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The LIANHE Stainless Steel Press Cap S Type is designed to securely seal and terminate the end of a stainless steel pipeline. Its press-fit connection provides a fast, permanent, and dependable sealing solution for water, gas, heating, cooling, and compatible industrial fluid systems.
Manufactured from mechanically formed stainless steel pipe, the press cap offers good structural strength, corrosion resistance, dimensional consistency, and long-term operating performance. When installed with the correct sealing ring and approved pressing tool, it forms a secure pipe-end closure without requiring extensive on-site welding.
The S-type press connection can help shorten installation time, reduce labor requirements, and simplify pipeline construction. The product is available in different sizes, stainless steel grades, surface finishes, and gasket materials to meet the requirements of commercial, residential, industrial, and infrastructure projects.
Parameter | Specification |
|---|---|
Product Name | Stainless Steel Press Cap S Type |
Size Range | 1/4"–4" (DN10–DN100) |
Wall Thickness | 0.6–2.0 mm |
Applicable Standards | GB/T 19228.2-2011, CJ/T 152-2016, CJ/T 466-2014, EN, DIN, ASME |
Available Materials | 0Cr18Ni9 / SS304 / S30408 / SUS304 / 1.4301 0Cr17Ni12Mo2 / SS316 / SUS316 SS304L / S30403 / 1.4306 SS316L / S31603 / 1.4404 |
Available Sealing-Ring Materials | CIIR, EPDM, PTFE, NBR |
Applicable Gasket Temperature Range | -20°C to +110°C |
Connection Type | S-Type Press Socket Connection |
Nominal Pressure | PN16 |
Hydrostatic Test Pressure | 2.5 MPa |
Airtightness Test Pressure | 1.05 MPa |
Manufacturing Process | Mechanically Formed from Stainless Steel Pipes |
Surface Treatment Options | Vibration Polishing, Magnetic Polishing, Pickling |
Product Marking | LOGO–OD–W.T.–Material. Customer logos and customized markings can be applied according to specific requirements. |
Brand | LIANHE |
HS Code | 7307230000 |
Place of Origin | Wenzhou, Zhejiang, China |
Inspection reports and supporting quality documents can be supplied according to the confirmed order requirements, including:
EN 10204 3.1 Material Test Certificate
Raw-Material Inspection Certificate
Radiographic Testing Report, when applicable
Hydraulic Sealing Test Report
Dimensional Inspection Report
Socket and Connection Inspection Report
Third-Party Inspection Report
Other project-specific quality documents
The inspection scope, testing ratio, documentation requirements, and third-party witnessing arrangements should be confirmed before production.
Available testing procedures include:
Hydrostatic Pressure Test
Airtightness Test
Working Pressure Test
Negative-Pressure Test
Pull-Out Test
Cold- and Hot-Water Temperature-Cycling Test
Hydrostatic Bending and Torsion Test
Hydrostatic Vibration Test
Hydrostatic Impact Test
Delivery Inspection: Material grade, surface condition, dimensions, socket structure, wall thickness, hydrostatic performance, airtightness, product markings, quantities, and packaging.
The applicable tests depend on the product specification, governing standard, intended application, and confirmed inspection plan.
Quality-control personnel perform in-process and final inspections throughout production. Products are inspected before delivery to verify that their materials, dimensions, surfaces, sockets, sealing performance, markings, and packaging comply with the confirmed requirements.
Inspect the outside diameter, wall thickness, material grade, and surface condition of incoming raw materials.
Check the length, cutting position, and end condition of raw materials after cutting.
Inspect the socket dimensions, outside diameter, and wall thickness after machining and mechanical forming.
Check weld dimensions, weld appearance, and surface quality after welding and forming, where applicable.
Inspect the product surface, dimensions, and socket structure after heat treatment.
Verify the surface after vibration polishing, magnetic polishing, pickling, or other surface treatment.
Perform hydraulic-pressure and airtightness testing according to the applicable inspection requirements.
Check product markings, quantities, packaging materials, labels, and shipping marks before shipment.
Our manufacturing facility is equipped with five automatic pipe-welding production lines, two laser-cutting machines, five vibration-polishing machines, two magnetic-polishing machines, five airtightness and hydraulic-testing units, three forming machines, three grooving machines, two drilling machines, ten CNC lathes, and six end-processing machines.
Additional equipment includes two vertical hydroforming machines, two frame-type hydroforming machines, ten pipe-bending machines, eight automatic argon-arc welding machines, four hydraulic drawing machines, four high-speed hydraulic punching machines, two laser-marking machines, two packaging units, and other related manufacturing and inspection equipment.
These production capabilities support stainless steel pipe preparation, mechanical forming, welding, heat treatment, surface finishing, pressure testing, product marking, inspection, and export packaging.
Each stainless steel press cap is protected with a plastic bag to reduce exposure to moisture, dust, and surface contamination. The products are then packed in reinforced export cartons and consolidated in wooden cases when required.
This multilayer export packaging helps protect the press caps against impact, scratches, contamination, and handling damage during storage and long-distance international transportation.
Customized cartons, customer logos, labels, barcodes, pallet packing, and other packaging arrangements can be provided according to confirmed order requirements.
Available Trade Terms: EXW, FOB, CFR, CIF, DDP, and DDU
Products can be delivered by sea freight, air freight, land transportation, or international express service.
Delivery Time: Regular-size products available from stock can normally be delivered within 3–7 days. Orders requiring new production normally take approximately 25 days.
The actual delivery schedule depends on product specifications, material availability, order quantity, inspection requirements, customized packaging, and the current factory production plan.
Minimum Order Quantity: Normally 5–10 pieces, depending on the product size and current inventory.
We maintain inventory for many standard products and commonly requested sizes. Selected products may have up to 5,000 pieces available, supporting flexible purchasing and short delivery times. Actual stock quantities should be confirmed when requesting a quotation.
Payment Terms: A 30% T/T deposit is required in advance, with the remaining 70% T/T balance paid before delivery. Specific payment conditions can be discussed according to the order.
Available payment methods include T/T, Western Union, PayPal, and other mutually agreed methods.
Free Samples: Samples may be provided free of charge for dimensional verification and quality evaluation. International express delivery charges are normally paid by the recipient.
Quotation Time: Normally within three working hours after receiving complete product specifications and quantity requirements.
Quotation Validity: Normally 3–7 days, subject to stainless steel raw-material prices, exchange rates, and current market conditions.
The stainless steel press cap provides a practical combination of corrosion resistance, installation efficiency, sealing reliability, and long-term durability.
Key product advantages include:
High mechanical strength and structural stability
Excellent corrosion and oxidation resistance
Long operating service life
Secure termination of pipeline ends
Good vibration and seismic performance
Reliable press-fit connection
Environmentally responsible stainless steel construction
Fast and convenient installation
Suitable for concealed installation where permitted
Reduced installation and maintenance costs
Good resistance to wear and deformation
Hygienic construction for suitable drinking-water systems
Dependable sealing performance with reduced leakage risk
The S-type press connection uses a shaped socket and matching sealing ring. During installation, the prepared pipe is inserted into the fitting socket and compressed using an appropriate pressing tool. This process mechanically deforms the connection area and compresses the sealing ring to create a stable, permanent joint.
Correct pipe cutting, deburring, cleaning, insertion depth, gasket selection, pressing-jaw specification, and tool calibration are essential for obtaining reliable sealing performance.
LIANHE applies quality-control procedures throughout raw-material inspection, pipe cutting, mechanical forming, welding, heat treatment, surface finishing, pressure testing, marking, and packaging.
Available Certificates:
GB/T 19001-2016
ISO 9001:2015
CE documentation for applicable products
Sanitary License
The actual certificate scope and availability should be confirmed according to the selected product, material, intended application, and destination market.
The LIANHE Stainless Steel Press Cap S Type can be used to close reserved branches, unused pipe ends, inspection points, temporary pipeline sections, and permanent pipeline terminations.
Applicable Media:
Drinking water
Cold water and hot water
Wastewater
Industrial water
Oil and compatible liquid media
Gas and compatible gaseous media
Typical Application Areas:
Engineering and infrastructure projects
Ships and marine piping installations
Commercial buildings
Residential buildings
Hospitals and medical facilities
Hotels and public buildings
Environmental protection equipment
Water-treatment systems
Heating systems
Air-conditioning installations
Industrial processing facilities
The press caps can be used in water supply systems, direct drinking-water pipelines, gas distribution systems, wastewater systems, environmental protection pipelines, steam systems, heating networks, air-conditioning systems, and industrial water pipelines.
Before ordering, customers should confirm the compatibility of the stainless steel material and sealing ring with the transported medium, operating pressure, working temperature, and installation environment.
Our standard product quality warranty period is one year. If a manufacturing-related quality problem is confirmed during the warranty period, our team will investigate the cause and provide an appropriate technical or after-sales solution.
Customers should provide the product model, order number, installation conditions, operating pressure, working temperature, transported medium, and relevant photos or videos to assist with technical evaluation.
Extensive knowledge of international markets and the ability to support different technical requirements.
Direct manufacturing from our own factory in Wenzhou, Zhejiang, China.
An experienced technical and production team focused on maintaining consistent product quality.
Effective manufacturing and cost-control systems designed to provide competitive factory pricing.
Extensive experience in the production, quality management, and international sales of stainless steel press fittings.
OEM and ODM services are available. Products can be manufactured according to customer drawings, samples, material requirements, product markings, packaging designs, and inspection specifications.
Manufacturer: LIANHE
Place of Origin: Wenzhou, Zhejiang, China
The S-type press fitting adopts a compression connection method,which connects the pipeline with a special sealing ring and a socket fitting.The pipe mouth is tightly sealed and fastened with a special tool.This connection method is simple and efficient and has good sealing performance.
Yes.We are willing to offer you with samples so that you can better understand our products.
Our MOQ is 10pcs.We have a available stock for 5000pcs each size.
The quote valid is 3-7 days,the specific valid depends on the market detail at that time.
The discount is based on the purchase quantity and there is no absolute discount value.
Our warranty period is 12 months.
No,This connection method is very safe and reliable,there will never be any leakage.
Yes,press fittings meet international drinking water standards.
Leading stainless steel valve fittings manufacturer, providing competitive prices,excellent quality,timely delivery and excellent after-sales service