Guardian Premium IS

Retainer
- Thickness: 3.00 mm
  - Option A: G10 (FR4)
  - Option B: G11 (FR5)
Sealing Element
- Thickness: 1.00 mm
  - Option A: PTFE
  - Option B: NBR
  - Option C: FKM
Insulating sleeves
- Thickness: 0.90÷1.10 mm
  - Option A: GRE G10 (FR4)
  - Option B: GRE G11 (FR5)
Insulating washers
- Thickness: 3.00 mm
  - Option A: GRE G10 (FR4)
  - Option B: GRE G11 (FR5)
Metallic Washers
- Thickness: 3.00 mm
  - Option A: Zinc Plated Carbon Steel
  - Option B: Other metals on request

Insulating kit for flanges.

TEST METHOD	FEATURES	Mylar^® ⁽¹⁾	Nomex^®⁽¹⁾	G10 (FR4)⁽²⁾	G11 (FR5)⁽²⁾
D149	Dielectric Strength KV/mm Short Time	15,8	18,0	-29,5÷31,50	21,5
D695	Compressive Strength (MPa)	-	-	448,0	434,0
D638	Tensile Strength (MPa)	69,0	620,0	344,0	290,0
D570	Water Adsorption (%)	0,8	7,0	0,1	0,1
--	Temperature - Operating °C	-50÷150	-50÷230	-150÷150	-75÷200

Note (1): Material available only for sleeves.

Note (2): Material available for retainer, sleeve and washer.

Gasket Pressure range		Sealing Element - Temperature range
ASME Gasket Pressure Range	150÷1500 lbs	PTFE	-200°C÷260°C
API Gasket Pressure Range	2000÷5000 psi	NBR	-40°C÷120°C
PN Gasket Pressure Range	PN2,5÷PN250	FKM	-29°C÷200°C

* The maximum operating temperature of the kit is the lowest among its individual components.

* Customized kits are available with tailored thickness and component materials.