SOCKET WELD FLANGE, ASME/ ANSI B16.5 SOCKET WELDING FLANGE MANUFACTURER IN INDIA, SOCKET WELDING FLANGE AVAILABLE IN CARBON, ALLOY, STAINLESS STEEL, MANUFACTURING SOCKET WELD FLANGE IN ALL SIZE

Manufacturers, dealer, distributor, stockist & suppliers of ANSI B16.5 Socket welding flange

Socket welding flange manufacturing & drilling in Our Mumbai Plant

ANSI B16.5 FLANGE, Welding Neck Flange RF, CLASS 150, CLASS 300, CLASS 600, CLASS 900, CLASS1500, CLASS 2500 flange, flange, flange competitive prices, flange exporter, flange make, flange manufacturer, flange sales, forged flange, pipe flange, steel flange

is highly acclaimed manufacturer of pipe fittings & flange. Gautam Exports, produces the flange which meet all international quality standards such as DIN, EN1092-1, BS4504, ANSI, API, MSS, AWWA, UNI, JIS, SANS, GOST, NFE, ISO, AS, NS etc. We are manufacturing 75lbs, 150lbs, 300lbs, 600lbs, 900lbs, 1500lbs, 2500lbs, PN6, PN10, PN16, PN25, PN40, PN63, PN64, PN100, GOST 12820 and GOST 12821, PN0.6MPA, PN1.0MPA, PN1.6MPA, PN2.5MPA, PN4.0MPA, SANS1123 or SABS1123, 600kpa, 1000kpa, 1600kpa, 2500kpa, 4000kpa flange ratings as per application or client’s requirement. The ANSI B16.5 Socket welding flange ratings are very important for flange application, correct flange rating will keep the application safe.

specializes in manufacturing high pressure, large diameter, high yield, and specialty flange. ANSI B16.5 Socket welding flange are manufactured using superior grade of steel like Carbon Steel, Alloy Steel, Stainless Steel 201/202, 304/304L, 310S, 316/316L, 317L, 321/321H, 347/347H, 904L. These flange are most durable and manufactures to fit in different size of Pipes. The majority of our flange are manufactured from forged steel with a limited amount machined from bar stock. The forged construction provides higher strength and durability to provide long lasting performance in the application.

Gautam Exports offers competitive pricing and added convenience on flange accessories like flange packs, gaskets, flange connector, and flange bolts, and many other flange accessories which are designed to meet or exceed SAE J518 and ISO 6162.

Do you need your ANSI B16.5 Socket welding flange or other pipe flange shipped to you internationally? Not only do we ship all of our fittings & flange globally, we will consolidate the order for you and ship it to the closest port near you. We have gained several Orders of ANSI B16.5 Socket welding flange from countries like US, Canada, Chile, Brazil, UK, Italy, Belgium, France, Portugal, South Africa, Nigeria, United Arab Emirates (UAE), Bahrain, Saudi Arabia, Qatar, Kuwait, Jordan, Malaysia, Thailand, Singapore, Indonesia, Sudan, Kazakhstan, Australia, Israel, Kenya, Russia, Tunisia, Vietnam, Colombia, Sri Lanka, etc.

Should you like to send you next enquiry for stainless steel flange to , please  send us an email.

Price: US $0.2-10 / Piece

Size: 1/2″ (15 NB) to 48″ (1200NB)

Standards: ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings

Pressure Ratings: Class 150, Class 300, Class 400, Class 600, Class 900, Class1500, Class 2500 | PN6, PN10, PN16, PN25, PN40, PN64 etc.

Carbon Steel Socket Welding flange: ASTM A105/A105N, A350 LF1, LF2 CL1/CL2, LF3 CL1/CL2, A694 F42, F46, F48, F50, F52, F56, F60, F65, F70, A516.60, 65, 70 (Spectacle Blind Flange, Spacer Ring/Spade Flange), Steel RST37.2, C22.8

Stainless Steel Socket Welding flange: ASTM A182 F202, F304/304L/304H, F316/316L, F316H, F316TI, F310, F321, F904L

Alloy Steel Socket Welding flange: ASTM A182 F1, F5, F9, F11, F22, F91

Special Alloy Socket Welding flange: Duplex, Super Duplex, Nickel Alloys

Flange Face Type: Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)

Coating/Surface Treatment: Anti-rust Paint, Oil Black Paint, Yellow Transparent, Zinc Plated, Cold and Hot Dip Galvanized

Value Added Services: CNC Machining, Customised flange

Manufacturer Test Certificate as per EN 10204 / 3.1B, Raw Materials Certificate, 100% Radiography Test Report, Third Party Inspection Report as per client specification.

Gautam Exports offer its Products with Third Party Inspection also. The Inspection Agency can be nominated by clients or Gautam Exports can be arrange the TPI by World reputed Agencies like Bureau Veritas, DNV, LLOYDS, ICB and many other.

socket welding flange packing

emphasis on the packaging to ensure that there is no damage during transit the ANSI B16.5 Socket welding flange. The ANSI B16.5 Socket welding flange are packed in wooden corrugated boxes foiled in bubble wraps & are marked with Grade, Lot No, Size, Degree and Gautam Exports Brand Mark. You can also contact us for customized marking.

If you cannot locate a specific controlled or low expansion alloy, electrical/electronic nickel, soft magnetic alloy, refractory metal or alloy, or type of stencil grade stainless steel; or if you have an unusual requirement, for instance alloy, size or grade, and you don’t see it listed at this site, please contact us to buy the same.

If you have another special purpose, high-technology material that you can’t find anywhere then you have reached to the right place, we use our Material Locator service and find it for you. Or if your material requirement is too small to be of interest to the big producers, please contact Gautam Exports.

List of Hard to Find Materials:

API 6A Socket Weld FlangeANSI Socket Weld FlangeASME Socket Weld FlangeDIN Socket Weld FlangeEN1092-1 Socket Weld FlangeUNI Socket Weld FlangeJIS/KS Socket Weld FlangeBS4504 Socket Weld FlangeGB Socket Weld FlangeAWWA C207 Socket Weld FlangeGOST Socket Weld FlangePSI Socket Weld FlangeMild Steel Socket Weld FlangeCarbon Steel Socket Weld FlangeAlloy Steel Socket Weld FlangeStainless Steel Socket Weld FlangeDuplex Steel Socket Weld FlangeSuper Duplex Steel Socket Weld FlangeInconel Alloy Socket Weld FlangeMonel Socket Weld FlangeHastelloy Socket Weld FlangeCopper Nickel Socket Weld FlangeTitanium Socket Weld FlangeMaraging Steel Socket Weld FlangeVascomax Socket Weld FlangeOther Exotic Alloy Socket Weld FlangeMild Steel Socket Weld FlangeMS Socket Weld FlangeCarbon Steel Socket Weld FlangeA105N Socket Weld FlangeLF2 Socket Weld FlangeLF3 Socket Weld FlangeLF6 Socket Weld FlangeSS400 Socket Weld FlangeSF440 Socket Weld FlangeST37.2 Socket Weld FlangeS235JrG2 Socket Weld FlangeP250GH Socket Weld FlangeC22.8 Socket Weld FlangeAlloy Steel Socket Weld FlangeP1/F1 Socket Weld FlangeP5/F5 Socket Weld FlangeP9/F9 Socket Weld FlangeP11/F11 Socket Weld FlangeP12/F12 Socket Weld FlangeP22/F22 Socket Weld FlangeP91/F91 Socket Weld FlangeChrome Moly 4130 Socket Weld Flange4140 Socket Weld Flange4340 Socket Weld FlangeAlloy 20 Socket Weld FlangeCarpenter 20 Socket Weld FlangeStainless Steel Socket Weld Flange310S Socket Weld Flange304/L Socket Weld Flange316/L Socket Weld Flange317/L Socket Weld Flange321/H Socket Weld Flange347/H Socket Weld FlangeDuplex Steel Socket Weld FlangeDuplex 2205 Socket Weld FlangeDuplex 2304 Socket Weld FlangeSuper Duplex Steel Socket Weld FlangeSuper Duplex 2507 Socket Weld FlangeLean Duplex LDX 2101 Socket Weld FlangeInconel Socket Weld FlangeInconel 600 Socket Weld FlangeInconel 601 Socket Weld FlangeInconel 617 Socket Weld FlangeInconel 625 Socket Weld FlangeInconel 718 Socket Weld FlangeInconel X-750 Socket Weld FlangeIncoloy 800 Socket Weld FlangeIncoloy 800H Socket Weld FlangeIncoloy 800HT Socket Weld FlangeIncoloy 825 Socket Weld FlangeMonel Socket Weld FlangeMonel K400 Socket Weld FlangeMonel K500 Socket Weld FlangeMonel R405 Socket Weld FlangeHastelloy Socket Weld FlangeHastelloy B-2 Socket Weld FlangeHastelloy B-3 Socket Weld FlangeHastelloy C22 Socket Weld FlangeHastelloy C276 Socket Weld FlangeHastelloy X Socket Weld FlangeCopper Nickel Socket Weld FlangeCopper Nickel 70/30 Socket Weld FlangeCopper Nickel 90/10 Socket Weld FlangeTitanium Socket Weld FlangeTitanium CP4 – Grade 1 Socket Weld FlangeTitanium CP3 – Grade 2 Socket Weld FlangeTitanium CP2 – Grade 3 Socket Weld FlangeTitanium CP1 – Grade 4 Socket Weld FlangeTitanium Grade 5 Socket Weld FlangeTitanium Grade 6 Socket Weld FlangeTitanium Grade 7 Socket Weld FlangeTitanium Grade 9 Socket Weld FlangeTitanium Grade 11 Socket Weld FlangeTitanium Grade 12 Socket Weld FlangeTitanium Grade 19 Socket Weld FlangeTitanium Grade 23 Socket Weld FlangeTitanium Alhpa Alloys Socket Weld FlangeTitanium Beta Alloys Socket Weld FlangeMaraging Steel Socket Weld FlangeMaraging C250 Socket Weld FlangeMaraging C300 Socket Weld FlangeMaraging C350 Socket Weld FlangeVascomax Socket Weld FlangeVascomax C250 Socket Weld FlangeVascomax C300 Socket Weld FlangeVascomax C350 Socket Weld FlangeOther Exotic Alloys Socket Weld FlangeRene 41 Socket Weld FlangeMultimet N155 Socket Weld FlangeHaynes 25 Socket Weld FlangeWaspalloy Socket Weld FlangeMP35N Socket Weld FlangeMP159 Socket Weld FlangeCobalt Alloy 6B Socket Weld FlangeInvar 36 Socket Weld FlangeInvar 42 Socket Weld FlangeKovar Socket Weld FlangeAl6XN Socket Weld FlangeJethete M152 Socket Weld FlangeAlloy A286 Socket Weld FlangeAlloy 330 Socket Weld FlangeNickel 200 Socket Weld FlangeNickel 201 Socket Weld Flange

• 150LB Socket Welding
• 300LB Socket Welding
• 600LB Socket Welding
• 1500LB Socket Welding

150lb Socket Welding Flange-ASME/ANSI B16.5

ASME/ANSI B16.5/Standards, Dimensions & Weight

Pipe Normal Diam.		O.D. Flange	Thk. Of Flange Min	Diam. of Hub	Diameter of Raised Face	Length Hub.Y	Bore	Depth of Socket.D	Diam. of Bolt Circle	Diam. of Bolt Holes	Number of Bolts	Diam. of Bolts(inch)	KG	LB
inch	dn	O	C	X	G	Y	B	D	BC	BH	BN	BD
1/2″	15	89.00	11.20	30.20	35.10	15.70	22.40	9.70	60.50	15.80	4	1/2″	0.4	0.9
3/4″	20	98.50	12.70	38.10	42.90	15.70	27.70	11.20	69.90	15.80	4	1/2″	0.7	1.5
1″	25	108.00	14.20	49.30	50.80	17.50	34.50	12.70	79.30	15.80	4	1/2″	0.9	2
1-1/4″	32	117.50	15.70	58.70	63.50	20.60	43.20	14.20	88.90	15.80	4	1/2″	1.2	2.6
1-1/2″	40	127.00	17.50	65.00	73.20	22.40	49.50	15.80	98.60	15.80	4	1/2″	1.5	3.3
2″	50	152.50	19.10	77.70	91.90	25.40	62.00	17.50	120.70	19.10	4	5/8″	2.3	5.1
2-1/2″	65	178.00	22.40	90.40	104.60	28.40	74.70	19.10	139.70	19.10	4	5/8″	3.7	8.1
3″	80	190.50	23.90	108.00	127.00	30.20	90.70	20.60	152.40	19.10	4	5/8″	4.2	9.2
3-1/2″	90	216.00	23.90	122.20	139.70	31.80	103.40		177.80	19.10	8	5/8″	5.2	11.4
4″	100	228.50	23.90	134.90	157.20	33.30	116.10		190.50	19.10	8	5/8″	5.9	13
5″	125	254.00	23.90	163.60	185.70	36.60	143.80		215.90	22.40	8	3/4″	7	15.4
6″	150	279.50	25.40	192.00	215.90	39.60	170.70		241.30	22.40	8	3/4″	8.4	18.5
8″	200	343.00	28.40	246.10	269.70	44.50	221.50		298.50	22.40	8	3/4″	12.6	27.7
10″	250	406.50	30.20	304.80	323.90	49.30	276.40		362.00	25.40	12	7/8″	18	39.6
12″	300	482.50	31.80	365.30	381.00	55.60	327.20		431.80	25.40	12	7/8″	29.5	65
14″	350	533.50	35.10	400.10	412.80	57.20	359.20		476.30	28.50	12	1″	38	84
16″	400	597.00	36.60	457.20	469.90	63.50	410.50		539.80	28.50	16	1″	42	93
18″	450	635.00	39.60	505.00	533.40	68.30	461.80		577.90	31.80	16	1 1/8″	54	120
20″	500	698.50	42.90	558.80	584.20	73.20	513.10		635.00	31.80	20	1 1/8″	70	155
24″	600	813.00	47.80	663.40	692.20	82.60	616.00		749.30	35.10	20	1 1/4″	94	207
inch	dn	O	C	X	G	Y	B	D	BC	BH	BN	BD
Pipe Normal Diam.		O.D. Flange	Thk. Of Flange Min	Diam. of Hub	Diameter of Raised Face	Length Hub.Y	Bore	Depth of Socket.D	Diam. of Bolt Circle	Diam. of Bolt Holes	Number of Bolts	Diam. of Bolts (inch)	KG	LB

Note:

1) Depth of Socket (D) is covered by ANSI B 16.5 only in sizes through 3 inch, over 3 inch is at the manufacturer’s option.

300lb Socket Welding Flange-ASME/ANSI B16.5

ASME/ANSI B16.5/Standards, Dimensions & Weight

Pipe Normal Diam.		O.D. Flange	Thk. Of Flange Min	Diam. of Hub	Diameter of Raised Face	Length Hub.Y	Bore	Depth of Socket.D	Diam. of Bolt Circle	Diam. of Bolt Holes	Number of Bolts	Diam. of Bolts (inch)	Approx. Weight
inch	dn	O	C	X	G	Y	B	D	BC	BH	BN	BD	KG/PCS	LB/PCS
1/2″	15	95.5	14.2	38.1	35.1	22.4	22.4	9. 7	66.5	15.7	4	1/2″	0.7	1.5
3/4″	20	117. 5	15.7	47.8	42.9	25.4	27.7	11.2	82.6	19.1	4	5/8″	1.2	2.6
1″	25	124. 0	17.5	53.8	50.8	26.9	34.5	12.7	88.9	19.1	4	5/8″	1.4	3.1
1-1/4″	32	133. 5	19.1	63.5	63.5	26.9	43.2	14.2	98.6	19.1	4	5/8″	1.9	4.2
1-1/2″	40	155. 5	20.6	69.9	73.2	30.2	49.5	15.7	114.3	22.4	4	5/8″	2.8	6.2
2″	50	165. 0	22.4	84.1	91.9	33.3	62	17.5	127	19.1	8	5/8″	3.3	7.3
2-1/2″	65	190. 5	25.4	100.1	104.6	38.1	74.7	19.1	149.4	22.4	8	3/4″	4.6	10.1
3″	80	209. 5	28.4	117.3	127	42.9	90.7	20.6	168.1	22.4	8	3/4″	6.3	13.9
3-1/2″	90	228. 5	30.2	133.4	139.7	44.5	103. 4	22.4	184.2	22.4	8	3/4″	7.8	17.2
4″	100	254. 0	31.8	146.1	157.2	47.8	116. 1		200.2	22.4	8	3/4″	10	22
5″	125	279. 5	35.1	177.8	185.7	50.8	143. 8		235	22.4	8	3/4″
6″	150	317. 5	36.6	206.2	215.9	52.3	170. 7		269.7	22.4	12	3/4″
8″	200	381. 0	41.1	260.4	269.7	62	221. 5		330.2	25.4	12	7/8″
10″	250	444. 5	47.8	320.5	323.9	66.5	276. 4		387.4	28.4	16	1″
12″	300	520. 5	50.8	374.7	381	73.2	327. 2		450.9	31.8	16	1 1/8″
14″	350	584. 0	53.8	425.5	412.8	76.2	359. 2		514..4	31.8	20	1 1/8″
16″	400	647. 5	57.2	482.6	469.9	82.6	410. 5		571.5	35.1	20	1 1/4″
18″	450	711. 0	60.5	533.4	533.4	88.9	461. 8		628.7	35.1	24	1 1/4″
20″	500	774. 5	63.5	587.2	584.2	95.3	513. 1		685.8	35.1	24	1 1/4″
24″	600	914. 5	69.9	701.5	692.2	106. 4	616. 0		812.8	41.1	24	1 1/2″
inch	dn	O	C	X	G	Y	B	D	BC	BH	BN	BD	KG/PCS	LB/PCS
Pipe Normal Diam.		O.D. Flange	Thk. Of Flange Min	Diam. of Hub	Diameter of Raised Face	Length Hub.Y	Bore	Depth of Socket.D	Diam. of Bolt Circle	Diam. of Bolt Holes	Number of Bolts	Diam. of Bolts (inch)	Approx. Weight

Note:

1) Depth of Socket (D) is covered by ANSI B 16.5 only in sizes through 3 inch, over 3 inch is at the manufacturer’s option.

600lb Socket Welding Flange-ASME/ANSI B16.5

ASME/ANSI B16.5/Standards, Dimensions & Weight

Pipe Normal Diam.		O.D. Flange	Thk. Of Flange Min	Diam. of Hub	Diameter of Raised Face	Length Hub	Bore	Depth of Socket	Diam. of Bolt Circle	Diam. of Bolt Holes	Number of Bolts	Diam. of Bolts (inch)	Approx. Weight
inch	dn	O	C	X	G	Y	B	D	BC	BH	BN	BD	KG/PCS	LB/PCS
1/2″	15	95.5	14.2	38.1	35.1	22.4	22.9	9.7	66.5	15.7	4	1/2″	1	2.2
3/4″	20	117. 5	15.7	47.8	42.9	25.4	28.2	11.2	82.6	19.1	4	5/8″	1.6	3.5
1″	25	124. 0	17.5	53.8	50.8	26.9	35.1	12.7	88.9	19.1	4	5/8″	1.8	4
1-1/4″	32	133. 5	20.6	63.5	63.5	28.4	43.7	14.2	98.6	19.1	4	5/8″	2.6	5.7
1-1/2″	40	155. 5	22.4	69.9	73.2	31.8	50	15.7	114.3	22.4	4	3/4″	3.3	7.7
2″	50	165. 0	25.4	84.1	91.9	36.6	62.5	17.5	127	19.1	8	5/8″	3.9	8.6
2-1/2″	65	190. 5	28.4	100.1	104.6	41.1	75.4	19.1	149.4	22.4	8	3/4″	6	13.2
3″	80	209. 5	31.8	117.3	127	46	91.4	20.6	168.1	22.4	8	3/4″	7.4	16.3
3-1/2″	90	228. 5	35.1	133.4	139.7	49.3	104.1		184.2	25.4	8	7/8″	9.5	20.9
4″	100	273. 0	38.1	152.4	157.2	53.8	116.8		215.9	25.4	8	7/8″
5″	125	330. 0	44.5	189	185.7	60.5	144.5		266.7	28.4	8	1″
6″	150	355. 5	47.8	222.3	215.9	66.5	171.5		292.1	28.4	12	1″
8″	200	419. 0	55.6	273.1	269.7	76.2	222.3		349.3	31.8	12	1 1/8″
10″	250	508. 0	63.5	342.9	323.9	85.9	277.4		431.8	35.1	16	1 1/4″
12″	300	559. 0	66.5	400.1	381	91.9	328.2		489	35.1	20	1 1/4″
14″	350	603. 5	69.9	431.8	412.8	93.7	360.2		527.1	38.1	20	1 3/8″
16″	400	686. 0	76.2	495.3	469.9	106. 4	411.2		603.3	41.1	20	1 1/2″
18″	450	743. 0	82.6	546.1	533.4	117. 3	462.3		654.1	44.5	20	1 5/8″
20″	500	813. 0	88.9	609.6	584.2	127. 0	514.4		723.9	44.5	24	1 5/8″
24″	600	940. 0	101.6	717.6	692.2	139. 7	616		838.2	50.8	24	1 7/8″
inch	dn	O	C	X	G	Y	B	D	BC	BH	BN	BD	KG/PCS	LB/PCS
Pipe Normal Diam.		O.D. Flange	Thk. Of Flange Min	Diam. of Hub	Diameter of Raised Face	Length Hub	Bore	Depth of Socket	Diam. of Bolt Circle	Diam. of Bolt Holes	Number of Bolts	Diam. of Bolts (inch)	Approx. Weight

Note:

1) Depth of Socket (D) is covered by ANSI B 16.5 only in sizes through 3 inch, over 3 inch is at the manufacturer’s option.

1500lb Socket Welding Flange-ASME/ANSI B16.5

ASME/ANSI B16.5/Standards, Dimensions & Weight

Pipe Normal Diam.		O.D. Flange	Thk. Of Flange Min	Diam. of Hub	Length Hub	Bore	Depth of Socket	Diam. of Bolt Circle	Diam. of Bolt Holes	Number of Bolts	Diam. of Bolts (inch)
inch	dn	O	C	X	Y	B	D	BC	BH	BN	BD
1/2″	15	120.7	22.4	38.1	31.8	22.4	9.7	82.6	22.4	4	3/4″
3/4″	20	130	25.4	44.5	35.1	27.7	11.2	88.9	22.4	4	3/4″
1″	25	149.4	28.4	52.3	41.1	34.5	12.7	101.6	25.4	4	7/8″
1-1/4″	32	158.8	28.4	63.5	41.1	43.2	14.2	111.3	25.4	4	7/8″
1-1/2″	40	177.8	31.8	69.9	44.5	49.5	15.7	124	28.4	4	1″
2″	50	215.9	38.1	104.6	57.2	62	17.5	165.1	25.4	8	7/8″
2-1/2″	65	244.3	41.1	124	63.5	74.7	19.1	190.5	28.4	8	1″
3″	80	266.7	47.8	133.4				190.5	25.4	8	7/8″
4″	100	311.2	53.8	162.1				235	31.8	8	1 1/8″
5″	125	374.7	73.2	196.9				279.4	35.1	8	1 1/4″
6″	150	393.7	82.6	228.6				317.5	31.8	12	1 1/8″
8″	200	482.6	91.9	292.1				393.7	38.1	12	1 3/8″
10″	250	584.2	108	368.3				469.9	38.1	16	1 3/8″
12″	300	673.1	124	450.9				533.4	38.1	20	1 3/8″
14″	350	749.3	133.4	495.3				558.8	41.1	20	1 1/2″
16″	400	825.5	146.1	552.5				616	44.5	20	1 5/8″
18″	450	914.4	162.1	596.9				685.8	50.8	20	1 7/8″
20″	500	984.3	177.8	641.4				749.3	53.8	20	2″
24″	600	1168.4	203.2	762				901.7	66.5	20	2 1/2″

Note:

1) Depth of Socket (D) is covered by ANSI B 16.5 only in sizes through 3 inch, over 3 inch is at the manufacturer’s option.

Mumbai, Ahmedabad, Chennai, Delhi, Bangalore

We also have our sales representative in Hyderabad, Kolkata, Surat, Pune, Nagpur, Indore, Thane, Bhopal, Visakhapatnam, Vadodra, Nashik, Faridabad, Rajkot, Aurangabad, Ranchi, Coimbatore, Raipur, Mysore, Bhubaneswar, Salem, Bhilai, Bhiwandi, Bikaner, Mangalore, Kochi (Cochin), Bhavnagar, Tirupur, Ankleshwar, Assam, Siliguri, Tamil Nadu, Maharashtra

Specialized in manufacturing ansi flange, astm a105n flange, class150 flange, class1500 flange, class2500 flange, class300 flange, class600 flange, rtj flange, welding neck flange, wnrf flange, plate flange, slip-on raised face flange (SORF), weld-neck raised face flange (WNRF), socket-weld raised face flange (SWRF), blind flange (BLRF)