Coaxial pneumatic valve 2/2 way 0-64 Bar Brass + Stainless steel 1/2, 3/4, 1, 11/4 (28020) DN20
£329.28
£772.22 incl. VATDescription
Coax air pilot valve 2 way 0-64 Bar DN20 RSG 28020
Function: 2/2 way normally closed, option normally open
Operation: air pilot control 3 to 8 Bar 1/4 BSP and Namur interface
Pressure: 0 to 64 Bar (0 to 16 Bar reverse flow)
Orifice: 20.0mm
Kv flow factor: 145 L/min
Port sizes: 1/2, 3/4, 1 or 11/4 BSP thread, option NPT or flange
Body: Brass, option stainless steel 303 or 316L
Internals: stainless steel 316L
Media: Fluids under 500 CST and gases compatible with materials of construction.
Media temperature: -10°C to +100°C
Fluid Seals: FKM and PTFE, option EPDM.
Water Seals: UHMW Polyethylene. Excellent wear and abrasion resistance. Very good lubricity in water based media. The special sharp-edged shape of the dynamic seal has a stripping effect on the piston/plunger that removes limescale + debris. Max +80°C
Gaseous Seals: Fluoroloy® A21. Excellent wear resistant material, low friction, broad chemical compatibility and provides perfect tightness performance with gaseous media. Max +80°C.
Options: normally closed 280A20, normally open 280B20, mounting brackets, inductive open and/or closed position switches with LED + 2mtr cable, oil and grease free, modular manifold systems and custom solutions.
Technical Specification
Brand: RSG regel-und steuergeräte gmbh
Model: 28020
Width: 80.00 mm
Height: 80.00 mm
Depth: 215.00 mm
Weight: 4.00 kg
Valve / Product Type: Air Actuated, Coaxial
Body Material: Brass, Stainless Steel
Port Size: 1 thread, 1/2 thread, 11/4 thread, 3/4 thread
Function: 2/2 Normally Closed, 2/2 Normally Open
Operation: Direct Acting
Pressure Maximum: 0.02 Bar (20 mBar), 0.1 Bar (100 mBar), 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, 8.5 Bar, 9 Bar, 10 Bar, 12 Bar, 13 Bar, 14 Bar, 15 Bar, 16 Bar, 17 Bar, 18 Bar, 20 Bar, 25 Bar, 30 Bar, 35 Bar, 40 Bar, 50 Bar, 60 Bar, 64 Bar
Seals: EPDM, NBR, PTFE (Teflon), FKM (Viton)
Media: Air, Fluid (Non Aggressive), Fluid (Slight Acid/Alkali), Gases (Non Aggressive), Oils + Fuels 50cSt Max, Fluid Thick 51>500cSt, Vacuum (High), Vacuum (Low), Vacuum (Medium), Water, Water (RO/Pure/Demin)
Options required: Bi-Directional Flow, Degreased, Manifold, Manual Override, Mounting Bracket, Mounting Holes, Position Feedback Closed, Position Feedback Open+Closed
Orifice: 20mm