Sight Glass

Part #: SG-100-EP/00EP


1″ Triclamp Sight Glass, ASME BPE, EPDM Seal, Electropolish

SKU: 0e2ee7c97493 Category:

The SG Series sight glasses combine 316L stainless steel end connections with a toughened borosilicate viewing glass making them suitable for both clean-in-place (CIP) and sterilization-in-place (SIP) operations. Standard units are available in 1/2″ to 4″ sizes with Tri-clamp® compatible connections. Alternative sizes and connection types can also be supplied.

Part #: SG-100-EP/00EP


• Full bore flow path
• Large viewing area
• Compact design
• Metal stop provides ideal o-ring compression and prevents pipe torque from affecting glass
• Suitable for CIP and SIP
• SF1, 20 Ra μin mechanical polish, (0,5 μm Ra) standard

Sizes: 1/2″, 3/4″, 1″, 1-1,2″, 2″, 2-1/2″, 3″, 4″

End Connections
• Tri-clamp® compatible

Materials of Construction
• Body – 316L Stainless Steel
• End fitting – 316L Stainless Steel
• Glass – Borosilicate
• Seals – EPDM, Viton, Silicone FEP-Silicone, orPerlast (FFKM) (all FDA and USP VI compliant)

Surface Finish
• Internal – SF1; 20 Ra μin (0,5 μm) mechanical finish, Electropolish optional
• External – 32 Ra μin (0,8 μm) mechanical finish

Operating Conditions
• Maximum operating pressure – 145 psig (10 barg)
• Maximum allowable temperature with EPDM seals – 175°F (135°C)
• Maximum allowable temperature with Silicone, Viton or FEP Silicone seals – 392 F (200 C)
• Maximum allowable temperature with Perlast seals: 401°F (205°C), including continuous steam service up to 145 psig (10 bar)

Minimum Temps:
• EDPM: -40°F (-40°C); Silicone: -76°F (-60°C); Viton: -4°F (-20°C)

• DIN, ISO & SMS sizes available upon request
• Electropolished finishes
• Perforated viewing tube
• Alternative lengths / weld end connections


• Where applicable, all sight glass models comply with ASME BPE criteria
• All sight glass models are CE compliant under the SEP category of the PED directive
• All seal materials are FDA and USP Class VI compliant