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Hopewell press fitting system joins pipe without welding or bolting, can be widely used in cold and hot water supply, heating supply, fire protection, medicinal gas, industrial petroleum pipeline system etc. It has already replaced welding fittings in most Europe countries, Asia countries, America, Australia and some other countries.Â
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Standard:
Press fitting standard: GB/T 19228.1-2003, DVGW W534-1995 and JWWA G116
Pipe standard: GB/T 19228.2-2003, BS EN 10312 and JIS G3448
Sealing ring standard: GBT 19228.3-2003, EN681-1:1998
Technical information:
-- Material: Stainless steel 304 and 316 available.
-- Max working pressure 1.6MPa (equal to 232 psi),
testing water pressure: 2.5MPa for JIS sizes (equal to 362.5psi), and 5MPa for EN10312 sizes.
-- Working temperature from -20 to 110 degree centigrade (with Chlorinated butyl rubber O ring),
-- Suit medium: cold water, hot water, compressed air, gas, oil etc
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Press fitting range:
Coupling -- Equal coupling, Reducing coupling, Adjustable coupling, coupling with screw;
Elbow -- equal elbow, reducing elbow, elbow with plain end, elbow with screw;Â
Tee -- equal tee, reducing tee, tee with screw;
Other fittings -- Pipe cap, pipe bridge and Flange.
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Sizes range:
The norminal diameters are: DN15, 20, 25, 32, 40, 50, 65, 80 and DN100, including GB 1 and GB 2.
GB 1 series is same size as EN10312, out diameters are: 18, 22, 28, 35, 42, 54, 76.1, 88.9, 108mm.
GB 2 series is same size as JIS G 3448, out diameters are: 15.88, 22.22, 28.58, 34.00, 42.7, 48.6, 76.1, 88.9, 108mm.
Which sizes is suitable for your market?
GB1(EN10312) | GB2Â (JIS G3448) | ||||||
Item No. | Nominal Dia. | Diameter | Thick | Item No. | Nominal Dia. | Diameter | Thick |
HW015B | DN15 | 18 | 1 | HW015A | DN15 | 15.88 | 0.8 |
HW020B | DN20 | 22 | 1.2 | HW020A | DN20 | 22.22 | 1 |
HW025B | DN25 | 28 | 1.2 | HW025A | DN25 | 28.58 | 1 |
HW032B | DN32 | 35 | 1.5 | HW032A | DN32 | 34 | 1.2 |
HW040B | DN40 | 42 | 1.5 | HW040A | DN40 | 42.7 | 1.2 |
HW050B | DN50 | 54 | 1.5 | HW050A | DN50 | 48.6 | 1.2 |
HW065B | DN65 | 76.1 | 2 | HW065B | DN65 | 76.1 | 2 |
HW080B | DN80 | 88.9 | 2 | HW080B | DN80 | 88.9 | 2 |
HW100B | DN100 | 108 | 2 | HW100B | DN100 | 108 | 2 |
Note | Standard pipe length is 6m. Other lengths and specifications can be customized according to correspondents' needs. |
Sealing ring material:
Option 1. CIIR(Chlorinated butyl rubber):Â Sanitary for human consumption, not oil resistant. Suitable for drinking water, tap water, hot and cold water, sanitary air.
Option 2. EPDM(Ethylene-Propylene-Diene Monomer) :Â Sanitary for human consumer, not oil resistant. Suitable for drinking water, tap water, hot and cold water, sanitary air and compressed gas.
Option 3: FKM(Fluororubber):Â It is both oil proof and sanitary. suitable for edible oil, compressed air. But a little more expensive than CIIR, EPDM and NBR.
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What application purpose do you want to use the press fit pipeline system? Which O-ring Material do you prefer?
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Advantages of Press Fitting Pipeline:
(1). Corrosion-resistant
(2). Easy Installation
(3). Load High Working Pressure(1.6MPa / 232PSI)
(4). Shock Resistant
(5). Suitable for In-wall Installation
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Installation case example:


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Packaging & Shipping
For press fittings packing:Â we pack press fittings in polybag to prevent surface scratch, and then pack them inside brown export cartons.
For pipe packing:Â we pack the stainless steel pipes inside polybag, so that it can prevent surface scratch, and keep dirts away from the inside of the pipes.
If you have special requirement on packing, please tell us.
Our Services
* Free sample:Â we can provide a few free sample for evaluation.
* After-sales service:Â we provide after-sales technical support for clients.
* Strict Quality control:Â we have 100% inspection before delivery to ensure every pieces are in good quality.
Below you can see pictures of our inspection line:
Company Information
We are an ISO certified professional manufaturer supplying stainless steel press fittings and pipes.
We have the following certificates:Â
ISO9001:2008 certification,Â
Brunei approval certificate;Â
Test report from China Building Material National Research CenterÂ
Hong Kong approval certificate;Â
Sanitary certificate from China government;Â
SGS witness report;Â
Singapore Setsco test certificate;Â
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Company and production line view:

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Please contact us for free sample and pricelist. Stainless Steel Press Fitting Pipe System
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Hopewell press fitting system joins pipe without welding or bolting, can be widely used in cold and hot water supply, heating supply, fire protection, medicinal gas, industrial petroleum pipeline system etc. It has already replaced welding fittings in most Europe countries, Asia countries, America, Australia and some other countries.Â
Â
Standard:
Press fitting standard: GB/T 19228.1-2003, DVGW W534-1995 and JWWA G116
Pipe standard: GB/T 19228.2-2003, BS EN 10312 and JIS G3448
Sealing ring standard: GBT 19228.3-2003, EN681-1:1998
Technical information:
-- Material: Stainless steel 304 and 316 available.
-- Max working pressure 1.6MPa (equal to 232 psi),
testing water pressure: 2.5MPa for JIS sizes (equal to 362.5psi), and 5MPa for EN10312 sizes.
-- Working temperature from -20 to 110 degree centigrade (with Chlorinated butyl rubber O ring),
-- Suit medium: cold water, hot water, compressed air, gas, oil etc
Â
Press fitting range:
Coupling -- Equal coupling, Reducing coupling, Adjustable coupling, coupling with screw;
Elbow -- equal elbow, reducing elbow, elbow with plain end, elbow with screw;Â
Tee -- equal tee, reducing tee, tee with screw;
Other fittings -- Pipe cap, pipe bridge and Flange.
 Â
Sizes range:
The norminal diameters are: DN15, 20, 25, 32, 40, 50, 65, 80 and DN100, including GB 1 and GB 2.
GB 1 series is same size as EN10312, out diameters are: 18, 22, 28, 35, 42, 54, 76.1, 88.9, 108mm.
GB 2 series is same size as JIS G 3448, out diameters are: 15.88, 22.22, 28.58, 34.00, 42.7, 48.6, 76.1, 88.9, 108mm.
Which sizes is suitable for your market?
GB1(EN10312) | GB2Â (JIS G3448) | ||||||
Item No. | Nominal Dia. | Diameter | Thick | Item No. | Nominal Dia. | Diameter | Thick |
HW015B | DN15 | 18 | 1 | HW015A | DN15 | 15.88 | 0.8 |
HW020B | DN20 | 22 | 1.2 | HW020A | DN20 | 22.22 | 1 |
HW025B | DN25 | 28 | 1.2 | HW025A | DN25 | 28.58 | 1 |
HW032B | DN32 | 35 | 1.5 | HW032A | DN32 | 34 | 1.2 |
HW040B | DN40 | 42 | 1.5 | HW040A | DN40 | 42.7 | 1.2 |
HW050B | DN50 | 54 | 1.5 | HW050A | DN50 | 48.6 | 1.2 |
HW065B | DN65 | 76.1 | 2 | HW065B | DN65 | 76.1 | 2 |
HW080B | DN80 | 88.9 | 2 | HW080B | DN80 | 88.9 | 2 |
HW100B | DN100 | 108 | 2 | HW100B | DN100 | 108 | 2 |
Note | Standard pipe length is 6m. Other lengths and specifications can be customized according to correspondents' needs. |
Sealing ring material:
Option 1. CIIR(Chlorinated butyl rubber):Â Sanitary for human consumption, not oil resistant. Suitable for drinking water, tap water, hot and cold water, sanitary air.
Option 2. EPDM(Ethylene-Propylene-Diene Monomer) :Â Sanitary for human consumer, not oil resistant. Suitable for drinking water, tap water, hot and cold water, sanitary air and compressed gas.
Option 3: FKM(Fluororubber):Â It is both oil proof and sanitary. suitable for edible oil, compressed air. But a little more expensive than CIIR, EPDM and NBR.
Â
What application purpose do you want to use the press fit pipeline system? Which O-ring Material do you prefer?
Â
Â
Advantages of Press Fitting Pipeline:
(1). Corrosion-resistant
(2). Easy Installation
(3). Load High Working Pressure(1.6MPa / 232PSI)
(4). Shock Resistant
(5). Suitable for In-wall Installation
Â
Installation case example:


Â
Packaging & Shipping
For press fittings packing:Â we pack press fittings in polybag to prevent surface scratch, and then pack them inside brown export cartons.
For pipe packing:Â we pack the stainless steel pipes inside polybag, so that it can prevent surface scratch, and keep dirts away from the inside of the pipes.
If you have special requirement on packing, please tell us.
Our Services
* Free sample:Â we can provide a few free sample for evaluation.
* After-sales service:Â we provide after-sales technical support for clients.
* Strict Quality control:Â we have 100% inspection before delivery to ensure every pieces are in good quality.
Below you can see pictures of our inspection line:
Company Information
We are an ISO certified professional manufaturer supplying stainless steel press fittings and pipes.
We have the following certificates:Â
ISO9001:2008 certification,Â
Brunei approval certificate;Â
Test report from China Building Material National Research CenterÂ
Hong Kong approval certificate;Â
Sanitary certificate from China government;Â
SGS witness report;Â
Singapore Setsco test certificate;Â
Â

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Company and production line view:

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Please contact us for free sample and pricelist.
Door panel: door panel is made of stainless steel 304 with no frame. Core materials are paper honeycomb, aluminum honeycomb, PU, EPS and etc. The installation sites of door lock, door closer and hinge are reinforced with square tubes of more than1.5mmthickness which are compression moulded by special technology.
Door frame: it is made of completely stainless steel 304. The connection types with wallboards are double-clip type and aluminum connection. The former is applied mostly to machine made wallboard and the latter hand made wallboard. The accessories are double window and lift type sweeping bar. The lock can be famous door lock or the owners can select lock brands themselves.
Specification: common sizes 800X2100, 900X2100, 1500X2100 or1800X2100, can customize to customers` requirements, the materials can be selected according to customers` requirements such as306Lor other special materials.
Features: the stainless steel 304 door we produced are of elegant appearance, sturdy and durable, acid and rotting resistance and thermal insulation. It is the first choice for high-end projects at home and engineering concerning foreign affairs that requires for anticorrosion and high quality such as electronics factory and food factory
Hospital Sliding Door,Hospital Automatic Sliding Door,Hospital Sliding Glass Door,Hospital Sliding Ward Door
Shenzhen Hongfa Automatic Door Co., Ltd. , https://www.hffreezerdoor.com