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  • 1 inches bolted plastic.JPG
  • E1.JPG

1" (25mm) Bolted Plastic Air Operated Double Diaphragm Pump

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Product Description

The patented non-stalling, lubrication-free air valve system of Versamatic’s 1" (25mm) bolted plastic air-operated double-diaphragm (AODD) pump provides excellent chemical resistance for pump longevity and reliability. The 1” is available in multiple porting configurations for ease of installation and application flexibility.

The rugged, leak-free construction of the 1"" bolted plastic diaphragm pump has a flow rate of up to 43 gpm (163 lpm). Additionally, this AODD pump features:

High chemical resistance
Simple, low-cost maintenance
Long-term reliability
Extended-life diaphragms
Multiple porting options

The 1" bolted plastic AODD pumps with plastic center sections consist of polypropylene and PVDF. Featuring moderate tensile and flex strength, polypropylene is a thermoplastic polymer that resists strong acids and alkali. PVDF is a durable fluoroplastic with excellent chemical resistance. High tensile strength and impact resistance make PVDF better suited for UV applications."

Model Number Guide

Versamatic Air Operated Double Diaphragm Pump Model Number Description 1.JPGVersamatic Air Operated Double Diaphragm Pump Model Number Description 2.JPG

E Elima-Matic
U Ultra-Matic
RE AirVantage
Pump Size
6 1/4"
8 3/8"
7 3/4"
1 1"
4 1-1/4" or 1-1/2"
2 2"
3 3"

Wetted Parts
C Cast Iron
S Stainless Steel
H Alloy C
P Polypropylene
K Kynar
G Groundable Acetal
B Aluminium (screen mount)
Non-Wetted Parts
A Aluminium
S Stainless Steel
P Polypropylene
G Groundable Acetal
Z PTFE-coated Aluminium
J Nickel-plated Aluminium
C Cast Iron
Q Epoxy-Coated Aluminium

Diaphragm Material
1 Neoprene
2 Nitrile (Nitrile)
3 FKM (Fluorocarbon)
6 Santoprene XL
7 Hytrel
9 Geolast
Y FDA Santoprene
Diaphragm Series
Tef-Matic (2-piece)
B Versa-Tuff
FUSION (one-piece integrated plate)
Valve Ball Material Valve
1 Neoprene
2 Nitrile
3 (FKM) Fluorocarbon
6 Santoprene XL
7 Hytrel
8 Polyurethane
9 Geolast
A Acetal
S Stainless Steel
Y FDA Santoprene
Seat/Valve Seat O-ring Material
1 Neoprene
(FKM) Fluorocarbon
Santoprene XL
9 Geolast
A Aluminium w/ PTFE O-Rings
S Stainless Steel w/ PTFE O-Rings
C Carbon Steel w/ PTFE O-Rings
H Alloy C w/ PTFE O-Rings
T PTFE Encapsulated Silicone O-Rings
Y FDA Santoprene
Construction Design
9 Bolted
0 Clamped

Design Level
Miscellaneous Options
BSP Tapered Thread
CP Center Port
ATEX ATEX Compliant
FP Food Processing
SP Sanitary Pump
HP High Pressure
OE Original Elima-Matic
Flap Valve
HD Horizontal Discharge
3A 3-A Certified
UL UL Listed
OB Oil Bottle

Dimension Drawing

 Versamatic 1 Inch Bolted Plastic Air Operated Double Diaphragm Pump Dimension Drawing.JPG

Technical Data

Versamatic 1 Inch Bolted Plastic Air Operated Double Diaphragm Pump Technical Data.JPG

Flow Rate0-43 gpm (162.8 lpm)
Port Size
Suction1" 150# ANSI/DIN 325 Flange
Discharge1" 150# ANSI/DIN 325 Flange
Air Inlet3/8" NPT
Air Exhaust1/2" NPT
Suction Lift
Dry 11'(3.4m)
Max Solid Size (Diameter)1/8" (3.1 mm)
Max Noise Level94 dB(A)
Shipping Weight
Polypropylene17 lbs (7.7 kg)
PVDF22 lbs (10 kg)

Performance Curve

Versamatic 1 Inch Bolted Plastic Air Operated Double Diaphragm Pump Performance Curve.JPG

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