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PD40 Hose-Type Damper

PD40 Hose-Type Damper

Save time and costs

YM Series Hose-Type Dampers:

  • Reduce pulsations in pumps and processes to increase process uptime and performance.
    ● Reduce system vibration and eliminate pipe hammer, Thereby improving the pump’s operational performance.
    ● Series installation for easy maintenance, suitable for hose sizes of 25 millimeters (1 inch)  Bredel and APEX pumps up to 100 mm (4 inches)
    ● Within a pressure range of 2 bar (29 psi) to 16 bar (232 psi), up to 90% of pump outlet pulsations can be eliminated.
    ● Certified by Lloyd’s Register Quality Assurance (LRQA) in accordance with the requirements of Directive 2014/68/EU.

Structural materials

  PD40
Hose material Chlorosulfonated polyethylene (CSM), Ethylene–Propylene–Diene Monomer rubber (EPDM), Natural Rubber (NR), Nitrile Rubber (NBR)  
Housing assembly Carbon steel 
O-ring Nitrile Rubber (NBR) 
Flange material Galvanized steel, 316 stainless steel 
Insert Polypropylene (PP), Polyvinyl Chloride (PVC), Polyvinylidene Fluoride (PVDF), Stainless Steel 

Product code

Replace hose component Part Number
Hose type Materials Color code PD/40
Natural Rubber Hose (NR) Natural rubber Purple 28-P040020
Natural Rubber Hose (NR) Nitrile rubber Yellow 28-P040040
EPDM Rubber Hose Ethylene propylene diene monomer Rubber Red 28-P040075
Chlorosulfonated Polyethylene Hose (CSM) Chlorosulfonated polyethylene Blue 28-P040070

The hose type is determined by the internal material of the hose, and each hose type is identified by a unique color code.

For ordering codes and information on pulsation dampeners and inserts, please contact customer service.

Technical Specifications

  PD40
Maximum working pressure 16 bar (232.1 psi)
Storage temperature range -40°C to 70°C
Storage Temperature Range (Fahrenheit) -40°F to 158°F
Product temperature range -10°C to 80°C
Product Temperature Range (Fahrenheit) 14°F to 176°F
Assembly weight 34.4 kg  (75.8 lbs)
Flange dimensions 1-1/2 inch
Applicable pump models YM25, YM32, YM40

Dimensions (in millimeters, applicable to DIN flanges) Dimensions (inches, for 150# ANSI flanges)
A B C C n x N L M A B C C n x N L M
Damper model Pump model SS PVC PVDF PP DIN flange dimensions SS PVC PVDF PP ANSI flange dimensions
PD 40 YM 25 168 800 4 20 4 x 14 85 25 6.6 31.5 0.16 0.79 4 x 5/8 3 -1/8 1
PD 40 YM 32 168 800 4 20 4 x 18 100 32 6.6 31.5 0.16 0.79 4 x 5/8 3 -1/2 1 – 1/4
PD 40 YM 40 168 800 4 20 4 x 18 110 40 6.6 31.5 0.10 0.79 4 x 5/8 3 -7/8 1 – 1/2

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