Slip On Flange

Approx Price:

Size : 1/2″ (15 NB) to 48″ (1200NB)
Standards : ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA
Pressure Ratings : Class 150, Class 300, Class 400, Class 600, Class 900, Class1500, Class 2500 | PN6, PN10, PN16, PN25, PN40, PN64 etc.
Stainless Steel Slip-on Flanges : ASTM A182 F202, F304/304L/304H, F316/316L, F316H, F316TI, F310, F321, F904L
Alloy Steel Slip-on Flanges : ASTM A182 F1, F5, F9, F11, F22, F91 Special Alloy Slip-on
Flanges : Duplex, Super Duplex, Nickel Alloys Flange Face Type : Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)

Slip-on flanges are one of the most versatile and commonly used components in piping systems across various industries. Their simple design and ease of installation make them a preferred choice for engineers and manufacturers. In this article, we will delve into what slip-on flanges are, their benefits, applications, and why they are a popular option in many industries.

What is a Slip-On Flange?

A slip-on flange is a type of flange that slides over the end of a pipe and is then welded in place. Unlike other flange types, the slip-on flange is not threaded, which allows for greater flexibility during installation. It is typically used in systems that operate under low pressure and require minimal stress handling.

Applications of Slip-On Flanges

Oil and Gas: For pipelines transporting crude oil, natural gas, and refined products.
Chemical Processing: Used in systems handling chemicals and solvents.
Water Treatment: Essential for pipelines in wastewater and potable water treatment plants.
Food and Beverage: Ensures safe and efficient transport of liquids and other products.
Pharmaceutical: Used in piping systems that require hygiene and precision.

Why Choose Slip-On Flanges?

Slip-on flanges are a practical choice for many industrial applications due to their affordability, ease of use, and flexibility. They are ideal for systems that do not operate under extremely high pressure or temperature, making them suitable for a wide range of uses. Additionally, their availability in various materials and sizes ensures they can meet diverse operational needs. Slip-on flanges are an integral part of many piping systems, offering a reliable and cost-effective solution for joining pipes and other components. Whether you’re in the oil and gas, chemical, or water treatment industry, these flanges provide the versatility and durability needed to ensure efficient operations.

Slip On Flange – Technical Specifications
Category	Specifications
Size Range	1/2″ (15 NB) to 48″ (1200 NB)
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, Class 1500, Class 2500; PN6, PN10, PN16, PN25, PN40, PN64, etc.
Carbon Steel Slip-On Flanges	ASTM A105/A105N, A350 LF1, LF2 CL1/CL2, LF3 CL1/CL2, A694 F42–F70, A516.60/65/70, Steel RST37.2, C22.8
Stainless Steel Slip-On Flanges	ASTM A182 F202, F304/304L/304H, F316/316L/316H/316TI, F310, F321, F904L
Alloy Steel Slip-On Flanges	ASTM A182 F1, F5, F9, F11, F22, F91
Special Alloy Slip-On Flanges	Duplex, Super Duplex, Nickel Alloys
Flange Face Types	Flat 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, Customized Flange Sizes for Slip-On Flanges
Wall Thickness	Schedule 5s through Schedule XXS and heavier
Dimensions	Diameter: 1/2″ to 24″; Pressure Class: 150#, 300#, 600#, 1500#
Dimensions and Pressure Ratings	ANSI, MSS-SP-44, BS3293, API 605; Pressure Ratings: 150lb to 2500lb
Flange Facings	Raised Face, Ring Type Joint, Large Tongue & Groove, Small Tongue & Groove
BS and DIN Standards	BS4504: PN6, PN10, PN16, PN25, PN64; BS10: Table D, E, F, & H; DIN Standards


Slip-on Flange Dimensions & Weight
NPS	A	B	C	D	F	G	H	I	J	W
	inch	inch	inch	inch	inch	inch	No. of Holes	inch	inch	kg/pc
	mm	mm	mm	mm	mm	mm	No. of Holes	mm	mm	kg/pc
1/2	3.500	0.880	0.440	0.620	1.190	1.380	4	0.620	2.380	0.39
1/2	88.90	22.40	11.20	15.70	30.20	35.10	4	15.70	60.45	0.39
3/4	3.880	1.090	0.500	0.620	1.500	1.690	4	0.620	2.750	0.56
3/4	98.60	27.70	12.70	15.70	38.10	42.90	4	15.70	69.85	0.56
1	4.250	1.360	0.560	0.690	1.940	2.000	4	0.620	3.120	0.78
1	108.0	34.50	14.20	17.50	49.30	50.80	4	15.70	79.25	0.78
1-1/4	4.620	1.700	0.620	0.810	2.310	2.500	4	0.620	3.500	1.03
1-1/4	117.3	43.20	15.70	20.60	58.70	63.50	4	15.70	88.90	1.03
1-1/2	5.000	1.950	0.690	0.880	2.560	2.880	4	0.620	3.880	1.32
1-1/2	127.0	49.50	17.50	22.40	65.00	73.15	4	15.70	98.60	1.32
2	6.000	2.440	0.750	1.000	3.060	3.620	4	0.750	4.750	2.06
2	152.4	62.00	19.10	25.40	77.70	91.90	4	19.10	120.7	2.06
2-1/2	7.000	2.940	0.880	1.120	3.560	4.120	4	0.750	5.500	3.28
2-1/2	177.8	74.70	22.40	28.40	90.40	104.6	4	19.10	139.7	3.28
3	7.500	3.570	0.940	1.190	4.250	5.000	4	0.750	6.000	3.85
3	190.5	90.70	23.90	30.20	108.0	127.0	4	19.10	152.4	3.85
3-1/2	8.500	4.070	0.940	1.250	4.810	5.500	8	0.750	7.000	4.81
3-1/2	215.9	103.4	23.90	31.75	122.2	139.7	8	19.10	177.8	4.81
4	9.000	4.570	0.940	1.310	5.310	6.190	8	0.750	7.500	5.30
4	228.6	116.1	23.90	33.30	134.9	157.2	8	19.10	190.5	5.30
5	10.00	5.660	0.940	1.440	6.440	7.310	8	0.880	8.500	6.07
5	254.0	143.8	23.90	36.60	163.6	185.7	8	22.40	215.9	6.07
6	11.00	6.720	1.000	1.560	7.560	8.500	8	0.880	9.500	7.45
6	279.4	170.7	25.40	39.60	192.0	215.9	8	22.40	241.3	7.45
8	13.50	8.720	1.120	1.750	9.690	10.62	8	0.880	11.75	12.1
8	342.9	221.5	28.40	44.50	246.1	269.7	8	22.40	298.5	12.1
10	16.00	10.88	1.190	1.940	12.00	12.75	12	1.000	14.25	16.5
10	406.4	276.3	30.20	49.30	304.8	323.9	12	25.40	362.0	16.5
12	19.00	12.88	1.250	2.190	14.38	15.00	12	1.000	17.00	26.2
12	482.6	327.1	31.75	55.60	365.3	381.0	12	25.40	431.8	26.2
14	21.00	14.14	1.380	2.250	15.75	16.25	12	1.120	18.75	34.6
14	533.4	359.1	35.10	57.15	400.1	412.8	12	28.40	476.3	34.6
16	23.50	16.16	1.440	2.500	18.00	18.50	16	1.120	21.25	44.8
16	596.9	410.5	36.60	63.50	457.2	469.9	16	28.40	539.8	44.8
18	25.00	18.18	1.560	2.690	19.88	21.00	16	1.250	22.75	48.9
18	635.0	461.8	39.60	68.30	505.0	533.4	16	31.75	577.9	48.9
20	27.50	20.20	1.690	2.880	22.00	23.00	20	1.250	25.00	61.9
20	698.5	513.1	42.90	73.15	558.8	584.2	20	31.75	635.0	61.9
24	32.00	24.25	1.880	3.250	26.12	27.25	20	1.380	29.50	86.9
24	812.8	616.0	47.80	82.60	663.4	692.2	20	35.10	749.3	86.9