DWYER – Series MTF Multitube Flow System

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Description

Series MTF Multitube Flow System

Customize to Fit Application, 65 mm or 150 mm Variable Area Flow Tubes

Customize flow systems to meet application requirements. Systems can be configured with up to six different flow tubes with various flow capacities and flow patterns. The Series MTF Multitube Flow Systems are ideal for multichannel metering, mixing, or monitoring applications.

To Customize your flow system:

  1. Determine the flow pattern required for the application.
  2. Select a 65 mm or 150 mm frame, along with the appropriate number of tubes required, flow pattern, and wetted parts. Choose a 150 mm Gas Proportioner Frame (Series MTP) to blend the 2 or 3 gases at required concentrations. Gas proportioner frames are typically used at 50 psi.
  3. Choose the appropriate 65 mm or 150 mm correlated flow tubes, for air or water.
  4. Select a valve cartridge if desired that matches the range of the flow tube.

 

 

Specifications

  • Scales: Universal 65 mm or 150 mm scales with correlation charts.
  • Accuracy:
  • Accuracy: *Correlated Flow Tubes: +/- 2% FS @ 70 deg F (21.1 deg C) and 14.7 psia (1 atm absolute);
  • Direct Reading Flow Tubes: +/- 5% FS @ 70 deg F (21.1 deg C) and 14.7 psia (1 atm absolute).
  • *Models FT-61, FT-62, FT-123, and FT-124 have an accuracy of +/- 5% FS @ 70 deg F (21.1 deg C) and 14.7 psia (1 atm absolute).
  • Repeatability: ±0.25% of scale reading.
  • Turn-down Ratio: 10:1, 20:1 with combinations of two floats installed in meter.
  • Maximum Operating Pressure: 200 psig (13.8 bar).
  • Maximum Operating Temperature: 250°F (121°C).
  • Mounting: Vertical.
  • Connection: 1/8″ female NPT.
  • Flowtube: Borosilicate glass.
  • Float: 316 stainless steel or black glass as indicated.
  • Float Stops: PTFE.
  • End Fittings: Anodized Aluminum or 316 stainless steel.
  • Front Shield: Polycarbonate.
  • Side Panels: Black, anodized aluminum.
  • O-rings: Buna-N on aluminum models and Fluoroelastomer on stainless steel models.
  • Wetted Parts:
  • 6-turn Valves: For Aluminum Frames: aluminum body, 316 SS spindle, Acetal orifice, Buna-N o-rings; For 316 SS Frames: 316 SS body, 316 SS spindle, PCTFE orifice, fluoroelastomer o-rings. 16-turn Valves: For Aluminum Frames: brass body, 316 SS spindle, PCTFE orifice, Buna-N o-rings; For 316 SS Frames: 316 SS body, 316 SS spindle, PCTFE orifice, fluoroelastomer o-rings.
  • Valve Cartridges
    For metering or mixing applications, complete your multitube flow system by selecting a valve cartridge suitable for the flow range. Choose a standard 6-turn valve or high precision 16-turn valve.

 

 

Models & Ordering

65 MM Frames

Model Description
MTF-1621 65 mm frame, isolated pattern, 2 tube capacity, aluminum wetted parts.
MTF-1622 65 mm frame, common pattern, 2 tube capacity, aluminum wetted parts.
MTF-1631 65 mm frame, isolated pattern, 3 tube capacity, aluminum wetted parts.
MTF-1632 65 mm frame, common pattern, 3 tube capacity, aluminum wetted parts.
MTF-1641 65 mm frame, isolated pattern, 4 tube capacity, aluminum wetted parts.
MTF-1642 65 mm frame, common pattern, 4 tube capacity, aluminum wetted parts.
MTF-1651 65 mm frame, isolated pattern, 5 tube capacity, aluminum wetted parts.
MTF-1652 65 mm frame, common pattern, 5 tube capacity, aluminum wetted parts.
MTF-1661 65 mm frame, isolated pattern, 6 tube capacity, aluminum wetted parts.
MTF-1662 65 mm frame, common pattern, 6 tube capacity, aluminum wetted parts.
MTF-2621 65 mm frame, isolated pattern, 2 tube capacity, 316 SS wetted parts.
MTF-2622 65 mm frame, common pattern, 2 tube capacity, 316 SS wetted parts.
MTF-2631 65 mm frame, isolated pattern, 3 tube capacity, 316 SS wetted parts.
MTF-2632 65 mm frame, common pattern, 3 tube capacity, 316 SS wetted parts.
MTF-2641 65 mm frame, isolated pattern, 4 tube capacity, 316 SS wetted parts.
MTF-2642 65 mm frame, common pattern, 4 tube capacity, 316 SS wetted parts.
MTF-2651 65 mm frame, isolated pattern, 5 tube capacity, 316 SS wetted parts.
MTF-2652 65 mm frame, common pattern, 5 tube capacity, 316 SS wetted parts.
MTF-2661 65 mm frame, isolated pattern, 6 tube capacity, 316 SS wetted parts.
MTF-2662 65 mm frame, common pattern, 6 tube capacity, 316 SS wetted parts.

 

65 MM Direct Reading Flowtubes

Model Description
FT-741 65 mm direct reading flow tube, max. flow rate .60 SCFM air, carboloy float.
FT-743 65 mm direct reading flow tube, max. flow rate 2.2 SCFH air, glass float.
FT-746 65 mm direct reading flow tube, max. flow rate 6.0 SCFH air, glass float.
FT-748 65 mm direct reading flow tube, max. flow rate 10.0 SCFH air, 316 SS float.
FT-750 65 mm direct reading flow tube, max. flow rate 18.0 SCFH air, 316 SS float.
FT-752 65 mm direct reading flow tube, max. flow rate 25.0 SCFH air, 316 SS float.
FT-753 65 mm direct reading flow tube, max. flow rate 50.0 SCFH air, 316 SS float.
FT-754 65 mm direct reading flow tube, max. flow rate 90.0 SCFH air, 316 SS float.

 

65 MM Correlated Flowtubes

Model Description
FT-61 65 mm correlated flow tube, max. flow rate 6 mL/min air (0.07 mL/min water), glass float.
FT-611 65 mm correlated flow tube, max. flow rate 1249 mL/min air (27 mL/min water), glass float.
FT-612 65 mm correlated flow tube, max. flow rate 2520 mL/min air (71 mL/min water), 316 SS float.
FT-613 65 mm correlated flow tube, max. flow rate 2040 mL/min air (40 mL/min water), glass float.
FT-614 65 mm correlated flow tube, max. flow rate 3990 mL/min air (108 mL/min water), 316 SS float.
FT-617 65 mm correlated flow tube, max. flow rate 6318 mL/min air (147 mL/min water), glass float.
FT-618 65 mm correlated flow tube, max. flow rate 12058 mL/min air (364 mL/min water), 316 SS float.
FT-62 65 mm correlated flow tube, max. flow rate 17 mL/min air (0.28 mL/min water), 316 SS float.
FT-621 65 mm correlated flow tube, max. flow rate 23168 mL/min air (522 mL/min water), glass float.
FT-622 65 mm correlated flow tube, max. flow rate 42094 mL/min air (1261 mL/min water), 316 SS float.
FT-63 65 mm correlated flow tube, max. flow rate 49 mL/min air (0.55 mL/min water), glass float.
FT-64 65 mm correlated flow tube, max. flow rate 145 mL/min air (2.38 mL/min water), 316 SS float.
FT-67 65 mm correlated flow tube, max. flow rate 202 mL/min air (2.6 mL/min water), glass float.
FT-68 65 mm correlated flow tube, max. flow rate 522 mL/min air (12.0 mL/min water), 316 SS float.

 

150 MM Frames

Model Description
MTF-1121 150 mm frame, isolated pattern, 2 tube capacity, aluminum wetted parts.
MTF-1122 150 mm frame, common pattern, 2 tube capacity, aluminum wetted parts.
MTF-1131 150 mm frame, isolated pattern, 3 tube capacity, aluminum wetted parts.
MTF-1132 150 mm frame, common pattern, 3 tube capacity, aluminum wetted parts.
MTF-1141 150 mm frame, isolated pattern, 4 tube capacity, aluminum wetted parts.
MTF-1142 150 mm frame, common pattern, 4 tube capacity, aluminum wetted parts.
MTF-1151 150 mm frame, isolated pattern, 5 tube capacity, aluminum wetted parts.
MTF-1152 150 mm frame, common pattern, 5 tube capacity, aluminum wetted parts.
MTF-1161 150 mm frame, isolated pattern, 6 tube capacity, aluminum wetted parts.
MTF-1162 150 mm frame, common pattern, 6 tube capacity, aluminum wetted parts.
MTF-2121 150 mm frame, isolated pattern, 2 tube capacity, 316 SS wetted parts.
MTF-2122 150 mm frame, common pattern, 2 tube capacity, 316 SS wetted parts.
MTF-2131 150 mm frame, isolated pattern, 3 tube capacity, 316 SS wetted parts.
MTF-2132 150 mm frame, common pattern, 3 tube capacity, 316 SS wetted parts.
MTF-2141 150 mm frame, isolated pattern, 4 tube capacity, 316 SS wetted parts.
MTF-2142 150 mm frame, common pattern, 4 tube capacity, 316 SS wetted parts.
MTF-2151 150 mm frame, isolated pattern, 5 tube capacity, 316 SS wetted parts.
MTF-2152 150 mm frame, common pattern, 5 tube capacity, 316 SS wetted parts.
MTF-2162 150 mm frame, common pattern, 6 tube capacity, 316 SS wetted parts.

 

150 MM Gas Proportioner Frames

Model Description
MTP-113 150 mm gas proportioner frame, 3 tube capacity, aluminum wetted parts.
MTP-212 150 mm gas proportioner frame, 2 tube capacity, 316 SS wetted parts.
MTP-213 150 mm gas proportioner frame, 3 tube capacity, 316 SS wetted parts.

 

150 MM Direct Reading Flowtubes

Model Description
FT-242 150 mm direct reading flow tube, max. flow rate 1.50 SCFM air, 316 SS float.
FT-244 150 mm direct reading flow tube, max. flow rate 2.50 SCFH air, carboloy float.
FT-245 150 mm direct reading flow tube, max. flow rate 5.00 SCFH air, glass float.
FT-247 150 mm direct reading flow tube, max. flow rate 8.25 SCFH air, glass float.
FT-248 150 mm direct reading flow tube, max. flow rate 10.0 SCFH air, 316 SS float.
FT-249 150 mm direct reading flow tube, max. flow rate 16.5 SCFH air, 316 SS float.
FT-251 150 mm direct reading flow tube, max. flow rate 23.0 SCFH air, carboloy float.
FT-253 150 mm direct reading flow tube, max. flow rate 50.0 SCFH air, glass float.
FT-254 150 mm direct reading flow tube, max. flow rate 90.0 SCFH air, 316 SS float.
FT-255 150 mm direct reading flow tube, max. flow rate 94.0 SCFH air, 316 SS float.

 

150 MM Correlated Flowtubes

Model Description
FT-123 150 mm correlated flow tube, max. flow rate 19 mL/min air (0.19 mL/min water), glass float.
FT-124 150 mm correlated flow tube, max. flow rate 61 mL/min air (0.94 mL/min water), 316 SS float.
FT-125 150 mm correlated flow tube, max. flow rate 49 mL/min air (0.53 mL/min water), glass float.
FT-126 150 mm correlated flow tube, max. flow rate 137 mL/min air (2.45 mL/min water), 316 SS float.
FT-127 150 mm correlated flow tube, max. flow rate 92 mL/min air (0.90 mL/min water), glass float.
FT-128 150 mm correlated flow tube, max. flow rate 264 mL/min air (4.70 mL/min water), 316 SS float.
FT-129 150 mm correlated flow tube, max. flow rate 374 mL/min air (5.50 mL/min water), glass float.
FT-130 150 mm correlated flow tube, max. flow rate 814 mL/min air (20.4 mL/min water), 316 SS float.
FT-133 150 mm correlated flow tube, max. flow rate 2313 mL/min air (54 mL/min water), glass float.
FT-134 150 mm correlated flow tube, max. flow rate 4562 mL/min air (130 mL/min water), 316 SS float.
FT-137 150 mm correlated flow tube, max. flow rate 8676 mL/min air (210 mL/min water), glass float.
FT-138 150 mm correlated flow tube, max. flow rate 16737 mL/min air (506 mL/min water), 316 SS float.
FT-139 150 mm correlated flow tube, max. flow rate 22536 mL/min air (541 mL/min water), glass float.

 

Standard Valve 6-turn – Aluminum

Model Description
FV-11 Standard valve, 6-turn, flow rate 0-5000 mL/min air (0-125 mL/min water).
FV-12 Standard valve, 6-turn, flow rate 5001-10000 mL/min air (126-325 mL/min water).
FV-13 Standard valve, 6-turn, flow rate 10001 and above mL/min air (326 and above mL/min water).

 

Standard Valve 6-turn – SS

Model Description
FV-21 Standard valve, 6-turn, flow rate 0-5000 mL/min air (0-125 mL/min water).
FV-22 Standard valve, 6-turn, flow rate 5001-10000 mL/min air (126-325 mL/min water).
FV-23 Standard valve, 6-turn, flow rate 10001 and above mL/min air (326 and above mL/min water).

 

High Precision Valve 16-turn – Aluminum

Model Description
FVH-11 High precision valve, 16-turn, flow rate 0-200 mL/min air (0-6 mL/min water).
FVH-12 High precision valve, 16-turn, flow rate 201-400 mL/min air (7-12 mL/min water).
FVH-13 High precision valve, 16-turn, flow rate 401-1000 mL/min air (13-26 mL/min water).
FVH-14 High precision valve, 16-turn, flow rate 1001-2500 mL/min air (27-80 mL/min water).
FVH-15 High precision valve, 16-turn, flow rate 2501-6200 mL/min air (81-200 mL/min water).
FVH-16 High precision valve, 16-turn, flow rate 6201 and above mL/min air (201 and above mL/min water).

 

High Precision Valve 16-turn – SS

 

Model Description
VA81 High precision valve, 16-turn, flow rate 0-200 mL/min air (0-6 mL/min water).
VA82 High precision valve, 16-turn, flow rate 201-400 mL/min air (7-12 mL/min water).
VA83 High precision valve, 16-turn, flow rate 401-1000 mL/min air (13-26 mL/min water).
VA84 High precision valve, 16-turn, flow rate 1001-2500 mL/min air (27-80 mL/min water).
VA85 High precision valve, 16-turn, flow rate 2501-6200 mL/min air (81-200 mL/min water).
VA86 High precision valve, 16-turn, flow rate 6201 and above mL/min air (201 and above mL/min water).

 

Additional information

Model

MTF-1621, MTF-1622, MTF-1631, MTF-1632, MTF-1641, MTF-1642, MTF-1651, MTF-1652, MTF-1661, MTF-1662, MTF-2621, MTF-2622, MTF-2631, MTF-2632, MTF-2641, MTF-2642, MTF-2651, MTF-2652, MTF-2661, MTF-2662, FT-741, FT-743, FT-746, FT-748, FT-750, FT-752, FT-753, FT-754, FT-61, FT-611, FT-612, FT-613, FT-614, FT-617, FT-618, FT-62, FT-621, FT-622, FT-63, FT-64, FT-67, FT-68, MTF-1121, MTF-1122, MTF-1131, MTF-1132, MTF-1141, MTF-1142, MTF-1151, MTF-1152, MTF-1161, MTF-1162, MTF-2121, MTF-2122, MTF-2131, MTF-2132, MTF-2141, MTF-2142, MTF-2151, MTF-2152, MTF-2162, MTP-113, MTP-212, MTP-213, FT-242, FT-244, FT-245, FT-247, FT-248, FT-249, FT-251, FT-253, FT-254, FT-255, FT-123, FT-124, FT-125, FT-126, FT-127, FT-128, FT-129, FT-130, FT-133, FT-134, FT-137, FT-138, FT-139, FV-11, FV-12, FV-13, FV-21, FV-22, FV-23, FVH-11, FVH-12, FVH-13, FVH-14, FVH-15, FVH-16, VA81, VA82, VA83, VA84, VA85, VA86