Weld Neck Blind Carbon Steel RF Pipe Flange

Model NO.: Weld Neck
Manufacturing Way: Forging
Application: for Seal or Connect of Pipe/Tub-E Lines
Trademark: Lockheed
Transport Package: Pallets
Specification: DIN/ANSI
Origin: China
HS Code: 7307210000
Model NO.: Weld Neck
Manufacturing Way: Forging
Application: for Seal or Connect of Pipe/Tub-E Lines
Trademark: Lockheed
Transport Package: Pallets
Specification: DIN/ANSI
Origin: China
HS Code: 7307210000
Types' Specification
Welding neck
1, Preferred for high-pressure, subzero or elevated temperature
2, Hub is tapered and bored to match pipe's inside diameter so flow is not restricted, preventing turbulence and reducing erosion
3, Easily radiographed and provides excellent stress distribution
Slip-on
1, Not normally used in high-stress applications due to low hub and weld attachment
2, Silps over outside of pipe
3, Inside of flange welded at hub and end of pipe
Lap joint
1, Used where bolt alignment or access for cleaning is required
2, Similar to slip-on flange when used with lap joint stub end
3, Radius at intersection of flange face and bore to match lap joint stub end
Threaded
1, Used where welding would would be hazardous
2, Designed for low-pressure and non-cyclic applications
3, Bore is threaded to match pipe thread
4, Tapered to seal pipe and flanges
Socket welding
1, For small-diameter chemical processes, hydraulic and stream distribution lines
2, Similar to slip-on flange
3, Counter bore matches pipe bore, allowing unrestricted flow
4, Counter bore from hub side fits pipe's outer diameter - can insert pipe in socket with fillet weld at hub
Blind
1, Used to close ends of piping
2, Has no bore
3, Permits access to sealed lines
Other flanges
Orifice, Expander, Reducing, Lightweight, Studding Outlets, Long Weld Necks, Metric, Navy Drawings, Customer Drawings
Any Requests you can contact us for catalogues. Thanks.


Ningbo HAGA Metal Products Co,. Ltd

Full Name
Flanges

Material
Stainless Steel 304, 304L, 316, 316L, Carbon Steel

Standard:
ANSI,BS,DIN, EN1092-1, JIS

ANSI Flanges
 

Dimension:
ANSI B16.5, B14.47, B16.36, B16.48

Material Spec.:
ASTM A182, A351, DIN, ASTM A105, A216 WCB

Material Grades:
F305, F304L, F316, F316L, CF8, CF8M, CF3M

 
DIN1.4301, DIN1.4306, DIN1.4401, DIN1.4404

 
DIN1.4308, DIN1.4408, DIN1.4306, DIN1.4409

 
DIN1.0402, DIN1.0460, DIN1.0619

Class:
150, 300, 400, 600, 900, 1500, 2500

Flange Type:
Weld Neck, Threaded, Slip-on, Lap Joint, Socket Weld, Blind

BS Flanges
 

Dimension:
BS4504

PN:
2.4, 6, 10, 16, 25, 40

Flange Type:
Weld Neck, Threaded, Slip-on, Lap Joint, Socket Weld, Blind

DIN Flanges
 

Description:
1) Blind Flange

 
DIN2527, Rate Pressure: 6 - 100 bar

 
2) Flat Flange for welding (Slip on)

 
6Bar DIN2573, 10Bar DIN2576, 16Bar DIN2502, 25/40Bar DIN2503

 
3) Welding Neck Flange

 
1/2.5Bar DIN2630, 6Bar DIN2631, 10Bar DIN2632, 16Bar DIN2633,

 
25Bar DIN2634, 40Bar DIN2635, 64Bar DIN2636, 100Bar DIN2637,

 
160Bar DIN2638, 250Bar DIN2628, 320Bar DIN2629, 400Bar DIN2627

 
4)Lapped (lapped joint) flange, Plain collar

 
6Bar DIN2641, 10Bar DIN2642,

 
5)Loose flange and ring for welding (slip-on flange and plain collar)

 
6Bar DIN2652, 10Bar DIN2653, 25Bar DIN2655, 40Bar DIN2656,

 
6)Loose flange and ring with neck for welding

 
10Bar DIN2673

 
7)Oval plain threaded flange

 
6Bar DIN2558

 
8)Oval plain, with neck threaded

 
10/16 Bar DIN2561

 
9)Thread flange with neck

 
6Bar DIN2565, 10/16 DIN2566, 25/40Bar DIN2567,

 
64Bar DIN2568, 100Bar DIN2569

 
10)Long neck welding flange

 
10/25Bar DIN28115

 
11)Hubbed slip-on flange for welding

 
10Bar DIN86029, 16Bar DIN86030

EN1092-1 Flanges
 

Description:
1) Plate (Slip on) flange for welding

 
6/10/16 /25/40/63/100 Bar

 
2)Loose plate flanges with weld-on plate collar

 
6/10/16 /25/40/63 Bar

 
3)Loose plate flanges with weld-neck collar

 
6/10/16 /25/40/63 Bar

 
4) Blamk (Blind) Flange

 
6/10/16 /25/40/63/100 Bar

 
5) Welding Neck Flange

 
6/10/16 /25/40/63/100 Bar

 
6)Hubbed slip-on flange for welding

 
6/10/16 /25/40/63/100 Bar

 
7)Hubbed threaded flanges

 
16/40/63/100 Bar

 
8)Integral Flanges

 
6/10/16 /25/40/63/100 Bar

 
9)Weld-on plate collars

 
6/10/16 /25/40 Bar

 
10)Lapped pipe ends

 
6/10/16 /25/40 Bar

 
11)Weld-Neck Collars

 
6/10/16 /25/40 Bar

JIS Flanges
 

Description:
2/5/10 /16/20/30/40/63 kg/c m2
Weld Neck Blind Carbon Steel RF Pipe FlangeWeld Neck Blind Carbon Steel RF Pipe Flange Types' Specification
Welding neck
1, Preferred for high-pressure, subzero or elevated temperature
2, Hub is tapered and bored to match pipe's inside diameter so flow is not restricted, preventing turbulence and reducing erosion
3, Easily radiographed and provides excellent stress distribution
Slip-on
1, Not normally used in high-stress applications due to low hub and weld attachment
2, Silps over outside of pipe
3, Inside of flange welded at hub and end of pipe
Lap joint
1, Used where bolt alignment or access for cleaning is required
2, Similar to slip-on flange when used with lap joint stub end
3, Radius at intersection of flange face and bore to match lap joint stub end
Threaded
1, Used where welding would would be hazardous
2, Designed for low-pressure and non-cyclic applications
3, Bore is threaded to match pipe thread
4, Tapered to seal pipe and flanges
Socket welding
1, For small-diameter chemical processes, hydraulic and stream distribution lines
2, Similar to slip-on flange
3, Counter bore matches pipe bore, allowing unrestricted flow
4, Counter bore from hub side fits pipe's outer diameter - can insert pipe in socket with fillet weld at hub
Blind
1, Used to close ends of piping
2, Has no bore
3, Permits access to sealed lines
Other flanges
Orifice, Expander, Reducing, Lightweight, Studding Outlets, Long Weld Necks, Metric, Navy Drawings, Customer Drawings
Any Requests you can contact us for catalogues. Thanks.


Ningbo HAGA Metal Products Co,. Ltd

Full Name
Flanges

Material
Stainless Steel 304, 304L, 316, 316L, Carbon Steel

Standard:
ANSI,BS,DIN, EN1092-1, JIS

ANSI Flanges
 

Dimension:
ANSI B16.5, B14.47, B16.36, B16.48

Material Spec.:
ASTM A182, A351, DIN, ASTM A105, A216 WCB

Material Grades:
F305, F304L, F316, F316L, CF8, CF8M, CF3M

 
DIN1.4301, DIN1.4306, DIN1.4401, DIN1.4404

 
DIN1.4308, DIN1.4408, DIN1.4306, DIN1.4409

 
DIN1.0402, DIN1.0460, DIN1.0619

Class:
150, 300, 400, 600, 900, 1500, 2500

Flange Type:
Weld Neck, Threaded, Slip-on, Lap Joint, Socket Weld, Blind

BS Flanges
 

Dimension:
BS4504

PN:
2.4, 6, 10, 16, 25, 40

Flange Type:
Weld Neck, Threaded, Slip-on, Lap Joint, Socket Weld, Blind

DIN Flanges
 

Description:
1) Blind Flange

 
DIN2527, Rate Pressure: 6 - 100 bar

 
2) Flat Flange for welding (Slip on)

 
6Bar DIN2573, 10Bar DIN2576, 16Bar DIN2502, 25/40Bar DIN2503

 
3) Welding Neck Flange

 
1/2.5Bar DIN2630, 6Bar DIN2631, 10Bar DIN2632, 16Bar DIN2633,

 
25Bar DIN2634, 40Bar DIN2635, 64Bar DIN2636, 100Bar DIN2637,

 
160Bar DIN2638, 250Bar DIN2628, 320Bar DIN2629, 400Bar DIN2627

 
4)Lapped (lapped joint) flange, Plain collar

 
6Bar DIN2641, 10Bar DIN2642,

 
5)Loose flange and ring for welding (slip-on flange and plain collar)

 
6Bar DIN2652, 10Bar DIN2653, 25Bar DIN2655, 40Bar DIN2656,

 
6)Loose flange and ring with neck for welding

 
10Bar DIN2673

 
7)Oval plain threaded flange

 
6Bar DIN2558

 
8)Oval plain, with neck threaded

 
10/16 Bar DIN2561

 
9)Thread flange with neck

 
6Bar DIN2565, 10/16 DIN2566, 25/40Bar DIN2567,

 
64Bar DIN2568, 100Bar DIN2569

 
10)Long neck welding flange

 
10/25Bar DIN28115

 
11)Hubbed slip-on flange for welding

 
10Bar DIN86029, 16Bar DIN86030

EN1092-1 Flanges
 

Description:
1) Plate (Slip on) flange for welding

 
6/10/16 /25/40/63/100 Bar

 
2)Loose plate flanges with weld-on plate collar

 
6/10/16 /25/40/63 Bar

 
3)Loose plate flanges with weld-neck collar

 
6/10/16 /25/40/63 Bar

 
4) Blamk (Blind) Flange

 
6/10/16 /25/40/63/100 Bar

 
5) Welding Neck Flange

 
6/10/16 /25/40/63/100 Bar

 
6)Hubbed slip-on flange for welding

 
6/10/16 /25/40/63/100 Bar

 
7)Hubbed threaded flanges

 
16/40/63/100 Bar

 
8)Integral Flanges

 
6/10/16 /25/40/63/100 Bar

 
9)Weld-on plate collars

 
6/10/16 /25/40 Bar

 
10)Lapped pipe ends

 
6/10/16 /25/40 Bar

 
11)Weld-Neck Collars

 
6/10/16 /25/40 Bar

JIS Flanges
 

Description:
2/5/10 /16/20/30/40/63 kg/c m2
Weld Neck Blind Carbon Steel RF Pipe FlangeWeld Neck Blind Carbon Steel RF Pipe Flange

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