Spiral Wound Gasket

Product Detail

 

 

Product Description:

Spiral wound gaskets are designed for ASME B16.20 and ANSI B16.5 flanges. Spiral wound gaskets are available for classes 150 to 2500.  Custom filler, winding strip, guide ring and inner ring materials are available upon request.

 

Winding	Winding w/ Inner Ring	Winding w/ Centering Ring	Winding w/ Inner & Centering Ring

 

Winding Materials:	Max. Temp. Range
Stainless Steel 304	760°C
Stainless Steel 316L	760°C
Filler Materials:
Graphite	523°C
PTFE	260°C
Guide Ring Materials:
Carbon Steel	538°C
Inner Ring Materials:
Stainless Steel 304	760°C
Stainless Steel 316	760°C





Part Numbers:



 

Example:  SWG 260 150 316 G C I - Spiral Wound Gasket - 26” Nominal Pipe,  150#, Stainless Steel 316 Winding Material, Graphite Filler, Carbon Steel Centering Ring, Stainless Steel 316 Inner Ring

*If there is no internal ring or if there is no innternal ring or centering ring there is no material indicated

Selecting Your Spiral Wound Gasket

 

Applications  Service:




General Duty

Raised Face	Flat Face	Male & Female	Tongue & Groove	FF Face
Winding w/ Centering Ringa	Winding w/ Centering Ring	Winding	Winding	Winding

High Pressure High Temperature

Fluctuating Pressures SWG w/ PTFE Fillers

Winding w/ Inner & Centering Ring	Winding w/ Inner & Centering Ring	Winding w/ Inner Ring	Winding w/ Inner Ring	Winding w/ Inner Ring

Colour Coding

Centering rings are painted in accordance to ASME B16.20 . The solid colour on the centering ring indicates  the  metallic  winding material. The stripped colour indicates the non-metallic filler used between the metal  winding.

 



 

 

Spiral Wound Gasket Dimension for ASME B16.20

 



 

 

	150LB				300LB
NPS	D1	D2	D3	D4	D1	D2	D3	D4
1/2	14.2	19.1	31.8	47.8	14.2	19.1	31.8	54.1
3/4	20.6	25.4	39.6	57.2	20.6	25.4	39.6	66.8
1	26.9	31.8	47.8	66.8	26.8	31.8	47.8	73.2
1-1/4	38.1	47.8	60.5	76.2	38.1	47.8	60.5	82.6
1-1/2	44.5	54.1	69.9	85.9	44.5	54.1	69.9	95.3
2	55.6	69.9	85.9	104.9	55.6	69.9	85.9	111.3
2-1/2	66.5	82.6	98.6	124.0	66.5	82.6	98.6	130.3
3	81.0	101.6	120.7	136.7	81.0	101.6	120.7	149.4
4	106.4	127.0	149.4	174.8	106.4	127.0	149.4	181.1
5	131.8	155.7	177.6	196.9	131.6	155.7	177.8	215.9
6	157.2	182.6	209.6	222.3	157.2	182.6	209.6	251.0
8	215.9	233.4	263.7	279.4	215.9	233.4	263.7	308.1
10	268.2	287.3	317.5	339.9	268.2	287.3	317.5	362.0
12	317.5	339.9	374.7	409.7	317.5	339.9	374.7	422.4
14	349.3	371.6	406.4	450.9	349.3	371.6	406.4	485.9
16	400.1	422.4	463.6	514.4	400.1	422.4	463.6	539.6
18	449.3	474.7	527.1	549.4	449.3	474.7	527.1	596.9
20	500.1	525.5	577.8	606.6	500.1	525.5	577.9	654.1
24	603.3	628.7	685.8	717.6	603.3	628.7	685.8	774.7




	400LB				600LB
NPS	D1	D2	D3	D4	D1	D2	D3	D4
1/2	14.2	19.1	31.8	54.1	14.2	19.1	31.8	54.1
3/4	20.6	25.4	39.6	66.8	20.6	25.4	39.6	66.8
1	26.9	31.8	47.8	73.2	26.9	31.8	47.8	73.2
1-1/4	38.1	47.8	60.5	82.6	38.1	47.8	60.5	82.6
1-1/2	44.5	54.1	69.9	95.3	44.5	54.1	69.9	95.3
2	55.6	69.9	85.9	111.3	55.6	69.9	85.9	111.3
2-1/2	66.5	82.6	98.6	130.3	66.5	82.6	98.6	130.3
3	78.7	101.6	120.7	149.4	78.7	101.6	120.7	149.4
4	102.6	120.7	149.4	177.8	102.6	120.7	149.4	193.8
5	128.3	147.6	177.8	212.9	128.3	147.6	177.8	241.3
6	154.9	174.8	209.6	247.7	154.8	174.8	209.6	266.7
8	205.7	225.6	263.7	304.8	205.7	225.6	263.7	320.8
10	255.3	274.6	317.5	358.9	255.3	274.6	317.5	400.1
12	307.3	327.2	374.7	419.1	307.3	327.2	374.7	457.2
14	342.9	362.0	406.4	482.6	342.9	362.0	406.4	492.3
16	389.9	412.8	463.6	536.7	389.9	412.8	463.6	565.2
18	438.2	469.9	527.1	593.9	438.2	469.9	527.1	612.9
20	489.0	520.7	577.9	647.7	489.0	520.7	577.9	682.8
24	590.6	628.7	685.8	768.4	590.6	626.7	685.8	790.7

 

	900LB				1500LB
NPS	D1	D2	D3	D4	D1	D2	D3	D4
1/2	14.2	19.1	31.8	63.5	14.2	19.1	31.8	63.5
3/4	20.6	25.4	39.6	69.9	20.6	25.4	39.6	69.9
1	26.9	31.8	47.8	79.5	26.9	31.8	47.8	79.5
1-1/4	33.3	39.6	60.5	88.9	33.3	39.6	60.5	88.9
1-1/2	41.4	47.8	69.9	98.6	41.4	47.8	69.9	98.6
2	52.3	58.7	85.9	143.0	52.3	58.7	85.9	143.0
2-1/2	63.5	69.9	98.6	165.1	63.5	69.9	98.6	165.1
3	78.7	95.3	120.7	168.4	78.7	92.2	120.7	174.8
4	102.6	120.7	149.4	206.5	97.8	117.6	149.4	209.6
5	128.3	147.6	177.8	247.7	124.5	143.0	177.8	254.0
6	154.9	174.8	209.6	289.1	147.3	171.5	209.6	282.7
8	196.9	222.3	257.3	358.9	196.9	215.9	257.3	352.6
10	246.1	276.4	311.2	435.1	246.1	266.7	311.2	435.1
12	292.1	323.9	368.3	498.6	292.1	323.9	368.3	520.7
14	320.8	355.6	400.1	520.7	320.8	362.0	400.1	577.9
16	374.7	412.8	457.2	574.8	368.3	406.4	457.2	641.4
18	425.5	463.6	520.7	638.3	425.5	463.6	520.7	704.9
20	482.6	520.7	571.5	698.5	476.3	514.4	571.5	755.7
24	590.6	628.7	679.5	838.2	577.9	616.0	679.5	901.7

 

	2500LB
NPS	D1	D2	D3	D4
1/2	14.2	19.1	31.8	69.9
3/4	20.6	25.4	39.6	76.2
1	26.9	31.8	47.8	85.9
1-1/4	33.3	39.6	60.5	104.9
1-1/2	41.4	47.8	69.9	117.6
2	52.3	58.7	85.9	146.1
2-1/2	63.5	69.9	98.6	168.4
3	78.7	92.2	120.7	196.9
4	97.8	117.6	149.4	235.0
5	124.5	143.0	177.8	279.4
6	147.3	171.5	209.6	317.5
8	196.9	215.9	257.3	387.4
10	246.1	270.0	311.2	476.3
12	292.1	317.5	368.3	549.4

 

Filler Materials & Temperatures:

Spiral Wound Filler Guide	Flexible Graphite	PTFE	Ceramic	Mica
Maximum Temperature	900oF 482oC	500oF 260oC	2300oF 1260oC	1800oF 982oC
Minimum Temperature	-400oF -240oC	-300oF -184oC	-150oF -101oC	-400oF -240oC

 

Techo is one of the leading manufacturers and suppliers of various sealing products in China. We have skillful and experienced workers in our factory. Now take action to wholesale quality stand spiral wound gasket made in China with us.