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Mechanical Diaphragm Metering Pump |
Brochure -SR Type D Pump |
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"D" type mechanical diaphragm metering pumps are suitable for use when the liquid contains small suspended solids and when low to medium pressures are required. The gearbox is a standard worm drive reduction system and is available with either a NEMA 56C motor flange (with or without motor) and also available with an IEC B14 electric motor that meets UNEL-MEC specification. The mechanism for variation of the stroke length is a positive stroke spring return operated by an eccentric. Stroke adjustment can be done manually, electrically (4-20mA; Profibus) and pneumatically. Different multiple head units are available on request.The entire “D” series can be ATEX certified.
Type
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Max. Capacities |
Max. Pressure |
D 050U |
1.27 to 13 GPH |
145 PSI |
D 100U |
14.2 to 99 GPH |
72 PSI |
D 101U |
28.5 to 129 GPH |
116 PSI |
D 121U |
102 to 181 GPH |
43 PSI |
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Higher Pressures Available |
Materials of Construction |
11 |
12 |
13 |
23 |
Pump Head |
S.S.316 |
PP/FRV |
PVC |
PVDF |
Diaphragm |
PTFE/NBR |
PTFE/NBR |
PTFE/NBR |
PTFE/NBR |
Valve seat |
S.S.316 |
PP |
PVC |
PVDF |
Valve ball |
S.S.316 |
PYREX |
PYREX |
PYREX |
Note: Others upon requests. |
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Hydraulic Diaphragm Metering Pump |
Brochure - SR Type B |
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"B" type hydraulic diaphragm metering pumps are suitable for use when the liquid contains small suspended solids, when higher pressures are required and when piston seepage is not acceptable. The gearbox is a standard worm drive reduction system and is available with either a NEMA 56C motor flange (with or without motor) and also available with an IEC B14 electric motor that meets UNEL-MEC specifications. The mechanism for variation of the stroke length is a positive stroke spring return operated by an eccentric. Stroke adjustment can be done manually, electrically (4-20mA; Profibus) and pneumatically. Different multiple head units are available on request. The entire series can be ATEX certified.
Type |
Max Capacities |
Max Pressure |
B 125U |
.47 to 28.5 GPH |
290 PSI |
B 175U |
.82 to 110 GPH |
290 PSI |
B 250U |
33.2 to 290 GPH |
159 PSI |
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Higher Pressures Available |
Materials of Construction |
41 |
43 |
29 |
Pump head |
S.S.316 |
PVC |
PP |
Diaphragm |
PTFE |
PTFE |
PTFE |
Piston |
S.S.420 |
S.S.420 |
S.S.420 |
Piston gasket |
AU/NBR |
AU/NBR |
AU/NBR |
Oil chamber |
All. |
All. |
All. |
Valve seat |
S.S.316 |
PVC |
PP |
Valve ball |
S.S.316 |
PYREX |
PYREX |
Note: Others upon requests. |
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Hydraulic Diaphragm Dosing Pump with Internal Safety Valve |
Brochure - SR Type BR |
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"BR" type hydraulic diaphragm metering pumps are suitable for use when the liquid contains small suspended solids and when piston seepage is not acceptable. A pressure relief valve is included to guarantee diaphragm security when an over pressure situation occurs. The gear box is a standard worm drive reduction system and is available with either a NEMA 56C motor flange (with or without motor) and also available with an IEC B14 electric motor that meets UNEL-MEC specifications. The mechanism for variation of the stroke length is a positive stroke spring return operated by an eccentric. Stroke adjustment can be done manually, electrically (4-20mA; Profibus) and pneumatically. Different multiple head units are available on request. The series can be ATEX certified.
Type |
Max Capacities |
Max Pressure |
BR 125U |
.47 to 28.5 GPH |
195 PSI |
BR 175U |
.82 to 110 GPH |
203 PSI |
BR 250U |
33.2 to 290 GPH |
104 PSI |
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Higher Pressures Available |
Materials of Construction |
41 |
43 |
29 |
Pump head |
S.S.316 |
PVC |
PP |
Diaphragm |
PTFE |
PTFE |
PTFE |
Piston |
S.S.420 |
S.S.420 |
S.S.420 |
Piston gasket |
AU/NBR |
AU/NBR |
AU/NBR |
Oil chamber |
All. |
All. |
All. |
Valve seat |
S.S.316 |
PVC |
PP |
Valve ball |
S.S.316 |
PYREX |
PYREX |
Note: Others upon requests. |
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Sandwich Hydraulic Diaphragm |
Brochure - SR Type SD |
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"SD" type sandwich hydraulic diaphragm metering pumps are suitable for use when the liquid contains small suspended solids and when piston seepage is not acceptable. A pressure relief valve is included to guarantee diaphragm security when an over pressure situation occurs. It also includes a sandwich (double) diaphragm system with rupture detection. The gearbox is a standard worm drive reduction system and is available with either a NEMA 56C motor flange (with or without motor) and also available with an IEC B14 electric motor that meets UNEL-MEC specifications. The mechanism for variation of the stroke length is a positive stroke spring return operated by an eccentric. Stroke adjustment can be done manually, electrically (4-20mA; Profibus) and pneumatically. Different multiple head units are available on request. The entire series can be ATEX certified.
Type |
Max Capacities |
Max Pressure |
SD 125U |
.47 to 28.5 GPH |
195 PSI |
SD 175U |
.82 to 105 GPH |
203 PSI |
SD 250U |
33 to 290 GPH |
104 PSI |
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Higher Pressures Available |
SD 125U High Pressure |
.47 to 28.5 GPH |
580 PSI |
SD 175U High Pressure |
.82 to 105 GPH |
580 PSI |
SD 250U High Pressure |
33 to 290 GPH |
300 PSI |
Materials of Construction |
05 |
03 |
11 |
Pump head |
S.S.316 |
PVC |
PP |
Diaphragm |
PTFE |
PTFE |
PTFE |
Piston |
S.S.420 |
S.S.420 |
S.S.420 |
Piston gasket |
AU/NBR |
AU/NBR |
AU/NBR |
Oil chamber |
All. |
All. |
All. |
Valve seat |
S.S.316 |
PVC |
PP |
Valve ball |
S.S.316 |
PYREX |
PYREX |
Note: Others upon requests. |
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Sandwich Hydraulic Diaphragm |
Brochure - PDP Type SD-I |
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"SD" type sandwich hydraulic diaphragm metering pumps are suitable for use when the liquid contains small suspended solids and when piston seepage is not acceptable. A pressure relief valve is included to guarantee diaphragm security when an over pressure situation occurs. The sandwich (double) diaphragm system includes rupture detection. The PDP series is manufactured according to API standard 675. Stroke adjustment can be done manually, electrically (4-20mA; Profibus) and pneumatically. Accuracy is better than 1% from 10 to 100%. Different multiple head units are available on request. A wide range of liquid end materials are available such as Hastelloy, PTFE, & Alloy 20. The entire series can be ATEX certified.
Type |
Max Capacities |
Max Pressure |
SD I 175 |
.55 to 103 GPH |
162 PSI* |
SD I 250 |
.63 to 494 GPH |
162 PSI |
SD I 350 |
21.8 to 1,112 GPH |
162 PSI |
AP SD I 175 |
.55 to 60 GPH |
464 PSI* |
AP SD I 250 |
.63 to 192 GPH |
928 PSI |
AP SD I 350 |
21.8 to 403 GPH |
649 PSI |
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Higher Pressures Available |
* New item - contact for details.
Materials of Construction |
05 |
03 |
11 |
Pump head |
S.S.316 |
PVC |
PP |
Diaphragm |
PTFE |
PTFE |
PTFE |
Piston |
S.S.420 |
S.S.420 |
S.S.420 |
Piston gasket |
AU/NBR |
AU/NBR |
AU/NBR |
Oil chamber |
All. |
All. |
All. |
Valve seat |
S.S.316 |
PVC |
PP |
Valve ball |
S.S.316 |
PYREX |
PYREX |
Note: Others upon requests. |
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Piston Metering Pump |
Brochure - SR Type A |
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"A" type piston metering pumps are suitable for use when the liquid is a non-abrasive solution and when higher pressures are required. The gearbox is a standard worm drive reduction system and is available with either a NEMA 56C motor flange (with or without motor) and also available with an IEC B14 electric motor that meets UNEL-MEC specifications. The mechanism for variation of the stroke length is a positive stroke spring return operated by an eccentric. Stroke adjustment can be done manually, electrically (4-20 mA; Profibus) and pneumatically. Different multiple head units (duplex/triplex/quadruplex and more) are available on request. The entire series can be ATEX certified.
Type |
Max. Capacities |
Max. Pressure |
A 125U |
.26 to 41 GPH |
290 PSI |
A 175U |
.41 to 103 GPH |
290 PSI |
A 250U |
13 to 283 GPH |
290 PSI |
A 350U |
230 to 395 GPH |
58 PSI |
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AP A 125U |
.41 to 11.7 GPH |
3625 PSI |
AP A 175U |
.35 to 4 GPH |
3625 PSI |
AP A 1 250U |
1 to 7,5 GPH |
3625 PSI |
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Higher Pressures Available |
Materials of Construction |
11 |
13 |
17 |
20 |
32 |
06 |
Pump head |
S.S.316 |
PVC |
S.S.316 |
PVC |
S.S.316 |
PP |
Piston |
S.S.316 |
Ceramic |
Ceramic |
S.S.316 |
S.S.420 |
Ceramic |
Piston gasket |
NBR |
FPM |
FPM |
NBR |
AU |
FPM |
Valve seats |
S.S.316 |
PVC |
S.S.316 |
PVC |
S.S.316 |
PP |
Valve ball |
S.S.316 |
PYREX |
S.S.316 |
PYREX |
S.S.316 |
PYREX |
Note: Others upon requests. |
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Piston Metering Pump |
Brochure - PDP Type A-1 |
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"A - I " type piston metering pumps are suitable for use when the liquid is a non abrasive solution and when higher pressures are required. The PDP series is manufactured according to the API Standard 675. Stroke adjustment can be done manually, electrically (4-20mA; Profibus) and pneumatically. Accuracy is better than 1% from 10 to 100%. Different multiple head units (duplex/triplex/quadruplex and more) are available on request. A wide range of materials like Hastelloy, Alloy 20, and PTFE are available. The entire series can be ATEX certified..
Type |
Max. Capacities |
Max. Pressure |
A - I - 175 |
.25 to 103 GPH |
725 PSI* |
A - I - 250 |
.38 to 435 GPH |
580 PSI |
A - I - 350 |
16 to1004 GPH |
580 PSI |
AP - A - I - 175 |
.41 to 11.7 GPH |
3625 PSI* |
AP - A- I - 250 |
.69 to 43 GPH |
3625 PSI |
AP - A - I - 350 |
6 to 124 GPH |
3625 PSI |
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Higher Pressures Available |
* New item - contact for details.
Materials of Construction |
11 |
13 |
17 |
20 |
32 |
06 |
Pump head |
S.S.316 |
PVC |
S.S.316 |
PVC |
S.S.316 |
PP |
Piston |
S.S.316 |
Ceramic |
Ceramic |
S.S.316 |
S.S.420 |
Ceramic |
Piston gasket |
NBR |
FPM |
FPM |
NBR |
AU |
FPM |
Valve seats |
S.S.316 |
PVC |
S.S.316 |
PVC |
S.S.316 |
PP |
Valve ball |
S.S.316 |
PYREX |
S.S.316 |
PYREX |
S.S.316 |
PYREX |
Note: Others upon requests. |
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