COLOSSUS C50 Rotating Welded Metal Bellows Seal for Low Temperature

Rotating welded metal bellows seal for low temperature service. Connection dimensions comply with DIN 24960 and GB 6556, for standard centrifugal pumps and other rotating shaft equipment. The 45 degree wave profile lowers stress peaks and spreads the stress at the inner weld to prevent early failure, keeping good face tracking. An O-ring is used only as a static seal.

Key features

• Standardized design to DIN 24960 and GB 6556
• Welded metal bellows: good dynamic performance, wide adaptability
• O-ring static seal, simple and reliable
• Set screw positioning
• Corrosion-resistant design

Technical data

Materials

• Seal faces: Antimony or resin-impregnated graphite against silicon carbide or tungsten carbide
• Bellows: Cr-Ni steel, Cr-Ni-Mo steel or precipitation hardened steel
• Metal parts: Chrome steel or high nickel alloy
• Secondary seals: IIR, FKM, PTFE or FFKM

Other material combinations are available on request for specific media.

Applications

• Oil and gas, shale oil and gas
• Chemical and pharmaceutical
• Metallurgy
• Nuclear power and marine
• Water treatment
• Food

Standards

Reference standards listed by the manufacturer: API Std 682, JB/T 4127, JB/T 8723. Certificates and test reports are provided with the quotation where applicable.

Supplied on quotation and configured to your requirements (size, materials, operating conditions). Manufacturer data sheet and dimension tables available on request.