PP series air-operated double diaphragm AODD -polypropylene plastic pump

Details of PP series air-operated double diaphragm AODD:

Item: polypropylene PP pump PP1-25
Max. suction lift: dry 4m/ wet 8m
(Suction height changes with the different combinations of ball, seat and the diaphragm materials.)
Max. size pumpable solids: 4mm
Suction and discharge size: 1″ /Npt /F
Air inlet size 1/2″
Max. flow rate: 157 L/min
Max. head : 84m
Max. air inlet pressure: 8.4bar
Max. air consumption 60scfm（1.7m³/min）

Item: polypropylene membrane pump PP15-40
Max. Suction Lift: dry 5m/ wet 8m
(Suction height changes with the different combinations of ball, seat and the diaphragm materials.
Max. size pumpable solids: 5mm
Suction and discharge size: 1 1/2″ NPT/ F
Air inlet size: 1/2in
Max. flow rate 358 L/min
Max. head: 84m
Max. air inlet pressure: 8.4bar
Max. air consumption: 125scfm（3.5m³/min）

Item: PP2-50
Max. Suction Lift: dry 5m / wet 8m
(Suction height changes with the different combinations of ball, seat and the diaphragm materials.)
Max. size pumpable solids: 6mm
Suction and discharge size:  2″ /Npt /F
Air inlet size: 1/2″
Max. flow rate: 587 L/min
Max. head: 84m
Max. air inlet pressure: 8.4bar
Max. air consumption: 175scfm（4.9m³/min）

Choosing materials:
Material of valve:Acetal, Poly, Aluminum, 304SST, 316SST, Hytrel, Santoprene, PVDF, PTEE, Buna N, Viton, Geolast.

Material of valve ball: Acetal, Poly, Aluminum, 304SST, 316SST, Hytrel, Santoprene, PTEE, Buna N, Viton, Geolast.

Material of diaphragm: PTFE, Hytrel, Santoprene, Neoprene, Buna N, Viton, Geolast.

Maximum fluid operating temperature is based on the following maximum diaphragm, ball, and seat temperature ratings：
Fluoroelastomer Viton················-40° F(-40℃)-350°  F(176.6℃)
PTFE, Teflon····························· 40°  F(4.4℃)-350°  F(176.6℃)
Santoprene····························· -20 F(-28.9℃)-220°  F(104.4℃)
TPE Hytrel······························· -20°  F(-28.9℃)-220°  F(104.4℃)
UHMWPE, Polyethylene····················· 0°  F(-17.7℃)-140°  F(60℃)
Leather········································ 0°  F(-17.7℃)-200°  F(93.3℃)
Neoprene·································· 0°  F(-17.7℃)-212°  F(100℃)
Buna-N····································· -40°  F(-40℃)-250°  F(121℃)
Polyurethane························· -40 ° F(-40℃)-200°  F(93.3℃)
Body cavity flow：
Acetal····································· 40°  F(4.4℃)-150°  F(65.5℃)
PP, Polypropylene)····················· 40°  F(4.4℃)-150°  F(65.5℃)
Kynar, PVDF····…………….·· 40°  F(4.4℃)-200°  F(93.3℃)