S-lok Gmbh

What S-lok Gmbh does

S-LOK GmbH is a privately-held German limited liability company headquartered in Limburgerhof, Germany, operating as the exclusive distribution partner of HanSun Engineering Co., Ltd. (Busan, South Korea) for the German-speaking European market — Germany, Austria, and Switzerland. The company distributes a broad portfolio of industrial tube fittings and valves, including compression fittings, UHP/clean fittings, bite-type fittings (JIS B2351 / DIN 2353), quick connectors, instrument pipe fittings, forged fittings, dielectric fittings, ultra-vacuum and VCR fittings, needle valves (up to 6000 psi), multiple series of ball valves (SBV10, SBV30, SFBV60, SBV60, STBV60, SDBV), plug valves, check valves, relief valves, and specialized valves (bleed, purge, metering, excess flow, manifold, toggle). Products are manufactured under continuous quality control and supplied in stainless steel (316L/316LV), brass, and special alloys including 6MO.

The company serves industrial gas operators, hydraulic systems integrators, plant engineers, laboratory constructors, semiconductor and high-purity end-users, and German technical universities, with a customer base that includes Air Liquide Deutschland, BASF Catalysts Germany, Kinetics Germany, SPECTRON Gas Control Systems, and others. Products carry certifications spanning ISO 9001, API Q1-1448, ECE R110, ISO 15500, NGV3.1, ABS, BV, DNV, GL, CCS, Achilles, PEMEX, NIGC, and SK Innovation, qualifying them for oil & gas, marine, CNG/LPG, and energy-sector procurement. The managing director is Sven Conrad.

S-LOK runs a sales-led B2B motion combining field sales representatives across DACH, an inside-sales support function, and a password-protected B2B web shop for registered business customers. Pricing is quote-based and not publicly disclosed, consistent with a distribution-led industrial model in which S-LOK captures margin on resale of HanSun-manufactured components rather than developing proprietary production technology. The company has no disclosed funding, no parent company, no subsidiaries, and operates with 1-10 employees.

Name

S-lok Gmbh

Legal name

S-LOK GmbH

Website

https://s-lok-gmbh.de

Company type

Private

Founded year

2014

Operating status

Operating

Headcount range

1–10 employees

Short description

S-LOK GmbH is a German industrial distributor that exclusively sells HanSun Engineering's (South Korea) tube fittings, valves, and fluid-control components to industrial, laboratory, and research customers across Germany, Austria, and Switzerland via field sales and a B2B web shop.

Ownership category

akta.pro rank

Headquarters

HQ city

Limburgerhof

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Industrial Fittings and Valves Sales: Direct B2B sales of tube fittings, valves, and related fluid control components to industrial customers. Products are sold through field sales representatives, web shop for registered customers, and potentially through the exclusive distribution partnership with HanSun. Revenue is generated through product sales with pricing based on quotes for registered business customers.

Pricing tiers

Go-to-market motion2 records

Distribution channels3 records

Marketing channels3 records

Core offering

S-LOK GmbH exclusively distributes HanSun Engineering Co., Ltd.'s portfolio of tube fittings, valves, filters and related fluid/gas connection components to industrial buyers in German-speaking Europe. Offerings span compression-ring fittings (S-LOK, Bite-Type DIN 2353/JIS B2351, UHP/Clean, Ultra-Vacuum, VCR), quick connectors, instrument and forged fittings, dielectric and push-on hose fittings, plus valve families including needle, ball, plug, check, relief, bleed, metering, toggle, purge, gauge-root and excess-flow valves. Sales are quote-based to registered business customers via field sales and a B2B web shop.

Product overview

S-LOK GmbH is a German distributor specializing in industrial fittings and valves. The company operates as an official sales partner of HanSun Engineering Co., Ltd. (South Korea) and exclusively distributes HanSun products in German-speaking Europe. The product portfolio is organized into two main categories: Fittings (including S-LOK Tube Fittings, UHP Clean Fittings, Bite-Type Fittings per JIS B2351 and DIN 2353 standards, Quick Connectors, Instrument Pipe Fittings, Forged Fittings, Push-on Hose Fittings, Dielectric Fittings, Ultra Vacuum Fittings, and VCR fittings) and Valves (including Needle Valves in Integral Bonnet, Bar Stock, Union Bonnet, and High Pressure variants; Ball Valves across SBV10, SBV30, SFBV60, SBV60, STBV60, and SDBV series; Plug Valves, Check Valves, Relief Valves, and specialized valves such as Bleed, Manifold/Gauge, 3-Way Test Cock, Excess Flow, Metering, Toggle, Purge, and Rising Plug). Products are manufactured under continuous quality control and distributed exclusively through a B2B web shop requiring registered business customer login.

Differentiator

Problem solved

Functional benefit

Products and services

• S-LOK Tube Fittings (compression-ring) Compression-ring (Klemmringverschraubung) tube fittings for secure connections in industrial fluid and gas systems, available in stainless steel and brass.
• Bite-Type Tube Fittings (DIN 2353 / JIS B2351) Standard bite-type compression fittings compliant with JIS B2351 and DIN 2353 for industrial pipe connections.
• UHP / Clean Fittings Ultra-high-purity fittings engineered for semiconductor and pharmaceutical applications requiring contamination-free environments.
• Ultra Vacuum / VCR Fittings Fittings designed for ultra-high-vacuum and ultra-clean environments in semiconductor, research and aerospace applications, including VCR couplings with electropolished finishes.
• Quick Connectors Fast-connect fittings that enable rapid assembly and disassembly of fluid and gas lines without tools.
• Instrument Pipe Fittings Fittings designed for instrument and control-line connections in process industries.
• Forged Fittings High-strength forged fittings rated for high-pressure service in demanding industrial environments.
• Push-On Hose Fittings Fittings designed to connect hoses without clamps or tools via push-on engagement.
• Dielectric Fittings Insulated fittings that prevent galvanic corrosion between dissimilar metals in mixed-metal piping systems.
• Needle Valves (Integral Bonnet, Bar Stock, Union Bonnet, High Pressure) Precision metering needle valves with needle-style plungers for fine flow control and shut-off in high-pressure (up to 6000 psi) industrial service, available in integral-bonnet, bar-stock, union-bonnet and high-pressure variants.
• Ball Valves (SBV10, SBV30, SFBV60, SBV60, STBV60, SDBV series) Quarter-turn ball valves with spherical closure elements for on/off control in industrial fluid systems, offered across multiple pressure ratings and material variants in the SBV10/SBV30/SFBV60/SBV60/STBV60/SDBV series.
• Plug Valves (SPV series) Plug valves with tapered or cylindrical plugs for industrial flow control, including rising-stem (rising plug) variants for visual position indication.
• Check Valves (SCV30, SCP30, SCA30, SCH60 series) Automatic one-way check valves that allow flow in one direction while preventing reverse flow in industrial fluid systems, supplied in SCV30, SCP30, SCA30 and SCH60 series.
• Relief Valves Safety relief valves that automatically release pressure when it exceeds a predetermined threshold, protecting fluid and gas systems from over-pressure.
• Bleed & Purge Valves Small valves for bleeding off trapped pressure, draining sections, or purging fluids/gases from piping systems.
• Manifold, Gauge & Gauge Root Valves Valve assemblies (manifolds, gauge valves, gauge-root valves) used to mount instruments and isolate or equalize pressure-measurement devices.
• 3-Way Test Cock Valves Three-way valves for testing, sampling and diverting flow in piping systems.
• Excess Flow Valves Safety valves that close automatically when flow rate exceeds a preset limit, protecting piping from leaks and ruptures.
• Metering Valves Precision valves for accurate measurement and control of fluid or gas flow rates in instrumentation and process lines.
• Toggle Valves Quick-action valves operated by a toggle mechanism for rapid on/off control of flow.
• Integral Block & Bleed Valves & Mono Flange Compact valve assemblies that combine block-and-bleed functionality in a single mono-flange body for instrumentation and process isolation.
• Inline Filters Inline filters that remove particles and contaminants from industrial fluid and gas streams.

Named customers22 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

Partnerships

One partnership is on record.

• HanSun Engineering Co., Ltd.coreOEM/ Whitelabel/ Licensing PartnerS-Lok GmbH is the official sales partner (Vertriebspartner) of HanSun Engineering Co., Ltd., headquartered in Busan, South Korea. S-Lok has exclusive distribution rights for HanSun products in the German-speaking European market (Germany, Austria, Switzerland). The products are manufactured under constant quality control and exclusively distributed by S-Lok in this territory. HanSun specializes in tube fittings, valves, and fluid control components.

Scale indicators1 record

Recent moves5 records

Expansion highlights5 records

Broad incumbents

• Bürkert Fluid Control Systems: German-based manufacturer of fluid control systems including solenoid, process, and pneumatic valves plus sensors. Headquartered near S-LOK's DACH market, Bürkert is a regional incumbent in process and industrial fluid control.
• SMC Corporation: Japanese-headquartered global leader in pneumatic and industrial automation components including fittings, valves, and tubing. Competes with S-LOK in the broader industrial fittings and valve category as a diversified incumbent.
• Parker Hannifin: Global industrial conglomerate with a substantial Instrumentation Group offering fittings, valves, and fluid handling products. Overlaps with S-LOK's portfolio but competes as a broad incumbent rather than a specialty distributor.
• Festo: German-headquartered global supplier of pneumatic and electric automation technology, including fittings, valves, and connectors. Overlaps with S-LOK's push-on and quick-connect fittings and serves the same German industrial automation customer base.

Regional players

• WEH GmbH: German manufacturer of quick-connect couplings, valves, and fluid system components. Overlaps directly with S-LOK's quick connectors and valve portfolio and competes for the same German industrial customer base.
• BESA (B.E.S. Beschläge GmbH): German-based specialist distributor and manufacturer of industrial fittings and valves for chemical, pharmaceutical, and process industries. Closely comparable as a regional DACH player focused on similar fluid control applications.
• Dietzel GmbH: Austrian/German industrial fittings and conduit manufacturer with strong DACH distribution. Competes in adjacent industrial components categories and shares S-LOK's regional sales footprint across Austria and Germany.

Direct peers

• Ham-Let Group: Israeli-based manufacturer of compression fittings, valves, and fluid control components for industrial, semiconductor, and oil & gas applications. Closely comparable product range (bite-type fittings, needle/ball/check valves) with similar specialty in high-purity and high-pressure applications.
• Swagelok Company: Global leader in tube fittings, valves, and fluid system components for industrial applications. Directly comparable product portfolio (compression fittings, ball/needle/check valves) and the dominant incumbent S-LOK competes against in the DACH region.
• Hy-Lok Group: South Korean manufacturer of tube fittings and valves, comparable to S-LOK's HanSun supply base. Hy-Lok is a direct substitute at the manufacturer level and competes for the same industrial and semiconductor end-customers.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/s-lok-gmbh

Compliance16 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

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 S-lok Gmbh