BS4504 Code III 304 DN10 to DN4000 Pn2.5 to Pn40 Stainless Steel Weld Neck Flange

• Type: Welding Flange
• Material: Stainless Steel
• Structure: Round
• Connection: Welding
• Sealing Surface: RF
• Manufacturing Way: Forging
• Quality Control: Chemical,Mechanical and Dimension
• Mill′s Test Certificate: En10204 3.1 or 3.2 on Request
• Transport Package: Wooden Case
• Specification: DN10 to DN4000
• Trademark: KM/OEM
• Origin: China
• Production Capacity: 10000PCS/Year

Product Description

BS4504 Code III 304 DN10 to DN4000 PN2.5 to PN40 Stainless Steel Weld Neck Flange

Normal Pressures:
PN2.5 PN6 PN10 PN16 PN25 PN40
Normal Dimensions:
DN10-DN4000
Face of types:
A B C D E F G H
A flat face B raised face C tongue D groove E spigot  F recess
G O-ring recess H O-ring groove
,Materials:
A105 normalized A182 F304/L F316/L A387 normalized and tempered BS3692 BS4190 BS4882

Code no.	Description
101	Plate flange for welding
102	Loose plate flange with weld-on plate collar or for lapped pipe end
104	Loose plate flange with weld-neck collar
105	Blank flange
111	Weld-neck flange
112	Hubbed slip-on flange for welding
113	Hubbed threaded flange
121	lntegral flange
132	Weld-on plate collar
133	Lapped pipe end
134	Weld-neck collar

Marking:

a)Number of this British Standard, i.e.BS 4504*.

(b)Flange code number,e.g.112.

(c)Nominal pressure (PN),e.g.PN 40.

(d)Nominal size{DN),e.g.DN150.

(e) Material designation. The material group or identification symbols given in tables 3,4 and 5 shall be used, as appropriate..

(f)Manufacturer's name or trade mark.

(g)Cast number or melt identification or suitable quality control number traceable to the cast number.

(h)Thread identification (see 12.2).

Example: BS 4504/111-PN16- DN 400- A2-xxx-12345

Company Profile
From 1989 to now, Kingmetal Steel focus on manufacturing and distributing pipeline products including piping, fitting, flange, valve and fastener in stainless, carbon, alloy and duplex steel.
Kingmetal has a factory to manufacture seamless stainless steel pipe from DN6 to DN600 and distribute seamless steel pipe and fitting from top brand manufacturers such as Baosteel, Hengsteel, Tiansteel and Pansteel etc.
All of products are strictly compliance with standard, 100% inspection passed including visual, dimension and PMI test before shipment.
Both our sales and logistic teams are over 10 years of experiences and training frequently.
After- sales service with high efficiency, if any products are short quantity/weight or damaged caused by manufacturing, design or transportation can be compensated.
Why choose us?
One-Stop Solution
We have thousands of total production experience, from raw materials to finished products.
Competitive Price
Large scale purchase, standardized production process and efficient management make our price competitive.
Quick Shipping
Years of export experience enable us to control the transportation time more accurately.
Quality Control
The standardized production process, comprehensive management system, professional testing equipment
Special material customization
We support the customization of various complex materials
OEM/ODM
We support any form of OEM/ODM customization requirements.