• Twin Parallel Alternating Horizontal Multistage Variable-Speed Constant Pressure System

Twin Parallel Alternating Horizontal Multistage Variable-Speed Constant Pressure System

Model : DMH series

DMH Twin Parallel Alternating Horizontal Multistage Variable-Speed Constant Pressure System


  • Water supply and pressurization (drinking water and water containing trace amounts of chlorine)
  • Apartment
  • General residence
  • Villa water supply
  • Industrial water supply
  • RO water treatment
  • Supermarket

  • Water shortage protection - When the inverter is running without water, it will automatically stop supplying power.
  • Constant pressure regulation - The pressure will not exceed the pressure setting value during use, and the pressure can be maintained within a constant pressure range without fluctuating.
  • Extend pipeline life - Slow start and stop, no water hammer phenomenon.
  • Use water with peace of mind - the main liquid contact surfaces are made of stainless steel to ensure that the water used is clean (rust-free).
  • Parallel Operation - When in use, one unit starts. As water consumption increases, if the single unit cannot meet the set pressure and water consumption, the second unit automatically starts and joins in to compensate. As water consumption decreases, when the single unit can meet the set pressure and water consumption, the second unit automatically stops.
  • Alternating operation - The startup sequence can be alternated according to the set time.
  • Ambient temperature：MAX.+40°C
  • Liquid temperature: Standard shaft seal+4°C~+40°C / Heat-resistant shaft seal+4°C~+80°C
  • Work pressure：max.+1.0Mpa
  • Applicable liquid :
  • Clean, non-flammable and non-explosive liquids free of solid particles or fibers.
  • It transports media such as mineral water, soft water, pure water, edible vegetable oil, and other light chemical media.
  • When the density or viscosity of the liquid being transported is greater than that of water, a high-power motor must be used.
  • Positive pressure water intake (water source higher than pump). If the water tank (water source) is lower than the pump, the suction head should not exceed 3 meters, and a check valve must be installed.
手風琴選單


TYPE POWER PHASE CAPACITY HEAD PRESSURE

CURVE
CODE

HP(kW) ∅ m3/h m Kg/cm2
DMH225-4.75 26 1 (0.75) 1 6 44 3.0 A
DMH225-51.0 26 1¼ (1.0) 1 6 59 4.0 B
DMH225-61.3 26 1¾ (1.3) 1 6 68 5.0 C



TYPE POWER PHASE CAPACITY HEAD PRESSURE CURVE
CODE
HP(kW) ∅  m3/h
 m Kg/cm2
DMH230-2.75 26 1 (0.75) 1 10 21 2.0 D
DMH230-31.0 26 1¼ (1.0) 1 10 31.5 3.0 E
DMH230-41.0 26 1¼ (1.0) 1 10 42 4.0 F
DMH230-51.85 26 2½ (1.85) 1 10
 52.5 5.0 G

TYPE POWER PHASE CAPACITY HEAD PRESSURE CURVE
CODE
HP(kW) ∅ m3/h m Kg/cm2
DMH240-11.0 26 1¼ (1.0) 3 16 18 1.5 H
DMH240-21.5 26M 2 (1.5) 1 / 3 16 28 2.5 I
DMH240-21.85 26 2½ (1.85) 3 16 36 3.5 J
DMH240-32.2 26M 3 (2.2) 3 16
 46 4.5 K

TYPE POWER PHASE CAPACITY HEAD PRESSURE CURVE
CODE
HP(kW) ∅ m3/h m Kg/cm2
DMH240-22.2 26 3 (2.2) 1 20 38 3.0 L
DMH240-33.0 2O 4 (3.0) 3 16 60 4.5 N
DMH240-44.0 2O 5½ (4.0) 3 20 80 5.5 O




TYPE POWER PHASE CAPACITY HEAD PRESSURE CURVE
CODE
HP(kW) ∅ m3/h m Kg/cm2
DMH240-22.2 26M 3 (2.2) 1 24 34 3.5 M
DMH240-23.0 2O 4 (3.0) 3 24 36 3.0 P





TYPE POWER PHASE CAPACITY HEAD PRESSURE CURVE
CODE
HP(kW) ∅ m3/h m Kg/cm2
DMH250-23.0 2O 4 (3.0) 3 32 33 2.0 Q
DMH250-34.0 2O 5½ (4.0) 3 32 52 2.5 R
DMH250-24.0 2O 5½ (4.0) 3 40 34 3.5 S



手風琴選單
TYPE H1 H2 H3 P1 P2
DMH225-4.75 26 118 422 747 1" 1½"
DMH225-51.0 26 118 422 747 1" 1½"
DMH225-61.3 26 133 437 762 1" 1½"
DMH230-2.75 26 118 418 743 1¼" 1½"
DMH230-31.0 26 118 418 743 1¼" 1½"
DMH230-41.0 26 118 418 743 1¼" 1½"
DMH230-51.85 26 133 433 758 1¼" 1½"
DMH240-11.0 26 143 465 790 1¼" 1½"
DMH240-21.5 26M 143 465 790 1½" 2"
DMH240-21.85 26 143 465 790 1½" 2"
DMH240-32.2 26M 143 465 790 1½" 2"
DMH240-22.2 26 143 465 790 1½" 2"
DMH240-22.2 26M 143 465 790 1½" 2"


TYPE L1 H1 H2 H3
EMH225-51.0 26 515 142 261 602
EMH225-61.3 26 578 157 276 617
EMH230-31.0 26 479 142 257 598
EMH230-41.0 26 497 142 257 598
EMH230-51.85 26 547 157 272 589
EMH240-11.0 26 525 167 304 640
EMH240-21.5 26M 540 167 304 645
EMH240-21.85 26 540 167 304 645
EMH240-32.2 26M 540 167 304 645
EMH240-22.2 26 540 167 304 640
EMH240-22.2 26M 540 167 304 645



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