Standard seals

Manholes and Access Covers, seals and gaskets

O-Ring Profile seals

O-rings for manholes under pressure, and without pressure, adapted to aseptic environment
Ø 8 for Manholes DN150, 200, 300, 350, 400, 460, 500, 600, 700 > on request

Square Profil

Square profil, for manholes and pressure inspection hatches
for Manholes DN200, 300, 350, 400, 460, 500, 600, 700, 900 > on request

Lip seated profil seal (on the Manhole neck)

Lip seals, for aseptic visit hatches
for Manholes DN200, 220, 300, 400, 420, 430, 450, 500, 600, 900, 1000 et 1200 > on request

HALF-ROUND profile seal (for inside access Manhole in mm, form … to …)

Half-round seals for oval or rectangular doors, and pressureless stainless steel inspection hatches to be welded or sealed.

Chemical group	ISO 1692	Maximum temperature (°C)	F.D.A certificate following 21 CFR 177.2600	Regulation 1935/2004/CE	USP certificate 26 class VI	Seal color
Ethylene propylene diene monomer	EPDM	-40/+150°C	✔	✔	-	White
Nitrile butadienne rubber	NBR	-30/+100°C	✔	✔	-	Green
Fluorinated propylene monomer	FPM (Viton*)	-20/+200°C	✔	✔+BNIC	-	Black
Organic Silicon Polymer	VQM-SILICON	-60/+200°C	✔	✔	✔	Red
Steam Silicon	VQM-SILICON	-60/+200°C (250°C in peak)	✔	-	-	Yellow
Fluorinated ethylene propylene	Fluoropolymer FEP (SILICON/FPM)	-50/+200°C	✔	✔	✔	Red / Black

*Viton® is a registered trademark of DuPont Performance Elastomers