ANSI B16.21 Non-Metallic Asbestos Free Flat Gasket for Petrochemical Industry

• Material: Non Asbestos
• Application: Oil & Gas Pipeline Service
• Type: Pipeline Seal
• Performance: Seal
• Shape: O-Ring
• Standard: Standard, Nonstandard
• Model NO.: G-0140
• Flange Standard: ANSI B16.5
• Delivery: 2-4 Weeks
• Service: for Oil and Gas Pipeline Sealing
• Gasket Standard: B16.21
• Pressure: 150lb 300lb 600lb
• Flange Face: RF FF
• Materials: Gylon 3500/Tealon TF 1590
• Transport Package: Sea Shipment
• Specification: 1/2"-24"
• Trademark: Qishine
• Origin: China

Product Description

ANSI B16.21 Non-Metallic Asbestos Free Flat Gaskets are widely used in various industrial applications for sealing flanged joints, equipment, and piping systems. This ANSI B16.21 Non-Metallic Asbestos Free Flat Gasket is made from non-metallic materials such as aramid fiber, synthetic fiber, rubber, graphite, and PTFE. They are used in applications where traditional metallic gaskets are not suitable due to their low chemical resistance or high-temperature limitations. Asbestos-free gaskets provide a cost-effective and safe solution for sealing applications.

One of the primary advantages of non-metallic asbestos-free ANSI B16.21 Non-Metallic Asbestos Free Flat Gasket is their resistance to chemical corrosion. They are often used in chemical and petrochemical industries, where exposure to various acids, alkalis, and other chemicals is common. The gaskets' resistance to these chemicals ensures that the joints and equipment remain leak-free and operational for longer periods, improving safety and productivity.

Another advantage of these gaskets is their flexibility, which allows them to conform to irregular surfaces, reducing the risk of leaks. The gaskets are also available in a wide range of sizes, thicknesses, and shapes, making them suitable for various applications. They are easy to install, remove, and replace, minimizing downtime and maintenance costs.

Non-metallic asbestos-free flat gaskets can withstand high temperatures, making them suitable for high-temperature applications. The gaskets can withstand temperatures of up to 500°F and provide excellent thermal insulation, reducing heat transfer and energy losses.

The ANSI B16.21 Non-Metallic Asbestos Free Flat Gasket is also non-conductive, making them suitable for electrical insulation applications. They are often used in electrical power generation and distribution systems, where electrical insulation is critical. The gaskets' non-conductive properties prevent electrical current flow and reduce the risk of short-circuits.

In conclusion, non-metallic asbestos-free flat gaskets provide a safe, cost-effective, and reliable solution for sealing applications in various industries. They offer excellent chemical resistance, flexibility, and thermal insulation properties, making them suitable for a wide range of applications. With their easy installation, low maintenance costs, and long service life, non-metallic asbestos-free flat gaskets are a popular choice for many industrial applications.

 

 Gasket Dimension




 

Class 150 to 900 NPS 1/2 to 24

NPS	d1	d2
		Class 150	Class 300	Class 400	Class 600	Class 900
1/2	21	48	54	54	54	64
3/4	27	57	67	67	67	70
1	33	67	73	73	73	79
1.1/4	42	76	83	83	83	89
1.1/2	48	86	95	95	95	98
2	60	105	111	111	111	143
2.1/2	73	124	130	130	130.2	165
3	89	137	149	149	149	168
3.1/2	102	162	165	162	162
4	114	175	181	178	194	206
5	141	197	216	213	241	248
6	168	222	251	248	267	289
8	219	279	308	305	321	359
10	273	340	362	359	400	435
12	324	410	422	419	457	498
14	356	451	486	483	492	521
16	406	514	540	537	565	575
18	457	549	597	594	613	638
20	508	606	654	648	683	699
24	610	718	775	768	791	838

 

General notes:

· Dimensions are in millimeters unless otherwise indicated.

· d1 = Inside diameter.

· d2 = Outside diameter.

· Dimensional tolerances outside diameter NPS 12 and smaller: +0 / -1.5 mm.

· Dimensional tolerances outside diameter NPS 14 and larger: +0 / -3.0 mm.

· Dimensional tolerances inside diameter NPS 12 and smaller: ± 1.5 mm.

· Dimensional tolerances inside diameter NPS 14 and larger: ± 3.0 mm.

· Thickness (t) specified by customer.

 

Products to our clients.

 

 

Our Superiority

 

Why choose Qishine?

High Quality: Qishine provide high quality products.
Reasonable and Competitive Price: Our products are sales well in oversea markets,especially in Europe, South America and Africa.
Professional Service: Qishine's sales team have rich experience in exporting and projects service.
Fast Delivery: Fast deliver the goods to all of the world.
One Stop Service: We provide gaskets,screws,flanges,pipes and fittings.Best choice for EPC companies and projects' construction.

Who choose Qishine?

 

Application:

FAQ

 

About Sample

 1.We can offer samples for testing,courier freight afforded by the receiver .

 2.For cost saving, freight prepaid is recommended.

 3.Special requirement accepted
 

About Order
 

1.Payment Term: T/T, L/C

2.Trade Term:  EXW, FCA, FOB, CFR,CIF,DDU

3.Documents: CI, PL, CO,MTC and BL.
 

About After Sale Service

Product Quality Guarantee: We guarantee our products quality for 12months from the date of BL.