Flange Insulation Gaskets Kit

 

Flexiteck 

UK 

 

Flange Insulation Gaskets Kits

Our Flexiteck insulation kit passed ASTM D3850-12 Fire Safe, analysis was performed by SGS TGA

 

Style : 280

 

Are designed to maintain the integrity & reliability of the pipeline & piping system through safety & corrosion protection. Also provide and effective seal & electrical isolation of flanges. By eliminating metal to metal contact, static current is halted to prevent corrosion & aid in the cathodic protection of the pipe.

Construction of high quality materials that have a high dielectric constant and low water absorption, our kits are available for all size flanges, ranging from ½” to 144” in all ANSI & API standard.

 

 

Model : F

It’s made to fit the raised face portion of the flange only. As there are no bolt holes in this type, the inside diameter of the bolt hole circle is slightly smaller than the outside diameter of the gasket, assuring an exact, automatic positioning of the gasket. Available in plain face, nitrile, or neoprene face phenolic, as well as a variety of high temperature materials.

 

 

 

   

 

 

INSULATION SLEEVES AND WASHERS

 

 

Insulation sleeves manufactured of high density polyethylene, NEMA grade LE phenolic, G10, G11, and Mylar are available in a full range of sizes.

With each insulating washer a 1/8” thick zinc plated steel washer is provided to protect the insulating washer from damage by the nut.

 

TECHNICAL SPECIFICATION FOR NEOPRENE PHENOLIC GASKET

 

 

Dielectric Values (VPM) : 500

Compression Strength (PSI) : 25000

Water Absorption (%) : 1.6

Tensile strength (PSI) : 20000

Operating Temp.(deg. C) : -54 ~ +79
 

  

Flexiteck

 

Flange insulation sets comprise the following components which ensure that full electrical isolation is achieved:

Insulating gasket which is fitted between the flanges

Insulating sleeve per flange bolt

Insulation washers per flange bolt

Metal backup washers per flange bolt

---

  

Model :   E

 

A full-faced gasket with the same outside diameter as the flange and precision cut bolt holes the design facilitates proper alignment of the gasket during installation & foreign material is prevented from shorting the flange insulation. Available in plain face, nitrile, or neoprene face phenolic, as well as a variety of high temperature materials. 

Our Flexiteck insulation kit passed ASTM D3850-12 Fire Safe, analysis was performed by SGS TGA

 

 

 

 

 

INSULATION SLEEVES AND WASHERS

Insulation sleeves manufactured of high density polyethylene, NEMA grade LE phenolic, G10, G11, and Mylar are available in a full range of sizes.

With each insulating washer a 1/8” thick zinc plated steel washer is provided to protect the insulating washer from damage by the nut.

 

TECHNICAL SPECIFICATION FOR NEOPRENE PHENOLIC GASKET

 

 

Dielectric Values (VPM) : 500

Compression Strength (PSI) : 25000

Water Absorption (%) : 1.6

Tensile strength (PSI) : 20000

Operating Temp.(deg. C) : -54 ~ +79

Flexiteck

 

Flange insulation sets comprise the following components which ensure that full electrical isolation is achieved:

1. Insulating gasket which is fitted between the flanges

2. Insulating sleeve per flange bolt

3. Insulation washers per flange bolt

4. Metal backup washers per flange bolt

 

---

 

Flange Gasket Kit

 

Model : L-seal

L-seal flange insulation kit contains one RF or FF insulation gasket manufactured from Nema grade G-10 glass reinforced epoxy retainer with a Nitrile, Viton or Teflon seal, two insulating washers manufactured from Nema grade G-10, two steel (sae zinc plated steel) back-up washers and one Mylar insulating sleeve having a 1/32” wall thickness for each bolt.

 

Our Flexiteck insulation kit passed ASTM D3850-12 Fire Safe, analysis was performed by SGS TGA

 

 

 

 

Gasket Material

	Plain Phenolic	Neoprene Faced Phenolic	Reinforced PTFE	G-7 Epoxy/Glass	G-10 Epoxy/Glass	G-11 Epoxy/Glass
Dielectric strength Volts/Mill	500	500	350	350	550	550
Compressive strength psi	25000	25000	2300	40000	50000	50000
Water absorption %	1.6	1.6	0.01	0.07	0.1	0.1
Tensile strength psi	20000	20000	1450	25000	45000	43000
Operating tempo F	-65 to +220	-65 to +175	-320 to +500	-320 to +450	-320 to +280	-320 to +349
Operating tempo C	-54 to +104	-54 to +79	-196 to +260	-196 to +232	-196 to +138	-196 to +176

 

Seal Material

	Nitrile	Viton	Teflon	Neoprene	EPDM
Operating tempo F	-40 to +260	-20 to +350	-320(-20) to +450(+350)	-40 to +250	-40 to +250
Operating tempo C	-40 to +121	-29 to +177	-196(-29) to +232(+177)	-40 to +121	-40 to +121

 

 

 

 

 

 

 

 

Sleeve Materials

Phenolic, Mylar, G7 Silicone Glass, G10 Epoxy Glass, G11 Epoxy Glass

Sleeves easily fit over standard size flange bolts within standard size bolt holes. They are available for standard American bolts sizes, custom sizes can be made. Also available are one-piece integral sleeves and washers which  providing  superior compression strength. Integral sleeves are available sizes through 1-1/2”.

	Mylar	Nomex	G7 Silicone Glass	G-10 Epoxy / Glass	G-11 Epoxy / Glass
Dielectric strength Volts/Mil	4000	400	350	550	550
Water absorption %	0.8	N/A	0.1	0.1	0.1
Operating temp %	-79 to +300	-65 to +450	-320 to +450	-200 to +302	-50 to +392
Operating tempo C	-59 to +149	-54 to +232	-196 to +232	-128 to +150	-45 to +202

 

Washer Material

Phenolic, G7 Silicone Glass, G10 Epoxy Glass, G11 Epoxy Glass

Standard thickness is 1/85”, Insulating washer are fit insulating sleeves in full range of bolts sizes.

	Plain Phenolic	G7 Silicone Glass	G-10 Epoxy / Glass	G-11 Epoxy / Glass
Dielectric strength Volts/Mil	500	350	550	550
Compressive strength psi	25000	40000	65000	50000
Water absorption %	1.6	0.07	0.1	0.1
Tensile strength psi	20000	25000	50000	43000
Operating tempo F	-65 to +220	-320 to +450	-200 to +320	-50 to +392
Operating tempo C	-54 to +104	-196 to +232	-128 to +150	-45 to +202

 

Flange insulation gasket kits are manufactured to fit the flange dimensions of ANSI, API, AWWA, MSSSP44, B.S.10, DIN 2633, 2634, etc.

 

Gasket thickness ; 3mm

 

L-seal gaskets are state-of-the-art in near zero leakage static sealing. The elastomer sealing element is encapsulated in the electrically insulated retainer. And permits only micro-exposure of the seal to hostile environs of fire, chemicals and corrosive fluids.

 

 

 

ADVANTAGES OF THE L-seal

Can be utilized with mismatched flanges 

Can be utilized with misaligned flanges

Can be used in place of RTJ or BX rings

Little initial torque required

No re-torquing required

Sealing ring cannot be left out

Seal design tested from 0 – 100,000 psi

Reusable

Compensates for pressure fluctuations, compression changes, vibrations, temperature, etc.

Greatly reduces human error during installation

Large selection of materials available

Three to four times the dielectric strength necessary

 

 

---

 

Model : O-seal

 

Our Flexiteck insulation kit passed ASTM D3850-12 Fire Safe, analysis was performed by SGS TGA

 

 

 

Description

Sealing Gasket has the excellent sealing and insulating design for all types’ flanges. 

·       The Sealing elements encapsulated in the special designed groove, avoid the sealing element broken when the bolts torque are not equal.

·        The material such Nitrile, EPDM, VITON and Teflon can be used as sealing elements, this increase the options for different working conditions. 

·        Both retainer and sealing element’s temperature limit should be considered together while choose the material. Refer to chart for sealing gasket temperature range and material compatibilities. 

·         Can have O ring seal or PTFE energized spring seal, PTFE energized spring seal is optional. 

 

Gasket Material

	Plain Phenolic	Neoprene Faced Phenolic	Reinforced PTFE	G-7 Epoxy/Glass	G-10 Epoxy/Glass	G-11 Epoxy/Glass
Dielectric strength Volts/Mill	500	500	350	350	550	550
Compressive strength psi	25000	25000	2300	40000	50000	50000
Water absorption %	1.6	1.6	0.01	0.07	0.1	0.1
Tensile strength psi	20000	20000	1450	25000	45000	43000
Operating tempo F	-65 to +220	-65 to +175	-320 to +500	-320 to +450	-320 to +280	-320 to +349
Operating tempo C	-54 to +104	-54 to +79	-196 to +260	-196 to +232	-196 to +138	-196 to +176

 

Seal Material

	Nitrile	Viton	Teflon	Neoprene	EPDM
Operating tempo F	-40 to +260	-20 to +350	-320(-20) to +450(+350)	-40 to +250	-40 to +250
Operating tempo C	-40 to +121	-29 to +177	-196(-29) to +232(+177)	-40 to +121	-40 to +121

 

 

 

 

 

 

 

 

 

 

Sleeve Materials

Phenolic, Mylar, G7 Silicone Glass, G10 Epoxy Glass, G11 Epoxy Glass

Sleeves easily fit over standard size flange bolts within standard size bolt holes. They are available for standard American bolts sizes, custom sizes can be made. Also available are one-piece integral sleeves and washers which  providing  superior compression strength. Integral sleeves are available sizes through 1-1/2”.

	Mylar	Nomex	G7 Silicone Glass	G-10 Epoxy / Glass	G-11 Epoxy / Glass
Dielectric strength Volts/Mil	4000	400	350	550	550
Water absorption %	0.8	N/A	0.1	0.1	0.1
Operating temp %	-79 to +300	-65 to +450	-320 to +450	-200 to +302	-50 to +392
Operating tempo C	-59 to +149	-54 to +232	-196 to +232	-128 to +150	-45 to +202

 

Washer Material

Phenolic, G7 Silicone Glass, G10 Epoxy Glass, G11 Epoxy Glass

Standard thickness is 1/85”, Insulating washer are fit insulating sleeves in full range of bolts sizes.

	Plain Phenolic	G7 Silicone Glass	G-10 Epoxy / Glass	G-11 Epoxy / Glass
Dielectric strength Volts/Mil	500	350	550	550
Compressive strength psi	25000	40000	65000	50000
Water absorption %	1.6	0.07	0.1	0.1
Tensile strength psi	20000	25000	50000	43000
Operating tempo F	-65 to +220	-320 to +450	-200 to +320	-50 to +392
Operating tempo C	-54 to +104	-196 to +232	-128 to +150	-45 to +202

 

Available gasket type – E (3mm thickness)

Type “E” is a full-face gasket with same outside diameter as the flange and precision cut bolt holes.

This design facilities proper alignment of the gasket during installation. This assembly minimizes the ingress of conductive foreign matter between the portions of the flanges outside the raise face and reduce the risk of bridging.

Available gasket – F (3mm thickness)

Type “F” gasket are made to fit the raise face portion of the flange only. As there are no bolt holes in the “F” gasket, the outside diameter of the gasket fit tightly into place assuring a well centered position.

 

---

 

Model : T-seal

Our insulation kit passed ASTM D3850-12 Fire Safe, analysis was performed by TGA.

 

The gasket material incorporates high-strength, glass-reinforced epoxy laminated bonded to a stainless steel core. This provides the strength of a traditional metallic gasket while maintaining complete electrical insulation between the flange faces. Seal grooves are machined through the laminate insulating material and into the stainless steel core which provides a strong base for the seal to seat into and breaks the potential leak path that is inherent in glass laminate materials. Spring-energized Teflon internal face seals are installed in the dovetail shape seal grooves to provide the reliable sealing.

 

 

 

 

Advantages and Benefits

Extreme high-reliability sealing and insulating solution for all critical services. Seals and insulates at all pressures classed including API 15000 psi service.

·  Seals and insulates at all pressures classed including API 5000 psi service

·  Withstands severe service conditions including large bending moments, vibration, temperature and pressure cycling

·  Designed to withstand corrosive environments, including high concentrations of CO2, H2S, produced water, etc.

·  Outstanding insulation properties for catholic protection

·  Pressure-activated seals provide high confidence sealing and eliminate costly leaks

·  Gasket is sized to the bore to protect flange faces from media-induced corrosion and flow-induced erosion

·  Prevents turbulent flow at flanged connections

·  Mitigates galvanic corrosion in dissimilar metal flanges

·  Available to match any flange specification (ANSI, API, MSSP, BS, DIN, AS, others)

·  Can mate mismatched RTJ with raised-face flanges>

·  Easy installation, make up and removal

Stainless steel core

The standard stainless steel core is 316. Special materials such as duplex stainless steel, Inconel stainless steel are can be made4 according the requirements.

 

Glass-reinforced epoxy

The standard glass-reinforced epoxy material is NAME G10; G11 is available when the temperature requirement is higher.

 

	G10 Bonded	G11 Bonded
Dielectric strength Volts/Mill	550	550
Compressive strength psi	65000	50000
Water absorption %	0.005	0.085
Flexural strength psi	65000	60000
Tensile strength psi	50000	45000
Operating tempos	-65 to +280	-50 to +349
Operating tempos	-54 to +138	-45 to +176

 

 

Seal

The standard sealing material is Spring-energized Teflon which suitable for most of working conditions. Meanwhile, the other materials like VITON also available.

 

	Nitrile	Viton	Teflon
Operating tempos	-40 to +250	-20 to +350	-320 to +450
Operating tempos	-40 to +121	-29 to +177	-196 to +232

 

Sleeve Materials

Phenolic, Mylar, G7 Silicone Glass, G10 Epoxy Glass, G11 Epoxy Glass

Sleeves easily fit over standard size flange bolts within standard size bolt holes. They are available for standard American bolts sizes, custom sizes can be made. Also available are one-piece integral sleeves and washers which provide superior compression strength. Integral sleeves are available sizes through 1-1/2”.

	Mylar	Nomex	G7 Silicone Glass	G-10 Epoxy / Glass	G-11 Epoxy / Glass
Dielectric strength Volts/Mil	4000	400	350	550	550
Water absorption %	0.8	N/A	0.1	0.1	0.1
Operating temp %	-79 to +300	-65 to +450	-320 to +450	-200 to +302	-50 to +392
Operating tempo C	-59 to +149	-54 to +232	-196 to +232	-128 to +150	-45 to +202

 

Washer Material

Phenolic, G7 Silicone Glass, G10 Epoxy Glass, G11 Epoxy Glass

Standard thickness is 1/85”, Insulating washer are fit insulating sleeves in full range of bolts sizes.

	Plain Phenolic	G7 Silicone Glass	G-10 Epoxy / Glass	G-11 Epoxy / Glass
Dielectric strength Volts/Mil	500	350	550	550
Compressive strength psi	25000	40000	65000	50000
Water absorption %	1.6	0.07	0.1	0.1
Tensile strength psi	20000	25000	50000	43000
Operating tempo F	-65 to +220	-320 to +450	-200 to +320	-50 to +392
Operating tempo C	-54 to +104	-196 to +232	-128 to +150	-45 to +202

 

Available gasket type – E (6.25mm thickness)

Type “E” is a full-face gasket with same outside diameter as the flange and precision cut bolt holes.

This design facilities proper alignment of the gasket during installation. This assembly minimizes the ingress of conductive foreign matter between the portions of the flanges outside the raise face and reduce the risk of bridging.

 

Available gasket type – F (6.25mm thickness)

Type “F” gasket are made to fit the raise face portion of the flange only. As there are no bolt holes in the “F” gasket, the outside diameter of the gasket fit tightly into place assuring a well centered position.

 

 

---

 

 

 

Model :  D

It’s specially designed to fit into the ring groove of RTJ flanges. They are manufactured of a medium weave, fabric reinforced phenolic material and are sized to ANSI and API specifications, available in basic oval, octagonal shape, also available are BX gaskets.

Our Flexiteck insulation kit passed ASTM D3850-12 Fire Safe, analysis was performed by SGS TGA

 

 

 

 

 

INSULATION SLEEVES AND WASHERS

Insulation sleeves manufactured of high density polyethylene, NEMA grade LE phenolic, G10, G11, and Mylar are available in a full range of sizes.

With each insulating washer a 1/8” thick zinc plated steel washer is provided to protect the insulating washer from damage by the nut.

 

TECHNICAL SPECIFICATION FOR NEOPRENE PHENOLIC GASKET

Dielectric Values (VPM) : 500

Compression Strength (PSI) : 25000

Water Absorption (%) : 1.6

Tensile strength (PSI) : 20000

Operating Temp.(deg. C) : -54 ~ +79

 

Flexiteck

Flange insulation sets comprise the following components which ensure that full electrical isolation is achieved:  

1. Insulating gasket which is fitted between the flanges

2. Insulating sleeve per flange bolt

3. Insulation washers per flange bolt

4. Metal backup washers per flange bolt