Enviro Solutions
NAVIGATION
Industrial Wastewater Treatment Chemicals
E-Mail: sales@envirosolutions.com
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EnviroSolutions
A Division of LST Industries L.L.C.
7439 Hunters Land San Antonio TX 78249
Phone: 210-696-6300 Fax: 210-888-9668


Air Operated Diaphragm Pumps

Chemical Feed Pumps

Air Operated Diaphragm Sludge Pumps

Transfer Pumps

Specialty Pumps

How To Choose Your Pump According to Chemical

Instruction Manual for metering pumps PDF


Seal less, inexpensive, quick delivery, reliable pumps for demanding
chemical applications such as plating shops and strong acids and caustics.
Click on image thumbnails to enlarge.

Non-Metallic Pumps

1 and a half inch pump
2 inch non metallic pump
1" Non-Metallic Pump Image
1-1/2" Non-Metallic Pump Image
2" Non-Matallic Pump Image

Models 1/2" 1" 1-1/2" 2"
Max Flow
GPM (LPM)
14.4 (54.5) 53(200) 123 (465) 184 (696)

Max Discharge Pressure
PSI(BAR)

100 (6.9) 120 (8.3) 120 (8.3) 120 (8.3)
Fluid Ports Inlet/Outlets (BSP) 1/2 - 18 N.P.T.F. - 1 Rp 1/2
(1/2-14 BSP) Parallel
(Side or Center)
1" ANSI/DIN Flange (Side or Center)
1 - 11-1/2" NPT Rp 1(1-11 BSP)
(Center Discharge)
1-1/2" ANSI/DIN Flange (Side or Center) 2" ANSI/DIN Flange (Side Discharge)
Materials of construction Acetal Polypropylene PVDF Polypropylene PVDF Polypropylene PVDF Polypropylene PVDF
Pump Weights lbs (kg) 6.28 (2.85)
6.67 (3.03)
6.78 (3.08)
7.24 (3.28)
5.21 (2.36)
5.44 (2.47)
19.35 (8.78) Poly Threaded
19.59 (8.89) Poly Center Port
19.87 (9.01) Poly Side Port
25.83 (11.72) PVDF Threaded
26.72 (12.12) PVDF Center Port
27.15 (12.32) PVDF Side Port
42.60 (19.32) Poly Side Port
63.94 (29.0) PVDF Side Port
42.30 (19.19) Poly Center Port
55.94 (25.37) PVDF Center Port
85.3 (38.7) Poly
110.9 (50.3) PVDF
Max Solids
in (mm)
3/32" (2.4) 1/8" (3.2) 1/4" (6.4) 1/4" (6.4)
Maximum Dry suction lift ft (m) 7.9 (2.4) (PTFE fitted) 19 (5.7) 14 (4.2) 14 (4.2)
Recommended Filter/Regulator Air Line Cat P29122-600 66073-1 P29221-610 66073-2 P29241-610 66084-1 P29351-600 66109
Price Please call for pricing. Please call for pricing. Please call for pricing. Please call for pricing

Metallic Pumps

1 inch metallic pump image
1 and a half inch metallic pump image
2 inch metallic pump image
1" Metallic Pump Image
1-1/2" Metallic Pump Image
2" Matallic Pump Image

Models 1/2" 1" 1-1/2" 2"
Max Flow
GPM (LPM)
12 (45.4) 52 (197) 123 (465) 172 (651)

Max Discharge Pressure
PSI(BAR)

100 (6.9) 120 (8.3) 120 (8.3) 120 (8.3)
Fluid Ports Inlet/Outlets (BSP) 3/8 - 18 NPTF-1 Rp 3/8 (3/8-19 BSP Parallel) (Side or Center) 1-11-1/2" NPT Rp1(1-11 BSP) (Side or Center) 1-1/2 - 11-1/2 NPTF Rp1-1/2(1-1/2 -11 BSP) (Side or Center) 1-1/2 ANSI/DIN (SS only/Center) 2" NPTF Rp2(2-11 BSP) (Side or Center) 2" ANSI Flange with 2" pipe tap (SS only/Center)
Materials of construction Aluminum, Stainless Steel Aluminum, Cast Iron, Stainless Steel, Hastelloy® Aluminum, Cast Iron, Stainless Steel, Hastelloy Aluminum, Cast Iron, Stainless Steel, Hastelloy
Pump Weights lbs (kg) 10.36 (4.7) AL/AL Motor
16.57 (7.52) SS/AL Motor
8.04 (3.65) AL/Poly Motor
14.25 (6.46) SS/Poly Motor
20.7 (9.4) Alum.
35.2 (16.0) CI
38.2 (17.3) SS
39.6 (18) Hastelloyadd 4.65 (2.11) for Alum. air motor, add 11.09 (5.03) for SS air motor
37.7 (17.1) Alum.
73.2 (33.2) CI
61.2 (27.8) SS
86.9 (39.4) Hastelloy
add 3.08 (1.40) for Alum. air motor, add 14.39 (6.53) for SS air motor
64 (29) Alum.
133 (60) CI
122 (55.3) SS Threaded
114 (51.7) SS Flange
122 (55.3) Hastelloy add 34 (15) for CI or SS air motor
Max Solids
in (mm)
3/32" (2.4) 1/8" (3.32) 1/4" (6.4) 1/4" (6.4)
Maximum Dry suction lift ft (m) 9.1 (2.8) (PTFE Fitted) 19 (5.7) (Elastomeric Fitted) 14 (4.2) (Elastomeric Fitted) 19 (5.7) (Elastomeric Fitted)
Recommended Filter/Regulator Air Line Cat P29122-600 66073-1 P29221-610 66073-2 P29241-610 66084-1 P29351-60066109
Price Please call for pricing. Please call for pricing. Please call for pricing. Please call for pricing.