mixing valves; (5) Piping Accessories including separators, air vents, sight glasses, check valves, strainers, blow valves, freeze prevention valves, vacuum breakers, and Q-Plus Jacket insulation covers; (6) Condensate Recovery Devices (pumping traps) for returning condensate to boiler systems; and (7) Steam Trap Diagnostic Services including the Dr.Trap Jr. PM15 diagnostic tool. The product line serves diverse industries including food manufacturing, chemical processing, power generation, and cleaning operations.

Differentiator

Problem solved

Functional benefit

Brands

• QuickHot: One-way type steam-powered instant water heater product line.
• ハウコン (Haucon)
• Q-Plus Jacket
• Dr.Trap Jr.

Quantifiable outcome

• ES8N with Q-Plus Jacket insulation cover: Annual insulation benefit of 12,790 yen/year, steam reduction of 1,830 kg/year
• +3 more outcomes

Named customers2 records

Segments4 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Scale indicators5 records

Recent moves5 records

Expansion highlights5 records

Direct peers

• TLV Co., Ltd. Japanese-headquartered manufacturer of steam traps, pressure reducing valves, and steam system specialty equipment. Directly competes with Miyawaki across bucket, float, thermostatic, and disc trap categories, and is the most direct Japanese competitor.
• Watson McDaniel: US-based manufacturer of steam traps, pressure reducing valves, and fluid control products. Overlaps directly with Miyawaki's steam trap, pressure reducing valve, and condensate recovery product categories for process industry customers.
• GESTRA AG: German manufacturer of steam traps, condensate pots, control valves, and boiler sequencing equipment. Direct peer in industrial steam components with comparable portfolio breadth and similar focus on process-industry end users.
• Yoshitake Inc. Japanese manufacturer of valves, steam traps, safety relief valves, and fluid control equipment. Closely comparable Japanese peer competing in domestic food, chemical, and industrial steam system segments.
• Armstrong International: US-based manufacturer of steam traps, pressure reducing valves, and condensate recovery equipment. Directly comparable in product portfolio and target customers (food, chemical, industrial process heating), and competes with Miyawaki in international steam-system projects.

Broad incumbents

• Spirax Group plc (Spirax-Sarco): Global leader in steam specialties, including steam traps, pressure reducing valves, condensate management, and pumping traps. Overlaps with nearly all of Miyawaki's core product lines and operates as a broad incumbent across industrial steam markets worldwide.
• Emerson Electric (Rosemount / Anderson Greenwood): Large diversified industrial conglomerate whose process management portfolio includes pressure reducing valves, regulators, and steam-system instrumentation. Competes in overlapping pressure control and condensate management categories at scale.

Regional players

• Caleffi Idraulica: Italian manufacturer of plumbing and hydronic components including steam and hot water distribution valves and accessories. Comparable in component-level overlap (mixing valves, pressure regulators, hot water equipment) but focused primarily on European hydronic and residential/commercial markets.
• Velan Inc. Manufacturer of industrial valves including those used in steam and process applications. Overlaps with Miyawaki's piping accessory and pressure reducing valve categories, but with primary focus on heavy industrial and power generation markets.

Others

• Pentair (Everpure / commercial water): Global water treatment and fluid handling company with steam-related hot water generation and process water products. Adjacent rather than directly competing, but serves overlapping food and industrial customers considering steam/hot water process upgrades.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/channel/UCIj7f72pTMjpWBN5Lg7v73Q
• Instagraminstagram.com/miyawaki_mkt_official

Compliance4 records

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 Miyawaki