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Stainless Steel Fitting
Stainless Steel Press Cap S Type For Pipe Connections
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Stainless Steel Press Cap S Type For Pipe Connections

Brand: LIANHE;
Size Range: 1/4”~4" (DN10~DN100); 
Thickness:0.6~2MM; 
Material: 0Cr18Ni9 SS304 S30408 SUS304 1.4301,,0Cr17Ni12Mo2 SS316 S31603 SUS316 1.4404,SS304L S30403 1.4306 ,SS316L S31603 1.4404.; 
Nominal pressure: PN16
Availability:
Quantity:
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Description of Stainless Steel Press Cap S Type

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.

Technical Specifications

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

Factory Inspection Reports

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.

Product Testing

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.

Eight-Step Product Quality Control

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.

  1. Inspect the outside diameter, wall thickness, material grade, and surface condition of incoming raw materials.

  2. Check the length, cutting position, and end condition of raw materials after cutting.

  3. Inspect the socket dimensions, outside diameter, and wall thickness after machining and mechanical forming.

  4. Check weld dimensions, weld appearance, and surface quality after welding and forming, where applicable.

  5. Inspect the product surface, dimensions, and socket structure after heat treatment.

  6. Verify the surface after vibration polishing, magnetic polishing, pickling, or other surface treatment.

  7. Perform hydraulic-pressure and airtightness testing according to the applicable inspection requirements.

  8. Check product markings, quantities, packaging materials, labels, and shipping marks before shipment.

Production Equipment

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.

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.

Shipping and Delivery

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.

Commercial Terms

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.

Product Advantages

The stainless steel press cap provides a practical combination of corrosion resistance, installation efficiency, sealing reliability, and long-term durability.

Key product advantages include:

  1. High mechanical strength and structural stability

  2. Excellent corrosion and oxidation resistance

  3. Long operating service life

  4. Secure termination of pipeline ends

  5. Good vibration and seismic performance

  6. Reliable press-fit connection

  7. Environmentally responsible stainless steel construction

  8. Fast and convenient installation

  9. Suitable for concealed installation where permitted

  10. Reduced installation and maintenance costs

  11. Good resistance to wear and deformation

  12. Hygienic construction for suitable drinking-water systems

  13. 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.

Quality Assurance and Certificates

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.

Applications and Supported Media

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.

After-Sales Service

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.

Our Services

  1. Extensive knowledge of international markets and the ability to support different technical requirements.

  2. Direct manufacturing from our own factory in Wenzhou, Zhejiang, China.

  3. An experienced technical and production team focused on maintaining consistent product quality.

  4. Effective manufacturing and cost-control systems designed to provide competitive factory pricing.

  5. 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

Frequently Asked Questions

1. What are the characteristics of the connection method for S-type press fittings?

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.

2. Can you provide us some samples before formal purchase?

Yes.We are willing to offer you with samples so that you can better understand our products.

3. What is your minimum order quantity? Do you have stock?

Our MOQ is 10pcs.We have a available stock for 5000pcs each size.

4. How long is the quote valid?

The quote valid is 3-7 days,the specific valid depends on the market detail at that time.

5. How much quantity can I purchase to get a discount?

The discount is based on the purchase quantity and there is no absolute discount value.

6. How long is your warranty period?

Our warranty period is 12 months.

7. Will the press fittings leak after being linked?

No,This connection method is very safe and reliable,there will never be any leakage.

8. Whether the press fittings meet international drinking water standards?

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

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 +8618621531073 
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 +86-577-86801027 
 Building 2, No.3991, Binhai 3 Road, Wenzhou Economic Technological Development
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