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High-Quality CE Certified Stainless Steel So Flange 150lb
Chemical Transfer Units

High-Quality CE Certified Stainless Steel So Flan | RFQ Sourcing Details

Chemical Transfer Units · Quote on request

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Product specs

CategoryChemical Transfer Units
Unitset
TypeWelding Flange
OriginWenzhou
MaterialStainless Steel
Model NoSo Flange
StandardANSI, DIN, GB, JIS, GOST
diameterflanges-1: The European
CategoryChemical Transfer Units
AvailabilityInquiry required
Updated2026-05-31

Buyer's Digest

Use this page as a product-first sourcing checkpoint before sending an RFQ. Category: Chemical Transfer Units. Confirm application fit, capacity, materials, destination, lead time and compliance requirements before comparing suppliers.

Original product description

A Stainless Steel Slip-On Flange (SO Flange), also known as a Slip-On Neck Flange, is a widely used pipe connecting component. It is designed to be slipped over the end of a pipe and then welded both inside and outside to provide sufficient strength and prevent leakage.

Its combination of ease of installation and cost-effectiveness makes it a popular choice for a wide range of medium and low-pressure applications. Key Features & Overview The defining feature of the SO flange is its low hub or neck that the pipe slides into.

The primary welding involves two fillet welds: one on the hub's outside and one on the inside, making the connection robust.

Main Characteristics: Ease of Alignment: The bolt holes are full circles, making it significantly easier to align with the bolt holes of a matching flange during assembly compared to other types like lap joint flanges.

Cost-Effective:Generally less expensive to manufacture and purchase than comparable Welding Neck (WN) flanges. Requires Welding:Involves more welding than a socket weld flange but is structurally stronger for its class.

Pressure Limitations: Due to its design and the nature of the connection, it is best suited for low-pressure and non-cyclic services. Its fatigue strength is lower than that of a welding neck flange.

Technical Specifications & Standards SO flanges are manufactured to adhere to international standards to ensure compatibility and safety. Common Standards: ASME/ANSI B16.5: The most common standard for pipe flanges and flanged fittings in North America and internationally for sizes NPS ½" to 24".

ASME/ANSI B16.47: Covers larger diameter flanges (NPS 26" to 60"). EN 1092-1: The European standard common in the UK and EU. MSS SP-44:Standard practice for steel pipeline flanges. AWWA C207: Standard for steel pipe flanges for waterworks services.

Pressure Classes: Common ASME pressure classes are Class 150, Class 300, Class 600, etc. Common PN (Pressure Nominal) ratings per EN standards are PN6, PN10, PN16,PN25, PN40. The dimensions (thickness, bolt hole size, and number of bolts) change with each pressure class.

Facing Types: The most common facing is the Raised Face (RF). Other types include Flat Face (FF), Ring-Type Joint (RTJ), Tongue and Groove (T&G), and Male and Female (M&F). Material & Properties The stainless steel material grants the

High-Quality | Applications and Buyer Notes

High-Quality is organized as a sourcing-ready Chemical Transfer Units reference. The page combines visible product or company data with structured procurement cues so buyers can compare application fit, specifications, quantity, quality requirements and lead-t

Applications

  • Initial shortlist building for related product or supplier options.
  • Specification and application fit review before bulk purchasing.
  • Category, keyword and detail-page comparison before sending an RFQ.

Key specifications

Category
Chemical Transfer UnitsBased on visible page data; confirm exact value in the RFQ.
Unit
setBased on visible page data; confirm exact value in the RFQ.
Type
Welding FlangeBased on visible page data; confirm exact value in the RFQ.
Origin
WenzhouBased on visible page data; confirm exact value in the RFQ.
Material
Stainless SteelBased on visible page data; confirm exact value in the RFQ.
Model No
So FlangeBased on visible page data; confirm exact value in the RFQ.
Standard
ANSI, DIN, GB, JIS, GOSTBased on visible page data; confirm exact value in the RFQ.
diameter
flanges-1: The EuropeanBased on visible page data; confirm exact value in the RFQ.

Buyer tips

  • State quantity range and split-delivery needs before price comparison.
  • Add certification, material or inspection standards when they affect acceptance.
  • For time-sensitive projects, include target arrival date and destination.
  • For special applications, describe operating condition, installation environment and duty cycle.

FAQ

What should buyers confirm first?

Confirm application, specification, quantity, destination and lead-time requirements before comparing offers.

Can buyers inquire when specs are incomplete?

Yes. Add model, material, size, use case and inspection needs in the RFQ to make replies comparable.

How should this listing be evaluated?

Check title, category, specifications and related keywords against the actual sourcing requirement.

Source mix: ugc

Key specifications

CategoryChemical Transfer Units
Unitset
TypeWelding Flange
OriginWenzhou
MaterialStainless Steel
Model NoSo Flange
StandardANSI, DIN, GB, JIS, GOST
diameterflanges-1: The European
Model NO.SO Flange
StructureRound
TrademarkSafetySS
ConnectionFlanged
Flange TypesPl,So,Wn,Sw,Th,Pj/Se,Bl
Delivery DateWithin 30 Days
SpecificationDN15-DN4000
Sealing SurfaceRF
Manufacturing WayForging
Transport PackagePP Bag & Plywood Cases
Specification/SizeDN15-DN4000

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