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The Stainless Steel Press Union-Coupling S Type is a versatile and durable piping component designed to connect two pipes of the same diameter using a press-fit connection. Constructed from high-quality stainless steel (304 or 316L), this coupling offers excellent corrosion resistance and is suitable for various applications, including plumbing, HVAC, and industrial systems.
Size Range: 1/4”~4" (DN10~DN100)
Thickness：0.6~2MM
Standards: GB/T19228.2-2011 CJ/T 152-2016 CJ/T466-2014 EN DIN ASME
Material: 0Cr18Ni9 SS304 S30408 SUS304 1.4301,,0Cr17Ni12Mo2 SS316 S31603 SUS316 1.4404,SS304L S30403 1.4306 ,SS316L S31603 1.4404.
Ring Gasket Material: CIIR, EPDM,PTFE, Nitrile.
Connection Mode of Socket End: D Type and S Type;
Thread Type: NPT、BSP(BSPP、BSPT);
Nominal pressure: PN16; Water pressure test:2.5MPa; Air tightness test pressure: 1.05MPa.
Process:Pipes - Mechanically formed；
Surface Treatment: Vibration polishing，Magnetic polishing，Pickling;
Product Marking: LOGO-OD-W.T-Material (Can mark the customer's LOGO and mark according to customer's requirement.);
Packing: Plastic bags+ Cartons + Wooden Case;
Certificates: GB/T19001-2016,ISO9001:2015,CE, Sanitary License ;
Brand: LIANHE
Medium: Drinking water(Cold water, hot water.), wastewater, industrial water, Oil, gas.
Application: Engineering projects, Ships, Commercial Buildings, Residential Buildings, Hospitals, Hotels, Environmental Protection, Heating, Air conditioning, etc
Application of all kinds of piping system including Water piping system, Gas piping system, Direct drinking water piping system, Environmental protection piping system, Steam piping system, Heating piping system, Air conditioning piping system, Industrial water piping system and so on;
Test Items:Hydrostatic test, Airtight test, Pressure test, Negative Pressure test, Drawing Test, Temperature change (cold and hot water cycle) test, Hydrostatic bending and Torsion test, Hydrostatic vibration test, Hydrostatic impact test.
Delivery inspection: Material, Surface, Size, Hydrostatic test, Airtight test;
Factory inspection Report and Certificates:
EN 10204/3.1B-MTC
Raw material inspection certificate.
100% Radiography Test Report
Hydraulic seal test report.
Thread inspection report
Third Party Inspection Report, etc
Matching gasket applicable temperature range: -20℃~110℃
Product Quality Control:We have QC person stay on the production lines do to the inspection. All products must have been inspected before delivery. we do online inspection and final inspection.
1.Raw material outside diameter thickness material inspection;
2.The length and end of raw materials shall be inspected after cutting;
3. After machine processing, the socket, outside diameter and thickness are checked;
4.The weld size surface shall be inspected after welding forming.
5. After heat treatment, the surface, size and socket shall be inspected.
6.After surface treatment, check whether the surface is qualified.
7.100% Hydraulic air tightness test.
8. Marking and Packaging inspection.
Production Equipment: 5 sets of automatic pipe welding production lines, 2 laser cutting machines, 5 vibration machines, 2 magnetic throwing machines, 5 airtight and hydraulic test equipment, 3 forming machines, 3 grooving machines, 2 drilling machines, 10 CNC lathes, 6 flat opening machines, 2 vertical water expansion machines, 2 frame water expansion machines, 10 pipe bending machines, 8 automatic argon arc welding machines, 4 hydraulic drawing machines, 4 hydraulic high-speed punching machines, 2 laser typewriters, 2 packaging and other related equipment;
HS Code: 7307230000
Payment Term: 30%TT Advance Payment+70%TT Payment Before Delivery. ( Note: Specific can be discussed.)
Available via T/T, Western Union, Paypal Etc. Payment for goods.
Shipping Terms: EXW, FOB,CFR,CIF,DDP,DDU.
We can provide shipping by sea, by air and by express.
MOQ: 5~10PCS, There are 5000PCS in stock for each product and each size. Can support delivery at any time.
Free Samples: Yes,Samples are available free of charge. But the express delivery fee is not covered.
Quotation Time: Within 3 hour.
Delivery Time: Products of regular size 3~7 days. 25 days for production.
Price validity: 3~7 days, according to the market.
After-Sales Service: Our quality warranty period is 1year. Any quality problem will be solved to customer satisfactions.
Our Services
1. Good knowledge on different market can meet special requirements.
2. Real manufacturer with our own factory located in ***********Wenzhou China
3. Strong professional technical team ensure to produce the top quality products.
4. Special cost control system ensure to provide the most favorable price.
5. Abundance of press fittings production and sales management.
Place of Origin: Wenzhou,China
High Mechanical Strength: Robust construction ensures reliable performance under high pressure and mechanical stress.
Superior Corrosion Resistance: Premium 304/316L stainless steel resists rust, scaling, and chemical corrosion.
Long Service Life: Durable materials and precision manufacturing provide years of maintenance-free operation.
Low Flow Resistance: Full-port design minimizes pressure drop and ensures smooth fluid flow.
Excellent Seismic Performance: Can withstand vibrations, thermal expansion, and minor ground movements.
Sanitary and Hygienic (BABSL): Meets sanitary standards for safe use in food, beverage, and pharmaceutical applications.
Environmentally Friendly: Produced using sustainable processes; fully recyclable material.
Easy Installation: Press-fit and threaded design allow quick, welding-free connections, reducing labor costs.
Ideal for Embedded Systems: Suitable for concealed piping or built-in installations in buildings and industrial setups.
Cost-Effective: Reduces long-term maintenance and replacement costs due to durability and reliability.
Wear-Resistant: Resistant to abrasion and erosion in water, gas, and industrial fluid systems.
Health-Safe Materials: Non-toxic, corrosion-free, suitable for potable water and hygienic systems.
Leak-Proof Sealing: Press-fit connections with quality gaskets ensure tight, maintenance-free joints.
Versatile Applications: Compatible with water, gas, HVAC, industrial liquids, and sanitary piping networks.
Smooth Surface Finish: Polished internal and external surfaces prevent bacterial accumulation and scaling.
Preparation: Ensure that the pipes and fittings are clean and free from debris.
Insertion: Insert the pipe ends fully into the coupling.
Pressing: Use a compatible press tool to secure the connection, following the manufacturer's guidelines.
Inspection: After installation, inspect the joints to ensure they are properly secured and leak-free.
The Stainless Steel Press Union-Coupling S Type is a versatile and durable piping component designed to connect two pipes of the same diameter using a press-fit connection. Constructed from high-quality stainless steel (304 or 316L), this coupling offers excellent corrosion resistance and is suitable for various applications, including plumbing, HVAC, and industrial systems.
Size Range: 1/4”~4" (DN10~DN100)
Thickness：0.6~2MM
Standards: GB/T19228.2-2011 CJ/T 152-2016 CJ/T466-2014 EN DIN ASME
Material: 0Cr18Ni9 SS304 S30408 SUS304 1.4301,,0Cr17Ni12Mo2 SS316 S31603 SUS316 1.4404,SS304L S30403 1.4306 ,SS316L S31603 1.4404.
Ring Gasket Material: CIIR, EPDM,PTFE, Nitrile.
Connection Mode of Socket End: D Type and S Type;
Thread Type: NPT、BSP(BSPP、BSPT);
Nominal pressure: PN16; Water pressure test:2.5MPa; Air tightness test pressure: 1.05MPa.
Process:Pipes - Mechanically formed；
Surface Treatment: Vibration polishing，Magnetic polishing，Pickling;
Product Marking: LOGO-OD-W.T-Material (Can mark the customer's LOGO and mark according to customer's requirement.);
Packing: Plastic bags+ Cartons + Wooden Case;
Certificates: GB/T19001-2016,ISO9001:2015,CE, Sanitary License ;
Brand: LIANHE
Medium: Drinking water(Cold water, hot water.), wastewater, industrial water, Oil, gas.
Application: Engineering projects, Ships, Commercial Buildings, Residential Buildings, Hospitals, Hotels, Environmental Protection, Heating, Air conditioning, etc
Application of all kinds of piping system including Water piping system, Gas piping system, Direct drinking water piping system, Environmental protection piping system, Steam piping system, Heating piping system, Air conditioning piping system, Industrial water piping system and so on;
Test Items:Hydrostatic test, Airtight test, Pressure test, Negative Pressure test, Drawing Test, Temperature change (cold and hot water cycle) test, Hydrostatic bending and Torsion test, Hydrostatic vibration test, Hydrostatic impact test.
Delivery inspection: Material, Surface, Size, Hydrostatic test, Airtight test;
Factory inspection Report and Certificates:
EN 10204/3.1B-MTC
Raw material inspection certificate.
100% Radiography Test Report
Hydraulic seal test report.
Thread inspection report
Third Party Inspection Report, etc
Matching gasket applicable temperature range: -20℃~110℃
Product Quality Control:We have QC person stay on the production lines do to the inspection. All products must have been inspected before delivery. we do online inspection and final inspection.
1.Raw material outside diameter thickness material inspection;
2.The length and end of raw materials shall be inspected after cutting;
3. After machine processing, the socket, outside diameter and thickness are checked;
4.The weld size surface shall be inspected after welding forming.
5. After heat treatment, the surface, size and socket shall be inspected.
6.After surface treatment, check whether the surface is qualified.
7.100% Hydraulic air tightness test.
8. Marking and Packaging inspection.
Production Equipment: 5 sets of automatic pipe welding production lines, 2 laser cutting machines, 5 vibration machines, 2 magnetic throwing machines, 5 airtight and hydraulic test equipment, 3 forming machines, 3 grooving machines, 2 drilling machines, 10 CNC lathes, 6 flat opening machines, 2 vertical water expansion machines, 2 frame water expansion machines, 10 pipe bending machines, 8 automatic argon arc welding machines, 4 hydraulic drawing machines, 4 hydraulic high-speed punching machines, 2 laser typewriters, 2 packaging and other related equipment;
HS Code: 7307230000
Payment Term: 30%TT Advance Payment+70%TT Payment Before Delivery. ( Note: Specific can be discussed.)
Available via T/T, Western Union, Paypal Etc. Payment for goods.
Shipping Terms: EXW, FOB,CFR,CIF,DDP,DDU.
We can provide shipping by sea, by air and by express.
MOQ: 5~10PCS, There are 5000PCS in stock for each product and each size. Can support delivery at any time.
Free Samples: Yes,Samples are available free of charge. But the express delivery fee is not covered.
Quotation Time: Within 3 hour.
Delivery Time: Products of regular size 3~7 days. 25 days for production.
Price validity: 3~7 days, according to the market.
After-Sales Service: Our quality warranty period is 1year. Any quality problem will be solved to customer satisfactions.
Our Services
1. Good knowledge on different market can meet special requirements.
2. Real manufacturer with our own factory located in ***********Wenzhou China
3. Strong professional technical team ensure to produce the top quality products.
4. Special cost control system ensure to provide the most favorable price.
5. Abundance of press fittings production and sales management.
Place of Origin: Wenzhou,China
High Mechanical Strength: Robust construction ensures reliable performance under high pressure and mechanical stress.
Superior Corrosion Resistance: Premium 304/316L stainless steel resists rust, scaling, and chemical corrosion.
Long Service Life: Durable materials and precision manufacturing provide years of maintenance-free operation.
Low Flow Resistance: Full-port design minimizes pressure drop and ensures smooth fluid flow.
Excellent Seismic Performance: Can withstand vibrations, thermal expansion, and minor ground movements.
Sanitary and Hygienic (BABSL): Meets sanitary standards for safe use in food, beverage, and pharmaceutical applications.
Environmentally Friendly: Produced using sustainable processes; fully recyclable material.
Easy Installation: Press-fit and threaded design allow quick, welding-free connections, reducing labor costs.
Ideal for Embedded Systems: Suitable for concealed piping or built-in installations in buildings and industrial setups.
Cost-Effective: Reduces long-term maintenance and replacement costs due to durability and reliability.
Wear-Resistant: Resistant to abrasion and erosion in water, gas, and industrial fluid systems.
Health-Safe Materials: Non-toxic, corrosion-free, suitable for potable water and hygienic systems.
Leak-Proof Sealing: Press-fit connections with quality gaskets ensure tight, maintenance-free joints.
Versatile Applications: Compatible with water, gas, HVAC, industrial liquids, and sanitary piping networks.
Smooth Surface Finish: Polished internal and external surfaces prevent bacterial accumulation and scaling.
Preparation: Ensure that the pipes and fittings are clean and free from debris.
Insertion: Insert the pipe ends fully into the coupling.
Pressing: Use a compatible press tool to secure the connection, following the manufacturer's guidelines.
Inspection: After installation, inspect the joints to ensure they are properly secured and leak-free.
