Résumé produitThe non-self-priming, multistage Wilo-Medana CH1-L reaches maximum hydraulic output. Its compact and robust design with corrosion-resistant components enables drinking water application and use in ambient temperatures up to 50 °C. The UL-certified pump offers a very wide field of applications for integration into larger systems.
Points clés- High efficiency thanks to high hydraulic output
- Quick and easy commissioning/maintenance thanks to large openings for filling and draining pumps
- Highly reliable and robust with low noise emissions thanks to neck ring and corrosion-resistant lantern with cataphoretic coating
- Suitable for use in ambient temperatures of up to 50 °C and expanded field of application especially for system integration
- Suitable for drinking water applications
- Compliant to UL certificate
Product features- Compact design
- Material with media contact in stainless steel
- Cataphoretic lantern
- Big diameter for filling and emptying
- Reinforced pump feet with direct access for screw fixing
- Option: quick connection hydraulics interfaces
Applications- Water distribution and boosting
- Irrigation
- Industrial process
Equipment / Functions- Stainless steel in monobloc design
- Threaded connection
- Single-phase or three-phase AC motor
- Single-phase AC motor equipped with built-in thermal motor protection (with automatic restart)
Type keyExample: Wilo-MEDANA CH1-L.202-1/E/A/10T/QQ
MEDANA = Family name surface pump
CH = Commercial Horizontal
1 = Series level (1 = entry, 3 = standard, 5 = premium)
L = Long shaft
2 = Nominal volume flow [m³/h] of the single pump
02 = Number of single pump stages
1 = 1.4301 (AISI 304)
2 = 1.4404 (AISI 316L)
E = EPDM seal
A = frequency 50 Hz / single-phase / 230 V (other frequency/voltage codes: B, C, D, E, F, G, I as per product coding)
10 = Nominal pressure (bar)
T = threaded connections (other hydraulic connection codes: C = Tri-clamp, N = union nuts, P = Victaulic connections)
QQ = Mechanical seal type Q7
Technical data- Mains connection: 1~230 V (±10%), 50 Hz; or 3~230–400 V (±10%), 50 Hz; variants for 60 Hz also available
- Fluid temperature: -20 to +120 °C (EPDM), -20 to +90 °C (FKM)
- Max. operating pressure: 10 bar
- Max. inlet pressure: 6 bar
- IP rating: IPX5
- Nominal diameter of pipe connections: from G1” to G2” depending on type
Materials- Impellers, stage chambers and pump housing made of 1.4301 / 1.4404 stainless steel
- Shaft: 1.4301 or 1.4404 stainless steel
- Seal: EPDM or FKM (Viton)
- Mechanical seal: EPDM version: B - carbon/silicon carbide; FKM version: B - carbon/silicon carbide
- Bearing: tungsten carbide / aluminum oxide
- Pump base: aluminum
Scope of delivery- Pump
- Installation and operating instructions
caractéristiques / spécifications techniques- Design: non-self-priming horizontal multistage pump (monobloc)
- Series: Medana CH1-L (long shaft)
- Motor options: single-phase and three-phase AC; single-phase with built-in thermal motor protection
- Materials in contact with fluid: stainless steel 1.4301 / 1.4404
- Seal options: EPDM / FKM
- Mechanical seal type: Q7 (Q7Q7 etc.)
- Max. nominal pressure: 10 bar
- Ambient temperature suitability up to 50 °C
- Certification: UL-certified (and multiple regional conformity documents available)