WELDING NECK DIN2633

Materials:

Carbon steel：A105       BS EN 545, ISO 2531, ISO 8329, ISO 9523

Low temperature carbon steel  ：A350 LF2 and LF3 

High yield carbon steel： A694 F42 F52 F65 F70 X80 

Low alloy steel： A182 F5 / 9 / 11 / 22 / 91

Stainless steel： A182 F304/304L, 316/316L, 310, 317, 321, 347, 410, 904, H Grades 

Nickel Alloys

Nickel 200/201 - B564- UNS N02200/N02201

Alloy 400 - B564 - UNS N04400 - Monel® 400

Alloy 600 - B564- UNS N06600 - Inconel® 600

Alloy 625 - B564 - UNS N06625 - Inconel® 625

Alloy 800H/800HT - B564 - UNS N08810/N08811 - Incoloy® 800H/HT

Alloy 825 - B564 - UNS N08825 - Incoloy® 825

Alloy 276 - B564 - UNS N10276 - Hastelloy® C-276

Titanium Alloys

B381 Gr 1 / 2 / 5 / 7

Standards: ASME B.16.5          ASME B.16.47 (A/B Series)              ASME B.16.36

2. Size: 1/2''---48''

3. Standard:JIS , DIN , ANSI, EN , GOST 

4. Certification: ISO9001, SGS, CTI, ROHS

5.Origin: METALFAR-ITALY / ULMA-SPAIN / MGI-FRANCE / MELESI-ITALY / PFF-SAUDI ARABIA

6:FLANGES

Dimensions
• ASME B16.5  • ANSI B16.47  • MSS SP44  • JIS B2220 • AWWA  • ASME B16.35  • API 590 / ANSI B16.48 
• According Special Drawings
Specification  :Pressure Class: 150# to 2500#
Size Range: ½" to 60" (DN 15 to 1.500 mm)
Face: -Flat Face  -Raised Face  -Ring type joint (RTJ)
Finish: - Smooth - Grooved   - 125-250 μin   - Over than > 250 μin.

Finish type:  - Concentric Serrated - Spiral Serrated

Carbon Steel: ASTM A105 ASTM A350 LF2 ASTM A694 F42 – F52 – F60 – F65 – F70 
Alloy Steel:ASTM A182 F1 – F11 – F12 – F22 – F5 – F9 – F91
Stainless Steel:ASTM A182 F304/304L/304H - F321 / 321H - F347/347H - F316/316L/316H
Special Alloy: ASTM A182 F51 – F55
Inconel, Incoloy, Monel, Hastelloy, Titanium

Forged Blind Flanges

Materials: ASTM A105   A350   A694   A182 
Manufacturing standards: ANSI/ASME B16.5, ASME B16.47, JIS B2220
Pressure: ANSI class 150 to 2,500
Size range: 1/2 to 60 inches (DN15 to DN1,500mm)
Face: Flat Face, Raised Face, Ring type joint (RTJ)
Finish: Smooth, Grooved 125-250 μin, > 250 μin.
Finish type: Concentric Serrated, Stock finish, Spiral Serrated.

Forged Slip on Flange
Materials: ASTM A105  A350   A694   A182 
Manufacturing standards: ANSI/ASME B16.5, ASME B16.47, JIS B2220
Pressure: ANSI class 150 to 2,500
Size range: 1/2 to 60 inches (DN15 to DN1,500mm)
Face: Flat Face, Raised Face, Ring type joint (RTJ)
Finish: Smooth, Grooved 125-250 μin, > 250 μin.
Finish type: Concentric Serrated, Stock finish, Spiral Serrated.

Forged Welding Neck and Long Welding Neck Flange
Materials:ASTM A105  A350   A694   A182 
Manufacturing standards: ANSI/ASME B16.5, ASME B16.47, JIS B2220
Pressure: ANSI class 150 to 2,500
Size range: 1/2 to 60 inches (DN15 to DN1,500mm)
Face: Flat Face, Raised Face, Ring type joint (RTJ)
Finish: Smooth, Grooved 125-250 μin, > 250 μin.
Finish type: Concentric Serrated, Stock finish, Spiral Serrated. 

Forged Socket Welding Flange

ASTM A105  A350   A694   A182 
Manufacturing standards: ANSI/ASME B16.5, ASME B16.47, JIS B2220
Pressure: ANSI class 150 to 2,500
Size range: 1/2 to 60 inches (DN15 to DN1,500mm)
Face: Flat Face, Raised Face, Ring type joint (RTJ)
Finish: Smooth, Grooved 125-250 μin, > 250 μin.
Finish type: Concentric Serrated, Stock finish, Spiral Serrated

Spacers and Spectacle Flange

Threaded Flange

Lap Joint Flange

Orifice Flange

Dimensions
• ASME B16.5  • ANSI B16.47  • MSS SP44  • JIS B2220 • AWWA  • ASME B16.35  • API 590 / ANSI B16.48 
• According Special Drawings

Specification  Pressure Class: 150# to 2500#
Size Range: ½" to 60" (DN 15 to 1.500 mm)
Face:  -Flat Face  -Raised Face  -Ring type joint (RTJ)
Finish: - Smooth   - Grooved   - 125-250 μin   - Over than > 250 μin.
Finish type:   - Concentric Serrated  - Spiral Serrated
Carbon Steel  ASTM A105   ASTM A350 LF2   ASTM A694 F42 – F52 – F60 – F65 – F70
Alloy Steel  ASTM A182 F1 – F11 – F12 – F22 – F5 – F9 – F91
Stainless Steel :ASTM A182 F304/304L/304H - F321 / 321H - F347/347H - F316/316L/316H 
Special Alloy: ASTM A182 F51 – F55
Inconel, Incoloy, Monel, Hastelloy, Titanium