Home / Tank Venting / Safety Valve / Safety Valve (Topseal) Type SiT 250.000/260.000 (Bellows)

Safety Valve (Topseal) Type SiT 250.000/260.000 (Bellows)

Tank Venting Flowserve

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Function
Securing the system against overpressure with high tightness as well as during repeated actuation

Application
Chemical plants and nuclear technology

Specifications
Technical Data
Advantages
Industries
Applications
Contact

Specifications

Operating Parameters:

Flows to 565 m³/h (2500 gpm)
Heads to 110 m (350 ft)
Pressures to 17 bar (250 psi)
Temperatures from -30°C (-20°F) to 90°C (200°F)

Shaft Metallurgy Options:

316 SS
Alloy 20
Hastelloy
Titanium

Features:

Full basket strainer
NEMA in-line motor
Fiberglass mounting plate
Tapered “Polygon” impeller drive
“Pull-out” bearing retainers
Level controls

Options:

Simplex and duplex pit covers
Float switches
Particulate separators
Non-metallic lubrication lines
Tailpipe

Technical Data

Engineered Polymer Composite Construction offers cost-effective corrosion-resistance, is lightweight, non-galling, non-sparking, and non-conductive.
Unitized Case with Integrally Molded Flanges at the suction and discharge nozzles, fully gusseted for structural soundness.
Externally Adjustable, Semi-Open Impeller provides consistently high efficiencies and minimizes maintenance.
Shaft/Bearing System operates below the first critical speed for less shaft whip and longer bearing life.
Bearings can be lubricated by external flush or self-lubricated by the pump fluid.
Single-Piece Column is lightweight, filament-wound, reinforced fiberglass composite for strength and rigidity.

Advantages

Lightweight and corrosion-resistant due to engineered polymer composite construction.
High efficiency and minimal maintenance with externally adjustable impeller.
Long bearing life with low shaft whip and flexible lubrication options.
Robust construction with unitized case and reinforced single-piece column.

Industries

Leaching Acid
Chemical and Liquor
Caustic and Chlor-Alkali
Bleach Chemicals
Auxiliary
Acid Transfer
OEM
Water Treatment
Water Supply and Distribution
Wastewater Collection and Treatment
Polymers
Plating, Galvanizing and Other Coatings
Pharmaceuticals
Automotive and Aircraft

Applications

Corrosive Services
General Purpose
Water Treatment
Pulp and Paper
Chemical Processing
Utility
Metal and Steel Industry
Pollution Control
Plating

Contact Us

Contact our Valve Specialist Team

Brendan Merrigan (External) – mob: 087 2598124
Vicki McGrath – tel: 021 461 7207
Brian Barry – tel: 021 461 7211
Tim Quigley – tel: 021 461 7209
Ross O’Donovan – tel: 021 461 7230
Shauna O’Connor – tel: 021 461 7237
Tel: 021 461 7200

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