NDP-P20 series (Maximum corrosion resistance)

Categories: NDP: P Series

Maximum Corrosion Resistance Pump!
Safe Design with Intrinsically Explosion-proof Specification. Highly corrosion-resistant polypropylene (PP-GF) is used for the center body. A diaphragm pump that can be used to transport chemicals and a variety of conveying liquids.
Fully self-suction type that can pump out fluid efficiently, with no pump-priming required.
The safety structure does not require explosion-proof measures, so it can be used anywhere. The NDP-P20 series has a nominal diameter of 3/4" (20 mm) and a maximum flow rate of approximately 110 L/min. The maximum size solid is 2 mm or less.
Main Applications
Preparation of Raw Materials (Various solvents)/Transfer of Flammable Liquids in Explosion-proof Areas/Transfer of Food Ingredients and Additives/Supply of Pipe Cleaning Solution/Collection of Waste Oil and Wastewater/Transfer of Alcohol, Disinfectants and Solvents

CONTACT

FEATURES

■ Highly Corrosion-resistant Polypropylene (PP-GF) is Used for the Center Body.
The product is resistant to corrosion and rust, making it suitable for transferring chemicals and a variety of conveying liquids.
■ Yamada’s Proprietary Design Air Switch Valve “C-Spool”
The air switch valve in the center section of the diaphragm pump is completely oil-free, so it does not require regular lubrication.
The operation assist using a C-spring suppresses stoppages during operation, and achieves stable operation.

The C-spring Prevents Stoppages during Operation Achieves stable operation.	Equipped with a Reset Button Downtime due to pump stoppages in the case of wear of the air switch valve is kept to a minimum.

Completely Oil-free Both the air switch valve and the pilot valve that activates the air switch valve at the stroke limit are designed to be oil-free. Does not require regular lubrication.	Simple Replacement No need to disassemble the pump when replacing it.

SPECIFICATION

Body Material		A: Aluminum (ADC12)	S: Stainless Steel (SCS14)	F:Cast Iron (PP-GF)	P:GF Polypropylene (PP-GF)
Diaphragm Material
C: Neoprene (CR)		NDP-P20BAC (854052)	NDP-P20BSC (854066)	NDP-P20BPC (854080)	NDP-P20BPC-FL (854101)
N: Buna N (NBR)		NDP-P20BAN (854053)	NDP-P20BSN (854067)	NDP-P20BPN (854081)	NDP-P20BPN-FL (854102)
E: EPDM		NDP-P20BAE (854054)	NDP-P20BSE (854068)	NDP-P20BPE (854082)	NDP-P20BPE-FL (854103)
V: Viton(R) (FKM)		NDP-P20BAV (854055)	NDP-P20BSV (854069)	NDP-P20BPV (854083)	NDP-P20BPV-FL (854104)
T: PTFE		NDP-P20BAT (854056)	NDP-P20BST (854070)	NDP-P20BPT (854084)	NDP-P20BPT-FL (854105)
H: Hytrel(R) (TPEE)		NDP-P20BAH (854057)	NDP-P20BSH (854071)	NDP-P20BPH (854085)	NDP-P20BPH-FL (854106)
S: Santoprene(R) (TPO)		NDP-P20BAS (854058)	NDP-P20BSS (854072)	NDP-P20BPS (854086)	NDP-P20BPS-FL (854107)
H/T: Hytrel(R) (TPEE)		NDP-P20BAH/T (854213)	NDP-P20BSH/T (854214)	NDP-P20BPH/T (854215)	NDP-P20BPH/T-FL (854216)
Wetted Parts Material
Ball Valve		NDP-P20B○H: NBR NDP-P20B○H/T: PTFE Others: Same as the diaphragm material
Valve Seat		SMS1025	SUS316	PP-GF	PP-GF
Valve Stopper		ADC12	SCS14	PP-GF	PP-GF
Center Disk		NDP-P20BAT: A5056 Others: SUS316	SUS316	PP-GF SCS13(Insert material)	PP-GF SCS13(Insert material)
Specifications
Nominal Diameter		3/4"(20 mm)
Material Connection	Suction Port	Rc 3/4			JIS flange 10K 20A equivalent
	Discharge Port
Air Connection	Supply Port	Rc 1/4
	Exhaust Port	Rc 3/4
Air Supply Pressure		0.2～0.7 MPa ※1
Maximum Discharge Pressure		0.7 MPa
Water Discharge/Cycle		Fluorine resin diaphragm: 240 mL 2 Other diaphragm: 350 mL 2
Maximum Flow Rate		Fluorine resin diaphragm: 100 L/min 3 Other diaphragm: 110 L/min 3
Maximum Air Consumption		Fluorine resin diaphragm: 1400 L/min (ANR) Other diaphragm: 1200 L/min (ANR)
Maximum Size Solid		Maximum 2 mm
Suction Head Lift		NDP-P20B○T: 1.5 m Others: 3 m
Net Weight		7.5 kg	12.5 kg	7.0 kg	7.0 kg

*1 The maximum supply air pressure for a type with a resin-made pump body will depend on the liquid temperature.
*2 The water discharge is provided as a rough approximation only. It will differ depending on the usage conditions, etc.
*3 Maximum flow rate is a value indicating the pump capacity. We recommend selecting a size that allows some leeway, taking into account the impact on the life span of the diaphragm.