ASME B16.21, Class 150 Flat Face Compressed Non-Asbestos Sheet Fiber Flat Gasket

• Customization: Available
• Material: Non Asbestos
• Application: Oil & Gas Pipeline Service
• Model NO.: G-019
• Type: Pipeline Seal
• Performance: Seal
• Shape: O-Ring
• Standard: Standard, Nonstandard
• Flange Standard: ANSI B16.5
• Delivery: 2-4 Weeks
• Service: for Oil and Gas Pipeline Sealing
• Gasket Standard: B16.21
• Pressure: 150#
• Flange Face: RF
• Materials: Gylon 3500/Tealon TF 1590
• Transport Package: Sea Shipment
• Specification: 8"
• Trademark: Qishine
• Origin: China
• Package Size: 20.00cm * 20.00cm * 5.00cm
• Package Gross Weight: 1.000kg

Product Description

 

Company Profile

Our company was founded in 2013.

Over the years, we have consistently grown with the aim of providing better services to our customers.

Qishine is dedicated to supplying extensive range of Pipes, Valves, Flanges, Pipe Fittings, Fasteners,Gaskets and miscellaneous for all kinds of industry. Such as refineries, chemical and petrochemical plants, thermal and nuclear power plants, thermo solar facilities and other industrial sectors.

In our great portfolio, you can find all kinds of valves, flanges and fittings, supplying either for the small business or for big projects. We are experts in the supply of carbon, stainless and alloyed steel.

Qishine has progressively increased its business lines providing client one-stop shopping. More than just product selection, at XIAMEN QISHINE you will find max quality,durable products in the most competitive price and professional service

Non-asbestos gasket is made from special non-asbestos heat-resisting fiber, natural rubber compound heating and compression molding. It eliminates asbestos rubber sheet essentially and thoroughly. The maximum dimension reach 2700 x 2700mm.

Certifications

 

Non-asbestos fibre materials are referred to as such due to their capacity to fill the void in the range of gasket materials that was previously occupied by asbestos. Asbestos, a material that has now been proven to be hazardous, possessed noteworthy heat resistance properties, which is why it was extensively used in high-temperature applications. Following the prohibition of asbestos, alternative materials were required to meet the same functional requirements while eliminating the associated health risks. Consequently, non-asbestos materials were developed to perform the same function, but without the associated danger to human health.

These materials are now commonly comprised of aramid fibre (Kevlar) and non-organic fibres, which are in turn blended with different polymers to meet different applications; most commonly nitrile rubber, for fuel and oil resistance. These materials can also be graphite coated for non-stick and steam resistance, mixed with PTFE for excellent chemical resistance, or with EPDM for potable water applications.

 

Common Industries Utilising Non-Asbestos Fibre, Non-asbestos Gasket
 

· Oil and Gas

· Chemical Processing

· Petrochemical Industry

· Process Industry

 

Dimensions of Non-Metallic Flat Gaskets, ASME B16.21 to be used with Raised Face flanges ASME b16.5

 

 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.