PiPress - Stainless Steel Piping Systems
PiPress® Grooved Connection System

Stainless Steel
Grooved Fittings

Fast, safe, and reliable grooved connection solutions from DN50 to DN400 (2"-16"). Engineered for industrial, commercial, and residential piping systems worldwide.

DN50
to DN400
20+
Years OEM/ODM
50+
Countries Served
PiPress Stainless Steel Grooved Fittings
ISO 9001 Certified
Quality Assured Manufacturing
Product Overview

PiPress Grooved Connection System

The PiPress grooved connection system delivers a fast, tool-free alternative to welding and flanging. Our stainless steel grooved fittings are engineered for demanding fluid and gas transport across a wide range of industries.

Grooved Couplings

Grooved Couplings

Rigid and flexible grooved couplings designed for fast, secure pipe connections in DN50-DN400 (2"-16") sizes. No welding required.

Grooved Fittings

Grooved Fittings

Elbows, tees, reducers, caps, and crosses -- a full range of stainless steel grooved fittings to complete any piping layout.

Grooved Valves and Accessories

Valves & Accessories

Grooved butterfly valves, check valves, strainers, and mechanical tees to build complete, integrated piping systems.

PiPress Grooved Fitting Features
DN50
to DN400
Why PiPress Grooved

Engineered for Speed & Reliability

Fast Installation

Grooved connections eliminate welding and flanging. Significantly reduce installation time and labor costs on site.

Superior Corrosion Resistance

Premium 304/316L stainless steel construction ensures long service life in aggressive media and harsh environments.

Flexible & Rigid Options

Choose between flexible couplings (absorb vibration and thermal movement) or rigid couplings (act like a fixed joint) for your application.

Easy Maintenance & Disassembly

Grooved systems can be disassembled and reassembled quickly without cutting pipe, reducing downtime during maintenance.

Cost-Effective Solution

Lower installation labor, reduced equipment requirements, and minimal maintenance translate to significant total cost savings.

Technical Data

Specifications

PiPress grooved fittings are manufactured to precise dimensional tolerances and meet international pressure and material standards.

General Specifications

Size Range DN50-DN400 (2"-16")
Material Stainless Steel 304 / 316L
Pipe Standards EN 10312, EN 10088, EN 10217, ASTM A312
Working Pressure Up to 2.5 MPa (size-dependent)
Working Temperature -20°C to +120°C (gasket-dependent)
Gasket Options EPDM, NBR, Silicone, PTFE
Coupling Types Flexible & Rigid
Surface Finish Pickled / Passivated / Polished

Product Range

Product Type Size Range Standard
Flexible Coupling DN50-DN400 ASME / EN
Rigid Coupling DN50-DN400 ASME / EN
90° Elbow DN50-DN300 EN / ASME
45° Elbow DN50-DN300 EN / ASME
Equal Tee DN50-DN300 EN / ASME
Reducer DN50-DN300 EN / ASME
Butterfly Valve DN50-DN400 EN / ASME
Mechanical Tee DN50-DN300 EN / ASME

Custom & OEM/ODM Available

We accept custom specifications, special alloys, and non-standard dimensions. With 20+ years of OEM/ODM experience, we can manufacture to your exact requirements.

Applications

Built for Every Industry

PiPress grooved connections are trusted across a broad spectrum of industries for fluid and gas transport in critical infrastructure.

Residential & Commercial Buildings

Domestic water supply, heating, and cooling systems in residential, commercial, and high-rise buildings.

Fire Protection Systems

Sprinkler and fire suppression systems demanding fast, certified, and reliable connections.

HVAC & Chilled Water

Heating, ventilation, air-conditioning, and chilled water distribution in large facilities.

Potable Water & Plumbing

Drinking water distribution systems certified for food-grade and potable water applications.

Industrial Process Piping

Chemical, petrochemical, and manufacturing process lines requiring corrosion-resistant, high-pressure piping.

Compressed Air & Gas

Compressed air distribution and gas installation systems in industrial and commercial facilities.

Food & Beverage

Hygienic stainless steel piping for food processing, brewing, and beverage production facilities.

Data Centers & Cooling

Precision cooling and chilled water systems for data centers and mission-critical facilities.

Certifications & Standards

Globally Certified & Compliant

PiPress grooved fittings are certified for the world's most demanding markets. Our products comply with international standards to ensure safe, reliable performance everywhere they are installed.

CE
PED 2014/68/EU
DVGW
GW541 & W534
WRAS
UK Water Regulations
ASME
B31.1 / B31.3 / B31.9
NSF
Potable Water
WM
WaterMark Australia
ISO 9001
Quality Management System
ISO 14001
Environmental Management
ISO 45001
Occupational Health & Safety

Compliance Standards Reference

DVGW GW541 & W534 -- Germany
EN 10312, EN 10088, EN 10217 -- Europe
ASTM A312 -- USA
ASME B31.1, B31.3, B31.9 -- USA
AS3688, AS5200.053, AS1940, AS4041 -- Australia
WRAS -- England, Wales, N. Ireland, Scotland
CE PED 2014/68/EU -- European Pressure Equipment
Directive (EU) 2020/2184 -- Drinking Water
KIWA, DWD, NSF -- Additional Market Certifications
Why Choose PiPress

A Global Brand You Can Trust

PiPress is a globally recognized stainless steel piping system brand, with branches in Mexico, Spain, Australia, and authorized distributors covering Europe, USA, UK, Latin America, Africa, Middle East, and South East Asia.

Original factory with manufacturing bases in China
20+ years of OEM/ODM manufacturing experience
ISO 9001, 14001, 45001 certified quality systems
Full certifications for CE, DVGW, WRAS, ASME, NSF, WaterMark, KIWA & more
Customized products available to match on-site conditions
Global distribution network across 6 continents
20+
Years Experience
OEM/ODM Manufacturing
DN400
Max Pipe Size
Grooved System Range
50+
Countries Served
Global Distribution
10+
Certifications
International Standards
Get in Touch

Ready to Start Your Project?

Contact our technical team to discuss your grooved connection requirements, request product samples, or get a competitive quote.

Contact PiPress

Global Branches
Mexico · Spain · Australia
+ Authorized Distributors Worldwide
ISO Certified Manufacturing
OEM/ODM Accepted
Technical Support Available

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