227 Enterprise – VRF Joints and Refrigerant Copper Fittings

Headers

Copper Components

HIT Series

Refrigerant Branch Piping Kit for all type of VRF Systems working on R410 Refrigerant

The HIT Series Joints are constructed in a very good manner to divide the refrigerant flow between large numbers of the branch units such that all the indoor units perform equally. They are not made weak because they would suit well with field and indoor pipes.
These joints are a universal multi-step design and as such, they can be used on any VRF system. All of them have UV-stabilized, fire-grade XLPE insulation which prevents condensation and loss of heat to the outside environment when used over the long term.

HIT
Series

FEATURES OF HIT series

Easy to Install

Easy to Install

Pressure Tested at 5.2 MPA

Pressure Tested at 5.2 MPA

100% leak proof

100% leak proof

ROHS & CE compliant

ROHS & CE compliant

Robust Design

Robust Design

Product specification

Pipe-A (ID) Pipe-B (ID) Pipe-C (ID) Reducer (ID)
Pi-E-102SNK (Gas Side) 15.88 – 19.05 – 22.2 – 25.4 22.2 – 19.05 – 15.88 – 12.7 19.05 – 15.88 – 12.7
Pi-E-102SNK (Liquid Side) 9.52 – 12.7 9.52 – 6.35 9.52 – 6.35 9.52 ID X 6.35 OD – 1 Nos
Pi-E-162SNK (Gas Side) 28.58 – 25.4 22.2 – 25.4 – 28.58 22.2 – 19.05 – 15.88 – 12.7 28.58 OD X 25.4 ID X 22.2 ID X 19.05 ID X 15.88 ID X 12.7 ID – 1 Nos
Pi-E-162SNK (Liquid Side) 12.7 12.7 – 9.52 12.7 – 9.52 – 6.35 9.52 ID X 6.35 OD – 1 Nos
Pi-E-242SNK (Gas Side) 28.58 – 25.4 22.2 – 25.4 – 28.58 22.2 – 19.05 – 15.88 – 12.7 28.58 OD X 25.4 ID X 22.2 ID X 19.05 ID X 15.88 ID X 12.7 ID – 1 Nos
Pi-E-242SNK (Liquid Side) 15.88 19.05 – 15.88 – 12.7 – 9.52 15.88 – 12.7 – 9.52 – 6.35 28.58 OD X 25.4 ID X 22.2 ID X 19.05 ID X 15.88 ID X 12.7 ID – 1 Nos
Pi-E-302SNK (Gas Side) 38.1 – 31.75 31.75 – 38.1 28.58 28.58 OD X 25.4 ID X 22.2 ID X 19.05 ID X 15.88 ID X 12.7 ID – 1 Nos 31.75 OD X 28.58 ID X 25.4 ID X 22.2 ID – 1 Nos 38.1 OD x 34.93 ID – 1 Nos
Pi-E-302SNK (Liquid Side) 19.05 – 22.2 22.2 – 19.05 – 15.88 – 12.7 – 9.52 19.05 – 15.88 – 12.7 – 9.52 – 6.35 9.52 ID X 6.35 OD – 1 Nos

OUR Products

Universal<br> Branch Pipe

Universal
Branch Pipe

Precision-engineered universal branch pipe ensuring cross-OEM compatibility and leak-proof VRF connections.

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DA<br> Series

DA
Series

Precision-engineered joints and fittings designed for performance in DA Series VRF/VRV applications.

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ME<br> Series

ME
Series

Reliable copper fittings engineered to meet ME Series network specifications.

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MI<br> Series

MI
Series

Durable refnet joints and branch pipes crafted for reliability in MI systems.

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TA<br> Series

TA
Series

Precision TA Headers and refrigerant distributors for fit in SMMS & TA Header Series

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GR<br> Series

GR
Series

Specialized fittings offering corrosion resistance and leak-proof integrity for GR heat recovery systems.

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BSR<br> Series

BSR
Series

Pre-insulated Branch Piping Kits for streamlined, error-free installation across OEM VRF platforms.

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LG<br> Series

LG
Series

Compatible copper Y-joints and distributors meeting LG Multi V system standards.

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HIT<br> Series

HIT
Series

Custom-tooled fittings and joints ensuring optimal compatibility for HIT Series.

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HAE<br> Series

HAE
Series

Robust VRF Refrigerant Branch Piping to handle pressure and demands of HAE units.

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CL<br> Series

CL
Series

Precision Copper REF Joints and assemblies engineered for operation in CL conditioning systems.

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LNX<br> Series

LNX
Series

Certified fittings and Copper Branch Pipe systems meeting specs for LNX VRF.

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MHI<br> Series

MHI
Series

Reliable VRF copper fittings ensuring flow harmony for MHI series

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SAM <br>Series

SAM
Series

Premium VRF piping systems engineered for peak efficiency.

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PNS <br> Series

PNS
Series

Accurately machined joints and pipes deliver reliability for PNS ECOi and U-Series VRF.

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TRN <br> Series

TRN
Series

High-performance Copper Y Fittings and piping kits engineered with TRN Series VRF systems.

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VRF Y<br> Joint

VRF Y
Joint

Core VRF Y joint ensuring balanced, turbulence-free refrigerant distribution for peak efficiency.

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VRF Branch <br> Piping

VRF Branch
Piping

All-in-one VRF refrigerant branch piping simplifying sourcing from one trusted supplier.

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VRF Refrigerant<br> Branch Piping

VRF Refrigerant
Branch Piping

Precision routing for multi-zone VRF system distribution.

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SAM <br> Headers

SAM
Headers

OEM-specific SAM Headers and distribution joints ensure refrigerant management in DVM S systems.

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TA <br> Headers

TA
Headers

Precision TA Headers and refrigerant distributors for fit in SMMS and Daiseikai series.

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Customized <br> Headers

Customized
Headers

Bespoke Customized Header assemblies designed to meet system layouts and multi-port requirements.

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Copper Compression <br> T Fitting

Copper Compression
T Fitting

Versatile Copper Compression T Fitting engineered for leak-free branches in refrigerant line sets.

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Copper Y  <br> Fitting

Copper Y
Fitting

High-flow copper fittings for balanced refrigerant division.

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Strainers <br>

Strainers

Inline protection against system contamination and debris.

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Mufflers <br>

Mufflers

Engineered components for reducing operational noise and vibration.

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Stubs <br>

Stubs

Short-length copper connectors for system integration and brazing.

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Commercial <br>Tees

Commercial
Tees

Heavy-duty fittings for main line distribution branches.

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Copper <br>Tee Joint

Copper
Tee Joint

Engineered for fast, balanced, and leak-proof main line splits.

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Y-Type  <br> Distributors

Y-Type
Distributors

Advanced distributors for precise refrigerant flow management.

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Unbrazed U & Y  <br> Fittings

Unbrazed U & Y
Fittings

Pre-fabricated joints for simplified, on-site assembly.

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Copper Y  <br> Joints

Copper Y
Joints

Durable copper joints for reliable refrigerant flow splitting.

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Tubular  <br> Assemblies

Tubular
Assemblies

Pre-assembled tubing modules for faster, error-free installation.

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EPS  <br> Insulation

EPS
Insulation

Economical, closed-cell insulation for thermal and condensation control.

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NBR  <br> Insulation

NBR
Insulation

Flexible, fire-resistant nitrile rubber insulation for demanding applications.

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XLPE  <br> Insulation

XLPE
Insulation

Cross-linked polyethylene foam for superior moisture and thermal resistance.

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Customized  <br> Insulation

Customized
Insulation

Bespoke insulation solutions cut and tailored to your components.

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Why 227 Enterprise

The accuracy of the distribution of refrigerant in VRF systems is very important to its efficiency, life, and cost over life. 227 Enterprise engineers make HIT Series Branch Pipes to do very important work in HVAC where failure is not an option. Each joint is tested in factories, the insulation is in place and it is soon ready to be installed thus minimizing errors on the job site, shortening the time lost and accelerating the entire project process to facilities that operate 24 hours a day.

Testimonial's

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FAq's

What is the primary purpose of VRF refrigerant branch pipe?

It divides the refrigerant of one outdoor unit into multiple indoor units to be able to control one zone independently. That specific flow will assist in maintaining the pressure of the system in equilibrium, allow you to both heat or cool efficiently at once and drive the entire VRF system towards the most energy savings possible.

What is the reason why VRF refrigerant pipes are made of copper?

Copper is an excellent conductor of heat and therefore, it conducts heat well, and copper does not rust thus lasts longer. It is compatible with the high pressures of modern refrigerants and this makes it efficient, prevents leaks and provides you with the reliable performance over the years in those complex, expensive VRF systems.

Do HIT Series work with all of the large VRF brands?

Yep. Their multi-step design allows them to fit various standard pipe sizes hence making them universal. It means that contractors are able to apply them to numerous projects, which are easier to hold in stock and which will always be in the right place.

What is the 5.2 Mpa (52 Bar) pressure test assured?

The test in that factory confirms that the joint is capable of taking pressures much higher than it will in normal operation. It demonstrates that the joint is watertight, very robust and secure. The test prevents the expensive failures and downtimes in the field, and installer and owners are assured that the product will be durable.

What is the benefit of the pre-installed insulation in installation?

The XLPE insulation, which is fitted to the factory as fire-grade is laser-cut to fit perfectly. It prevents condensation, eliminates on-site insulation, accelerates installation and provides consistent heat protection without any gaps. That exact fit appears clean and contributes to the overall system remaining energy efficient.

What are some of the important installation instructions of these branch joints?

To avoid oxidation and copper oxide, first use nitrogen during brazing. Ensure that the pipes are well supported and sloped in order to allow oil to be returned. Use a dry, clean and tight method. The next step is to check the entire circuit functionality by running a test pressure decay and vacuum test once installed.

Are these joints compatible with the new low-GWP refrigerants?

Of course. Constructed of premium copper and pressure tested, the HIT Series is compatible with contemporary low-GDP refrigerants such as R-32. Its powerful design addresses the demands of such environmentally friendly coolants to ensure the safety and future-proof performance is reliable.

What are the certifications of the HIT Series?

What are the certifications of the HIT Series?

What model number do you choose?

It is subject to the size of the system (tonnage), the number of branches within the system (indoor), and the size of the liquid and gas pipes that you require. Review VRF specifications of the project and review our comprehensive datasheets. Our engineering support team would also assist you in the choice of the model that you require.

How do you ensure quality assurance of your leaks?

We select super pure copper, perform automated nitrogen purify brazing, and perform a 100 per cent helium mass-spectrometer test to identify small leaks and complete with 5.2 100 gpa hydrostatic pressure test. This is a multi-stage inspection that ensures that all the joints are leakproof during the production phase all the way to your location.