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1351 Park Ave., Suite 104
Redlands, CA USA 92373
(909) 798-9532

A JDA Global Company

Summary of Contents for TRANS-FLO NTG50 Series

Page 1: ...O P E R A T I O N M A N U A L AIR OPERATED DOUBLE DIAPHRAGM PUMPS A JDA Global Company 1 14 rev 3 NTG50 NOMAD TRANS FLO ALUMINUM Models 316 S S Models ...

Page 2: ...de for all applications The information provided is the best thinking available regarding chemical compatibility The guide however does not provide a recommendation 2 Always wear safety glasses during pump operation A diaphragm rupture may force liquid to exit via air exhaust 3 When handling flammable fluids prevent static sparking by properly grounding the pump 4 Do not exceed 125 psig 8 6 bar 5 ...

Page 3: ...LVE BALL BN BUNA N Red Dot FG HYTREL ND EPDM Blue Dot NE NEOPRENE Green Dot SN SANTOPRENE TF PTFE White VT VITON White Dot VALVE SEAT A ALUMINUM BN BUNA N Red Dot FG HYTREL ND EPDM Blue Dot NE NEOPRENE Green Dot S STAINLESS SN SANTOPRENE VT VITON Valve seat o ring required VALVE SEAT O RING TF PTFE White 2 NTG50 XXXX XX XX XX X MODEL VALVE SEAT THREADED CONNECTION VALVE BALLS DIAPHRAGMS AIR VALVE ...

Page 4: ...hes the limit of its discharge stroke the air valve redirects pressurized air to the back side of the diaphragm B The pressurized air forces diaphragm B away from the center block while pulling diaphragm A to the center block Diaphragm B is now on its discharge stroke These same hydraulic forces lift the discharge valve ball off its seat while the opposite discharge valve ball is forced onto its s...

Page 5: ...bar 30 psig head pressure Example To pump 318 lpm 84 gpm against a discharge pressure head of 2 1 bar 30 psig requires 4 1 bar 60 psig and 85 Nm3 h 50 scfm air consumption See dot on chart Caution Do not exceed 8 6 bar 125 psig air supply pressure Flow rates indicated on chart were determined by pumping water For optimum life and performance pumps should be specified so that daily operation parame...

Page 6: ...alled in applications involving flooded suction or suction head pressures a gate valve should be installed in the suction line to permit closing of the line for pump service The NTG50 can be used in submersible applications only when both wetted and non wetted portions are compatible with the material being pumped If the pump is to be used in a submersible application a hose should be attached to ...

Page 7: ...gh pump and out air exhaust 5 Check type of lubricant being used ISO 15 5 wt recommended Pump runs but little or no product flows 1 Check for pump cavitation slow pump speed down to match thickness of material being pumped 2 Check for sticking ball valves If material being pumped is not compatible with pump elastomers swelling may occur 3 Make sure all suction connections are air tight Pump air va...

Page 8: ...7 EXPLODED VIEW RUBBER DIAPHRAGMS NTG50 NOMAD TRANS FLO EXPLODED VIEW PTFE DIAPHRAGMS ...

Page 9: ...Manifold 1 N08 5080 01 30 Diaphragm Neoprene 2 N08 1010 51 31 Valve Ball Neoprene 4 N08 1080 51 32 Valve Seat Neoprene 4 N08 1120 51 33 Large Clamp Band Assembly 2 N08 7300 08 34 Large Carriage Bolt 3 8 16 x 3 4 N08 6120 08 35 Large Hex Nut 3 8 16 4 N08 6420 08 36 Small Clamp Band Assembly 4 N08 7100 08 37 Small Carriage Bolt 5 16 18 x 1 3 8 8 N08 6050 08 38 Small Hex Nut 5 16 18 8 N08 6450 08 Muf...

Page 10: ...NTG50 RUBBER FITTED NTG50 NOMAD TRANS FLO 9 ...

Page 11: ...1010 55 26 Back up Diaphragm 2 N08 1060 51 27 Valve Ball 4 N08 1080 55 28 Valve Seat 4 N08 1121 01 29 Large Clamp Band Assembly 2 N08 7300 08 30 Large Carriage Bolt 1 2 13 x 3 1 2 4 N08 6120 08 31 Large Hex Nut 1 2 13 4 N08 6420 08 32 Small Clamp Band Assembly 4 N08 7100 08 33 Small Hex Head Cap Screw 5 16 18 x 1 3 8 8 N08 6050 08 34 Small Hex Nut 5 16 18 8 N08 6400 08 35 PTFE Valve Seat O Ring 4 ...

Page 12: ...NTG50 NOMAD TRANS FLO NTG50 PTFE FITTED 11 NOTE PTFE diaphragm models assembled with PTFE gasket kit at factory not shown ...

Page 13: ...1351 Park Ave Suite 104 Redlands CA USA 92373 909 798 9532 A JDA Global Company ...

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