福彩3d今天的推荐号

Double Diaphragm Series

ADVANTAGES to the Double Diaphragm Series:

  • High pressure, air-driven diaphragm pump, ideal for fluid transfer
  • Corrosion-resistant
  • Self-priming with a dry lift capability ranging from 10' to 18' and a maximum flow rate of 40 GPM
  • Self-cleaning
  • Portable
  • Diaphragms do have a pulsating flow and are best used with a Graymills surge suppressor/filter
  • The unique "slide-valve" design prevents stalling even when running at the lowest speeds
  • Pumps are designed for easy maintenance with a minimum number of parts. The air valve assembly is externally serviceable (no need to dismantle pump)
  • Eight models to provide progressively higher flow rates and head pressures
  • Can be combined with tanks to provide a complete, ready-to-install pumping system

Click HERE for our Build-A-System Brochure!


Specifications

Most pumps are available as pump/tank combinations.

Model

1/4”

1/2”

1”

pump body

polypropylene

polypropylene

福彩3d今天的推荐号polypropylene

or aluminum

diaphragms

teflon®

teflon®

or hytrel

teflon®

or hytrel

福彩3d今天的推荐号ball check valves

polypropylene

teflon®

or hytrel

teflon®

or hytrel

福彩3d今天的推荐号dry lift capability

10 feet

15 feet

18 feet

total developed head

150 feet

150 feet

150 feet

福彩3d今天的推荐号air consumption @ 70 psi

7 cfm

18 cfm

30 cfm

福彩3d今天的推荐号maximum flow

5 gpm

15 gpm

50 gpm

air inlet (npt-f)

1/4”

1/4”

1/2”

maximum inlet pressure

100 psi

100 psi

100 psi

maximum viscocity

500 cps

5,000 cps

10,000 cps

福彩3d今天的推荐号1 inlet / 1 outlet

x

x

x

AIR-OPERATED DOUBLE DIAPHRAGM TRANSFER PUMP MODEL DPTG-50-DRUM

  • Features 1-in/1-out 1/2" pump with Teflon® diaphragms and bottom suction manifold
  • Quick priming and immediate flow. Runs dry without damage
  • Handles fluid viscosities up to 5,000 CPS and solids up to 0.09 inches
  • Pump slides in and out of drums through bung adapter without the need to disconnect hoses
  • Pump is never immersed inside the drum

Dimensions And Order Information

DD line art

Double Diaphragm Series Dimensions

Model

A

B

C

1/4”

6-7/32”

6-1/2”

5-13/16”

1/2”

8-7/8”

9-5/32”

11-3/4”

1”

13-7/32”

13-3/8”

17”

Double Diaphragm Series Models

Pump

Diaphragms

Ball Checks

Inlet / Outlet

Configuration

1/4” Models

dptg-25

teflon®

polypropylene

1 in / 1 out

1/2” Models

dphg-50

hytrel

hytrel

1 in / 1 out

dptg-50

teflon®

teflon®

福彩3d今天的推荐号1 in / 1 out

dptg-50-drum

teflon®

teflon®

福彩3d今天的推荐号1 in / 1 out

1” Models – Aluminum

dahgr-100

hytrel

hytrel

1 in / 1 out

datgr-100

teflon®

teflon®

1 in / 1 out

1” Models – Polypropylene with ANSI Flange

dphgr-100

hytrel

hytrel

福彩3d今天的推荐号1 in / 1 out

dptgr-100

teflon®

teflon®

1 in / 1 out


Valve Kit Story

Our Valve Kit
Ours

Their Valve Kit
Theirs

Quick-Change Air Valve Service Kits Have Over 50% Fewer Parts than Competitors... and the Pump is Externally Serviceable

graymills diaphragm pumps feature air valve service kits that are 100% externally serviceable and contain a maximum of 10 parts. competitor service kits have 20 to 30 parts that need to be replaced and their pumps must be completely disassembled to service the air valve. look at these remarkable differences:

  • Extremely reliable—resists stalling
  • Fewer parts—repair kits have up to 50% fewer parts than traditional valve kits
  • Ease of repair—the air valve can be repaired externally.  The pump itself never has to be disassembled. Repairs are so easy they can take place where the pump is installed, which saves time, money and frustration.
  • Unique U-cup seals—last longer and are more reliable than o-ring seals
  • Less prone to icing—no small passages where ice can build
  • No lubrication required—pump performance will not be adversely affected by "dirty" or unconditioned air.

Click here to Request A Quote
or call us today at 1.773.248.6825 for more information about Graymills

no confusion no risk no worries
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