Coax solenoid valve 2/2 40Bar Brass Stainless 1/2-11/4 DN20
£465.27
Description
Coaxial Solenoid Valve 2-Way DN20 – RSG 27020
High-flow, industrial 2/2 way solenoid valve engineered for fluids and gases up to 40 Bar, with advanced sealing options and versatile electrical configurations.
Key Features
→ Function: 2/2 way normally closed, option normally open
→ Operation: Direct acting
→ Body Material: Brass standard, optional nickel-plated brass, stainless steel 303 or 316L
→ Internals: 316L stainless steel
→ Pressure Range: 0–40 Bar (0–16 Bar reverse flow)
→ Orifice: 20 mm, Kv = 145 L/min
→ Port Sizes: 1/2, 3/4, 1 or 1 1/4 BSP; optional NPT or flange
Media Compatibility
→ Fluids under 500 cSt and compatible gases
→ Media temperature: -10°C to +100°C
Seal Options
Fluid Seals: FKM + PTFE (options NBR or EPDM)
Water Seals: UHMW Polyethylene – wear-resistant, excellent lubricity, max +80°C, removes limescale & debris
Gaseous Seals: Fluoroloy® A21 – wear-resistant, low friction, chemical compatible, max +80°C
Oxygen: BAM-approved FKM + PTFE, oil/grease free, special oxygen grease, max +60°C at 20–40 Bar
Vacuum: PTFE, leakage < 10⁻⁶ mbar·L/s
High leak-tightness: 10⁻⁵ mbar·L/s after special cleaning, seat treatment, and helium tightness test
Electrical & Coil
→ Voltages: 12 VDC, 24 VDC, 24 VAC, 110 VAC, 230 VAC (custom voltages available)
→ Coil: DIN 43650A, IP65, 100% duty rated, connector included
→ 24 VDC PWM option reduces holding power by up to 80%, improving energy efficiency and thermal stability
Optional Features
→ 270A20 normally closed, 270B20 normally open
→ Oil/grease-free construction
→ Manual override
→ Inductive open/closed position switches with LED + 2 m cable
→ Various DIN connectors or aluminium terminal box
→ Mounting brackets and modular sub-base systems
Approvals & Certification
→ TÜV, DGVM
HS Code: 84818079
Applications: Suitable for industrial automation, fluid control, oxygen systems, vacuum, and high-flow processes requiring extremely reliable operation, tight sealing, and versatile material options.
This DN20 valve delivers higher flow than DN10 or DN15 models, with orifice 20 mm and Kv 145 L/min, making it ideal for larger-volume air or fluid systems while maintaining exceptional precision and reliability.
Technical Specification
Brand: RSG regel-und steuergeräte gmbh
Model: 27020
Width: 80.00 mm
Height: 123.50 mm
Depth: 215.00 mm
Weight: 6.00 kg
Valve / Product Type: Coaxial Valve, Solenoid Valve
Body Material: Brass, Stainless Steel
Voltage: 110vAC, 110vDC, 12vAC, 12vDC, 200vDC, 230VAC, 24vAC, 24vDC, 48vAC, 48vDC
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
Seals: EPDM, NBR, PTFE (Teflon), FKM (Viton)
Approval: ATEX,WRAS,IP etc: IP65
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
Pressure: Vacuum, 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
