DN50-200 Ductile iron pressure sustaining valve 0.2-8 Bar
£560.68
Description
Flanged Pressure Sustaining Valve – Ductile Iron, Z-Tide Industrial Series BFS
Precision back pressure valve with external pilot control, engineered for reliable upstream pressure maintenance in demanding industrial water and fluid systems.
Key Features
→ Function: Pressure sustaining (back pressure) valve with external pilot
→ Port / Flange Sizes: DN50 – DN200 PN16; optional ANSI 150Lb or JIS10K flange
→ Inlet Pressure: 20 Bar max; tested to 32 Bar
→ Back Pressure Adjustment Range: 0.5 – 4 Bar or 2 – 8 Bar, displayed via included stainless steel pressure gauge
→ Media Temperature: -15°C to +80°C
Materials & Construction
→ Body: Ductile iron with epoxy coating
→ Internals: Bronze, brass, and stainless steel
→ Seals: NBR standard, optional Viton
→ Media Compatibility: Water and fluids under 50 CST compatible with construction materials
Performance & Design
→ Maintains a pre-set upstream pressure regardless of downstream demand or flow fluctuations
→ Unique U-ring sealing ensures long, maintenance-free operation
→ Piston design provides highest flow capacity size-for-size compared with other BPV valves on the market
Applications
→ Industrial water systems requiring constant upstream pressure
→ Process lines where pressure stability is critical for upstream equipment
→ High-flow industrial fluid control in chemical, food, and utility applications
Technical Specification
Brand: Z-Tide Co Ltd
Model: BFS-D
Width: 95.00 mm
Height: 95.00 mm
Depth: 190.00 mm
Weight: 12.00 kg
Valve / Product Type: Pressure Sustaining
Body Material: Ductile Iron
Port Size: 4 inch Flange DN100 , 5 inch Flange DN125 , 6 inch Flange DN150 , 8 inch Flange DN200 , 10 inch Flange DN250, 12 inch Flange DN300 , 14 inch Flange DN350 , 16 inch Flange DN400 , 18 inch Flange DN450 , 2 inch Flange DN50, 20 inch Flange DN500 , 21/2 inch Flange DN65 , 3 inch Flange DN80
Operation: Pressure Assisted
Pressure: 0.2 Bar (200 mBar), 0.3 Bar (300 mBar), 0.4 Bar (400 mBar), 0.5 Bar (500 mBar), 0.6 Bar (600 mbar), 0.7 Bar (700 mBar), 0.8 Bar (800 mBar), 1 Bar, 1.2 Bar, 1.3 Bar, 1.4 Bar, 1.5 Bar, 1.6 Bar, 2 Bar, 2.5 Bar, 3 Bar, 3.5 Bar, 4 Bar, 4.5 Bar, 5 Bar, 5.5 Bar, 6 Bar, 6.5 Bar, 7 Bar, 7.5 Bar, 8 Bar
Seals: NBR, FKM (Viton)
Media: Fluid (Non Aggressive), Water
Options required: Anti Water Hammer
Orifice: 125mm, 150mm, 200mm, 250mm, 300mm, 350mm, 400mm, 450mm, 500mm, 50mm, 65mm, 80mm
